uint8_t tx_Data[4]="AT\r\n";uint8_t tx_Data_A[26]="ATFY0K0C0R0S30=64S0=0@L1\r\n";uint8_t tx_Data_B[5]="ATD\r\n";uint8_t rx_Modem0[40];uint8_t rx_Modem1[40];HAL_UART_Transmit(&huart1, tx_Data, 4, 400);//HAL_Delay(500);HAL_UART_Receive(&huart1,rx_Modem...