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Merge pull request #5143 from liukangcc/spi

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guo
2021-10-12 10:11:25 +08:00
committed by GitHub
parent 0f8c465352 93792b2c84
commit f5f944897e
1 changed files with 8 additions and 2 deletions
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bsp/stm32/libraries/HAL_Drivers/drv_spi.c
+8 -2
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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;