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mini58 power down

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[积木]|  楼主 | 2017-8-10 10:11 | 显示全部楼层 |阅读模式
请问一下,关于mini58 在power down模式下如何使用gpio唤醒?
a_ziliu| | 2017-8-10 10:28 | 显示全部楼层
#include <stdio.h>
#include "Mini58Series.h"
#include "GPIO.h"

/**
* @brief       Port0/Port1 IRQ
*
* @param       None
*
* @return      None
*
* @Details     The Port0/Port1 default IRQ, declared in startup_Mini58.s.
*/
void GPIO01_IRQHandler(void)
{
    /* To check if P1.5 interrupt occurred */
    if (P1->INTSRC & BIT5) {
        P1->INTSRC = BIT5;
        P30 = P30 ^ 1;
        printf("P1.5 INT occurred. \n");

    } else {
        /* Un-expected interrupt. Just clear all PORT0, PORT1 interrupts */
        P0->INTSRC = P0->INTSRC;
        P1->INTSRC = P1->INTSRC;
        printf("Un-expected interrupts. \n");
    }
}


/**
* @brief       Port2/Port3/Port4 IRQ
*
* @param       None
*
* @return      None
*
* @details     The Port2/Port3/Port4 default IRQ, declared in startup_Mini58.s.
*/
void GPIO234_IRQHandler(void)
{
    /* To check if P2.2 interrupt occurred */
    if (P2->INTSRC & BIT2) {
        P2->INTSRC = BIT2;
        P30 = P30 ^ 1;
        printf("P2.2 INT occurred. \n");
    } else {
        /* Un-expected interrupt. Just clear all PORT2, PORT3 and PORT4 interrupts */
        P2->INTSRC = P2->INTSRC;
        P3->INTSRC = P3->INTSRC;
        P4->INTSRC = P4->INTSRC;
        printf("Un-expected interrupts. \n");
    }
}


/**
* @brief       External INT0 IRQ
*
* @param       None
*
* @return      None
*
* @details     The External INT0(P3.2) default IRQ, declared in startup_Mini58.s.
*/
void EINT0_IRQHandler(void)
{
    /* For P3.2, clear the INT flag */
    P3->INTSRC = BIT2;
    P30 = P30 ^ 1;
    printf("P3.2 EINT0 occurred. \n");
}


/**
* @brief       External INT1 IRQ
*
* @param       None
*
* @return      None
*
* @details     The External INT1(P5.2) default IRQ, declared in startup_Mini58.s.
*/
void EINT1_IRQHandler(void)
{
    /* For P5.2, clear the INT flag */
    P5->INTSRC = BIT2;
    P30 = P30 ^ 1;
    printf("P5.2 EINT1 occurred. \n");
}

void SYS_Init(void)
{
    /* Unlock protected registers */
    SYS_UnlockReg();

    /* Set P5 multi-function pins for XTAL1 and XTAL2 */
    SYS->P5_MFP &= ~(SYS_MFP_P50_Msk | SYS_MFP_P51_Msk);
    SYS->P5_MFP |= (SYS_MFP_P50_XT1_IN | SYS_MFP_P51_XT1_OUT);

    /*---------------------------------------------------------------------------------------------------------*/
    /* Init System Clock                                                                                       */
    /*---------------------------------------------------------------------------------------------------------*/

    /* Enable external 12MHz XTAL, HIRC */
    CLK->PWRCTL |= CLK_PWRCTL_XTL12M | CLK_PWRCTL_HIRCEN_Msk;

    /* Waiting for clock ready */
    CLK_WaitClockReady(CLK_STATUS_XTLSTB_Msk | CLK_STATUS_HIRCSTB_Msk);

    /* Switch HCLK clock source to XTL */
    CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_XTAL,CLK_CLKDIV_HCLK(1));

    /* STCLK to XTL STCLK to XTL */
    CLK_SetSysTickClockSrc(CLK_CLKSEL0_STCLKSEL_XTAL);

    /* Enable IP clock */
    CLK_EnableModuleClock(UART0_MODULE);

    /* Select IP clock source */
    CLK_SetModuleClock(UART0_MODULE,CLK_CLKSEL1_UARTSEL_XTAL,CLK_CLKDIV_UART(1));

    /*---------------------------------------------------------------------------------------------------------*/
    /* Init I/O Multi-function                                                                                 */
    /*---------------------------------------------------------------------------------------------------------*/
    /* Set P1 multi-function pins for UART RXD, TXD */
    SYS->P1_MFP = SYS_MFP_P12_UART0_RXD | SYS_MFP_P13_UART0_TXD;

    /* Set P3 multi-function pins for Clock Output */
    SYS->P3_MFP = SYS_MFP_P36_CLKO;

    /* To update the variable SystemCoreClock */
    SystemCoreClockUpdate();

    /* Lock protected registers */
    SYS_LockReg();
}

void UART_Init(void)
{
    /*---------------------------------------------------------------------------------------------------------*/
    /* Init UART                                                                                               */
    /*---------------------------------------------------------------------------------------------------------*/
    /* Reset IP */
    SYS_ResetModule(SYS_IPRST1_UART0RST_Msk);

    /* Configure UART and set UART Baudrate */
    UART_Open(UART0, 115200);

}
void PowerDownFunction(void)
{
    /* Check if all the debug messages are finished */
    UART_WAIT_TX_EMPTY(UART0);

    /* Enable Power-down mode wake-up interrupt */
    CLK->PWRCTL |= CLK_PWRCTL_PDWKIEN_Msk;

    /* Enter to Power-down mode */
    CLK_PowerDown();

}


/*---------------------------------------------------------------------------------------------------------*/
/* MAIN function                                                                                           */
/*---------------------------------------------------------------------------------------------------------*/
int main (void)
{
    int32_t i32Err;

    /* Init System, IP clock and multi-function I/O */
    SYS_Init(); //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.

    /* Init UART for printf */
    UART_Init();

    printf("\n\nCPU @ %dHz\n", SystemCoreClock);

    printf("+-------------------------------------+ \n");
    printf("|    Mini58 GPIO Driver Sample Code  | \n");
    printf("+-------------------------------------+ \n");

    /*-----------------------------------------------------------------------------------------------------*/
    /* GPIO Basic Mode Test --- Use Pin Data Input/Output to control GPIO pin                              */
    /*-----------------------------------------------------------------------------------------------------*/
    printf("  >> Please connect P1.0 and P3.4 first << \n");
    printf("     Press any key to start test by using [Pin Data Input/Output Control] \n\n");
    getchar();

    /* Configure P1.0 as Output mode and P3.4 as Input mode then close it */
    GPIO_SetMode(P1, BIT0, GPIO_MODE_OUTPUT);
    GPIO_SetMode(P3, BIT4, GPIO_MODE_INPUT);

    i32Err = 0;
    printf("  GPIO Output/Input test ...... \n");

    /* Use Pin Data Input/Output Control to pull specified I/O or get I/O pin status */
    P10 = 0;
    if (P34 != 0) {
        i32Err = 1;
    }

    P10 = 1;
    if (P34 != 1) {
        i32Err = 1;
    }

    if ( i32Err ) {
        printf("  [FAIL] --- Please make sure P1.0 and P3.4 are connected. \n");
    } else {
        printf("  [OK] \n");
    }

    /* Configure P1.0 and P3.4 to default Quasi-bidirectional mode */
    GPIO_SetMode(P1, BIT0, GPIO_MODE_QUASI);
    GPIO_SetMode(P3, BIT4, GPIO_MODE_QUASI);


    /*-----------------------------------------------------------------------------------------------------*/
    /* GPIO Interrupt Function Test                                                                        */
    /*-----------------------------------------------------------------------------------------------------*/
    printf("\n  P15, P22, P32(INT0) and P52(INT1) are used to test interrupt\n  and control LEDs(P30)\n");

    /*Configure P30 for LED control */
    GPIO_SetMode(P3, BIT0, GPIO_MODE_OUTPUT);

    /* Configure P1.5 as Input mode and enable interrupt by rising edge trigger */
    GPIO_SetMode(P1, BIT5, GPIO_MODE_INPUT);
    GPIO_EnableInt(P1, 5, GPIO_INT_RISING);
    NVIC_EnableIRQ(GPIO01_IRQn);


    /*  Configure P2.2 as Quasi-bidirection mode and enable interrupt by falling edge trigger */
    GPIO_SetMode(P2, BIT2, GPIO_MODE_QUASI);
    GPIO_EnableInt(P2, 2, GPIO_INT_FALLING);
    NVIC_EnableIRQ(GPIO234_IRQn);

    /* Configure P3.2 as EINT0 pin and enable interrupt by falling edge trigger */
    GPIO_SetMode(P3, BIT2, GPIO_MODE_INPUT);
    GPIO_EnableEINT0(P3, 2, GPIO_INT_FALLING);
    NVIC_EnableIRQ(EINT0_IRQn);

    /* Configure P5.2 as EINT1 pin and enable interrupt by rising and falling edge trigger */
    GPIO_SetMode(P5, BIT2, GPIO_MODE_INPUT);
    GPIO_EnableEINT1(P5, 2, GPIO_INT_BOTH_EDGE);
    NVIC_EnableIRQ(EINT1_IRQn);

    /* Enable interrupt de-bounce function and select de-bounce sampling cycle time */
    GPIO_SET_DEBOUNCE_TIME(GPIO_DBCTL_DBCLKSRC_HCLK, GPIO_DBCTL_DBCLKSEL_1);
    GPIO_ENABLE_DEBOUNCE(P1, BIT5);
    GPIO_ENABLE_DEBOUNCE(P2, BIT2);
    GPIO_ENABLE_DEBOUNCE(P3, BIT2);
    GPIO_ENABLE_DEBOUNCE(P5, BIT2);
/* Unlock protected registers before setting Brown-out detector function and Power-down mode */
    SYS_UnlockReg();
    /* Enter to Power-down mode */
    PowerDownFunction();

    /* Waiting for interrupts */
    while (1);

}

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magic2004301| | 2017-8-27 14:47 | 显示全部楼层
请问大神,CPU时钟是HIRC,能否进入断电模式?我直接调用CLK_PowerDown函数后发现程序还在运行..........

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magic2004301| | 2017-8-27 14:51 | 显示全部楼层
a_ziliu 发表于 2017-8-10 10:28
#include
#include "Mini58Series.h"
#include "GPIO.h"

请问大神,CPU时钟是HIRC,能否进入断电模式?我直接调用CLK_PowerDown函数后发现程序还在运行..........

使用特权

评论回复
mintspring| | 2017-8-27 16:11 | 显示全部楼层
/**************************************************************************//**
* [url=home.php?mod=space&uid=288409]@file[/url]     main.c
* [url=home.php?mod=space&uid=895143]@version[/url]  V2.10
* $Date: 15/10/12 8:06p $
* [url=home.php?mod=space&uid=247401]@brief[/url]    Show how to wake up system from Power-down mode by GPIO interrupt.
*
* @note
* Copyright (C) 2012 Nuvoton Technology Corp. All rights reserved.
*
******************************************************************************/
#include <stdio.h>
#include "mini51series.h"
#include "GPIO.h"

/**
* @brief       Port0/Port1 IRQ
*
* @param       None
*
* [url=home.php?mod=space&uid=266161]@return[/url]      None
*
* [url=home.php?mod=space&uid=1543424]@Details[/url]     The Port0/Port1 default IRQ, declared in startup_Mini51.s.
*/
void GPIO01_IRQHandler(void)
{
    /* To check if P1.5 interrupt occurred */
    if (P1->ISRC & BIT5) {
        P1->ISRC = BIT5;
        printf("P1.5 INT occurred. \n");

    } else {
        /* Un-expected interrupt. Just clear all PORT0, PORT1 interrupts */
        P0->ISRC = P0->ISRC;
        P1->ISRC = P1->ISRC;
        printf("Un-expected interrupts. \n");
    }
}



void SYS_Init(void)
{
    /* Unlock protected registers */
    SYS_UnlockReg();

    /*---------------------------------------------------------------------------------------------------------*/
    /* Init System Clock                                                                                       */
    /*---------------------------------------------------------------------------------------------------------*/

    /* Set P5.0 and P5.1 -> XTAL  */
    SYS->P5_MFP &= ~(SYS_MFP_P50_Msk | SYS_MFP_P51_Msk);
    SYS->P5_MFP |= (SYS_MFP_P50_XTAL1 | SYS_MFP_P51_XTAL2);

    /* Enable external 12MHz XTAL, internal 22.1184MHz */
    CLK->PWRCON |= CLK_PWRCON_XTL12M | CLK_PWRCON_IRC22M_EN_Msk;

    /* Waiting for clock ready */
    CLK_WaitClockReady(CLK_CLKSTATUS_XTL_STB_Msk | CLK_CLKSTATUS_IRC22M_STB_Msk);

    /* Switch HCLK clock source to XTL */
    CLK_SetHCLK(CLK_CLKSEL0_HCLK_S_XTAL,CLK_CLKDIV_HCLK(1));

    /* STCLK to XTL STCLK to XTL */
    CLK_SetSysTickClockSrc(CLK_CLKSEL0_STCLK_S_XTAL);

    /* Enable IP clock */
    CLK_EnableModuleClock(UART_MODULE);

    /* Select IP clock source */
    CLK_SetModuleClock(UART_MODULE,CLK_CLKSEL1_UART_S_XTAL,CLK_CLKDIV_UART(1));

    /*---------------------------------------------------------------------------------------------------------*/
    /* Init I/O Multi-function                                                                                 */
    /*---------------------------------------------------------------------------------------------------------*/
    /* Set P0 multi-function pins for UART RXD and TXD */
    SYS->P0_MFP &= ~(SYS_MFP_P01_Msk | SYS_MFP_P00_Msk);
    SYS->P0_MFP |= (SYS_MFP_P01_RXD | SYS_MFP_P00_TXD);

    /* Set P3 multi-function pins for Clock Output */
    SYS->P3_MFP = SYS_MFP_P36_CKO;

    /* To update the variable SystemCoreClock */
    SystemCoreClockUpdate();

    /* Lock protected registers */
    SYS_LockReg();
}

void UART_Init(void)
{
    /*---------------------------------------------------------------------------------------------------------*/
    /* Init UART                                                                                               */
    /*---------------------------------------------------------------------------------------------------------*/
    /* Reset IP */
    SYS_ResetModule(SYS_IPRSTC2_UART_RST_Msk);

    /* Configure UART and set UART Baudrate */
    UART_Open(UART, 115200);

}

/*---------------------------------------------------------------------------------------------------------*/
/* MAIN function                                                                                           */
/*---------------------------------------------------------------------------------------------------------*/
int main (void)
{

    /* Init System, IP clock and multi-function I/O */
    SYS_Init(); //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.

    /* Init UART for printf */
    UART_Init();

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

    printf("+--------------------------------------+ \n");
    printf("|    MINI51 GPIO Wake-up Sample Code   | \n");
    printf("+--------------------------------------+ \n");

    /* Configure P1.5 as Input mode and enable interrupt by rising edge trigger */
    GPIO_SetMode(P1, BIT5, GPIO_PMD_INPUT);
    GPIO_EnableInt(P1, 5, GPIO_INT_RISING);
    NVIC_EnableIRQ(GPIO01_IRQn);

    /* Waiting for interrupts */
    while (1) {
        printf("Enter to Power-Down ......\n");
        while(!UART_IS_TX_EMPTY(UART0));
        CLK_PowerDown();
        printf("System waken-up done.\n\n");
    }

}

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mintspring| | 2017-8-27 16:11 | 显示全部楼层
去下载官方的BSP,里面有这个例子。还有非常多,你不要自己摸索了,慢,参考参考,快。

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天灵灵地灵灵| | 2017-8-27 16:26 | 显示全部楼层
看来这个是时钟很关键啊。

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