diff options
Diffstat (limited to 'os/io/platforms/STM32/spi_lld.c')
| -rw-r--r-- | os/io/platforms/STM32/spi_lld.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/os/io/platforms/STM32/spi_lld.c b/os/io/platforms/STM32/spi_lld.c index 4ef99e1ed..5e8ef614e 100644 --- a/os/io/platforms/STM32/spi_lld.c +++ b/os/io/platforms/STM32/spi_lld.c @@ -27,11 +27,41 @@ #include <ch.h>
#include <spi.h>
+#include "nvic.h"
+#include "board.h"
+
+#if USE_STM32_SPI1 || defined(__DOXYGEN__)
+/** @brief SPI1 driver identifier.*/
+SPIDriver SPID1;
+#endif
+
+#if USE_STM32_SPI2 || defined(__DOXYGEN__)
+/** @brief SPI2 driver identifier.*/
+SPIDriver SPID2;
+#endif
+
/**
* @brief Low level SPI driver initialization. */
void spi_lld_init(void) {
+#if USE_STM32_SPI1
+ spiObjectInit(&SPID1);
+ SPID1.spd_spi = SPI1;
+ SPID1.spd_dmarx = DMA1_Channel2;
+ SPID1.spd_dmatx = DMA1_Channel3;
+ RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;
+ GPIOA->CRH = (GPIOA->CRH & 0x000FFFFF) | 0xB4B00000;
+#endif
+
+#if USE_STM32_SPI2
+ spiObjectInit(&SPID2);
+ SPID2.spd_spi = SPI2;
+ SPID2.spd_dmarx = DMA1_Channel4;
+ SPID2.spd_dmatx = DMA1_Channel5;
+ RCC->APB1ENR |= RCC_APB1ENR_SPI2EN;
+ GPIOB->CRL = (GPIOB->CRL & 0x000FFFFF) | 0xB4B00000;
+#endif
}
/**
|