mirror of
https://github.com/betaflight/betaflight.git
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STM32F1/3: convert serial UART to IO code
This commit is contained in:
blckmn
parent
715d622f1f
commit
5f03470557
26 changed files with 236 additions and 635 deletions
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@ -30,63 +30,57 @@
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#include <platform.h>
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#include "system.h"
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#include "gpio.h"
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#include "io.h"
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#include "nvic.h"
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#include "rcc.h"
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#include "serial.h"
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#include "serial_uart.h"
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#include "serial_uart_impl.h"
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// Using RX DMA disables the use of receive callbacks
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//#define USE_USART1_RX_DMA
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//#define USE_USART2_RX_DMA
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//#define USE_USART2_TX_DMA
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//#define USE_USART3_RX_DMA
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//#define USE_USART3_TX_DMA
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#ifndef UART1_GPIO
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#define UART1_TX_PIN GPIO_Pin_9 // PA9
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#define UART1_RX_PIN GPIO_Pin_10 // PA10
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#define UART1_GPIO GPIOA
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#define UART1_GPIO_AF GPIO_AF_7
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#define UART1_TX_PINSOURCE GPIO_PinSource9
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#define UART1_RX_PINSOURCE GPIO_PinSource10
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#ifdef USE_USART1
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#ifndef UART1_TX_PIN
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#define UART1_TX_PIN PA9 // PA9
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#endif
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#ifndef UART1_RX_PIN
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#define UART1_RX_PIN PA10 // PA10
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#endif
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#endif
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#ifndef UART2_GPIO
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#define UART2_TX_PIN GPIO_Pin_5 // PD5
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#define UART2_RX_PIN GPIO_Pin_6 // PD6
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#define UART2_GPIO GPIOD
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#define UART2_GPIO_AF GPIO_AF_7
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#define UART2_TX_PINSOURCE GPIO_PinSource5
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#define UART2_RX_PINSOURCE GPIO_PinSource6
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#ifdef USE_USART2
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#ifndef UART2_TX_PIN
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#define UART2_TX_PIN PD5 // PD5
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#endif
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#ifndef UART2_RX_PIN
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#define UART2_RX_PIN PD6 // PD6
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#endif
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#endif
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#ifndef UART3_GPIO
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#define UART3_TX_PIN GPIO_Pin_10 // PB10 (AF7)
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#define UART3_RX_PIN GPIO_Pin_11 // PB11 (AF7)
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#define UART3_GPIO_AF GPIO_AF_7
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#define UART3_GPIO GPIOB
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#define UART3_TX_PINSOURCE GPIO_PinSource10
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#define UART3_RX_PINSOURCE GPIO_PinSource11
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#ifdef USE_USART3
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#ifndef UART3_TX_PIN
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#define UART3_TX_PIN PB10 // PB10 (AF7)
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#endif
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#ifndef UART3_RX_PIN
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#define UART3_RX_PIN PB11 // PB11 (AF7)
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#endif
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#endif
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#ifndef UART4_GPIO
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#define UART4_TX_PIN GPIO_Pin_10 // PC10 (AF5)
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#define UART4_RX_PIN GPIO_Pin_11 // PC11 (AF5)
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#define UART4_GPIO_AF GPIO_AF_5
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#define UART4_GPIO GPIOC
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#define UART4_TX_PINSOURCE GPIO_PinSource10
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#define UART4_RX_PINSOURCE GPIO_PinSource11
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#ifdef USE_USART4
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#ifndef UART4_TX_PIN
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#define UART4_TX_PIN PC10 // PC10 (AF5)
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#endif
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#ifndef UART4_RX_PIN
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#define UART4_RX_PIN PC11 // PC11 (AF5)
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#endif
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#endif
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#ifndef UART5_GPIO // The real UART5_RX is on PD2, no board is using.
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#define UART5_TX_PIN GPIO_Pin_12 // PC12 (AF5)
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#define UART5_RX_PIN GPIO_Pin_12 // PC12 (AF5)
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#define UART5_GPIO_AF GPIO_AF_5
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#define UART5_GPIO GPIOC
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#define UART5_TX_PINSOURCE GPIO_PinSource12
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#define UART5_RX_PINSOURCE GPIO_PinSource12
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#ifdef USE_USART5
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#ifndef UART5_TX_PIN // The real UART5_RX is on PD2, no board is using.
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#define UART5_TX_PIN PC12 // PC12 (AF5)
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#endif
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#ifndef UART5_RX_PIN
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#define UART5_RX_PIN PC12 // PC12 (AF5)
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#endif
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#endif
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#ifdef USE_USART1
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@ -105,6 +99,33 @@ static uartPort_t uartPort4;
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static uartPort_t uartPort5;
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#endif
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void serialUARTInit(IO_t tx, IO_t rx, portMode_t mode, portOptions_t options, uint8_t af)
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{
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if (options & SERIAL_BIDIR) {
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ioConfig_t ioCfg = IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz,
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(options & SERIAL_INVERTED) ? GPIO_OType_PP : GPIO_OType_OD,
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(options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP
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);
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IOInit(tx, OWNER_SERIAL_RXTX, RESOURCE_USART);
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IOConfigGPIOAF(tx, ioCfg, af);
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if (!(options & SERIAL_INVERTED))
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IOLo(tx); // OpenDrain output should be inactive
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} else {
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ioConfig_t ioCfg = IO_CONFIG(GPIO_Mode_AF, GPIO_Speed_50MHz, GPIO_OType_PP, (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP);
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if (mode & MODE_TX) {
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IOInit(tx, OWNER_SERIAL_TX, RESOURCE_USART);
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IOConfigGPIOAF(tx, ioCfg, af);
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}
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if (mode & MODE_RX) {
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IOInit(tx, OWNER_SERIAL_RX, RESOURCE_USART);
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IOConfigGPIOAF(rx, ioCfg, af);
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}
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}
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}
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#ifdef USE_USART1
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uartPort_t *serialUSART1(uint32_t baudRate, portMode_t mode, portOptions_t options)
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{
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@ -112,7 +133,6 @@ uartPort_t *serialUSART1(uint32_t baudRate, portMode_t mode, portOptions_t optio
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static volatile uint8_t rx1Buffer[UART1_RX_BUFFER_SIZE];
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static volatile uint8_t tx1Buffer[UART1_TX_BUFFER_SIZE];
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NVIC_InitTypeDef NVIC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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s = &uartPort1;
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s->port.vTable = uartVTable;
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@ -134,34 +154,10 @@ uartPort_t *serialUSART1(uint32_t baudRate, portMode_t mode, portOptions_t optio
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s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->RDR;
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s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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RCC_ClockCmd(RCC_APB2(USART1), ENABLE);
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RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP;
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if (options & SERIAL_BIDIR) {
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GPIO_InitStructure.GPIO_Pin = UART1_TX_PIN;
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GPIO_InitStructure.GPIO_OType = (options & SERIAL_INVERTED) ? GPIO_OType_PP : GPIO_OType_OD;
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GPIO_PinAFConfig(UART1_GPIO, UART1_TX_PINSOURCE, UART1_GPIO_AF);
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GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
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if(!(options & SERIAL_INVERTED))
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GPIO_SetBits(UART1_GPIO, UART1_TX_PIN); // OpenDrain output should be inactive
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} else {
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if (mode & MODE_TX) {
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GPIO_InitStructure.GPIO_Pin = UART1_TX_PIN;
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GPIO_PinAFConfig(UART1_GPIO, UART1_TX_PINSOURCE, UART1_GPIO_AF);
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GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
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}
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if (mode & MODE_RX) {
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GPIO_InitStructure.GPIO_Pin = UART1_RX_PIN;
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GPIO_PinAFConfig(UART1_GPIO, UART1_RX_PINSOURCE, UART1_GPIO_AF);
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GPIO_Init(UART1_GPIO, &GPIO_InitStructure);
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}
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}
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serialUARTInit(IOGetByTag(IO_TAG(UART1_TX_PIN)), IOGetByTag(IO_TAG(UART1_RX_PIN)), mode, options, GPIO_AF_7);
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// DMA TX Interrupt
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NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel4_IRQn;
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@ -189,7 +185,6 @@ uartPort_t *serialUSART2(uint32_t baudRate, portMode_t mode, portOptions_t optio
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static volatile uint8_t rx2Buffer[UART2_RX_BUFFER_SIZE];
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static volatile uint8_t tx2Buffer[UART2_TX_BUFFER_SIZE];
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NVIC_InitTypeDef NVIC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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s = &uartPort2;
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s->port.vTable = uartVTable;
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@ -212,37 +207,13 @@ uartPort_t *serialUSART2(uint32_t baudRate, portMode_t mode, portOptions_t optio
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s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
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#endif
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
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RCC_ClockCmd(RCC_APB1(USART2), ENABLE);
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#if defined(USE_USART2_TX_DMA) || defined(USE_USART2_RX_DMA)
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
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#endif
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP;
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if (options & SERIAL_BIDIR) {
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GPIO_InitStructure.GPIO_Pin = UART2_TX_PIN;
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GPIO_InitStructure.GPIO_OType = (options & SERIAL_INVERTED) ? GPIO_OType_PP : GPIO_OType_OD;
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GPIO_PinAFConfig(UART2_GPIO, UART2_TX_PINSOURCE, UART2_GPIO_AF);
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GPIO_Init(UART2_GPIO, &GPIO_InitStructure);
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if(!(options & SERIAL_INVERTED))
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GPIO_SetBits(UART2_GPIO, UART2_TX_PIN); // OpenDrain output should be inactive
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} else {
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if (mode & MODE_TX) {
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GPIO_InitStructure.GPIO_Pin = UART2_TX_PIN;
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GPIO_PinAFConfig(UART2_GPIO, UART2_TX_PINSOURCE, UART2_GPIO_AF);
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GPIO_Init(UART2_GPIO, &GPIO_InitStructure);
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}
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if (mode & MODE_RX) {
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GPIO_InitStructure.GPIO_Pin = UART2_RX_PIN;
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GPIO_PinAFConfig(UART2_GPIO, UART2_RX_PINSOURCE, UART2_GPIO_AF);
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GPIO_Init(UART2_GPIO, &GPIO_InitStructure);
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}
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}
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serialUARTInit(IOGetByTag(IO_TAG(UART2_TX_PIN)), IOGetByTag(IO_TAG(UART2_RX_PIN)), mode, options, GPIO_AF_7);
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#ifdef USE_USART2_TX_DMA
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// DMA TX Interrupt
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@ -272,7 +243,6 @@ uartPort_t *serialUSART3(uint32_t baudRate, portMode_t mode, portOptions_t optio
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static volatile uint8_t rx3Buffer[UART3_RX_BUFFER_SIZE];
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static volatile uint8_t tx3Buffer[UART3_TX_BUFFER_SIZE];
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NVIC_InitTypeDef NVIC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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s = &uartPort3;
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s->port.vTable = uartVTable;
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@ -295,37 +265,13 @@ uartPort_t *serialUSART3(uint32_t baudRate, portMode_t mode, portOptions_t optio
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s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->TDR;
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#endif
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
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RCC_ClockCmd(RCC_APB1(USART3), ENABLE);
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#if defined(USE_USART3_TX_DMA) || defined(USE_USART3_RX_DMA)
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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RCC_AHBClockCmd(RCC_AHB(DMA1), ENABLE);
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#endif
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP;
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if (options & SERIAL_BIDIR) {
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GPIO_InitStructure.GPIO_Pin = UART3_TX_PIN;
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GPIO_InitStructure.GPIO_OType = (options & SERIAL_INVERTED) ? GPIO_OType_PP : GPIO_OType_OD;
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GPIO_PinAFConfig(UART3_GPIO, UART3_TX_PINSOURCE, UART3_GPIO_AF);
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GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
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if(!(options & SERIAL_INVERTED))
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GPIO_SetBits(UART3_GPIO, UART3_TX_PIN); // OpenDrain output should be inactive
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} else {
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if (mode & MODE_TX) {
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GPIO_InitStructure.GPIO_Pin = UART3_TX_PIN;
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GPIO_PinAFConfig(UART3_GPIO, UART3_TX_PINSOURCE, UART3_GPIO_AF);
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GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
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}
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if (mode & MODE_RX) {
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GPIO_InitStructure.GPIO_Pin = UART3_RX_PIN;
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GPIO_PinAFConfig(UART3_GPIO, UART3_RX_PINSOURCE, UART3_GPIO_AF);
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GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
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}
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}
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serialUARTInit(IOGetByTag(IO_TAG(UART3_TX_PIN)), IOGetByTag(IO_TAG(UART3_RX_PIN)), mode, options, GPIO_AF_7);
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#ifdef USE_USART3_TX_DMA
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// DMA TX Interrupt
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@ -355,7 +301,6 @@ uartPort_t *serialUSART4(uint32_t baudRate, portMode_t mode, portOptions_t optio
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static volatile uint8_t rx4Buffer[UART4_RX_BUFFER_SIZE];
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static volatile uint8_t tx4Buffer[UART4_TX_BUFFER_SIZE];
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NVIC_InitTypeDef NVIC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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s = &uartPort4;
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s->port.vTable = uartVTable;
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@ -369,33 +314,9 @@ uartPort_t *serialUSART4(uint32_t baudRate, portMode_t mode, portOptions_t optio
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s->USARTx = UART4;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
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RCC_ClockCmd(RCC_APB1(UART4), ENABLE);
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP;
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if (options & SERIAL_BIDIR) {
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GPIO_InitStructure.GPIO_Pin = UART4_TX_PIN;
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GPIO_InitStructure.GPIO_OType = (options & SERIAL_INVERTED) ? GPIO_OType_PP : GPIO_OType_OD;
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GPIO_PinAFConfig(UART4_GPIO, UART4_TX_PINSOURCE, UART4_GPIO_AF);
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GPIO_Init(UART4_GPIO, &GPIO_InitStructure);
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if(!(options & SERIAL_INVERTED))
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GPIO_SetBits(UART4_GPIO, UART4_TX_PIN); // OpenDrain output should be inactive
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} else {
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if (mode & MODE_TX) {
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GPIO_InitStructure.GPIO_Pin = UART4_TX_PIN;
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GPIO_PinAFConfig(UART4_GPIO, UART4_TX_PINSOURCE, UART4_GPIO_AF);
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GPIO_Init(UART4_GPIO, &GPIO_InitStructure);
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}
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if (mode & MODE_RX) {
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GPIO_InitStructure.GPIO_Pin = UART4_RX_PIN;
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GPIO_PinAFConfig(UART4_GPIO, UART4_RX_PINSOURCE, UART4_GPIO_AF);
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GPIO_Init(UART4_GPIO, &GPIO_InitStructure);
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}
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}
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serialUARTInit(IOGetByTag(IO_TAG(UART4_TX_PIN)), IOGetByTag(IO_TAG(UART4_RX_PIN)), mode, options, GPIO_AF_5);
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NVIC_InitStructure.NVIC_IRQChannel = UART4_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART4);
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@ -414,7 +335,6 @@ uartPort_t *serialUSART5(uint32_t baudRate, portMode_t mode, portOptions_t optio
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static volatile uint8_t rx5Buffer[UART5_RX_BUFFER_SIZE];
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static volatile uint8_t tx5Buffer[UART5_TX_BUFFER_SIZE];
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NVIC_InitTypeDef NVIC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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s = &uartPort5;
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s->port.vTable = uartVTable;
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@ -428,33 +348,9 @@ uartPort_t *serialUSART5(uint32_t baudRate, portMode_t mode, portOptions_t optio
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s->USARTx = UART5;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
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RCC_ClockCmd(RCC_APB1(UART5), ENABLE);
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = (options & SERIAL_INVERTED) ? GPIO_PuPd_DOWN : GPIO_PuPd_UP;
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if (options & SERIAL_BIDIR) {
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GPIO_InitStructure.GPIO_Pin = UART5_TX_PIN;
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GPIO_InitStructure.GPIO_OType = (options & SERIAL_INVERTED) ? GPIO_OType_PP : GPIO_OType_OD;
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GPIO_PinAFConfig(UART5_GPIO, UART5_TX_PINSOURCE, UART5_GPIO_AF);
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GPIO_Init(UART5_GPIO, &GPIO_InitStructure);
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if(!(options & SERIAL_INVERTED))
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GPIO_SetBits(UART5_GPIO, UART5_TX_PIN); // OpenDrain output should be inactive
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} else {
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if (mode & MODE_TX) {
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GPIO_InitStructure.GPIO_Pin = UART5_TX_PIN;
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GPIO_PinAFConfig(UART5_GPIO, UART5_TX_PINSOURCE, UART5_GPIO_AF);
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GPIO_Init(UART5_GPIO, &GPIO_InitStructure);
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}
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if (mode & MODE_RX) {
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GPIO_InitStructure.GPIO_Pin = UART5_RX_PIN;
|
||||
GPIO_PinAFConfig(UART5_GPIO, UART5_RX_PINSOURCE, UART5_GPIO_AF);
|
||||
GPIO_Init(UART5_GPIO, &GPIO_InitStructure);
|
||||
}
|
||||
}
|
||||
serialUARTInit(IOGetByTag(IO_TAG(UART5_TX_PIN)), IOGetByTag(IO_TAG(UART5_RX_PIN)), mode, options, GPIO_AF_5);
|
||||
|
||||
NVIC_InitStructure.NVIC_IRQChannel = UART5_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_PRIORITY_BASE(NVIC_PRIO_SERIALUART5);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue