PIC单片按键程序，KeyDriver()放在主函数里，工作长时间大约5天左右，按键不工作，大神们帮忙看看是我按键程序有问题吗？我用的是状态机写法。帮忙看看，谢谢啦！我的QQ396650143
void KeyDriver(void)
{
static u8 i=0;
if(flag_40ms)
{
flag_40ms=0;
Set_KeyReturnValue = Set_ReadKeyStatus();
Query_KeyReturnValue = Query_ReadKeyStatus();
Both_KeyReturnValue = Both_ReadKeyStatus();
}
switch(Query_KeyReturnValue)
{
case 0:break;
case 1:
Query_KeyReturnValue = 0;
if(WarnPriority == 0)//按键声响
BzWarnTime(180);
if(setIndex == 0)//SET按键未按下时，轮询显示
{
if(++cnt_location>tire_num)
{
cnt_location = 1;//位置
}
}
if(setIndex == 1)//低压阈值设置
{
ThresholdParam.low_press_value++;
if(ThresholdParam.low_press_value > 70)//考斯特低压50-70bar，海狮20-35
{
ThresholdParam.low_press_value = 50;//测试1-2bar
}
FlashWriteByte(THRESOLD_ADDR_BASE + 1,ThresholdParam.low_press_value);
}
if(setIndex == 2)//高压阈值设置
{
ThresholdParam.high_press_value++;
if(ThresholdParam.high_press_value > 120)//考斯特高压100-120bar，海狮40-60
{
ThresholdParam.high_press_value = 100;//测试3-4bar，考斯特110
}
FlashWriteByte(THRESOLD_ADDR_BASE + 0,ThresholdParam.high_press_value);
}
if(setIndex == 3)
{
++i;
i%=4;
tire_num=tire_num_x[i];
FlashWriteByte(THRESOLD_ADDR_BASE + 3,tire_num);
}
if(setIndex > 3)//轮胎换位----待调试
{
if(++sensorNum2 > tire_num)
{
sensorNum2 = 1;
}
}
break;
case 2:
Query_KeyReturnValue = 0;
if(WarnPriority == 0)//按键声响
BzWarnTime(1000);
break;
default:break;
}
switch(Set_KeyReturnValue)
{
case 0:break;
case 1:
Set_KeyReturnValue = 0;
if(WarnPriority == 0)//按键声响
BzWarnTime(180);
if(setIndex)
{
setIndex++;
if(setIndex > 3+tire_num)
{
setIndex = 0;
WheelLocationChange(sensorNum1,sensorNum2);
}
if(setIndex > 3)
{
if(setIndex == 4)
{
cnt_location = 1;//胎位显示
sensorNum1 = SearchIDSerial(cnt_location);//传感器号
sensorNum2 = sensorNum1;
}
else
{
cnt_location++;
}
if(sensorNum2 != sensorNum1)
{
WheelLocationChange(sensorNum1,sensorNum2);
}
sensorNum1 = SearchIDSerial(cnt_location);
sensorNum2 = sensorNum1;
}
}
break;
case 2:
Set_KeyReturnValue = 0;
if(WarnPriority == 0)//按键声响
BzWarnTime(1000);
if(setIndex == 0)
{
setIndex = 1;//进入低压设置
ThresholdParam.high_press_value = FlashReadByte(THRESOLD_ADDR_BASE + 0);//高压阈值
ThresholdParam.low_press_value = FlashReadByte(THRESOLD_ADDR_BASE + 1);//低压阈值
}
break;
default:break;
}
switch(Both_KeyReturnValue)
{
case 0:break;
case 1:
Both_KeyReturnValue = 0;
if(WarnPriority == 0)//按键声响
BzWarnTime(180);
break;
case 2:
Both_KeyReturnValue = 0;
if(WarnPriority == 0)//按键声响
BzWarnTime(1000);
SysReset();
break;
default:break;
}
}
/*中断处理函数*/
void interrupt isrfuction(void)
{
static int16u Sys_Counter = 0,count=0,cnt1=0;
int8u i ;
Watchdog_Reset();
if(TMR0IF && TMR0IE)
{
TMR0IF = 0;
TMR0 = 100;//156 即定时时间为20ms
//Set_KeyReturnValue = Set_ReadKeyStatus();
//Query_KeyReturnValue = Query_ReadKeyStatus();
//Both_KeyReturnValue = Both_ReadKeyStatus();
if(BZen)
{
if(++warncnt >= WaringTime)
{
warncnt = 0;
BZen = 0;
WarnPriority = 0;
}
if( 0x00 == warncnt%25)
{
Bz_Flag ^= 0x01;
}
}
if (++Sys_Counter >= 60000) //每20分钟重置.计数器
{
Sys_Counter = 0x0000;
}
if(0x00 == Sys_Counter%2)//40ms
{
flag_40ms=1;
}
if(setIndex > 2)
{
if(0x00 == Sys_Counter % 25)
{
LcdSharkflag = !LcdSharkflag;
}
}
if(0x00 == Sys_Counter%400)//8s
{
if(setIndex == 0)
{
if(++cnt_location>tire_num)//按键选择胎位数
{
cnt_location = 1;
}
}
}
if (0x00==Sys_Counter%3000)
{//每1min
SETBIT(Time_Flag1,TF1_1min_bit);//置位1分钟标志
}
if (0x00==Sys_Counter%6000)
{
SETBIT(Time_Flag1,TF1_2min_bit);
}
if(0X00 == Sys_Counter % 15000) //15000
{//(5m)
for(i = 0;i <tire_num;i++)//将Tire_num_x改为tire_num
{
if((LockInf[i].Flag_reveive_first == 1)&&(LockInf[i].LockStatus != 0x55))//有接收到数据后开始判断
{
Start_Time_Num[i]++;
if(Start_Time_Num[i] >=3)//30分钟6，测试1
{
if(First_30min_Flag[i])//第二次，30分钟后
{
SETBIT(LockInf[i].sys_time_learn,Second_30min_Bit);//第二个周期结束
Start_Time_Num[i]=0;
}
else//第一次
{
SETBIT(LockInf[i].sys_time_learn,First_30min_Bit);//第一个周期结束
Start_Time_Num[i]=0;
}
}
if(TESTBIT(LockInf[i].sys_time_learn,First_30min_Bit))//第一个周期结束
{
First_30min_Flag[i]=1;//30分钟置一
}
else
{
First_30min_Flag[i]=0;
}
}
}
}
}
if( IOCBF0 && IOCIE )
if( INTF && INTE )
{
INTF=0;
TDA523x_int=1;
}
}
u8 Set_ReadKeyStatus(void)
{
static KeyStatus SetState = Set_NoKeyDownStatus;
static u16 TimeCount = 0;
u8 KeyReturnSet = 0; //返回值状态一定不能为静态变量，确保每次进入中断时清零
switch(SetState)
{
/*没有按键按下*/
case Set_NoKeyDownStatus:
if(!KEYSET && KEYQUERY) //如果按键被按下时，等待进入确认状态。KeyDown = 0 代表按键按下,=1代表按键弹起
{
SetState = Set_KeySureDownStatus ;
}
break;
/*按键确认（按键消抖）*/
case Set_KeySureDownStatus:
if(!KEYSET && KEYQUERY)
{
//KeyReturnSet = 1;
SetState = Set_OnceKeyDownStatus ;
TimeCount = 0;
}
else
{
SetState = Set_NoKeyDownStatus ;
}
break;
/*等待按键释放*/
case Set_OnceKeyDownStatus:
if(KEYSET && KEYQUERY)//按键弹起
{
KeyReturnSet = 1;
SetState = Set_NoKeyDownStatus ;
//TimeCount = 0;
}
else //5.28改
{
if(++TimeCount >= (LONGSETKEYTIME/INTERRUPTTIME))//计满Xs后进入长按状态
{
SetState = Set_LongKeyDownStatus;
KeyReturnSet = 2;
TimeCount = 0;
}
}
break;
case Set_LongKeyDownStatus:
if(KEYSET && KEYQUERY)
{
SetState = Set_NoKeyDownStatus ;
}
break;
default:break;
}
return KeyReturnSet;
}
/*此程序放置于中断程序中（中断时间20ms）*/
u8 Query_ReadKeyStatus(void)
{
static KeyStatus QueryState = Query_NoKeyDownStatus;
static u16 TimeCount = 0;
u8 KeyReturnQuery = 0;//返回值状态一定不能为静态变量，确保每次进入中断时清零
switch(QueryState)
{
/*没有按键按下*/
case Query_NoKeyDownStatus:
if(!KEYQUERY && KEYSET) //如果按键被按下时，等待进入确认状态。KeyDown = 0 代表按键按下,=1代表按键弹起
{
QueryState = Query_KeySureDownStatus ;
}
break;
/*按键确认（按键消抖）*/
case Query_KeySureDownStatus:
if(!KEYQUERY && KEYSET)
{
QueryState = Query_OnceKeyDownStatus ;
TimeCount = 0;
}
else
{
QueryState = Query_NoKeyDownStatus ;
}
break;
/*等待按键释放*/
case Query_OnceKeyDownStatus:
if(KEYQUERY && KEYSET)//按键弹起
{
KeyReturnQuery = 1;
QueryState = Query_NoKeyDownStatus ;
//TimeCount = 0;
}
else
{
if(++TimeCount >= (LONGSETKEYTIME/INTERRUPTTIME))//计满Xs后进入长按状态
{
QueryState = Query_LongKeyDownStatus;
KeyReturnQuery = 2;
TimeCount = 0;
}
}
break;
case Query_LongKeyDownStatus:
if(KEYQUERY && KEYSET)
{
QueryState = Query_NoKeyDownStatus ;
}
break;
default:break;
}
return KeyReturnQuery;
}
u8 Both_ReadKeyStatus(void)
{
static KeyStatus BothState = Both_NoKeyDownStatus;
static u16 TimeCount = 0;
u8 KeyReturnBoth = 0;//返回值状态一定不能为静态变量，确保每次进入中断时清零
switch(BothState)
{
/*没有按键按下*/
case Both_NoKeyDownStatus:
if((!KEYQUERY)&&(!KEYSET)) //如果按键被按下时，等待进入确认状态。KeyDown = 0 代表按键按下,=1代表按键弹起
{
BothState = Both_KeySureDownStatus ;
}
break;
/*按键确认（按键消抖）*/
case Both_KeySureDownStatus:
if((!KEYQUERY)&&(!KEYSET))
{
BothState = Both_OnceKeyDownStatus ;
TimeCount = 0;
}
else
{
BothState = Both_NoKeyDownStatus ;
}
break;
/*等待按键释放*/
case Both_OnceKeyDownStatus:
if(KEYQUERY || KEYSET)//按键弹起
{
KeyReturnBoth = 1;
BothState = Both_NoKeyDownStatus ;
//TimeCount = 0;
}
else
{
if(++TimeCount >= (LONGSETKEYTIME/INTERRUPTTIME))//计满Xs后进入长按状态
{
BothState = Both_LongKeyDownStatus;
KeyReturnBoth = 2;
TimeCount = 0;
}
}
break;
case Both_LongKeyDownStatus:
if(KEYQUERY || KEYSET)
{
BothState = Both_NoKeyDownStatus ;
}
break;
default:break;
}
return KeyReturnBoth;
}
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