mini58 power down

只看该作者 · 2017-8-10 10:11

请问一下，关于mini58 在power down模式下如何使用gpio唤醒？

只看该作者 · 2017-8-10 10:28

#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);

}

只看该作者 · 2017-8-27 14:47

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..........

只看该作者 · 2017-8-27 14:51

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..........

1万 · 2017-8-27 16:11

复制

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

 * [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");

    }



}

1万 · 2017-8-27 16:11

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。

1万 · 2017-8-27 16:26

看来这个是时钟很关键啊。

mini58 power down

常驻人口

技术高手奖章

涓涓之细流

湍急之河流

精华达人奖章