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Merge pull request #5140 from liukangcc/uart 

[drivers] add uart dma support for stm32l1
This commit is contained in:
Bernard Xiong 2021-10-12 06:02:59 +08:00 committed by GitHub
parent 2944686dbc 89446f25c7
commit 465f5fa4eb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
bsp/stm32/libraries/HAL_Drivers/drv_usart.c
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@ -885,7 +885,7 @@ static void stm32_dma_config(struct rt_serial_device *serial, rt_ubase_t flag)
{
rt_uint32_t tmpreg = 0x00U;
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0) \
|| defined(SOC_SERIES_STM32L0)|| defined(SOC_SERIES_STM32F3)
|| defined(SOC_SERIES_STM32L0)|| defined(SOC_SERIES_STM32F3) || defined(SOC_SERIES_STM32L1)
/* enable DMA clock && Delay after an RCC peripheral clock enabling*/
SET_BIT(RCC->AHBENR, dma_config->dma_rcc);
tmpreg = READ_BIT(RCC->AHBENR, dma_config->dma_rcc);
@ -919,7 +919,7 @@ static void stm32_dma_config(struct rt_serial_device *serial, rt_ubase_t flag)
__HAL_LINKDMA(&(uart->handle), hdmatx, uart->dma_tx.handle);
}
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32L0)|| defined(SOC_SERIES_STM32F3)
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32L0)|| defined(SOC_SERIES_STM32F3) || defined(SOC_SERIES_STM32L1)
DMA_Handle->Instance = dma_config->Instance;
#elif defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
DMA_Handle->Instance = dma_config->Instance;