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boards/nucleo-f767zi: configure and use DMA

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This commit is contained in:
Alexandre Abadie 2019-01-07 14:17:25 +01:00 committed by Vincent Dupont
parent 0b6bccb543
commit 294711d9ba
3 changed files with 30 additions and 11 deletions
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2
boards/nucleo-f767zi/Makefile.dep
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@ -1 +1,3 @@
FEATURES_REQUIRED += periph_dma
include $(RIOTBOARD)/common/nucleo/Makefile.dep

1
boards/nucleo-f767zi/Makefile.features
View File

@ -1,4 +1,5 @@
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_dma
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_timer

38
boards/nucleo-f767zi/include/periph_conf.h
View File

@ -59,6 +59,25 @@ extern "C" {
#define CLOCK_PLL_Q (9)
/** @} */
/**
* @name DMA streams configuration
* @{
*/
#ifdef MODULE_PERIPH_DMA
static const dma_conf_t dma_config[] = {
{ .stream = 4 }, /* DMA1 Stream 4 - USART3_TX */
{ .stream = 14 }, /* DMA2 Stream 6 - USART6_TX */
{ .stream = 6 }, /* DMA1 Stream 6 - USART2_TX */
};
#define DMA_0_ISR isr_dma1_stream4
#define DMA_1_ISR isr_dma2_stream6
#define DMA_2_ISR isr_dma1_stream6
#define DMA_NUMOF (sizeof(dma_config) / sizeof(dma_config[0]))
#endif
/** @} */
/**
* @name Timer configuration
* @{
@ -92,9 +111,9 @@ static const uart_conf_t uart_config[] = {
.tx_af = GPIO_AF7,
.bus = APB1,
.irqn = USART3_IRQn,
#ifdef UART_USE_DMA
.dma_stream = 6,
.dma_chan = 4
#ifdef MODULE_PERIPH_DMA
.dma = 0,
.dma_chan = 7
#endif
},
{
@ -106,9 +125,9 @@ static const uart_conf_t uart_config[] = {
.tx_af = GPIO_AF8,
.bus = APB2,
.irqn = USART6_IRQn,
#ifdef UART_USE_DMA
.dma_stream = 5,
.dma_chan = 4
#ifdef MODULE_PERIPH_DMA
.dma = 1,
.dma_chan = 5
#endif
},
{
@ -120,19 +139,16 @@ static const uart_conf_t uart_config[] = {
.tx_af = GPIO_AF7,
.bus = APB1,
.irqn = USART2_IRQn,
#ifdef UART_USE_DMA
.dma_stream = 4,
#ifdef MODULE_PERIPH_DMA
.dma = 2,
.dma_chan = 4
#endif
}
};
#define UART_0_ISR (isr_usart3)
#define UART_0_DMA_ISR (isr_dma1_stream6)
#define UART_1_ISR (isr_usart6)
#define UART_1_DMA_ISR (isr_dma1_stream5)
#define UART_2_ISR (isr_usart2)
#define UART_2_DMA_ISR (isr_dma1_stream4)
#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */