#ifndef __UART3_H #define __UART3_H #include "interface.h" #include "queue.h" #include "stm32f4xx_usart.h" #include "string.h" #define UART3_REC_LEN 128 #define UART3_TX_LEN 128 #define UART3_MAX_MSG_NUM 10 #define UART3_DMA DMA_Channel_4 #define UART3_DMA_RXCH DMA1_Stream1 #define UART3_DMA_TXCH DMA1_Stream3 void uart3_init(void); void uart3_dma_send(const uint8_t *buf, uint16_t len); #endif // __UART3_H