APP下：

配置BD文件：

#define PADS_TCON_CONFIG            Unknown_pad_mux#define PADS_UART2_MODE             Unknown_pad_mux#define PADS_UART3_MODE             Unknown_pad_mux#define PADS_UART4_MODE             UART4_MODE(1)#define PADS_FAST_UART_MODE         Unknown_pad_mux#define PADS_3DLR_MODE              Unknown_pad_mux#define PADS_TTL_MODE            Unknown_pad_mux#define PADS_USBDRVVBUS            Unknown_pad_mux

SW_Config.h 文件 ENABLE_UART2

#ifndef ENABLE_FAVORITE_NETWORK  #if ENABLE_RIKS_TV    #define ENABLE_FAVORITE_NETWORK                 ENABLE#else    #define ENABLE_FAVORITE_NETWORK                 DISABLE  #endif#endif#ifndef ENABLE_UART2    #define ENABLE_UART2                            ENABLE#endif#ifndef ENABLE_ARC_CHANGE_SPDIF#define ENABLE_ARC_CHANGE_SPDIF                     DISABLE#endif#ifndef ENABLE_SUPPORT_MM_PHOTO_4K_2K    #define ENABLE_SUPPORT_MM_PHOTO_4K_2K           DISABLE#endif

drvUartDebug.c

void MDrv_UART2_DebugInit(void){    PrintfUart2(printf("MDrv_UART2_DebugInit()\n"));    // reset Uart variables    MS_U16 u16Res = 0x00;    g_Uart2Command.Index = 0;    g_Uart2CheckTick = 0;    uart2_debug = mdrv_uart_open(E_UART_PIU_UART0);    PrintfUart2(printf("[UART2Init]mdrv_uart_open()>>%u\n", uart2_debug));    u16Res = mdrv_uart_connect(E_UART_PORT3, E_UART_PIU_UART0);    PrintfUart2(printf("[UART2Init]mdrv_uart_connect()>>%u\n", u16Res));...}

 

测试：

drvUartDebug.c

void MDrv_UART_ExecTestCommand(void){    switch( g_UartCommand.Buffer[_UART_CMD_INDEX1_] )    {        case 0x60:            MDrv_UART_ExecUserDefinedCommand();            break;    #if(ENABLE_UART2)      #if(ENABLE_UART2_TEST)        case 0x4B:            printf("[4B]UART2_TXD >> 12345678\n");            MDrv_UART2_TestTXD();            break;      #endif    #endif}

　UART1发送测试命令：

　

UART2接收如下：

　　

 

 

PM下：

 drvGlobal.h

#define UART_SRC_NONE           0#define UART_SRC_AEONR2       1#define UART_SRC_PIUUART0    2#define UART_SRC_PIUUART1    3#define USE_1ST_UART                  UART_SRC_AEONR2//UART_SRC_PIUUART0//UART_SRC_PIUUART1#define USE_2ND_UART                 UART_SRC_PIUUART0 //the 2nd uart#define USE_3RD_UART                  UART_SRC_NONE //the 3rd uart#define USE_1ST_UART_PORT        E_UART_PORT0#define USE_2ND_UART_PORT       E_UART_PORT2#define USE_3RD_UART_PORT       E_UART_PORT_INVALID#define USE_UART_BAUDRATE       115200//38400

 

 测试：

uartdebug.c

void MDrv_UART_ExecTestCommand(void){    U8 ucPara1;    U8 ucPara2;    U8 ucPara3;    ucPara1 = g_UartCommand.Buffer[_UART_CMD_INDEX2_];    ucPara2 = g_UartCommand.Buffer[_UART_CMD_INDEX3_];    ucPara3 = g_UartCommand.Buffer[_UART_CMD_INDEX4_];//    printf(">> MDrv_UART_DecodeExtCommand(%x) \r\n", g_UartCommand.Buffer[_UART_CMD_INDEX1_]);    switch ( g_UartCommand.Buffer[_UART_CMD_INDEX1_] )    {        case 0x4B:            {                MS_U8 u8TXDList[8] = {
   0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38};                mdrv_uart_write(uart2_debug, u8TXDList, 8);                printf("
     
      222\r\n");            }            break;    }}