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unsigned char LCD_ID_11[16] = {" Huan Ying "}; unsigned char LCD_ID_22[16] = {" Shi Bai "}; unsigned char LCD_ID_33[16] = {"

stm32串口1和串口3数据互通，经测试同时发256字节不丢包voidusart3_init(u32bound){NVIC_InitTypeDefNVIC_InitStructure;GPIO_InitTypeDefGPIO_InitStructure;USART_InitTypeDefUSART_