[G32R] 【G32R501 Micro-EVB测评】2，添加printf打印函数，使调试更方便。

    // UARTA -> myUART0 Pinmux

    //

    GPIO_setPinConfig(myUART0_UARTRX_PIN_CONFIG);

    GPIO_setDrivingCapability(myUART0_UARTRX_GPIO,GPIO_DRIVE_LEVEL_VERY_HIGH);

    GPIO_setPadConfig(myUART0_UARTRX_GPIO, GPIO_PIN_TYPE_STD | GPIO_PIN_TYPE_PULLUP);

    GPIO_setQualificationMode(myUART0_UARTRX_GPIO, GPIO_QUAL_ASYNC);



    GPIO_setPinConfig(myUART0_UARTTX_PIN_CONFIG);

    GPIO_setDrivingCapability(myUART0_UARTTX_GPIO,GPIO_DRIVE_LEVEL_VERY_HIGH);

    GPIO_setPadConfig(myUART0_UARTTX_GPIO, GPIO_PIN_TYPE_STD | GPIO_PIN_TYPE_PULLUP);

    GPIO_setQualificationMode(myUART0_UARTTX_GPIO, GPIO_QUAL_ASYNC);

void UART_init()

{

    //myUART0 initialization

    UART_clearInterruptStatus(myUART0_BASE, UART_INT_TXFF | UART_INT_RXFF | UART_INT_RXERR | UART_INT_RXRDY_BRKDT | UART_INT_TXRDY | UART_INT_FE | UART_INT_OE | UART_INT_PE);

    UART_clearOverflowStatus(myUART0_BASE);



    UART_resetTxFIFO(myUART0_BASE);

    UART_resetRxFIFO(myUART0_BASE);

    UART_resetChannels(myUART0_BASE);



    UART_setConfig(myUART0_BASE, DEVICE_LSPCLK_FREQ, myUART0_BAUDRATE, (UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE | UART_CONFIG_PAR_NONE));

    UART_disableLoopback(myUART0_BASE);

    UART_performSoftwareReset(myUART0_BASE);

    UART_setFIFOInterruptLevel(myUART0_BASE, UART_FIFO_TX0, UART_FIFO_RX0);

    UART_enableFIFO(myUART0_BASE);

    UART_enableModule(myUART0_BASE);

}

// UARTA_RX - GPIO Settings

//

#define GPIO_PIN_UARTA_RX 28

#define myUART0_UARTRX_GPIO 28

#define myUART0_UARTRX_PIN_CONFIG GPIO_28_UARTA_RX

//

// UARTA_TX - GPIO Settings

//

#define GPIO_PIN_UARTA_TX 29

#define myUART0_UARTTX_GPIO 29

#define myUART0_UARTTX_PIN_CONFIG GPIO_29_UARTA_TX

#include <stdio.h>

#include <stdint.h>

#include <stddef.h>

#include "board.h"

#include "uart.h"



int fputc(int ch, FILE *f)

{

    uint8_t c = (uint8_t)ch;

    UART_writeCharArray(myUART0_BASE, &c, 1);

    return ch;

}



/* GCC/newlib: 提供 _write，以便 printf 重定向 */

#if 1

int _write(int fd, const void *buf, int count)

{

    (void)fd;

    if (buf == NULL || count <= 0) return 0;

    UART_writeCharArray(myUART0_BASE, (const uint8_t *)buf, (uint32_t)count);

    return count;

}

#endif