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boards/nucleo-l152re: configure and use DMA

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This commit is contained in:
Alexandre Abadie 2019-01-07 15:16:07 +01:00 committed by Vincent Dupont
parent 294711d9ba
commit abc97c2a1e
3 changed files with 46 additions and 4 deletions
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2
boards/nucleo-l152re/Makefile.dep
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@ -1 +1,3 @@
FEATURES_REQUIRED += periph_dma
include $(RIOTBOARD)/common/nucleo/Makefile.dep

1
boards/nucleo-l152re/Makefile.features
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@ -1,6 +1,7 @@
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_dac
FEATURES_PROVIDED += periph_dma
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc

47
boards/nucleo-l152re/include/periph_conf.h
View File

@ -62,6 +62,27 @@ extern "C" {
#define CLOCK_APB1 (CLOCK_CORECLOCK / 1)
/** @} */
/**
* @name DMA streams configuration
* @{
*/
#ifdef MODULE_PERIPH_DMA
static const dma_conf_t dma_config[] = {
{ .stream = 1 }, /* DMA1 Channel 2 - SPI1_RX / USART3_TX */
{ .stream = 2 }, /* DMA1 Channel 3 - SPI1_TX */
{ .stream = 6 }, /* DMA1 Channel 7 - USART2_TX */
{ .stream = 4 }, /* DMA1 Channel 4 - USART1_TX */
};
#define DMA_0_ISR isr_dma1_ch2
#define DMA_1_ISR isr_dma1_ch3
#define DMA_2_ISR isr_dma1_ch7
#define DMA_3_ISR isr_dma1_ch4
#define DMA_NUMOF (sizeof(dma_config) / sizeof(dma_config[0]))
#endif
/** @} */
/**
* @name Timer configuration
* @{
@ -101,7 +122,11 @@ static const uart_conf_t uart_config[] = {
.rx_af = GPIO_AF7,
.tx_af = GPIO_AF7,
.bus = APB1,
.irqn = USART2_IRQn
.irqn = USART2_IRQn,
#ifdef MODULE_PERIPH_DMA
.dma = 2,
.dma_chan = 2
#endif
},
{
.dev = USART1,
@ -111,7 +136,11 @@ static const uart_conf_t uart_config[] = {
.rx_af = GPIO_AF7,
.tx_af = GPIO_AF7,
.bus = APB2,
.irqn = USART1_IRQn
.irqn = USART1_IRQn,
#ifdef MODULE_PERIPH_DMA
.dma = 3,
.dma_chan = 2
#endif
},
{
.dev = USART3,
@ -121,7 +150,11 @@ static const uart_conf_t uart_config[] = {
.rx_af = GPIO_AF7,
.tx_af = GPIO_AF7,
.bus = APB1,
.irqn = USART3_IRQn
.irqn = USART3_IRQn,
#ifdef MODULE_PERIPH_DMA
.dma = 0,
.dma_chan = 2
#endif
},
};
@ -195,7 +228,13 @@ static const spi_conf_t spi_config[] = {
.cs_pin = GPIO_UNDEF,
.af = GPIO_AF5,
.rccmask = RCC_APB2ENR_SPI1EN,
.apbbus = APB2
.apbbus = APB2,
#ifdef MODULE_PERIPH_DMA
.tx_dma = 1,
.tx_dma_chan = 1,
.rx_dma = 0,
.rx_dma_chan = 1,
#endif
}
};