diff options
| author | liukangcc <[email protected]> | 2021-10-11 17:12:42 +0800 |
|---|---|---|
| committer | liukangcc <[email protected]> | 2021-10-11 17:13:33 +0800 |
| commit | 3c32e0168d1ebbac5d6e5749eaf804fc268dd460 (patch) | |
| tree | 97b883f021a9e6ec1e45d8f962a40f91537b53d7 /bsp/stm32 | |
| parent | 24f2ce62ba471fc5a24db0f9af8dd99a59aa5adf (diff) | |
[drv_spi.c] 修复 stm32 drv_spi.c文件中的 spixfer 未实现片选为高电平的 spi 设备
Diffstat (limited to 'bsp/stm32')
| -rw-r--r-- | bsp/stm32/libraries/HAL_Drivers/drv_spi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c index 4e98218c90..4cbf4cf194 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_spi.c +++ b/bsp/stm32/libraries/HAL_Drivers/drv_spi.c @@ -293,7 +293,10 @@ static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message * if (message->cs_take && !(device->config.mode & RT_SPI_NO_CS)) { - HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); + if(device->config.mode & RT_SPI_CS_HIGH) + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); + else + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); } LOG_D("%s transfer prepare and start", spi_drv->config->bus_name); @@ -387,7 +390,10 @@ static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message * if (message->cs_release && !(device->config.mode & RT_SPI_NO_CS)) { - HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); + if(device->config.mode & RT_SPI_CS_HIGH) + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET); + else + HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET); } return message->length; |