diff options
Diffstat (limited to 'docs/drivers/spi.md')
-rw-r--r-- | docs/drivers/spi.md | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/docs/drivers/spi.md b/docs/drivers/spi.md index ddc35de851..43d2a056d5 100644 --- a/docs/drivers/spi.md +++ b/docs/drivers/spi.md @@ -32,20 +32,27 @@ You may use more than one slave select pin, not just the `SS` pin. This is usefu You'll need to determine which pins can be used for SPI -- as an example, STM32 parts generally have multiple SPI peripherals, labeled SPI1, SPI2, SPI3 etc. -To enable SPI, modify your board's `halconf.h` to enable SPI: +To enable SPI, modify your board's `halconf.h` to enable SPI, then modify your board's `mcuconf.h` to enable the peripheral you've chosen: -```c -#define HAL_USE_SPI TRUE -#define SPI_USE_WAIT TRUE -#define SPI_SELECT_MODE SPI_SELECT_MODE_PAD +::: code-group +```c [halconf.h] +#pragma once + +#define HAL_USE_SPI TRUE // [!code focus] +#define SPI_USE_WAIT TRUE // [!code focus] +#define SPI_SELECT_MODE SPI_SELECT_MODE_PAD // [!code focus] + +#include_next <halconf.h> ``` +```c [mcuconf.h] +#pragma once -Then, modify your board's `mcuconf.h` to enable the peripheral you've chosen, for example: +#include_next <mcuconf.h> -```c -#undef STM32_SPI_USE_SPI2 -#define STM32_SPI_USE_SPI2 TRUE +#undef STM32_SPI_USE_SPI2 // [!code focus] +#define STM32_SPI_USE_SPI2 TRUE // [!code focus] ``` +::: Configuration-wise, you'll need to set up the peripheral as per your MCU's datasheet -- the defaults match the pins for a Proton-C, i.e. STM32F303. |