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[技术问答] 第一次接触新唐，NANO100请问为什么进不去外部中断

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 楼主| 周大侠的 发表于 2017-11-20 21:21 | 显示全部楼层 |阅读模式
AN, 外部中断, 新唐, gp, IO
uint8_t flagbit=0;


void NVIC_GPIO_Init(void)
{
//        GPIO_SetMode(PA,BIT10|BIT11,GPIO_INT_LOW);//
        GPIO_SetMode(PA,BIT10,GPIO_INT_LOW);//
}
void NVIC_Init(void)
{
        NVIC_GPIO_Init();
        NVIC_EnableIRQ(GPABC_IRQn);//ʹÄÜ
        NVIC_SetPriority(GPABC_IRQn,3);//ÓÅÏȼ¶ÉèÖÃ
}

void GPABC_IRQHandler(void)
{
        if(INIT1_PRES==0)
        {
                Delay_ms(10);
        }
        if(INIT1_PRES)flagbit=1;
        while(INIT1_PRES==0);

        NVIC_ClearPendingIRQ(GPABC_IRQn);


}


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 楼主| 周大侠的 发表于 2017-11-20 21:28 | 显示全部楼层
没有大婶吗
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643757107 发表于 2017-11-21 08:46 | 显示全部楼层
用的哪个型号啊，这个好像分A和B
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643757107 发表于 2017-11-21 08:58 | 显示全部楼层
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  1. /**************************************************************************//**
    

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

  3.  * [url=home.php?mod=space&uid=895143]@version[/url]  V2.10
    

  4.  * $Date: 15/07/20 9:38a $
    

  5.  * [url=home.php?mod=space&uid=247401]@brief[/url]    Use GPIO driver to control the GPIO pin direction and the high/low state,
    

  6.  *           and show how to use GPIO interrupts.
    

  7.  *
    

  8.  * @note
    

  9.  * Copyright (C) 2012 Nuvoton Technology Corp. All rights reserved.
    

  10.  *
    

  11.  ******************************************************************************/
    

  12. #include <stdio.h>
    

  13. #include "nano100series.h"
    


  14. 

  15. /**
    

  16.  * @brief       PortA/PortB/PortC IRQ
    

  17.  *
    

  18.  * @param       None
    

  19.  *
    

  20.  * [url=home.php?mod=space&uid=266161]@return[/url]      None
    

  21.  *
    

  22.  * [url=home.php?mod=space&uid=1543424]@Details[/url]     The PortA/PortB/PortC default IRQ, declared in startup_nano100series.s.
    

  23.  */
    

  24. void GPABC_IRQHandler(void)
    

  25. {
    

  26.     /* To check if PB.5 interrupt occurred */
    

  27.     if (PB->ISRC & BIT5) {
    

  28.         PB->ISRC = BIT5;
    

  29.         PD0 = PD0 ^ 1;
    

  30.         printf("PB.5 INT occurred. \n");
    


  31. 

  32.     } else {
    

  33.         /* Un-expected interrupt. Just clear all PORTA, PORTB, PORTC interrupts */
    

  34.         PA->ISRC = PA->ISRC;
    

  35.         PB->ISRC = PB->ISRC;
    

  36.         PC->ISRC = PC->ISRC;
    

  37.         printf("Un-expected interrupts. \n");
    

  38.     }
    

  39. }
    


  40. 


  41. 

  42. /**
    

  43.  * @brief       PortD/PortE/PortF IRQ
    

  44.  *
    

  45.  * @param       None
    

  46.  *
    

  47.  * @return      None
    

  48.  *
    

  49.  * @details     The PortD/PortE/PortF default IRQ, declared in startup_nano100series.s.
    

  50.  */
    

  51. void GPDEF_IRQHandler(void)
    

  52. {
    

  53.     /* To check if PE.2 interrupt occurred */
    

  54.     if (PE->ISRC & BIT2) {
    

  55.         PE->ISRC = BIT2;
    

  56.         PD0 = PD0 ^ 1;
    

  57.         printf("PE.2 INT occurred. \n");
    

  58.     } else {
    

  59.         /* Un-expected interrupt. Just clear all PORTD, PORTE and PORTF interrupts */
    

  60.         PD->ISRC = PD->ISRC;
    

  61.         PE->ISRC = PE->ISRC;
    

  62.         PF->ISRC = PF->ISRC;
    

  63.         printf("Un-expected interrupts. \n");
    

  64.     }
    

  65. }
    


  66. 


  67. 

  68. /**
    

  69.  * @brief       External INT0 IRQ
    

  70.  *
    

  71.  * @param       None
    

  72.  *
    

  73.  * @return      None
    

  74.  *
    

  75.  * @details     The External INT0(PA.2) default IRQ, declared in startup_nano100series.s.
    

  76.  */
    

  77. void EINT0_IRQHandler(void)
    

  78. {
    

  79.     /* For PB.14, clear the INT flag */
    

  80.     PB->ISRC = BIT14;
    

  81.     PD0 = PD0 ^ 1;
    

  82.     printf("PB.14 EINT0 occurred. \n");
    

  83. }
    


  84. 


  85. 

  86. /**
    

  87.  * @brief       External INT1 IRQ
    

  88.  *
    

  89.  * @param       None
    

  90.  *
    

  91.  * @return      None
    

  92.  *
    

  93.  * @details     The External INT1(PF.2) default IRQ, declared in startup_Nano100series.s.
    

  94.  */
    

  95. void EINT1_IRQHandler(void)
    

  96. {
    

  97.     /* For PB.15, clear the INT flag */
    

  98.     PB->ISRC = BIT15;
    

  99.     PD0 = PD0 ^ 1;
    

  100.     printf("PB.15 EINT1 occurred. \n");
    

  101. }
    


  102. 

  103. void SYS_Init(void)
    

  104. {
    

  105.     /* Unlock protected registers */
    

  106.     SYS_UnlockReg();
    


  107. 

  108.     /* Enable external 12MHz HXT */
    

  109.     CLK_EnableXtalRC(CLK_PWRCTL_HXT_EN_Msk);
    

  110.     CLK_EnablePLL(CLK_PLLCTL_PLL_SRC_HXT, 96000000);
    

  111.     /* Waiting for clock ready */
    

  112.     CLK_WaitClockReady(CLK_CLKSTATUS_HXT_STB_Msk | CLK_CLKSTATUS_PLL_STB_Msk);
    


  113. 

  114.     CLK_SetHCLK(CLK_CLKSEL0_HCLK_S_PLL, CLK_HCLK_CLK_DIVIDER(3));
    


  115. 

  116.     /* Select IP clock source */
    

  117.     CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UART_S_HXT, CLK_UART_CLK_DIVIDER(1));
    

  118.     /* Enable IP clock */
    

  119.     CLK_EnableModuleClock(UART0_MODULE);
    


  120. 

  121.     /*---------------------------------------------------------------------------------------------------------*/
    

  122.     /* Init I/O Multi-function                                                                                 */
    

  123.     /*---------------------------------------------------------------------------------------------------------*/
    

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

  125. //    SYS->PA_H_MFP &= ~( SYS_PA_H_MFP_PA15_MFP_Msk | SYS_PA_H_MFP_PA14_MFP_Msk);
    

  126. //    SYS->PA_H_MFP |= (SYS_PA_H_MFP_PA15_MFP_UART0_TX|SYS_PA_H_MFP_PA14_MFP_UART0_RX);
    

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

  128.     SYS->PB_L_MFP |= (SYS_PB_L_MFP_PB1_MFP_UART0_TX|SYS_PB_L_MFP_PB0_MFP_UART0_RX);
    


  129. 

  130.     /* Lock protected registers */
    

  131.     SYS_LockReg();
    

  132. }
    


  133. 

  134. void UART0_Init(void)
    

  135. {
    

  136.     /* Reset IP */
    

  137.     SYS_ResetModule(UART0_RST);
    

  138.     UART0->BAUD = 0x67;              /* Baud Rate:115200  OSC:12MHz */
    

  139.     UART0->TLCTL = 0x03;             /* Character len is 8 bits */
    

  140. }
    


  141. 

  142. /*---------------------------------------------------------------------------------------------------------*/
    

  143. /* MAIN function                                                                                           */
    

  144. /*---------------------------------------------------------------------------------------------------------*/
    

  145. int main (void)
    

  146. {
    

  147.     int32_t i32Err;
    


  148. 

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

  150.     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.
    


  151. 

  152.     /* Init UART for printf */
    

  153.     UART0_Init();
    


  154. 

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


  156. 

  157.     printf("+--------------------------------------+ \n");
    

  158.     printf("|    NANO100 GPIO Driver Sample Code   | \n");
    

  159.     printf("+--------------------------------------+ \n");
    


  160. 

  161.     /*-----------------------------------------------------------------------------------------------------*/
    

  162.     /* GPIO Basic Mode Test --- Use Pin Data Input/Output to control GPIO pin                              */
    

  163.     /*-----------------------------------------------------------------------------------------------------*/
    

  164.     printf("  >> Please connect PA.0 and PA.1 first << \n");
    

  165.     printf("     Press any key to start test by using [Pin Data Input/Output Control] \n\n");
    

  166.     getchar();
    


  167. 

  168.     /* Configure PA.0 as Output mode and PA.1 as Input mode then close it */
    

  169.     GPIO_SetMode(PA, BIT0, GPIO_PMD_OUTPUT);
    

  170.     GPIO_SetMode(PA, BIT1, GPIO_PMD_INPUT);
    


  171. 

  172.     i32Err = 0;
    

  173.     printf("  GPIO Output/Input test ...... \n");
    


  174. 

  175.     /* Use Pin Data Input/Output Control to pull specified I/O or get I/O pin status */
    

  176.     PA0 = 0;
    

  177.     CLK_SysTickDelay(10);   /* wait for IO stable */
    

  178.     if (PA1 != 0) {
    

  179.         i32Err = 1;
    

  180.     }
    


  181. 

  182.     PA0 = 1;
    

  183.     CLK_SysTickDelay(10);   /* wait for IO stable */
    

  184.     if (PA1 != 1) {
    

  185.         i32Err = 1;
    

  186.     }
    


  187. 

  188.     if ( i32Err ) {
    

  189.         printf("  [FAIL] --- Please make sure PA.0 and PA.1 are connected. \n");
    

  190.     } else {
    

  191.         printf("  [OK] \n");
    

  192.     }
    


  193. 

  194.     /* Configure PA.0 and PA.1 to default Input mode */
    

  195.     GPIO_SetMode(PA, BIT0, GPIO_PMD_INPUT);
    

  196.     GPIO_SetMode(PA, BIT1, GPIO_PMD_INPUT);
    


  197. 


  198. 

  199.     /*-----------------------------------------------------------------------------------------------------*/
    

  200.     /* GPIO Interrupt Function Test                                                                        */
    

  201.     /*-----------------------------------------------------------------------------------------------------*/
    

  202.     printf("\n  GPB5, GPE2, GPB14(EINT0) and GPB15(EINT1) are used to test interrupt\n  and control LED (GPA7)\n");
    


  203. 

  204.     /*Configure PA7 for LED control */
    

  205.     GPIO_SetMode(PA, BIT7, GPIO_PMD_OUTPUT);
    


  206. 

  207.     /* Configure PB5 as Input mode and enable interrupt by rising edge trigger */
    

  208.     GPIO_SetMode(PB, BIT5, GPIO_PMD_INPUT);
    

  209.     GPIO_ENABLE_PULL_UP(PB, BIT5);
    

  210.     GPIO_EnableInt(PB, 5, GPIO_INT_RISING);
    


  211. 

  212.     NVIC_EnableIRQ(GPABC_IRQn);
    


  213. 

  214.     /*  Configure PE2 as Input mode pull-up and enable interrupt by low level trigger */
    

  215.     GPIO_SetMode(PE, BIT2, GPIO_PMD_INPUT);
    

  216.     GPIO_ENABLE_PULL_UP(PE, BIT2);
    

  217.     GPIO_EnableInt(PE, 2, GPIO_INT_LOW);
    


  218. 

  219.     NVIC_EnableIRQ(GPDEF_IRQn);
    


  220. 

  221.     /* Configure PB14 as EINT0 pin and enable interrupt by falling edge trigger */
    

  222.     SYS->PB_H_MFP = (SYS->PB_H_MFP & (~0x07000000)) | 0x01000000;
    

  223.     GPIO_SetMode(PB, BIT14, GPIO_PMD_INPUT);
    

  224.     GPIO_EnableEINT0(PB, 14, GPIO_INT_FALLING);
    

  225.     NVIC_EnableIRQ(EINT0_IRQn);
    


  226. 

  227.     /* Configure PB15 as EINT1 pin and enable interrupt by rising and falling edge trigger */
    

  228.     SYS->PB_H_MFP = (SYS->PB_H_MFP & (~0x70000000)) | 0x10000000;
    

  229.     GPIO_SetMode(PB, BIT15, GPIO_PMD_INPUT);
    

  230.     GPIO_EnableEINT1(PB, 15, GPIO_INT_BOTH_EDGE);
    

  231.     NVIC_EnableIRQ(EINT1_IRQn);
    


  232. 

  233.     /* Enable interrupt de-bounce function and select de-bounce sampling cycle time */
    

  234.     GPIO_SET_DEBOUNCE_TIME(GPIO_DBCLKSRC_HCLK, GPIO_DBCLKSEL_1);
    

  235.     GPIO_ENABLE_DEBOUNCE(PB, BIT5);
    

  236.     GPIO_ENABLE_DEBOUNCE(PE, BIT2);
    

  237.     GPIO_ENABLE_DEBOUNCE(PB, BIT14);
    

  238.     GPIO_ENABLE_DEBOUNCE(PB, BIT15);
    


  239. 

  240.     /* Waiting for interrupts */
    

  241.     while (1);
    


  242. 

  243. }
    


  244. 


  245.
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643757107 发表于 2017-11-21 08:58 | 显示全部楼层
这个是关于所有IO的中断操作例子。。
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zhuotuzi 发表于 2017-11-21 15:21 | 显示全部楼层
根据楼上朋友的例子问题解决了吧。
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wanduzi 发表于 2017-11-21 18:56 | 显示全部楼层
没有配置正确。
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