STM32+ucosii设计3人抢答器源程序 -

#include "led.h"
#include "lcd.h"
#include "key.h"
#include "exti_a.h"
#include "sys.h"
#include "includes.h"
#include "stm32f10x.h"
#include "seg.h"
#include "buzz.h"
#define TASK_STK_SIZE 512 //任务堆栈长度
OS_STK TaskStartStk[512]; //定义任务堆栈区//--------------------------------------------------------------------------------------------
RCC_ClocksTypeDef rcc_clocks; //定义一个全局使用的芯片时钟频率结构变量
OS_STK Task_LED1_Stk[TASK_STK_SIZE]; //定义任务堆栈区
OS_STK Task_LED2_Stk[TASK_STK_SIZE]; //定义任务堆栈区
OS_STK Task_LED3_Stk[TASK_STK_SIZE]; //定义任务堆栈区
OS_STK Task_LED4_Stk[TASK_STK_SIZE]; //定义任务堆栈区
OS_STK Task_COUNT_Stk[TASK_STK_SIZE]; //定义任务堆栈区
OS_STK Task_DIS_Stk[TASK_STK_SIZE]; //定义任务堆栈区
INT8U err; //错误类型变量
//--------------------------------------------------------------------------------------------
OS_EVENT *KEY1_Down; //声明KEY1键按下信号量
OS_EVENT *KEY2_Down; //声明KEY2键按下信号量
OS_EVENT *KEY3_Down; //声明KEY3键按下信号量
OS_EVENT *KEY4_Down; //声明KEY4键按下信号量
//--------------------------------------------------------------------------------------------
void TaskStart (void *pdata);
void Task_KEY1 (void *pdata); //声明任务
void Task_KEY2 (void *pdata); //声明任务
void Task_KEY3 (void *pdata); //声明任务
void Task_KEY4 (void *pdata); //声明任务
void Task_COUNT (void *pdata); //声明任务
void Task_DIS (void *pdata); //声明任务
u8 flag=0;
u8 play1=0;
u8 play2=0;
u8 play3=0;
u8 cnt=30;
u8 wflag=0;
void SysTick_Init (void)
{
RCC_GetClocksFreq(&rcc_clocks); //读取系统时钟频率
//设置嘀嗒节拍中断周期为rcc_clocks.HCLK_Frequency/OS_TICKS_PER_SEC(1mS)
//设置嘀嗒节拍中断优先级为最低抢占优先级
SysTick_Config(rcc_clocks.HCLK_Frequency / OS_TICKS_PER_SEC);
}
//--------------------------------------------------------------------------------------------
int main(void)
{
OSInit( ); //初始化uCOS_II
//创建起始任务TaskStart(优先级0)
OSTaskCreate(TaskStart, (void *) 0, &TaskStartStk[512 - 1], 0);
OSStart( ); //启动多任务管理
}
void TaskStart (void *pdata)
{
pdata = pdata;
/*开始:CPU工作参数及外设工作状态初始化*/
//设置优先级分组:抢占优先级3位(8级)和响应优先级1位(2级)
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_3);
//设置向量表的位置和偏移:在FLASH中偏移为0
NVIC_SetVectorTable(NVIC_VectTab_FLASH,0);
SysTick_Init(); //设置uC/OS的时钟
STM3210B_LCD_Init();
LCD_SetTextColor(Black);
LCD_SetBackColor(White);
LCD_Clear(White);
LCD_DisplayStringLine(Line2,"Xuhaipeng");
LCD_DisplayStringLine(Line3,"scorecard");
LCD_DisplayStringLine(Line4,"play1:00");
LCD_DisplayStringLine(Line5,"play2:00");
LCD_DisplayStringLine(Line6,"play3:00");
OSTimeDlyHMSM(0, 0, 0, 200); //等待0.5秒
LED_Init(); //LED输出初始化
LED_Control(LEDALL,0);
Key_Init(); //按键输入初始化
EXTI_InitInit(); //外部中断初始化
STM3210B_SEG_Init();
SEG_DisplayValue(0,0,0);
/*结束:CPU工作参数及外设工作状态初始化*/
/*开始:创建工作任务*/
OSTaskCreate(Task_KEY1, (void *)0, &Task_LED1_Stk[TASK_STK_SIZE - 1], 1);
OSTaskCreate(Task_KEY2, (void *)0, &Task_LED2_Stk[TASK_STK_SIZE - 1], 2);
OSTaskCreate(Task_KEY3, (void *)0, &Task_LED3_Stk[TASK_STK_SIZE - 1], 3);
OSTaskCreate(Task_KEY4, (void *)0, &Task_LED4_Stk[TASK_STK_SIZE - 1], 4);
OSTaskCreate(Task_COUNT, (void *)0, &Task_COUNT_Stk[TASK_STK_SIZE - 1],5);
OSTaskCreate(Task_DIS, (void *)0, &Task_DIS_Stk[TASK_STK_SIZE - 1], 6);
/*结束:创建工作任务*/
/*开始:创建信号量*/
KEY1_Down = OSSemCreate(0); //创建KEY1按下信号量
KEY2_Down = OSSemCreate(0); //创建KEY2按下信号量
KEY3_Down = OSSemCreate(0); //创建KEY3按下信号量
KEY4_Down = OSSemCreate(0); //创建KEY4按下信号量
/*结束:创建信号量*/
OSTaskDel(OS_PRIO_SELF);
}
//--------------------------------------------------------------------------------------------
//KEY1处理任务
void Task_KEY1 (void *pdata)
{
pdata = pdata;
for (;;)
{
OSSemPend(KEY1_Down, 0, &err); //等待键按下消息
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
if (!GPIO_ReadInputDataBit(KEY1_PORT, KEY1_PIN))
{ //如果KYE输入仍为低则确认键按下
LED_Control(LED1,1);//led亮
BuzzOn();
if(flag==1)
{
flag=0;
if(cnt>20)play1=play1+2;
else play1=play1+1;
}
if(play1>=10) wflag=1;
OSTimeDlyHMSM(0, 0, 0, 500); //等待0.5秒
LED_Control(LEDALL,0);
BuzzOff();
}
while (!GPIO_ReadInputDataBit(KEY1_PORT, KEY1_PIN)) //等待键松开
{
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
};
}
}
//--------------------------------------------------------------------------------------------
//KEY2处理任务
void Task_KEY2 (void *pdata)
{
pdata = pdata;
for (;;)
{
OSSemPend(KEY2_Down, 0, &err); //等待键按下消息
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
if (!GPIO_ReadInputDataBit(KEY2_PORT, KEY2_PIN))
{ //如果KYE输入仍为低则确认键按下
LED_Control(LED2,1);//led亮
BuzzOn();
if(flag==1)
{
flag=0;
if(cnt>20)play2=play2+2;
else play2=play2+1;
}
if(play2>=10) wflag=2;
OSTimeDlyHMSM(0, 0, 0, 500); //等待0.5秒
LED_Control(LEDALL,0);
BuzzOff();
}
while (!GPIO_ReadInputDataBit(KEY2_PORT, KEY2_PIN)) //等待键松开
{
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
};
}
}
//--------------------------------------------------------------------------------------------
//KEY3处理任务
void Task_KEY3 (void *pdata)
{
pdata = pdata;
for (;;)
{
OSSemPend(KEY3_Down, 0, &err); //等待键按下消息
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
if (!GPIO_ReadInputDataBit(KEY3_PORT, KEY3_PIN))
{ //如果KYE输入仍为低则确认键按下
LED_Control(LED3,1);//led亮
BuzzOn();
if(flag==1)
{
flag=0;
if(cnt>20)play3=play3+2;
else play3=play3+1;
}
if(play3>=10) wflag=3;
OSTimeDlyHMSM(0, 0, 0, 500); //等待0.5秒
LED_Control(LEDALL,0);
BuzzOff();
}
while (!GPIO_ReadInputDataBit(KEY3_PORT ,KEY3_PIN)) //等待键松开
{
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
};
}
}
//--------------------------------------------------------------------------------------------
//KEY4处理任务
void Task_KEY4(void *pdata)
{
pdata = pdata;
for (;;)
{
OSSemPend(KEY4_Down, 0, &err); //等待键按下消息
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
if (!GPIO_ReadInputDataBit(KEY4_PORT, KEY4_PIN))
{ //如果KYE输入仍为低则确认键按下
LED_Control(LED4,1);//led亮
flag=1;cnt=30;
OSTimeDlyHMSM(0, 0, 0, 500); //等待0.5秒
LED_Control(LEDALL,0);
}
while (!GPIO_ReadInputDataBit(KEY4_PORT ,KEY4_PIN)) //等待键松开
{
OSTimeDlyHMSM(0, 0, 0, 20); //等待20mS
};
}
}
void Task_COUNT(void *pdata)
{
for(;;)
{
if(flag==1) cnt-- ;
OSTimeDlyHMSM(0, 0,1,0);
if(cnt==0) flag=0;
SEG_DisplayValue(0,cnt/10,cnt%10);
}
}
void Task_DIS(void *pdata)
{
u8 str1[20];
u8 str2[20];
for(;;)
{
snprintf((char*)str1, sizeof(str1), "play1:%02d", play1);
snprintf((char*)str2, sizeof(str2), "play2:%02d", play2);
LCD_DisplayStringLine(Line4,str1);
LCD_DisplayStringLine(Line5,str2);
if(wflag==1){
flag=0;
cnt=0;
LCD_DisplayStringLine(Line7,"play1 win");
}else if(wflag==2){
flag=0;
cnt=0;
LCD_DisplayStringLine(Line7,"play2 win");
}else if(wflag==3){
flag=0;
cnt=0;
LCD_DisplayStringLine(Line7,"play3 win");
}
}
}

复制代码