RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-01-17 05:12:57 +01:00
Code Releases Activity

boards/b-l4753-iot0a1: Add SPI2 and SPI3 buses

Browse Source 
SPI2 is exposed on the PMOD connector, SPI3 is used internally to
communicate with the radio modules onboard
This commit is contained in:
Dario Petrillo 2022-03-30 10:52:53 +02:00
parent fd7c185653
commit ce31f840b1
No known key found for this signature in database
GPG Key ID: 3A137B00436E37AB
1 changed files with 47 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
boards/b-l475e-iot01a/include/periph_conf.h
View File

@ -40,14 +40,20 @@ extern "C" {
static const dma_conf_t dma_config[] = {
{ .stream = 1 }, /* DMA1 Channel 2 - SPI1_RX */
{ .stream = 2 }, /* DMA1 Channel 3 - SPI1_TX */
{ .stream = 3 }, /* DMA1 Channel 4 - USART1_TX */
{ .stream = 3 }, /* DMA1 Channel 4 - USART1_TX / SPI2_RX */
{ .stream = 4 }, /* DMA1 Channel 5 - SPI2_TX */
{ .stream = 8 }, /* DMA2 Channel 1 - SPI3_RX */
{ .stream = 9 }, /* DMA2 Channel 2 - SPI3_TX */
{ .stream = 10 }, /* DMA2 Channel 3 - UART4_TX */
};
#define DMA_0_ISR isr_dma1_channel2
#define DMA_1_ISR isr_dma1_channel3
#define DMA_2_ISR isr_dma1_channel4
#define DMA_3_ISR isr_dma2_channel3
#define DMA_3_ISR isr_dma1_channel5
#define DMA_4_ISR isr_dma2_channel1
#define DMA_5_ISR isr_dma2_channel2
#define DMA_6_ISR isr_dma2_channel3
#define DMA_NUMOF ARRAY_SIZE(dma_config)
/** @} */
@ -104,7 +110,7 @@ static const uart_conf_t uart_config[] = {
.type = STM32_USART,
.clk_src = 0, /* Use APB clock */
#ifdef MODULE_PERIPH_DMA
.dma = 3,
.dma = 6,
.dma_chan = 2
#endif
}
@ -158,6 +164,44 @@ static const spi_conf_t spi_config[] = {
.tx_dma_chan = 1,
.rx_dma = 0,
.rx_dma_chan = 1,
#endif
},
{
.dev = SPI2,
.mosi_pin = GPIO_PIN(PORT_D, 4),
.miso_pin = GPIO_PIN(PORT_D, 3),
.sclk_pin = GPIO_PIN(PORT_D, 1),
.cs_pin = SPI_CS_UNDEF,
.mosi_af = GPIO_AF5,
.miso_af = GPIO_AF5,
.sclk_af = GPIO_AF5,
.cs_af = GPIO_AF5,
.rccmask = RCC_APB1ENR1_SPI2EN,
.apbbus = APB1,
#ifdef MODULE_PERIPH_DMA
.tx_dma = 3,
.tx_dma_chan = 1,
.rx_dma = 2,
.rx_dma_chan = 1,
#endif
},
{
.dev = SPI3,
.mosi_pin = GPIO_PIN(PORT_C, 12),
.miso_pin = GPIO_PIN(PORT_C, 11),
.sclk_pin = GPIO_PIN(PORT_C, 10),
.cs_pin = SPI_CS_UNDEF,
.mosi_af = GPIO_AF6,
.miso_af = GPIO_AF6,
.sclk_af = GPIO_AF6,
.cs_af = GPIO_AF6,
.rccmask = RCC_APB1ENR1_SPI3EN,
.apbbus = APB1,
#ifdef MODULE_PERIPH_DMA
.tx_dma = 5,
.tx_dma_chan = 3,
.rx_dma = 4,
.rx_dma_chan = 3,
#endif
}
};