usart_dma_send
usart_dma_send
void usart_dma_send(uint8_t* buf, uint16_t size,DMA_Channel_TypeDef *channel)
{
static uint8_t dma_send_buf[512];
while ((channel->CNDTR) != 0);
channel->CCR &= (uint16...
原创
2019-03-08 15:51:14 ·
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