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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
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GPG Key ID: 4AEE18F83AFDEB23
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)) 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); 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)) 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; return message->length;