/* \version 2022-01-06, V2.2.0, firmware for GD32F3x0 */ #include "gd32f30x.h" #include void gpio_uart_config(void); void usart_config(void); void start_usart0_tx(uint8_t tx_buffer[], uint8_t length); void start_usart1_tx(uint8_t tx_buffer[], uint8_t length); extern uint8_t usart0_tx[]; extern uint8_t usart1_tx[];