本帖最后由 wlm3000 于 2023-9-24 19:29 编辑
/******************************************************************************
* Copyright (C) 2016, Xiaohua Semiconductor Co.,Ltd All rights reserved.
*
* This software is owned and published by:
* Xiaohua Semiconductor Co.,Ltd ("XHSC").
*
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
*
* This software contains source code for use with XHSC
* components. This software is licensed by XHSC to be adapted only
* for use in systems utilizing XHSC components. XHSC shall not be
* responsible for misuse or illegal use of this software for devices not
* supported herein. XHSC is providing this software "AS IS" and will
* not be responsible for issues arising from incorrect user implementation
* of the software.
*
* Disclaimer:
* XHSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
* WARRANTY OF NONINFRINGEMENT.
* XHSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
* SAVINGS OR PROFITS,
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
* FROM, THE SOFTWARE.
*
* This software may be replicated in part or whole for the licensed use,
* with the restriction that this Disclaimer and Copyright notice must be
* included with each copy of this software, whether used in part or whole,
* at all times.
*/
/******************************************************************************/
/** \file main.c
**
** A detailed description is available at
** @link Sample Group Some description @endlink
**
** - 2016-02-16 1.0 XYZ First version for Device Driver Library of Module.
**
******************************************************************************/
/******************************************************************************
* Include files
******************************************************************************/
#include "gpio.h"
/******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
/******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
typedef struct {
uint8_t u8Port;
uint8_t u8Pin;
}stc_gpio_list_t;
/******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/******************************************************************************
* Local variable definitions ('static') *
******************************************************************************/
const stc_gpio_list_t gGpiolist[] =
{
/*{ 0, 0 }, */{ 0, 1 }, { 0, 2 }, /*{ 0, 3 },*/
{ 1, 4 }, { 1, 5 },
{ 2, 3 }, { 2, 4 }, { 2, 5 }, { 2, 6 },
{ 2, 7 },
{ 3, 1 },
{ 3, 2 }, { 3, 3 }, { 3, 4 }, { 3, 5 }, { 3, 6 },
};
/******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define TEST_PORT (1)
#define TEST_PIN (5)
#define SK_SW2_INIT() Gpio_InitIO(3, 3, GpioDirIn)
#define SK_SW2_GET() Gpio_GetIO(3,3)
#define NextStep() { while (TRUE == Gpio_GetIO(3,3));\
delay1ms(200);\
}
#define SK_LED_INIT() Gpio_InitIO(1, 5, GpioDirOut)
#define SK_LED_SET(x) Gpio_SetIO(1,5,(x))
/*****************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
* \brief Gpio_IRQHandler
* any interrput blinking a led.
*
* \param [in] u8Param port index
* \retval void
*/
void Gpio_IRQHandler(uint8_t u8Param)
{
*((uint32_t *)((uint32_t)&M0P_GPIO->P3ICLR + u8Param * 0x40)) = 0;
SK_LED_SET(0);
delay1ms(500);
SK_LED_SET(1);
delay1ms(500);
}
/**
******************************************************************************
** \brief Main function of project
**
** \return uint32_t return value, if needed
**
** This sample
**
******************************************************************************/
int32_t main(void)
{
//SW2 控制程序继续运行
SK_SW2_INIT();
NextStep();
//GPIO初始化，配置P15为输出，外接LED
Gpio_InitIO(TEST_PORT, TEST_PIN, GpioDirOut);
Gpio_SetIO(TEST_PORT, TEST_PIN, TRUE);
//初始化外部IO P33
Gpio_InitIOExt(3, 3, GpioDirIn, TRUE, FALSE, FALSE, 0);
//开启GPIO中断
Gpio_ClearIrq(3, 3);
//Gpio_EnableIrq(3, 3, GpioIrqRising);
Gpio_EnableIrq(3, 3, GpioIrqFalling);
EnableNvic(PORT3_IRQn, DDL_IRQ_LEVEL_DEFAULT, TRUE);
while (1);
}
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
这个是官方GPIO中断例程，按键触发中断后，会一直不断的进入中断，不知道怎样改，使每次触发中断后，只产生一次中断。
程序中设置的是下降沿中断，照理应该只产生一次中断。
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