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[bsp/hc32] fix uart dma if gcc optimization level is not none

This commit is contained in:
liuchao 2024-11-09 17:17:20 +08:00 committed by GuEe-GUI
parent b6cf07b314
commit 013caf7c4b
2 changed files with 2 additions and 2 deletions
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2
bsp/hc32/libraries/hc32_drivers/drv_usart.c
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@ -35,7 +35,7 @@
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define DMA_CH_REG(reg_base, ch) \
(*(uint32_t *)((uint32_t)(&(reg_base)) + ((ch) * 0x40UL)))
(*(volatile uint32_t *)((uint32_t)(&(reg_base)) + ((ch) * 0x40UL)))
#define DMA_TRANS_SET_CNT(unit, ch) \
(READ_REG32(DMA_CH_REG((unit)->DTCTL0,(ch))) >> DMA_DTCTL_CNT_POS)

2
bsp/hc32/libraries/hc32_drivers/drv_usart_v2.c
View File

@ -35,7 +35,7 @@
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define DMA_CH_REG(reg_base, ch) \
(*(uint32_t *)((uint32_t)(&(reg_base)) + ((ch) * 0x40UL)))
(*(volatile uint32_t *)((uint32_t)(&(reg_base)) + ((ch) * 0x40UL)))
#define DMA_TRANS_SET_CNT(unit, ch) \
(READ_REG32(DMA_CH_REG((unit)->DTCTL0,(ch))) >> DMA_DTCTL_CNT_POS)