NANO112系列单片机的内部温度传感器调不通

/**************************************************************************//**

 * [url=home.php?mod=space&uid=288409]@file[/url]     main.c

 * [url=home.php?mod=space&uid=895143]@version[/url]  V1.00

 * $Revision: 11 $

 * $Date: 15/07/14 4:36p $

 * [url=home.php?mod=space&uid=247401]@brief[/url]    Convert ADC channel 0 in Single mode and print conversion results.

 *

 * @note

 * Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.

*****************************************************************************/

#include <stdio.h>

#include "Nano1X2Series.h"



volatile uint8_t u8ADF;



void ADC_IRQHandler(void);



void ADC_IRQHandler(void)

{

    uint32_t u32Flag;



    // Get ADC conversion finish interrupt flag

    u32Flag = ADC_GET_INT_FLAG(ADC, ADC_ADF_INT);



    if(u32Flag & ADC_ADF_INT)

        u8ADF = 1;



    ADC_CLR_INT_FLAG(ADC, u32Flag);

}





/*---------------------------------------------------------------------------------------------------------*/

/* Init System Clock                                                                                       */

/*---------------------------------------------------------------------------------------------------------*/

void SYS_Init(void)

{

    /* Unlock protected registers */

    SYS_UnlockReg();



    /* Set HCLK source form HXT and HCLK source divide 1  */

    CLK_SetHCLK(CLK_CLKSEL0_HCLK_S_HXT,CLK_HCLK_CLK_DIVIDER(1));



    /* Enable external 12MHz HXT, 32KHz LXT and HIRC */

    CLK_EnableXtalRC(CLK_PWRCTL_HXT_EN_Msk | CLK_PWRCTL_LXT_EN_Msk | CLK_PWRCTL_HIRC_EN_Msk);



    /* Waiting for clock ready */

    CLK_WaitClockReady(CLK_CLKSTATUS_HXT_STB_Msk | CLK_CLKSTATUS_LXT_STB_Msk | CLK_CLKSTATUS_HIRC_STB_Msk);



    /*  Set HCLK frequency 32MHz */

    CLK_SetCoreClock(32000000);



    /* Enable IP clock */

    CLK_EnableModuleClock(UART0_MODULE);

    CLK_EnableModuleClock(ADC_MODULE);



    /* Select IP clock source */

    CLK_SetModuleClock(UART0_MODULE,CLK_CLKSEL1_UART_S_HIRC,CLK_UART_CLK_DIVIDER(1));

    CLK_SetModuleClock(ADC_MODULE,CLK_CLKSEL1_ADC_S_HIRC,CLK_ADC_CLK_DIVIDER(5));



    /*---------------------------------------------------------------------------------------------------------*/

    /* Init I/O Multi-function                                                                                 */

    /*---------------------------------------------------------------------------------------------------------*/

    /* Set PA multi-function pins for UART0 RXD and TXD */

    SYS->PB_L_MFP &= ~( SYS_PB_L_MFP_PB0_MFP_Msk | SYS_PB_L_MFP_PB1_MFP_Msk);

    SYS->PB_L_MFP |= (SYS_PB_L_MFP_PB0_MFP_UART0_TX | SYS_PB_L_MFP_PB1_MFP_UART0_RX );



    /* Set PB multi-function pins for Clock Output */

    SYS->PB_H_MFP = ( SYS->PB_H_MFP & ~SYS_PB_H_MFP_PB12_MFP_Msk ) |  SYS_PB_H_MFP_PB12_MFP_CKO0;



    /* Set PA.0 multi-function pin for ADC channel 0 */

    SYS->PA_L_MFP = (SYS->PA_L_MFP & ~SYS_PA_L_MFP_PA0_MFP_Msk) | SYS_PA_L_MFP_PA0_MFP_ADC_CH0;



    /* Disable PA.0 digital input path */

    PA->OFFD |= ((1 << 0) << GP_OFFD_OFFD_Pos);



    /* Lock protected registers */

    SYS_LockReg();

}





void UART0_Init(void)

{

    /*---------------------------------------------------------------------------------------------------------*/

    /* Init UART                                                                                               */

    /*---------------------------------------------------------------------------------------------------------*/

    /* Reset IP */

    SYS_ResetModule(UART0_RST);



    /* Configure UART0 and set UART0 Baudrate */

    UART_Open(UART0, 115200);

}



int32_t main (void)

{

    uint32_t u32Result;



    /* Init System, IP clock and multi-function I/O

       In the end of SYS_Init() will issue SYS_LockReg()

       to lock protected register. If user want to write

       protected register, please issue SYS_UnlockReg()

       to unlock protected register if necessary */

    SYS_Init();



    /* Init UART0 for printf */

    UART0_Init();



    printf("\n\nCPU [url=home.php?mod=space&uid=72445]@[/url] %dHz\n", SystemCoreClock);



    printf("\nThis sample code demonstrate ADC single mode conversion\n");

    printf("It convert channel 0 and print conversion result\n");



    // Enable channel 0

    ADC_Open(ADC, ADC_INPUT_MODE_SINGLE_END, ADC_OPERATION_MODE_SINGLE, ADC_CH_0_MASK);



    // Set reference voltage to AVDD

    ADC_SET_REF_VOLTAGE(ADC, ADC_REFSEL_POWER);



    // Power on ADC

    ADC_POWER_ON(ADC);



    // Enable ADC ADC_IF interrupt

    ADC_EnableInt(ADC, ADC_ADF_INT);

    NVIC_EnableIRQ(ADC_IRQn);



    u8ADF = 0;



    ADC_START_CONV(ADC);



    while (u8ADF == 0);



    u32Result = ADC_GET_CONVERSION_DATA(ADC, 0);

    printf("Channel 0 conversion result is 0x%x\n",u32Result);



    ADC_DisableInt(ADC, ADC_ADF_INT);



    while(1);



}



/*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/