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https://github.com/betaflight/betaflight.git
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F7 First try on ledstrip
This commit is contained in:
Sami Korhonen
parent
f2e4f9874f
commit
97f554e210
10 changed files with 265 additions and 75 deletions
2
Makefile
2
Makefile
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@ -641,6 +641,7 @@ STM32F7xx_COMMON_SRC = \
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drivers/inverter.c \
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drivers/bus_spi_hal.c \
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drivers/timer_hal.c \
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drivers/timer_stm32f7xx.c \
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drivers/pwm_output_hal.c \
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drivers/system_stm32f7xx.c \
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drivers/serial_uart_stm32f7xx.c \
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@ -653,7 +654,6 @@ F7EXCLUDES = drivers/bus_spi.c \
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io/serial_4way.c \
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io/serial_4way_avrootloader.c \
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io/serial_4way_stk500v2.c \
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io/ledstrip.c \
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drivers/serial_uart.c
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# check if target.mk supplied
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@ -39,7 +39,7 @@
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#include "dma.h"
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#include "light_ws2811strip.h"
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#if defined(STM32F4)
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#if defined(STM32F4) || defined(STM32F7)
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uint32_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
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#else
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uint8_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
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@ -28,6 +28,9 @@
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#if defined(STM32F40_41xxx)
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#define BIT_COMPARE_1 67 // timer compare value for logical 1
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#define BIT_COMPARE_0 33 // timer compare value for logical 0
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#elif defined(STM32F7)
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#define BIT_COMPARE_1 76 // timer compare value for logical 1
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#define BIT_COMPARE_0 38 // timer compare value for logical 0
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#else
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#define BIT_COMPARE_1 17 // timer compare value for logical 1
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#define BIT_COMPARE_0 9 // timer compare value for logical 0
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@ -51,7 +54,7 @@ void setStripColors(const hsvColor_t *colors);
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bool isWS2811LedStripReady(void);
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#if defined(STM32F4)
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#if defined(STM32F4) || defined(STM32F7)
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extern uint32_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
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#else
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extern uint8_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE];
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@ -19,37 +19,119 @@
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#include <stdint.h>
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#include "platform.h"
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#include "gpio.h"
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#ifdef LED_STRIP
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#include "common/color.h"
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#include "drivers/light_ws2811strip.h"
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#include "light_ws2811strip.h"
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#include "nvic.h"
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#include "dma.h"
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#include "io.h"
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#include "system.h"
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#include "rcc.h"
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#include "timer.h"
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static TIM_HandleTypeDef ledTimHandle;
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static DMA_HandleTypeDef ledDmaHandle;
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#if !defined(WS2811_PIN)
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#define WS2811_PIN PA0
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#define WS2811_TIMER TIM5
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#define WS2811_DMA_HANDLER_IDENTIFER DMA1_ST2_HANDLER
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#define WS2811_DMA_STREAM DMA1_Stream2
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#define WS2811_DMA_IT DMA_IT_TCIF2
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#define WS2811_DMA_CHANNEL DMA_Channel_6
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#define WS2811_TIMER_CHANNEL TIM_Channel_1
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#endif
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static IO_t ws2811IO = IO_NONE;
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static uint16_t timDMASource = 0;
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bool ws2811Initialised = false;
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TIM_HandleTypeDef TimHandle;
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void HAL_TIM_PWM_PulseFinishedCallback(TIM_HandleTypeDef *htim)
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{
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if(htim->Instance==WS2811_TIMER)
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{
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HAL_TIM_PWM_Stop_DMA(&TimHandle,WS2811_TIMER_CHANNEL);
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}
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}
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void WS2811_DMA_IRQHandler(dmaChannelDescriptor_t* descriptor)
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{
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ws2811LedDataTransferInProgress = 0;
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HAL_DMA_IRQHandler(TimHandle.hdma[2]);
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}
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void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *htim)
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{
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static DMA_HandleTypeDef hdma_tim;
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ws2811IO = IOGetByTag(IO_TAG(WS2811_PIN));
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/* GPIOA Configuration: TIM5 Channel 1 as alternate function push-pull */
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IOInit(ws2811IO, OWNER_LED_STRIP, RESOURCE_OUTPUT, 0);
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IOConfigGPIOAF(ws2811IO, IO_CONFIG(GPIO_MODE_AF_PP, GPIO_SPEED_FREQ_VERY_HIGH, GPIO_PULLUP), timerGPIOAF(WS2811_TIMER));
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__TIM5_CLK_ENABLE();
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__DMA1_CLK_ENABLE();
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/* Set the parameters to be configured */
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hdma_tim.Init.Channel = WS2811_DMA_CHANNEL;
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hdma_tim.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_tim.Init.MemInc = DMA_MINC_ENABLE;
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hdma_tim.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD ;
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hdma_tim.Init.MemDataAlignment = DMA_MDATAALIGN_WORD ;
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hdma_tim.Init.Mode = DMA_NORMAL;
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hdma_tim.Init.Priority = DMA_PRIORITY_HIGH;
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hdma_tim.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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hdma_tim.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
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hdma_tim.Init.MemBurst = DMA_MBURST_SINGLE;
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hdma_tim.Init.PeriphBurst = DMA_PBURST_SINGLE;
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/* Set hdma_tim instance */
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hdma_tim.Instance = WS2811_DMA_STREAM;
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uint32_t channelAddress = 0;
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switch (WS2811_TIMER_CHANNEL) {
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case TIM_CHANNEL_1:
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timDMASource = TIM_DMA_ID_CC1;
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channelAddress = (uint32_t)(&WS2811_TIMER->CCR1);
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break;
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case TIM_CHANNEL_2:
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timDMASource = TIM_DMA_ID_CC2;
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channelAddress = (uint32_t)(&WS2811_TIMER->CCR2);
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break;
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case TIM_CHANNEL_3:
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timDMASource = TIM_DMA_ID_CC3;
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channelAddress = (uint32_t)(&WS2811_TIMER->CCR3);
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break;
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case TIM_CHANNEL_4:
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timDMASource = TIM_DMA_ID_CC4;
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channelAddress = (uint32_t)(&WS2811_TIMER->CCR4);
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break;
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}
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/* Link hdma_tim to hdma[3] (channel3) */
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__HAL_LINKDMA(htim, hdma[timDMASource], hdma_tim);
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/* Initialize TIMx DMA handle */
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HAL_DMA_Init(htim->hdma[timDMASource]);
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dmaSetHandler(WS2811_DMA_HANDLER_IDENTIFER, WS2811_DMA_IRQHandler, NVIC_PRIO_WS2811_DMA, timDMASource);
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}
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void ws2811LedStripHardwareInit(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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TimHandle.Instance = WS2811_TIMER;
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GPIO_InitStructure.Pin = LED_STRIP_PIN;
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GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStructure.Pull = GPIO_PULLUP;
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GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
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GPIO_InitStructure.Alternate = LED_STRIP_AF;
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HAL_GPIO_Init(LED_STRIP_GPIO, &GPIO_InitStructure);
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ledTimHandle.Instance = LED_STRIP_TIMER;
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// Stop timer
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HAL_TIM_Base_Stop(&ledTimHandle);
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ledTimHandle.Init.Prescaler = (uint16_t) (SystemCoreClock / 2 / 84000000) - 1;
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ledTimHandle.Init.Period = 104; // 800kHz
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ledTimHandle.Init.ClockDivision = 0;
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ledTimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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HAL_TIM_PWM_Init(&ledTimHandle);
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TimHandle.Init.Prescaler = 1;
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TimHandle.Init.Period = 135; // 800kHz
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TimHandle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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if(HAL_TIM_PWM_Init(&TimHandle) != HAL_OK)
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{
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/* Initialization Error */
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}
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TIM_OC_InitTypeDef TIM_OCInitStructure;
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@ -61,50 +143,39 @@ void ws2811LedStripHardwareInit(void)
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TIM_OCInitStructure.OCNIdleState = TIM_OCNIDLESTATE_RESET;
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TIM_OCInitStructure.OCFastMode = TIM_OCFAST_DISABLE;
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HAL_TIM_PWM_ConfigChannel(&ledTimHandle, &TIM_OCInitStructure, LED_STRIP_TIMER_CHANNEL);
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HAL_TIM_Base_Start(&ledTimHandle);
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/* Set the parameters to be configured */
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ledDmaHandle.Instance = LED_STRIP_DMA_STREAM;
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ledDmaHandle.Init.Channel = LED_STRIP_DMA_CHANNEL;
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ledDmaHandle.Init.Direction = DMA_MEMORY_TO_PERIPH;
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ledDmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
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ledDmaHandle.Init.MemInc = DMA_MINC_ENABLE;
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ledDmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD ;
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ledDmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD ;
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ledDmaHandle.Init.Mode = DMA_NORMAL;
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ledDmaHandle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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ledDmaHandle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
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ledDmaHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_1QUARTERFULL;
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ledDmaHandle.Init.MemBurst = DMA_MBURST_SINGLE;
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ledDmaHandle.Init.PeriphBurst = DMA_PBURST_SINGLE;
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__HAL_LINKDMA(&ledTimHandle, hdma[LED_STRIP_TIMER_DMA_RQ], ledDmaHandle);
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/* Initialize TIMx DMA handle */
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HAL_DMA_Init(ledTimHandle.hdma[LED_STRIP_TIMER_DMA_RQ]);
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HAL_NVIC_SetPriority(LED_STRIP_DMA_STREAM_IRQn, NVIC_PRIORITY_BASE(NVIC_PRIO_WS2811_DMA), NVIC_PRIORITY_SUB(NVIC_PRIO_WS2811_DMA));
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HAL_NVIC_EnableIRQ(LED_STRIP_DMA_STREAM_IRQn);
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// DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&(TIM5->CCR1);
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// DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)ledStripDMABuffer;
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// DMA_InitStructure.DMA_BufferSize = WS2811_DMA_BUFFER_SIZE;
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if(HAL_TIM_PWM_ConfigChannel(&TimHandle, &TIM_OCInitStructure, WS2811_TIMER_CHANNEL) != HAL_OK)
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{
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/* Configuration Error */
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}
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const hsvColor_t hsv_white = { 0, 255, 255};
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ws2811Initialised = true;
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setStripColor(&hsv_white);
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ws2811UpdateStrip();
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}
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void LED_STRIP_DMA_IRQHandler(void)
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{
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HAL_DMA_IRQHandler(ledTimHandle.hdma[LED_STRIP_TIMER_DMA_RQ]);
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ws2811LedDataTransferInProgress = 0;
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}
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void ws2811LedStripDMAEnable(void)
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{
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__HAL_TIM_SET_COUNTER(&ledTimHandle, 0);
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HAL_TIM_PWM_Start_DMA(&ledTimHandle, LED_STRIP_TIMER_CHANNEL, ledStripDMABuffer, WS2811_DMA_BUFFER_SIZE);
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if (!ws2811Initialised)
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{
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ws2811LedDataTransferInProgress = 0;
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return;
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}
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if(HAL_TIM_PWM_Init(&TimHandle) != HAL_OK)
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{
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/* Initialization Error */
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ws2811LedDataTransferInProgress = 0;
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return;
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}
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if( HAL_TIM_PWM_Start_DMA(&TimHandle, WS2811_TIMER_CHANNEL, ledStripDMABuffer, WS2811_DMA_BUFFER_SIZE) != HAL_OK)
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{
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/* Starting PWM generation Error */
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ws2811LedDataTransferInProgress = 0;
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return;
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}
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}
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#endif
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@ -115,6 +115,8 @@ typedef enum {
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#define HARDWARE_TIMER_DEFINITION_COUNT 10
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#elif defined(STM32F4)
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#define HARDWARE_TIMER_DEFINITION_COUNT 14
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#elif defined(STM32F7)
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#define HARDWARE_TIMER_DEFINITION_COUNT 14
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#endif
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extern const timerHardware_t timerHardware[];
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@ -17,7 +17,6 @@
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "platform.h"
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@ -27,6 +26,7 @@
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#include "nvic.h"
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#include "gpio.h"
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#include "rcc.h"
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#include "system.h"
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#include "timer.h"
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@ -204,6 +204,29 @@ static inline uint8_t lookupChannelIndex(const uint16_t channel)
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return channel >> 2;
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}
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rccPeriphTag_t timerRCC(TIM_TypeDef *tim)
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{
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for (uint8_t i = 0; i < HARDWARE_TIMER_DEFINITION_COUNT; i++) {
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if (timerDefinitions[i].TIMx == tim) {
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return timerDefinitions[i].rcc;
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}
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}
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return 0;
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}
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#if defined(STM32F7)
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uint8_t timerGPIOAF(TIM_TypeDef *tim)
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{
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for (uint8_t i = 0; i < HARDWARE_TIMER_DEFINITION_COUNT; i++) {
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if (timerDefinitions[i].TIMx == tim) {
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return timerDefinitions[i].alternateFunction;
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}
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}
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return 0;
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}
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#endif
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void timerNVICConfigure(uint8_t irq)
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{
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HAL_NVIC_SetPriority(irq, NVIC_PRIORITY_BASE(NVIC_PRIO_TIMER), NVIC_PRIORITY_SUB(NVIC_PRIO_TIMER));
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84
src/main/drivers/timer_stm32f7xx.c
Normal file
84
src/main/drivers/timer_stm32f7xx.c
Normal file
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@ -0,0 +1,84 @@
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/*
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modified version of StdPeriph function is located here.
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TODO - what license does apply here?
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original file was lincesed under MCD-ST Liberty SW License Agreement V2
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http://www.st.com/software_license_agreement_liberty_v2
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*/
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#include "stm32f7xx.h"
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#include "timer.h"
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#include "rcc.h"
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/**
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* @brief Selects the TIM Output Compare Mode.
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* @note This function does NOT disable the selected channel before changing the Output
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* Compare Mode.
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* @param TIMx: where x can be 1 to 17 except 6 and 7 to select the TIM peripheral.
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* @param TIM_Channel: specifies the TIM Channel
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* This parameter can be one of the following values:
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* @arg TIM_Channel_1: TIM Channel 1
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* @arg TIM_Channel_2: TIM Channel 2
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* @arg TIM_Channel_3: TIM Channel 3
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* @arg TIM_Channel_4: TIM Channel 4
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* @param TIM_OCMode: specifies the TIM Output Compare Mode.
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* This parameter can be one of the following values:
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* @arg TIM_OCMode_Timing
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* @arg TIM_OCMode_Active
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* @arg TIM_OCMode_Toggle
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* @arg TIM_OCMode_PWM1
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* @arg TIM_OCMode_PWM2
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* @arg TIM_ForcedAction_Active
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* @arg TIM_ForcedAction_InActive
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* @retval None
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*/
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#define CCMR_Offset ((uint16_t)0x0018)
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const timerDef_t timerDefinitions[HARDWARE_TIMER_DEFINITION_COUNT] = {
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{ .TIMx = TIM1, .rcc = RCC_APB2(TIM1), GPIO_AF1_TIM1 },
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{ .TIMx = TIM2, .rcc = RCC_APB1(TIM2), GPIO_AF1_TIM2 },
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{ .TIMx = TIM3, .rcc = RCC_APB1(TIM3), GPIO_AF2_TIM3 },
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{ .TIMx = TIM4, .rcc = RCC_APB1(TIM4), GPIO_AF2_TIM4 },
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{ .TIMx = TIM5, .rcc = RCC_APB1(TIM5), GPIO_AF2_TIM5 },
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{ .TIMx = TIM6, .rcc = RCC_APB1(TIM6), 0 },
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{ .TIMx = TIM7, .rcc = RCC_APB1(TIM7), 0 },
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{ .TIMx = TIM8, .rcc = RCC_APB2(TIM8), GPIO_AF3_TIM8 },
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{ .TIMx = TIM9, .rcc = RCC_APB2(TIM9), GPIO_AF3_TIM9 },
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{ .TIMx = TIM10, .rcc = RCC_APB2(TIM10), GPIO_AF3_TIM10 },
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{ .TIMx = TIM11, .rcc = RCC_APB2(TIM11), GPIO_AF3_TIM11 },
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{ .TIMx = TIM12, .rcc = RCC_APB1(TIM12), GPIO_AF9_TIM12 },
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{ .TIMx = TIM13, .rcc = RCC_APB1(TIM13), GPIO_AF9_TIM13 },
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{ .TIMx = TIM14, .rcc = RCC_APB1(TIM14), GPIO_AF9_TIM14 },
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};
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void TIM_SelectOCxM_NoDisable(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode)
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{
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uint32_t tmp = 0;
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/* Check the parameters */
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assert_param(IS_TIM_LIST8_PERIPH(TIMx));
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assert_param(IS_TIM_CHANNEL(TIM_Channel));
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assert_param(IS_TIM_OCM(TIM_OCMode));
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tmp = (uint32_t) TIMx;
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tmp += CCMR_Offset;
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if((TIM_Channel == TIM_CHANNEL_1) ||(TIM_Channel == TIM_CHANNEL_3)) {
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tmp += (TIM_Channel>>1);
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/* Reset the OCxM bits in the CCMRx register */
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*(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC1M);
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/* Configure the OCxM bits in the CCMRx register */
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*(__IO uint32_t *) tmp |= TIM_OCMode;
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} else {
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tmp += (uint16_t)(TIM_Channel - (uint16_t)4)>> (uint16_t)1;
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/* Reset the OCxM bits in the CCMRx register */
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*(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_CCMR1_OC2M);
|
||||
|
||||
/* Configure the OCxM bits in the CCMRx register */
|
||||
*(__IO uint32_t *) tmp |= (uint16_t)(TIM_OCMode << 8);
|
||||
}
|
||||
}
|
||||
|
||||
6
src/main/drivers/timer_stm32f7xx.h
Normal file
6
src/main/drivers/timer_stm32f7xx.h
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include "stm32f7xx.h"
|
||||
|
||||
void TIM_SelectOCxM_NoDisable(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode);
|
||||
|
|
@ -139,18 +139,18 @@
|
|||
#define CURRENT_METER_ADC_PIN PC1
|
||||
#define RSSI_ADC_GPIO_PIN PC2
|
||||
|
||||
//#define LED_STRIP
|
||||
#define LED_STRIP
|
||||
|
||||
// LED Strip can run off Pin 6 (PA0) of the ESC outputs.
|
||||
#define WS2811_PIN PA0
|
||||
#define WS2811_PIN PA1
|
||||
#define WS2811_TIMER TIM5
|
||||
#define WS2811_TIMER_CHANNEL TIM_Channel_1
|
||||
#define WS2811_DMA_HANDLER_IDENTIFER DMA1_ST2_HANDLER
|
||||
#define WS2811_DMA_STREAM DMA1_Stream2
|
||||
#define WS2811_DMA_FLAG DMA_FLAG_TCIF2
|
||||
#define WS2811_DMA_IT DMA_IT_TCIF2
|
||||
#define WS2811_TIMER_CHANNEL TIM_CHANNEL_2
|
||||
#define WS2811_DMA_HANDLER_IDENTIFER DMA1_ST4_HANDLER
|
||||
#define WS2811_DMA_STREAM DMA1_Stream4
|
||||
#define WS2811_DMA_FLAG DMA_FLAG_TCIF4
|
||||
#define WS2811_DMA_IT DMA_IT_TCIF4
|
||||
#define WS2811_DMA_CHANNEL DMA_CHANNEL_6
|
||||
#define WS2811_DMA_IRQ DMA1_Stream2_IRQn
|
||||
#define WS2811_DMA_IRQ DMA1_Stream4_IRQn
|
||||
|
||||
#define ENABLE_BLACKBOX_LOGGING_ON_SDCARD_BY_DEFAULT
|
||||
|
||||
|
|
|
|||
|
|
@ -3,6 +3,7 @@ FEATURES += SDCARD VCP
|
|||
|
||||
TARGET_SRC = \
|
||||
drivers/accgyro_spi_mpu6000.c \
|
||||
drivers/barometer_ms5611.c
|
||||
|
||||
drivers/barometer_ms5611.c \
|
||||
drivers/light_ws2811strip.c \
|
||||
drivers/light_ws2811strip_hal.c
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue