diff --git a/radio/src/targets/horus/i2c_driver.cpp b/radio/src/targets/horus/i2c_driver.cpp deleted file mode 100644 index 39d189900..000000000 --- a/radio/src/targets/horus/i2c_driver.cpp +++ /dev/null @@ -1,2098 +0,0 @@ -/* - * Copyright (C) OpenTX - * - * Based on code named - * th9x - http://code.google.com/p/th9x - * er9x - http://code.google.com/p/er9x - * gruvin9x - http://code.google.com/p/gruvin9x - * - * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include "opentx.h" -#include "i2c_driver.h" - -/* I2C MSP Initialization - * This function configures the hardware resources used in this example - * @param hi2c: I2C handle pointer - * @retval None - */ -void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c) -{ - GPIO_InitTypeDef GPIO_InitStruct = {0}; - if (I2C_GPIO == GPIOA) - __HAL_RCC_GPIOA_CLK_ENABLE(); - else if (I2C_GPIO == GPIOB) - __HAL_RCC_GPIOB_CLK_ENABLE(); - else if (I2C_GPIO == GPIOC) - __HAL_RCC_GPIOC_CLK_ENABLE(); - else if (I2C_GPIO == GPIOH) - __HAL_RCC_GPIOH_CLK_ENABLE(); - else - TRACE("I2C ERROR: HAL_I2C_MspInit() I2C_GPIO misconfiguration"); - - GPIO_PinAFConfig(I2C_GPIO, I2C_SCL_GPIO_PinSource, I2C_GPIO_AF); - GPIO_PinAFConfig(I2C_GPIO, I2C_SDA_GPIO_PinSource, I2C_GPIO_AF); - - GPIO_InitStruct.GPIO_Pin = I2C_SCL_GPIO_PIN | I2C_SDA_GPIO_PIN; - GPIO_InitStruct.GPIO_Speed = GPIO_Speed_2MHz; - GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; - GPIO_InitStruct.GPIO_OType = GPIO_OType_OD; - GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; - GPIO_Init(I2C_GPIO, &GPIO_InitStruct); - - /* Peripheral clock enable */ - if (I2C == I2C1) - __HAL_RCC_I2C1_CLK_ENABLE(); - else if (I2C == I2C2) - __HAL_RCC_I2C2_CLK_ENABLE(); - else if (I2C == I2C3) - __HAL_RCC_I2C3_CLK_ENABLE(); - else - TRACE("I2C ERROR: HAL_I2C_MspInit() I2C misconfiguration"); -} - -/* De-initializes the GPIOx peripheral registers to their default reset values. - * @param GPIOx where x can be (A..K) to select the GPIO peripheral for STM32F429X device or - * x can be (A..I) to select the GPIO peripheral for STM32F40XX and STM32F427X devices. - * @param GPIO_Pin specifies the port bit to be written. - * This parameter can be one of GPIO_PIN_x where x can be (0..15). - * @retval None - */ -void HAL_GPIO_DeInit(GPIO_TypeDef *GPIOx, uint32_t GPIO_Pin) -{ - uint32_t position; - uint32_t ioposition = 0x00U; - uint32_t iocurrent = 0x00U; - uint32_t tmp = 0x00U; - - /* Check the parameters */ - assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); - - /* Configure the port pins */ - for(position = 0U; position < GPIO_NUMBER; position++) - { - /* Get the IO position */ - ioposition = 0x01U << position; - /* Get the current IO position */ - iocurrent = (GPIO_Pin) & ioposition; - - if(iocurrent == ioposition) - { - /*------------------------- EXTI Mode Configuration --------------------*/ - tmp = SYSCFG->EXTICR[position >> 2U]; - tmp &= (0x0FU << (4U * (position & 0x03U))); - if(tmp == ((uint32_t)(GPIO_GET_INDEX(GPIOx)) << (4U * (position & 0x03U)))) - { - /* Clear EXTI line configuration */ - EXTI->IMR &= ~((uint32_t)iocurrent); - EXTI->EMR &= ~((uint32_t)iocurrent); - - /* Clear Rising Falling edge configuration */ - EXTI->RTSR &= ~((uint32_t)iocurrent); - EXTI->FTSR &= ~((uint32_t)iocurrent); - - /* Configure the External Interrupt or event for the current IO */ - tmp = 0x0FU << (4U * (position & 0x03U)); - SYSCFG->EXTICR[position >> 2U] &= ~tmp; - } - - /*------------------------- GPIO Mode Configuration --------------------*/ - /* Configure IO Direction in Input Floating Mode */ - GPIOx->MODER &= ~(GPIO_MODER_MODER0 << (position * 2U)); - - /* Configure the default Alternate Function in current IO */ - GPIOx->AFR[position >> 3U] &= ~(0xFU << ((uint32_t)(position & 0x07U) * 4U)) ; - - /* Deactivate the Pull-up and Pull-down resistor for the current IO */ - GPIOx->PUPDR &= ~(GPIO_PUPDR_PUPDR0 << (position * 2U)); - - /* Configure the default value IO Output Type */ - GPIOx->OTYPER &= ~(GPIO_OTYPER_OT_0 << position) ; - - /* Configure the default value for IO Speed */ - GPIOx->OSPEEDR &= ~(GPIO_OSPEEDER_OSPEEDR0 << (position * 2U)); - } - } -} - -/* I2C MSP De-Initialization - * This function freeze the hardware resources used in this example - * @param hi2c: I2C handle pointer - * @retval None - */ -void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c) -{ - if(hi2c->Instance==I2C1) - { - __HAL_RCC_I2C1_CLK_DISABLE(); - } - else - { - if(hi2c->Instance==I2C2) - { - __HAL_RCC_I2C2_CLK_DISABLE(); - if(hi2c->Instance==I2C3) - __HAL_RCC_I2C3_CLK_DISABLE(); - else - TRACE("I2C ERROR: HAL_I2C_MspDeInit() I2C misconfiguration"); - } - } - - GPIO_InitTypeDef GPIO_InitStructure; - - /* Configure the default Alternate Function in current IO */ - GPIO_PinAFConfig(I2C_GPIO, I2C_SCL_GPIO_PinSource, 0); - GPIO_PinAFConfig(I2C_GPIO, I2C_SDA_GPIO_PinSource, 0); - - GPIO_InitStructure.GPIO_Pin = I2C_SCL_GPIO_PIN | I2C_SDA_GPIO_PIN; - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; /* Configure a low value for IO Speed */ - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; /* Configure IO Direction in Input Floating Mode */ - GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; /* Leave the configuration to Open Drain */ - GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; /* Deactivate the Pull-up and Pull-down resistor for the current IO */ - GPIO_Init(I2C_GPIO, &GPIO_InitStructure); -} - -/* Initializes the I2C according to the specified parameters - * in the HAL_I2C_InitTypeDef and initialize the associated handle. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c) -{ - uint32_t freqrange; - uint32_t pclk1; - - /* Check the I2C handle allocation */ - if (hi2c == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_CLOCK_SPEED(hi2c->Init.ClockSpeed)); - assert_param(IS_I2C_DUTY_CYCLE(hi2c->Init.DutyCycle)); - assert_param(IS_I2C_OWN_ADDRESS1(hi2c->Init.OwnAddress1)); - assert_param(IS_I2C_ADDRESSING_MODE(hi2c->Init.AddressingMode)); - assert_param(IS_I2C_DUAL_ADDRESS(hi2c->Init.DualAddressMode)); - assert_param(IS_I2C_OWN_ADDRESS2(hi2c->Init.OwnAddress2)); - assert_param(IS_I2C_GENERAL_CALL(hi2c->Init.GeneralCallMode)); - assert_param(IS_I2C_NO_STRETCH(hi2c->Init.NoStretchMode)); - - if (hi2c->State == HAL_I2C_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hi2c->Lock = HAL_UNLOCKED; - - /* Init the low level hardware : GPIO, CLOCK, NVIC */ - HAL_I2C_MspInit(hi2c); - } - - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /*Reset I2C*/ - hi2c->Instance->CR1 |= I2C_CR1_SWRST; - hi2c->Instance->CR1 &= ~I2C_CR1_SWRST; - - /* Get PCLK1 frequency */ - RCC_ClocksTypeDef rccClocks; - RCC_GetClocksFreq(&rccClocks); - pclk1 = rccClocks.PCLK1_Frequency; - - /* Check the minimum allowed PCLK1 frequency */ - if (I2C_MIN_PCLK_FREQ(pclk1, hi2c->Init.ClockSpeed) == 1U) - { - return HAL_ERROR; - } - - /* Calculate frequency range */ - freqrange = I2C_FREQRANGE(pclk1); - - /*---------------------------- I2Cx CR2 Configuration ----------------------*/ - /* Configure I2Cx: Frequency range */ - MODIFY_REG(hi2c->Instance->CR2, I2C_CR2_FREQ, freqrange); - - /*---------------------------- I2Cx TRISE Configuration --------------------*/ - /* Configure I2Cx: Rise Time */ - MODIFY_REG(hi2c->Instance->TRISE, I2C_TRISE_TRISE, I2C_RISE_TIME(freqrange, hi2c->Init.ClockSpeed)); - - /*---------------------------- I2Cx CCR Configuration ----------------------*/ - /* Configure I2Cx: Speed */ - MODIFY_REG(hi2c->Instance->CCR, (I2C_CCR_FS | I2C_CCR_DUTY | I2C_CCR_CCR), I2C_SPEED(pclk1, hi2c->Init.ClockSpeed, hi2c->Init.DutyCycle)); - - /*---------------------------- I2Cx CR1 Configuration ----------------------*/ - /* Configure I2Cx: Generalcall and NoStretch mode */ - MODIFY_REG(hi2c->Instance->CR1, (I2C_CR1_ENGC | I2C_CR1_NOSTRETCH), (hi2c->Init.GeneralCallMode | hi2c->Init.NoStretchMode)); - - /*---------------------------- I2Cx OAR1 Configuration ---------------------*/ - /* Configure I2Cx: Own Address1 and addressing mode */ - MODIFY_REG(hi2c->Instance->OAR1, (I2C_OAR1_ADDMODE | I2C_OAR1_ADD8_9 | I2C_OAR1_ADD1_7 | I2C_OAR1_ADD0), (hi2c->Init.AddressingMode | hi2c->Init.OwnAddress1)); - - /*---------------------------- I2Cx OAR2 Configuration ---------------------*/ - /* Configure I2Cx: Dual mode and Own Address2 */ - MODIFY_REG(hi2c->Instance->OAR2, (I2C_OAR2_ENDUAL | I2C_OAR2_ADD2), (hi2c->Init.DualAddressMode | hi2c->Init.OwnAddress2)); - - /* Enable the selected I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->Mode = HAL_I2C_MODE_NONE; - - return HAL_OK; -} - -/* DeInitialize the I2C peripheral. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c) -{ - /* Check the I2C handle allocation */ - if (hi2c == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the I2C Peripheral Clock */ - __HAL_I2C_DISABLE(hi2c); - - /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ - HAL_I2C_MspDeInit(hi2c); - - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - hi2c->State = HAL_I2C_STATE_RESET; - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Release Lock */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; -} - -/* Configures I2C Analog noise filter. - * @param hi2c pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2Cx peripheral. - * @param AnalogFilter new state of the Analog filter. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter) -{ - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /* Reset I2Cx ANOFF bit */ - hi2c->Instance->FLTR &= ~(I2C_FLTR_ANOFF); - - /* Disable the analog filter */ - hi2c->Instance->FLTR |= AnalogFilter; - - __HAL_I2C_ENABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/* Configures I2C Digital noise filter. - * @param hi2c pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2Cx peripheral. - * @param DigitalFilter Coefficient of digital noise filter between 0x00 and 0x0F. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter) -{ - uint16_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /* Get the old register value */ - tmpreg = hi2c->Instance->FLTR; - - /* Reset I2Cx DNF bit [3:0] */ - tmpreg &= ~(I2C_FLTR_DNF); - - /* Set I2Cx DNF coefficient */ - tmpreg |= DigitalFilter; - - /* Store the new register value */ - hi2c->Instance->FLTR = tmpreg; - - __HAL_I2C_ENABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/* This function handles I2C Communication Timeout. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param Flag specifies the I2C flag to check. - * @param Status The new Flag status (SET or RESET). - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout, uint32_t Tickstart) -{ - /* Wait until flag is set */ - while (I2C_GetFlagStatus(hi2c->Instance, Flag) == Status) - { - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((xTaskGetTickCount() - Tickstart) > Timeout) || (Timeout == 0U)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - return HAL_OK; -} - -/* This function handles I2C Communication Timeout for Master addressing phase. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param Flag specifies the I2C flag to check. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnMasterAddressFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, uint32_t Timeout, uint32_t Tickstart) -{ - while (I2C_GetFlagStatus(hi2c->Instance, Flag) == RESET) - { - if (I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_AF) == SET) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Clear AF Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((xTaskGetTickCount() - Tickstart) > Timeout) || (Timeout == 0U)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - return HAL_OK; -} - -/* hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_MasterRequestWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout, uint32_t Tickstart) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - uint32_t CurrentXferOptions = hi2c->XferOptions; - - /* Generate Start condition if first transfer */ - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_NO_OPTION_FRAME)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else if (hi2c->PreviousState == I2C_STATE_MASTER_BUSY_RX) - { - /* Generate ReStart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else - { - /* Do nothing */ - } - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) - { - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - } - else - { - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(DevAddress); - - /* Wait until ADD10 flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADD10, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_10BIT_ADDRESS(DevAddress); - } - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/* This function handles Acknowledge failed detection during an I2C Communication. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c) -{ - if ( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_AF) == SET) - { - /* Clear NACKF Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - return HAL_OK; -} - -/* This function handles I2C Communication Timeout for specific usage of TXE flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnTXEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - while ( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_TXE) == RESET) - { - /* Check if a NACK is detected */ - if (I2C_IsAcknowledgeFailed(hi2c) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((xTaskGetTickCount() - Tickstart) > Timeout) || (Timeout == 0U)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - return HAL_OK; -} - -/* This function handles I2C Communication Timeout for specific usage of BTF flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnBTFFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - while ( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_BTF) == RESET) - { - /* Check if a NACK is detected */ - if (I2C_IsAcknowledgeFailed(hi2c) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((xTaskGetTickCount() - Tickstart) > Timeout) || (Timeout == 0U)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - return HAL_OK; -} - -/* Transmits in master mode an amount of data in blocking mode. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = xTaskGetTickCount(); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Send Slave Address */ - if (I2C_MasterRequestWrite(hi2c, DevAddress, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - while (hi2c->XferSize > 0U) - { - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - hi2c->XferSize--; - - if (( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_BTF) == SET) && (hi2c->XferSize != 0U)) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - hi2c->XferSize--; - } - - /* Wait until BTF flag is set */ - if (I2C_WaitOnBTFFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/* Master sends target device address for read request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_MasterRequestRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout, uint32_t Tickstart) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - uint32_t CurrentXferOptions = hi2c->XferOptions; - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start condition if first transfer */ - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_NO_OPTION_FRAME)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else if (hi2c->PreviousState == I2C_STATE_MASTER_BUSY_TX) - { - /* Generate ReStart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else - { - /* Do nothing */ - } - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) - { - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_READ(DevAddress); - } - else - { - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(DevAddress); - - /* Wait until ADD10 flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADD10, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_10BIT_ADDRESS(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Restart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_READ(DevAddress); - } - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/* This function handles I2C Communication Timeout for specific usage of RXNE flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - - while ( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_RXNE) == RESET) - { - /* Check if a STOPF is detected */ - if ( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_STOPF) == SET) - { - /* Clear STOP Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (((xTaskGetTickCount() - Tickstart) > Timeout) || (Timeout == 0U)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - return HAL_OK; -} - -/* Receives in master mode an amount of data in blocking mode. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = xTaskGetTickCount(); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Send Slave Address */ - if (I2C_MasterRequestRead(hi2c, DevAddress, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - if (hi2c->XferSize == 0U) - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferSize == 1U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferSize == 2U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable Pos */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - - while (hi2c->XferSize > 0U) - { - if (hi2c->XferSize <= 3U) - { - /* One byte */ - if (hi2c->XferSize == 1U) - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - /* Two bytes */ - else if (hi2c->XferSize == 2U) - { - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - /* 3 Last bytes */ - else - { - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - else - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - if ( I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_BTF) == SET) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - } - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/* Slave Tx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_SlaveTxCpltCallback could be implemented in the user file - */ -} - -/* Slave Rx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_SlaveRxCpltCallback could be implemented in the user file - */ -} - -/* I2C error callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_ErrorCallback could be implemented in the user file - */ -} - -/* Memory Tx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MemTxCpltCallback could be implemented in the user file - */ -} - -/* Memory Rx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MemRxCpltCallback could be implemented in the user file - */ -} - -/* Master Rx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MasterRxCpltCallback could be implemented in the user file - */ -} - -/* DMA I2C process complete callback. - * @param hdma DMA handle - * @retval None - */ -static void I2C_DMAXferCplt(DMA_HandleTypeDef *hdma) -{ - I2C_HandleTypeDef *hi2c = (I2C_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; /* Derogation MISRAC2012-Rule-11.5 */ - - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - uint32_t CurrentXferOptions = hi2c->XferOptions; - - /* Disable EVT and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Clear Complete callback */ - if (hi2c->hdmatx != NULL) - { - hi2c->hdmatx->XferCpltCallback = NULL; - } - if (hi2c->hdmarx != NULL) - { - hi2c->hdmarx->XferCpltCallback = NULL; - } - - if ((((uint32_t)CurrentState & (uint32_t)HAL_I2C_STATE_BUSY_TX) == (uint32_t)HAL_I2C_STATE_BUSY_TX) || ((((uint32_t)CurrentState & (uint32_t)HAL_I2C_STATE_BUSY_RX) == (uint32_t)HAL_I2C_STATE_BUSY_RX) && (CurrentMode == HAL_I2C_MODE_SLAVE))) - { - /* Disable DMA Request */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - hi2c->XferCount = 0U; - - if (CurrentState == HAL_I2C_STATE_BUSY_TX_LISTEN) - { - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_TX; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveTxCpltCallback(hi2c); -#else - HAL_I2C_SlaveTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else if (CurrentState == HAL_I2C_STATE_BUSY_RX_LISTEN) - { - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_RX; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveRxCpltCallback(hi2c); -#else - HAL_I2C_SlaveRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - /* Do nothing */ - } - - /* Enable EVT and ERR interrupt to treat end of transfer in IRQ handler */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - } - /* Check current Mode, in case of treatment DMA handler have been preempted by a prior interrupt */ - else if (hi2c->Mode != HAL_I2C_MODE_NONE) - { - if (hi2c->XferCount == (uint16_t)1) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - /* Disable EVT and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Prepare next transfer or stop current transfer */ - if ((CurrentXferOptions == I2C_NO_OPTION_FRAME) || (CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_OTHER_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME)) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - - /* Disable Last DMA */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - - /* Disable DMA Request */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - hi2c->XferCount = 0U; - - /* Check if Errors has been detected during transfer */ - if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE) - { -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->State = HAL_I2C_STATE_READY; - - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->PreviousState = I2C_STATE_NONE; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemRxCpltCallback(hi2c); -#else - HAL_I2C_MemRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->PreviousState = I2C_STATE_MASTER_BUSY_RX; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterRxCpltCallback(hi2c); -#else - HAL_I2C_MasterRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - } - else - { - /* Do nothing */ - } -} - -/* Return the DMA error code - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @retval DMA Error Code - */ -uint32_t HAL_DMA_GetError(DMA_HandleTypeDef *hdma) -{ - return hdma->ErrorCode; -} - -/* DMA I2C communication error callback. - * @param hdma DMA handle - * @retval None - */ -static void I2C_DMAError(DMA_HandleTypeDef *hdma) -{ - I2C_HandleTypeDef *hi2c = (I2C_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; /* Derogation MISRAC2012-Rule-11.5 */ - - /* Clear Complete callback */ - if (hi2c->hdmatx != NULL) - { - hi2c->hdmatx->XferCpltCallback = NULL; - } - if (hi2c->hdmarx != NULL) - { - hi2c->hdmarx->XferCpltCallback = NULL; - } - - /* Ignore DMA FIFO error */ - if (HAL_DMA_GetError(hdma) != HAL_DMA_ERROR_FE) - { - /* Disable Acknowledge */ - hi2c->Instance->CR1 &= ~I2C_CR1_ACK; - - hi2c->XferCount = 0U; - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } -} - -/* Sets the DMA Transfer parameter. - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @param SrcAddress The source memory Buffer address - * @param DstAddress The destination memory Buffer address - * @param DataLength The length of data to be transferred from source to destination - * @retval HAL status - */ -static void DMA_SetConfig(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) -{ - /* Clear DBM bit */ - hdma->Instance->CR &= (uint32_t)(~DMA_SxCR_DBM); - - /* Configure DMA Stream data length */ - hdma->Instance->NDTR = DataLength; - - /* Memory to Peripheral */ - if((hdma->Init.DMA_DIR) == DMA_MEMORY_TO_PERIPH) - { - /* Configure DMA Stream destination address */ - hdma->Instance->PAR = DstAddress; - - /* Configure DMA Stream source address */ - hdma->Instance->M0AR = SrcAddress; - } - /* Peripheral to Memory */ - else - { - /* Configure DMA Stream source address */ - hdma->Instance->PAR = SrcAddress; - - /* Configure DMA Stream destination address */ - hdma->Instance->M0AR = DstAddress; - } -} - -/* Start the DMA Transfer with interrupt enabled. - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @param SrcAddress The source memory Buffer address - * @param DstAddress The destination memory Buffer address - * @param DataLength The length of data to be transferred from source to destination - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Start_IT(DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* calculate DMA base and stream number */ - DMA_Base_Registers *regs = (DMA_Base_Registers *)hdma->StreamBaseAddress; - - /* Check the parameters */ - assert_param(IS_DMA_BUFFER_SIZE(DataLength)); - - /* Process locked */ - __HAL_LOCK(hdma); - - if(HAL_DMA_STATE_READY == hdma->State) - { - /* Change DMA peripheral state */ - hdma->State = HAL_DMA_STATE_BUSY; - - /* Initialize the error code */ - hdma->ErrorCode = HAL_DMA_ERROR_NONE; - - /* Configure the source, destination address and the data length */ - DMA_SetConfig(hdma, SrcAddress, DstAddress, DataLength); - - /* Clear all interrupt flags at correct offset within the register */ - regs->IFCR = 0x3FU << hdma->StreamIndex; - - /* Enable Common interrupts*/ - hdma->Instance->CR |= DMA_IT_TC | DMA_IT_TE | DMA_IT_DME; - - if(hdma->XferHalfCpltCallback != NULL) - { - hdma->Instance->CR |= DMA_IT_HT; - } - - /* Enable the Peripheral */ - __HAL_DMA_ENABLE(hdma); - } - else - { - /* Process unlocked */ - __HAL_UNLOCK(hdma); - - /* Return error status */ - status = HAL_BUSY; - } - - return status; -} - -/* Master sends target device address followed by internal memory address for read request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout, uint32_t Tickstart) -{ - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* If Memory address size is 8Bit */ - if (MemAddSize == I2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - /* If Memory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_MSB(MemAddress); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Send LSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Generate Restart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_READ(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/* Aborts the DMA Transfer in Interrupt mode. - * @param hdma pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA Stream. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_DMA_Abort_IT(DMA_HandleTypeDef *hdma) -{ - if(hdma->State != HAL_DMA_STATE_BUSY) - { - hdma->ErrorCode = HAL_DMA_ERROR_NO_XFER; - return HAL_ERROR; - } - else - { - /* Set Abort State */ - hdma->State = HAL_DMA_STATE_ABORT; - - /* Disable the stream */ - __HAL_DMA_DISABLE(hdma); - } - - return HAL_OK; -} - -/* Master sends target device address followed by internal memory address for write request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout, uint32_t Tickstart) -{ - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* If Memory address size is 8Bit */ - if (MemAddSize == I2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - /* If Memory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_MSB(MemAddress); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Send LSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - - return HAL_OK; -} - -/* Write an amount of data in non-blocking mode with DMA to a specific memory address - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - HAL_StatusTypeDef dmaxferstatus; - - /* Init tickstart for timeout management*/ - uint32_t tickstart = xTaskGetTickCount(); - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - while (I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmatx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmatx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmatx->XferHalfCpltCallback = NULL; - hi2c->hdmatx->XferM1CpltCallback = NULL; - hi2c->hdmatx->XferM1HalfCpltCallback = NULL; - hi2c->hdmatx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->DR, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG, tickstart) != HAL_OK) - { - /* Abort the ongoing DMA */ - dmaxferstatus = HAL_DMA_Abort_IT(hi2c->hdmatx); - - /* Prevent unused argument(s) compilation and MISRA warning */ - UNUSED(dmaxferstatus); - - /* Set the unused I2C DMA transfer complete callback to NULL */ - hi2c->hdmatx->XferCpltCallback = NULL; - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->XferSize = 0U; - hi2c->XferCount = 0U; - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_ERR); - - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - return HAL_OK; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - return HAL_BUSY; - } -} - -/* Reads an amount of data in non-blocking mode with DMA from a specific memory address. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be read - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = xTaskGetTickCount(); - __IO uint32_t count = 0U; - HAL_StatusTypeDef dmaxferstatus; - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - while (I2C_GetFlagStatus(hi2c->Instance, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmarx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmarx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmarx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmarx->XferHalfCpltCallback = NULL; - hi2c->hdmarx->XferM1CpltCallback = NULL; - hi2c->hdmarx->XferM1HalfCpltCallback = NULL; - hi2c->hdmarx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG, tickstart) != HAL_OK) - { - /* Abort the ongoing DMA */ - dmaxferstatus = HAL_DMA_Abort_IT(hi2c->hdmarx); - - /* Prevent unused argument(s) compilation and MISRA warning */ - UNUSED(dmaxferstatus); - - /* Set the unused I2C DMA transfer complete callback to NULL */ - hi2c->hdmarx->XferCpltCallback = NULL; - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->XferSize = 0U; - hi2c->XferCount = 0U; - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - return HAL_ERROR; - } - - if (hi2c->XferSize == 1U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - else - { - /* Enable Last DMA bit */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_ERR); - - /* Enable DMA Request */ - hi2c->Instance->CR2 |= I2C_CR2_DMAEN; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} diff --git a/radio/src/targets/horus/i2c_driver.h b/radio/src/targets/horus/i2c_driver.h deleted file mode 100644 index 12d499442..000000000 --- a/radio/src/targets/horus/i2c_driver.h +++ /dev/null @@ -1,473 +0,0 @@ -/* - * Copyright (C) OpenTX - * - * Based on code named - * th9x - http://code.google.com/p/th9x - * er9x - http://code.google.com/p/er9x - * gruvin9x - http://code.google.com/p/gruvin9x - * - * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - - -#pragma once - -#include - -#define __IO volatile /*!< Defines 'read / write' permissions */ - -#ifndef __weak - #define __weak __attribute__((weak)) -#endif /* __weak */ - -#define GPIO_NUMBER 16U - -#define GPIO_GET_INDEX(__GPIOx__) (uint8_t)(((__GPIOx__) == (GPIOA))? 0U :\ - ((__GPIOx__) == (GPIOB))? 1U :\ - ((__GPIOx__) == (GPIOC))? 2U :\ - ((__GPIOx__) == (GPIOD))? 3U :\ - ((__GPIOx__) == (GPIOE))? 4U :\ - ((__GPIOx__) == (GPIOF))? 5U :\ - ((__GPIOx__) == (GPIOG))? 6U :\ - ((__GPIOx__) == (GPIOH))? 7U :\ - ((__GPIOx__) == (GPIOI))? 8U :\ - ((__GPIOx__) == (GPIOJ))? 9U : 10U) - -#define HAL_MAX_DELAY 0xFFFFFFFFU - -/* AHB1 Peripheral Clock Enable Disable - * @brief Enable or disable the AHB1 peripheral clock. - * @note After reset, the peripheral clock (used for registers read/write access) - * is disabled and the application software has to enable this clock before - * using it. - */ -#define __HAL_RCC_GPIOA_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOAEN);\ - UNUSED(tmpreg); \ - } while(0U) -#define __HAL_RCC_GPIOB_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOBEN);\ - UNUSED(tmpreg); \ - } while(0U) -#define __HAL_RCC_GPIOC_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN);\ - UNUSED(tmpreg); \ - } while(0U) -#define __HAL_RCC_GPIOH_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOHEN);\ - UNUSED(tmpreg); \ - } while(0U) - -#define __HAL_RCC_GPIOA_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOAEN)) -#define __HAL_RCC_GPIOB_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOBEN)) -#define __HAL_RCC_GPIOC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOCEN)) -#define __HAL_RCC_GPIOH_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_GPIOHEN)) - -/* APB1 Peripheral Clock Enable Disable - * @brief Enable or disable the Low Speed APB (APB1) peripheral clock. - * @note After reset, the peripheral clock (used for registers read/write access) - * is disabled and the application software has to enable this clock before - * using it. - */ -#define __HAL_RCC_I2C1_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C1EN);\ - UNUSED(tmpreg); \ - } while(0U) -#define __HAL_RCC_I2C2_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C2EN);\ - UNUSED(tmpreg); \ - } while(0U) -#define __HAL_RCC_I2C3_CLK_ENABLE() do { \ - __IO uint32_t tmpreg = 0x00U; \ - SET_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C3EN);\ - /* Delay after an RCC peripheral clock enabling */ \ - tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_I2C3EN);\ - UNUSED(tmpreg); \ - } while(0U) -#define __HAL_RCC_I2C1_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN)) -#define __HAL_RCC_I2C2_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN)) -#define __HAL_RCC_I2C3_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C3EN)) - -#define __HAL_LOCK(__HANDLE__) \ - do{ \ - if((__HANDLE__)->Lock == HAL_LOCKED) \ - { \ - return HAL_BUSY; \ - } \ - else \ - { \ - (__HANDLE__)->Lock = HAL_LOCKED; \ - } \ - }while (0U) - -#define __HAL_UNLOCK(__HANDLE__) \ - do{ \ - (__HANDLE__)->Lock = HAL_UNLOCKED; \ - }while (0U) - - -/* Enable the specified I2C peripheral. - * @param __HANDLE__ specifies the I2C Handle. - * @retval None - */ -#define __HAL_I2C_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE) - -/* Disable the specified I2C peripheral. - * @param __HANDLE__ specifies the I2C Handle. - * @retval None - */ -#define __HAL_I2C_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE) - -// I2C Private Constants -#define I2C_FLAG_MASK 0x0000FFFFU -#define I2C_MIN_PCLK_FREQ_STANDARD 2000000U /*!< 2 MHz */ -#define I2C_MIN_PCLK_FREQ_FAST 4000000U /*!< 4 MHz */ - -#define I2C_TIMEOUT_FLAG 35U /*!< Timeout 35 ms */ -#define I2C_TIMEOUT_BUSY_FLAG 25U /*!< Timeout 25 ms */ -#define I2C_TIMEOUT_STOP_FLAG 5U /*!< Timeout 5 ms */ -#define I2C_NO_OPTION_FRAME 0xFFFF0000U /*!< XferOptions default value */ - -// I2C Private Macros -#define I2C_MIN_PCLK_FREQ(__PCLK__, __SPEED__) (((__SPEED__) <= 100000U) ? ((__PCLK__) < I2C_MIN_PCLK_FREQ_STANDARD) : ((__PCLK__) < I2C_MIN_PCLK_FREQ_FAST)) -#define I2C_CCR_CALCULATION(__PCLK__, __SPEED__, __COEFF__) (((((__PCLK__) - 1U)/((__SPEED__) * (__COEFF__))) + 1U) & I2C_CCR_CCR) -#define I2C_FREQRANGE(__PCLK__) ((__PCLK__)/1000000U) -#define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= 100000U) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U)) -#define I2C_SPEED_STANDARD(__PCLK__, __SPEED__) ((I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 2U) < 4U)? 4U:I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 2U)) -#define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 3U) : (I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 25U) | I2C_DUTYCYCLE_16_9)) -#define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__SPEED__) <= 100000U)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \ - ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0U)? 1U : \ - ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS)) -#define I2C_7BIT_ADD_WRITE(__ADDRESS__) ((uint8_t)((__ADDRESS__) & (uint8_t)(~I2C_OAR1_ADD0))) -#define I2C_7BIT_ADD_READ(__ADDRESS__) ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0)) - -#define I2C_10BIT_ADDRESS(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF))) -#define I2C_10BIT_HEADER_WRITE(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)0x00F0))) -#define I2C_10BIT_HEADER_READ(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)(0x00F1)))) - -#define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0xFF00)) >> 8))) -#define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF))) - -// I2C duty cycle in fast mode -#define I2C_DUTYCYCLE_2 0x00000000U -#define I2C_DUTYCYCLE_16_9 I2C_CCR_DUTY - -// I2C addressing mode -#define I2C_ADDRESSINGMODE_7BIT 0x00004000U -#define I2C_ADDRESSINGMODE_10BIT (I2C_OAR1_ADDMODE | 0x00004000U) - -// I2C dual addressing mode -#define I2C_DUALADDRESS_DISABLE 0x00000000U -#define I2C_DUALADDRESS_ENABLE I2C_OAR2_ENDUAL - -// I2C general call addressing mode -#define I2C_GENERALCALL_DISABLE 0x00000000U -#define I2C_GENERALCALL_ENABLE I2C_CR1_ENGC - -// I2C nostretch mode -#define I2C_NOSTRETCH_DISABLE 0x00000000U -#define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH - -// I2C Error Code definition -#define HAL_I2C_ERROR_NONE 0x00000000U /*!< No error */ -#define HAL_I2C_ERROR_BERR 0x00000001U /*!< BERR error */ -#define HAL_I2C_ERROR_ARLO 0x00000002U /*!< ARLO error */ -#define HAL_I2C_ERROR_AF 0x00000004U /*!< AF error */ -#define HAL_I2C_ERROR_OVR 0x00000008U /*!< OVR error */ -#define HAL_I2C_ERROR_DMA 0x00000010U /*!< DMA transfer error */ -#define HAL_I2C_ERROR_TIMEOUT 0x00000020U /*!< Timeout Error */ -#define HAL_I2C_ERROR_SIZE 0x00000040U /*!< Size Management error */ -#define HAL_I2C_ERROR_DMA_PARAM 0x00000080U /*!< DMA Parameter Error */ -#define HAL_I2C_WRONG_START 0x00000200U /*!< Wrong start Error */ - -// I2C XferOptions definition -#define I2C_FIRST_FRAME 0x00000001U -#define I2C_FIRST_AND_NEXT_FRAME 0x00000002U -#define I2C_NEXT_FRAME 0x00000004U -#define I2C_FIRST_AND_LAST_FRAME 0x00000008U -#define I2C_LAST_FRAME_NO_STOP 0x00000010U -#define I2C_LAST_FRAME 0x00000020U - -// List of XferOptions -#define I2C_OTHER_FRAME (0x00AA0000U) -#define I2C_OTHER_AND_LAST_FRAME (0xAA000000U) - -// I2C states -#define I2C_STATE_MSK ((uint32_t)((uint32_t)((uint32_t)HAL_I2C_STATE_BUSY_TX | (uint32_t)HAL_I2C_STATE_BUSY_RX) & (uint32_t)(~((uint32_t)HAL_I2C_STATE_READY)))) /*!< Mask State define, keep only RX and TX bits */ -#define I2C_STATE_NONE ((uint32_t)(HAL_I2C_MODE_NONE)) /*!< Default Value */ -#define I2C_STATE_MASTER_BUSY_TX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_TX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_MASTER)) /*!< Master Busy TX, combinaison of State LSB and Mode enum */ -#define I2C_STATE_MASTER_BUSY_RX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_RX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_MASTER)) /*!< Master Busy RX, combinaison of State LSB and Mode enum */ -#define I2C_STATE_SLAVE_BUSY_TX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_TX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_SLAVE)) /*!< Slave Busy TX, combinaison of State LSB and Mode enum */ -#define I2C_STATE_SLAVE_BUSY_RX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_RX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_SLAVE)) /*!< Slave Busy RX, combinaison of State LSB and Mode enum */ - -// I2C Analog Filter -#define I2C_ANALOGFILTER_ENABLE 0x00000000U -#define I2C_ANALOGFILTER_DISABLE I2C_FLTR_ANOFF - -// I2C Memory Address Size -#define I2C_MEMADD_SIZE_8BIT 0x00000001U -#define I2C_MEMADD_SIZE_16BIT 0x00000010U - -// DMA Error Code -#define HAL_DMA_ERROR_NONE 0x00000000U /*!< No error */ -#define HAL_DMA_ERROR_TE 0x00000001U /*!< Transfer error */ -#define HAL_DMA_ERROR_FE 0x00000002U /*!< FIFO error */ -#define HAL_DMA_ERROR_DME 0x00000004U /*!< Direct Mode error */ -#define HAL_DMA_ERROR_TIMEOUT 0x00000020U /*!< Timeout error */ -#define HAL_DMA_ERROR_PARAM 0x00000040U /*!< Parameter error */ -#define HAL_DMA_ERROR_NO_XFER 0x00000080U /*!< Abort requested with no Xfer ongoing */ -#define HAL_DMA_ERROR_NOT_SUPPORTED 0x00000100U /*!< Not supported mode */ - -/* Clears the I2C ADDR pending flag. - * @param __HANDLE__ specifies the I2C Handle. - * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. - * @retval None - */ -#define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \ - do{ \ - __IO uint32_t tmpreg = 0x00U; \ - tmpreg = (__HANDLE__)->Instance->SR1; \ - tmpreg = (__HANDLE__)->Instance->SR2; \ - UNUSED(tmpreg); \ - } while(0) - -/* Clears the I2C pending flags which are cleared by writing 0 in a specific bit. - * @param __HANDLE__ specifies the I2C Handle. - * @param __FLAG__ specifies the flag to clear. - * This parameter can be any combination of the following values: - * @arg I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) - * @arg I2C_FLAG_AF: Acknowledge failure flag - * @arg I2C_FLAG_ARLO: Arbitration lost flag (Master mode) - * @arg I2C_FLAG_BERR: Bus error flag - * @retval None - */ -#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = (uint16_t)(~((__FLAG__) & I2C_FLAG_MASK))) - -/* Enable or disable the specified I2C interrupts. - * @param __HANDLE__ specifies the I2C Handle. - * @param __INTERRUPT__ specifies the interrupt source to enable or disable. - * This parameter can be one of the following values: - * @arg I2C_IT_BUF: Buffer interrupt enable - * @arg I2C_IT_EVT: Event interrupt enable - * @arg I2C_IT_ERR: Error interrupt enable - * @retval None - */ -#define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)) -#define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__)) - -// DMA Data transfer direction -#define DMA_PERIPH_TO_MEMORY 0x00000000U /*!< Peripheral to memory direction */ -#define DMA_MEMORY_TO_PERIPH ((uint32_t)DMA_SxCR_DIR_0) /*!< Memory to peripheral direction */ -#define DMA_MEMORY_TO_MEMORY ((uint32_t)DMA_SxCR_DIR_1) /*!< Memory to memory direction */ - -/* Enable the specified DMA Stream. - * @param __HANDLE__ DMA handle - * @retval None - */ -#define __HAL_DMA_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= DMA_SxCR_EN) - -/* Disable the specified DMA Stream. - * @param __HANDLE__ DMA handle - * @retval None - */ -#define __HAL_DMA_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR &= ~DMA_SxCR_EN) - -// HAL Status structures definition -typedef enum -{ - HAL_OK = 0x00U, - HAL_ERROR = 0x01U, - HAL_BUSY = 0x02U, - HAL_TIMEOUT = 0x03U -} HAL_StatusTypeDef; - -// HAL lock structures definition -typedef enum -{ - HAL_UNLOCKED = 0x00U, - HAL_LOCKED = 0x01U -} HAL_LockTypeDef; - -/* HAL State structure definition - * HAL I2C State value coding follow below described bitmap : - * b7-b6 Error information - * 00 : No Error - * 01 : Abort (Abort user request on going) - * 10 : Timeout - * 11 : Error - * b5 Peripheral initialization status - * 0 : Reset (Peripheral not initialized) - * 1 : Init done (Peripheral initialized and ready to use. HAL I2C Init function called) - * b4 (not used) - * x : Should be set to 0 - * b3 - * 0 : Ready or Busy (No Listen mode ongoing) - * 1 : Listen (Peripheral in Address Listen Mode) - * b2 Intrinsic process state - * 0 : Ready - * 1 : Busy (Peripheral busy with some configuration or internal operations) - * b1 Rx state - * 0 : Ready (no Rx operation ongoing) - * 1 : Busy (Rx operation ongoing) - * b0 Tx state - * 0 : Ready (no Tx operation ongoing) - * 1 : Busy (Tx operation ongoing) - */ -typedef enum -{ - HAL_I2C_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */ - HAL_I2C_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use */ - HAL_I2C_STATE_BUSY = 0x24U, /*!< An internal process is ongoing */ - HAL_I2C_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing */ - HAL_I2C_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ - HAL_I2C_STATE_LISTEN = 0x28U, /*!< Address Listen Mode is ongoing */ - HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U, /*!< Address Listen Mode and Data Transmission - process is ongoing */ - HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU, /*!< Address Listen Mode and Data Reception - process is ongoing */ - HAL_I2C_STATE_ABORT = 0x60U, /*!< Abort user request ongoing */ - HAL_I2C_STATE_TIMEOUT = 0xA0U, /*!< Timeout state */ - HAL_I2C_STATE_ERROR = 0xE0U /*!< Error */ -} HAL_I2C_StateTypeDef; - -/* HAL Mode structure definition - * HAL I2C Mode value coding follow below described bitmap : - * b7 (not used) - * x : Should be set to 0 - * b6 - * 0 : None - * 1 : Memory (HAL I2C communication is in Memory Mode) - * b5 - * 0 : None - * 1 : Slave (HAL I2C communication is in Slave Mode) - * b4 - * 0 : None - * 1 : Master (HAL I2C communication is in Master Mode) - * b3-b2-b1-b0 (not used) - * xxxx : Should be set to 0000 - */ -typedef enum -{ - HAL_I2C_MODE_NONE = 0x00U, /*!< No I2C communication on going */ - HAL_I2C_MODE_MASTER = 0x10U, /*!< I2C communication is in Master Mode */ - HAL_I2C_MODE_SLAVE = 0x20U, /*!< I2C communication is in Slave Mode */ - HAL_I2C_MODE_MEM = 0x40U /*!< I2C communication is in Memory Mode */ -} HAL_I2C_ModeTypeDef; - -// HAL DMA State structures definition -typedef enum -{ - HAL_DMA_STATE_RESET = 0x00U, /*!< DMA not yet initialized or disabled */ - HAL_DMA_STATE_READY = 0x01U, /*!< DMA initialized and ready for use */ - HAL_DMA_STATE_BUSY = 0x02U, /*!< DMA process is ongoing */ - HAL_DMA_STATE_TIMEOUT = 0x03U, /*!< DMA timeout state */ - HAL_DMA_STATE_ERROR = 0x04U, /*!< DMA error state */ - HAL_DMA_STATE_ABORT = 0x05U, /*!< DMA Abort state */ -}HAL_DMA_StateTypeDef; - -// DMA handle Structure definition -typedef struct __DMA_HandleTypeDef -{ - DMA_Stream_TypeDef *Instance; /*!< Register base address */ - DMA_InitTypeDef Init; /*!< DMA communication parameters */ - HAL_LockTypeDef Lock; /*!< DMA locking object */ - __IO HAL_DMA_StateTypeDef State; /*!< DMA transfer state */ - void *Parent; /*!< Parent object state */ - void (* XferCpltCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer complete callback */ - void (* XferHalfCpltCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA Half transfer complete callback */ - void (* XferM1CpltCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer complete Memory1 callback */ - void (* XferM1HalfCpltCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer Half complete Memory1 callback */ - void (* XferErrorCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer error callback */ - void (* XferAbortCallback)( struct __DMA_HandleTypeDef * hdma); /*!< DMA transfer Abort callback */ - __IO uint32_t ErrorCode; /*!< DMA Error code */ - uint32_t StreamBaseAddress; /*!< DMA Stream Base Address */ - uint32_t StreamIndex; /*!< DMA Stream Index */ -}DMA_HandleTypeDef; - - -// I2C configuration structure definition -typedef struct -{ - uint32_t ClockSpeed; /*!< Specifies the clock frequency. - This parameter must be set to a value lower than 400kHz */ - uint32_t DutyCycle; /*!< Specifies the I2C fast mode duty cycle. - This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */ - uint32_t OwnAddress1; /*!< Specifies the first device own address. - This parameter can be a 7-bit or 10-bit address. */ - uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected. - This parameter can be a value of @ref I2C_addressing_mode */ - uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected. - This parameter can be a value of @ref I2C_dual_addressing_mode */ - uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected - This parameter can be a 7-bit address. */ - uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected. - This parameter can be a value of @ref I2C_general_call_addressing_mode */ - uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected. - This parameter can be a value of @ref I2C_nostretch_mode */ -} HAL_I2C_InitTypeDef; // WARNING: renamed from I2C_InitTypeDef due to conflict - -// I2C handle structure definition -typedef struct -{ - I2C_TypeDef *Instance; /*!< I2C registers base address */ - HAL_I2C_InitTypeDef Init; /*!< I2C communication parameters (MOD!) */ - uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */ - uint16_t XferSize; /*!< I2C transfer size */ - __IO uint16_t XferCount; /*!< I2C transfer counter */ - __IO uint32_t XferOptions; /*!< I2C transfer options */ - __IO uint32_t PreviousState; /*!< I2C communication Previous state and mode - context for internal usage */ - DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */ - DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */ - HAL_LockTypeDef Lock; /*!< I2C locking object */ - __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */ - __IO HAL_I2C_ModeTypeDef Mode; /*!< I2C communication mode */ - __IO uint32_t ErrorCode; /*!< I2C Error code */ - __IO uint32_t Devaddress; /*!< I2C Target device address */ - __IO uint32_t Memaddress; /*!< I2C Target memory address */ - __IO uint32_t MemaddSize; /*!< I2C Target memory address size */ - __IO uint32_t EventCount; /*!< I2C Event counter */ -} I2C_HandleTypeDef; - -typedef struct -{ - __IO uint32_t ISR; /*!< DMA interrupt status register */ - __IO uint32_t Reserved0; - __IO uint32_t IFCR; /*!< DMA interrupt flag clear register */ -} DMA_Base_Registers; - -HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c); -HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c); -HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter); -HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter); -HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);