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[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

This commit is contained in:
liukangcc 2021-10-11 17:12:42 +08:00
parent 24f2ce62ba
commit 3c32e0168d
1 changed files with 8 additions and 2 deletions
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6
bsp/stm32/libraries/HAL_Drivers/drv_spi.c
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@ -293,6 +293,9 @@ 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)) if (message->cs_take && !(device->config.mode & RT_SPI_NO_CS))
{ {
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); HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET);
} }
@ -387,6 +390,9 @@ 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)) if (message->cs_release && !(device->config.mode & RT_SPI_NO_CS))
{ {
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); HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET);
} }