mini板下载ucosii调用任务问题

辉常可乐 · 发表于 2017-4-22 11:05:59

本帖最后由辉常可乐于 2017-4-24 14:28 编辑

在mini板上用ucos操作系统调用了三个任务分别是跑马灯、DHT11测温湿度、BMP180测气压，发现程序只全程执行了一次就停住了，有人遇到过这种情况吗？？程序代码如下：（串口打印出132就不再打印了）

操作系统 · 发表于 2017-4-22 11:06:00

辉常可乐发表于 2017-4-24 09:30
这是修改后的代码，现在三个任务可以正常运行，但是DHT11显示的数字不正常，能帮忙看看吗？

都有系统了.延时当然要用这玩意了.OSTimeDlyHMSM(0,0,0,200);

辉常可乐 · 发表于 2017-4-22 11:08:57

[mw_shl_code=applescript,true]//éèÖÃèÎÎñ¶ÑÕ»′óD¡
#define LED_STK_SIZE    64
#define DHT11_STK_SIZE 64
#define BMP180_STK_SIZE 64
#define START_STK_SIZE 512

//éèÖÃèÎÎñóÅÏè¼¶
#define LED_TASK_Prio    9
#define DHT11_TASK_Prio    5
#define BMP180_TASK_Prio    2
#define START_TASK_Prio    10

//èÎÎñ¶ÑÕ»
OS_STK  TASK_LED_STK[LED_STK_SIZE];
OS_STK  TASK_DHT11_STK[DHT11_STK_SIZE];
OS_STK  TASK_BMP180_STK[BMP180_STK_SIZE];
OS_STK  TASK_START_STK[START_STK_SIZE];
//èÎÎñéêÃ÷
void TaskStart(void *pdata);
void TaskLed(void *pdata);
void TaskDht11(void *pdata);
void TaskBmp180(void *pdata);

//Ïμí3ê±ÖóÅäÖÃoˉêy
void SysTick_Configuration(void);


//Mini STM32¿a·￠°åucos·¶ày
//»ùóúucos2.52ÄúoË.
//ÕyμãÔ-×ó@ALIENTEK
//www.openedv.com
//2010.12.15
int main(void)
{
// Stm32_Clock_Init(9); //Ïμí3ê±ÖóéèÖÃ
NVIC_Configuration();
delay_init(72);       //Ñóê±3õê¼»ˉ
uart_init(9600);    //′®¿ú3õê¼»ˉÎa9600
LED_Init();          //3õê¼»ˉóëLEDá¬½óμÄó2¼t½ó¿ú
  LCD_Init();  //??? LCD
  IIC_PortInit();
POINT_COLOR=RED;//???????
LCD_ShowString(60,50,"WarShip STM32");
LCD_ShowString(60,70,"DHT11  TEST");
LCD_ShowString(60,90,"ATOM@ALIENTEK");
LCD_ShowString(60,110,"2017/4/22");
SysTick_Configuration();
OSInit();
OSTaskCreate( TaskStart, //task pointer
(void *)0, //parameter
(OS_STK *)&TASK_START_STK[START_STK_SIZE-1], //task stack top pointer
START_TASK_Prio ); //task priority

OSStart();
return 0;
}
//¿aê¼èÎÎñ
void TaskStart(void * pdata)
{
pdata = pdata;
OS_ENTER_CRITICAL();
OSTaskCreate(TaskLed, (void * )0, (OS_STK *)&TASK_LED_STK[LED_STK_SIZE-1], LED_TASK_Prio);
OSTaskCreate(TaskDht11, (void * )0, (OS_STK *)&TASK_DHT11_STK[DHT11_STK_SIZE-1], DHT11_TASK_Prio);
OSTaskCreate(TaskBmp180, (void * )0, (OS_STK *)&TASK_BMP180_STK[BMP180_STK_SIZE-1], BMP180_TASK_Prio);
OSTaskSuspend(START_TASK_Prio); //suspend but not delete
OS_EXIT_CRITICAL();
}
//èÎÎñ1
//¿ØÖÆDS0μÄááÃe.
void TaskLed(void *pdata)
{
while(1)
{
// LED0=!LED0;
// OSTimeDlyHMSM(0,0,0,500);
LED1=0;
LED0=1;
delay_ms(500);
LED1=1;
LED0=0;
delay_ms(500);
printf("1\n\n");
}
}
//èÎÎñ2
//¿ØÖÆDS1μÄááÃe.
void TaskDht11(void *pdata)
{
while(1)
{
// LED1=!LED1;
// OSTimeDlyHMSM(0,0,0,200);
u8 temperature;
u8 humidity;
while(DHT11_Init())  //DHT11 ???
{
LCD_ShowString(60,130,"DHT11 Error");
delay_ms(200);
LCD_ShowString(60,150,"Please Check!       ");
delay_ms(200);
}
LCD_ShowString(60,130,"DHT11 OK");
POINT_COLOR=BLUE;//???????
LCD_ShowString(60,150,"Temp: C");
LCD_ShowString(60,170,"Humi: %");
DHT11_Read_Data(&temperature,&humidity); //??????
LCD_ShowNum(100,150,temperature,2,16); //????
LCD_ShowNum(100,170,humidity,2,16); //????
delay_ms(1000);
printf("2\n\n");

}
}

void TaskBmp180(void *pdata)
{
while(1)
{
// LED1=!LED1;
// OSTimeDlyHMSM(0,0,0,200);
long UT,UP;
  Read_CalibrationData(); //??BMP180?????
   BMP180_ID = BMP180_ReadOneByte(0xd0);
POINT_COLOR=BLUE;
LCD_ShowString(60,190,"Press:    Pa");
  LCD_ShowString(60,210,"Temp1: C");
UT=Get_BMP180UT();
UP=Get_BMP180UP();
Convert_UncompensatedToTrue(UT,UP);
LCD_ShowNum(105,190,True_Press,6,16);
  LCD_ShowNum(105,210,True_Temp,2,16);
delay_ms(1000);
printf("3\n\n");
}

}

void SysTick_Configuration(void)
{
SysTick->CTRL&=~(1<<2);//SYSTICKê1óÃía2¿ê±ÖóÔ′
SysTick->CTRL|=1<<1; //¿aÆôSYSTICKÖD¶Ï
SysTick->LOAD=9000; //2úéú1msÖD¶Ï
//bit2Çå¿Õ,Ñ¡Ôñía2¿ê±Öó  HCLK/8
SysTick->CTRL|=1<<0;
}