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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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10
bsp/stm32/libraries/HAL_Drivers/drv_spi.c
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@ -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;