stm8s003单片机外部中断和串口例程 iar工程文件 -

/* Includes ------------------------------------------------------------------*/
#include "stm8s.h"
#include "LED.h"
/* Private defines -----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
#define IWDG_500MS_REST (uint8_t)250
//#define IWDG_400MS_REST (uint8_t)200
//#define IWDG_300MS_REST (uint8_t)150
//#define IWDG_250MS_REST (uint8_t)125
//#define IWDG_200MS_REST (uint8_t)100
//#define IWDG_100MS_REST (uint8_t)50
//#define IWDG_50MS_REST (uint8_t)25
//#define IWDG_4MS_REST (uint8_t)2
//void Send(uint8_t dat);
uint8_t cmd[132]={0x26,0x26,0x84,0x00,0x0B,0x40,0x26,0x01,0x31,0x32,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x31,0x32,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x35,0x30,0x35,0x32,
0x35,0x31,0x39,0x38,0x32,0x31,0x32,0x30,0x33,0x33,0x35,0x31,0x39,0x07,0xE4,0x0A,0x09,0x29,
0x0B,0x27,0x15,0x39,0x2C,0x00,0x00,0x02,0x31,0x32,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0xC8,0x00,0x0D,0x0A};
void Delay(uint16_t nCount)
{
/* Decrement nCount value */
while (nCount != 0)
{
nCount--;
}
}
void Init_UART1(void)
{
UART1_DeInit();
UART1_Init((u32)115200, UART1_WORDLENGTH_8D, UART1_STOPBITS_1, UART1_PARITY_NO, UART1_SYNCMODE_CLOCK_DISABLE, UART1_MODE_TXRX_ENABLE);
UART1_ITConfig(UART1_IT_RXNE_OR, ENABLE);
// UART1_Cmd(ENABLE);
}
void Send(uint8_t dat)
{
while(( UART1_GetFlagStatus(UART1_FLAG_TXE)==RESET));
UART1_SendData8(dat);
}
void send_cmd(uint8_t *cmd,uint8_t len)
{ uint8_t i;
for(i=0;i<len;i++)
{
Send(cmd[i]);
}
}
void main(void)
{
uint8_t i=0;
/* Initialize I/Os in Output Mode */
CLK_DeInit();
CLK_HSICmd(ENABLE);//启用内部高速振荡器(HSI?16MHz)?
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);//主时钟=16MHZ/1=16MHz?
CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV1);//CPU时钟=主时钟/1=18MHZ
GPIO_Init(LED_GPIO_PORT, (GPIO_Pin_TypeDef)LED_GPIO_PINS, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_Init(KEY_GPIO_PORT, (GPIO_Pin_TypeDef)KEY_GPIO_PINS, GPIO_MODE_IN_PU_IT );
EXTI_SetExtIntSensitivity((EXTI_Port_TypeDef)EXTI_PORT_GPIOD, EXTI_SENSITIVITY_FALL_LOW);
ITC_SetSoftwarePriority(ITC_IRQ_PORTD, ITC_PRIORITYLEVEL_2); //开启中断，中断优先级设置为高 button = higher sw priority
// GPIO_WriteHigh(KEY_GPIO_PORT, KEY_GPIO_PINS);
//CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
Init_UART1();
enableInterrupts();
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
Delay(0xffff);
//enableInterrupts();
//enableInterrupts();
//Init_UART1();
IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);//同意操作独立看门狗
IWDG_SetPrescaler(IWDG_Prescaler_128);//看门狗预分频
IWDG_SetReload(IWDG_500MS_REST);//设置看门狗复位时间
IWDG_Enable();//启动独立看门狗
//send_cmd(cmd,132);
//enableInterrupts();
/* Infinite loop */
while (1)
{
GPIO_WriteHigh(LED_GPIO_PORT, LED_GPIO_PINS);
IWDG_ReloadCounter();//看门狗复位正常使用时不想发生看门狗复位，就运行
// GPIO_WriteHigh(KEY_GPIO_PORT, KEY_GPIO_PINS);
/*
if(((GPIOD->IDR & (uint8_t)KEY_GPIO_PINS) ? SET : RESET)==RESET)
{
GPIO_WriteLow(LED_GPIO_PORT, LED_GPIO_PINS);
Delay(0xff);
if(((GPIOD->IDR & (uint8_t)KEY_GPIO_PINS) ? SET : RESET)==RESET)
{
send_cmd(cmd,132);
}
Delay(0xffff);
Delay(0xffff);
}
//GPIO_WriteHigh(KEY_GPIO_PORT, KEY_GPIO_PINS);
*/
}
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval : None
*/
void assert_failed(u8* file, u32 line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

复制代码