Mike Moore
homework 7
Dependencies: mbed-rtos mbed C12832_lcd LM75B
Diff: main.cpp
- Revision:
- 75:c2894d531f42
- Parent:
- 74:4debb8f2e21d
- Child:
- 76:74c454c9d75b
--- a/main.cpp Wed Sep 11 23:15:52 2013 +0000
+++ b/main.cpp Thu Sep 12 00:42:54 2013 +0000
@@ -169,9 +169,8 @@
tickerSlowClock.attach_us(&slowClock ,SLOWCLOCKuS);
- // count-down by one second.
- pc.printf("\n\r starting cookRemainingTime");
- tickerCookCountdown.attach(&tickCookRemainingTime,1);
+
+
Thread thread_1(temperatureThread ,NULL,osPriorityIdle,DEFAULT_STACK_SIZE,NULL);
@@ -187,7 +186,7 @@
while(1)
{
- pc.printf("\n\r gdDiagTotalTime %d",gdDiagTotalTime);
+ // pc.printf("\n\r gdDiagTotalTime %d",gdDiagTotalTime);
Thread::wait(1000);
@@ -288,6 +287,7 @@
dRC = queueSetRemainingTime.put((int *) dTotalTime,1);
pc.printf("\n\r just queueSetRemainingTime.put %d, dRC = %d",dTotalTime,dRC);
+ giRemainingTime.dTotalTime = dTotalTime;
}
@@ -321,45 +321,90 @@
static int dFSMstate = FSM_IDLE; // state of this FSM.
static int dFSMstateLast = FSM_IDLE; // previous FSM state.
static int dButtonState; // received button state.
- static int dRemainingTime; // received remaining time.
+ static int dRemainingTime = 0; // received remaining time.
static int dButtonStart = 0;
static int dButtonStop = 0;
static int dDoorOpen = 0;
- static int dTimeRemaining = 0;
+
osEvent queueEvent; // queue event.
+/*
+ struct tRemainingTime // remaining time related.
+ {
+ char cControl; // countdown control.
+ int dTotalTime; // initialize to this.
+ int dRemainingTime; // the countdown value.
+ }
+
+giRemainingTime.
+
+ #define RT_PRELOAD 0x01 // remaining-time preload.
+ #define RT_DECREMENT 0x02 // remaining-time decrement.
+ #define RT_PAUSE 0x03 // remaining-time don't change.
+ #define RT_CLEAR 0x04 // remaining-time set to zero.
+
+*/
+
while(1) // thread loop.
{
+pc.printf("\n\r FSM state, stateLast: %d %d- start, open, remaining, total %d %d %d %d",dFSMstate,dFSMstateLast,dButtonStart,dDoorOpen,dRemainingTime,giRemainingTime.dTotalTime);
+
switch (dFSMstate) // cook-mode state machine.
{
case FSM_IDLE : // IDLE.
{
-
- if (dButtonStart & !dDoorOpen & dTimeRemaining) dFSMstate = FSM_COOK;
- if (dFSMstate != dFSMstateLast) { }
+ if (dFSMstate != dFSMstateLast) // if just entered state.
+ {
+ }
+ giRemainingTime.cControl = RT_CLEAR;
+ // determine next state.
+ dFSMstateLast = dFSMstate;
+ if ((dButtonStart == 1) && (dDoorOpen == 0) && (giRemainingTime.dTotalTime > 0)) dFSMstate = FSM_COOK;
break;
}
case FSM_COOK : // COOK.
{
-
- if (dDoorOpen & dTimeRemaining) dFSMstate = FSM_PAUSE;
- if (dFSMstate != dFSMstateLast) { }
+ if (dFSMstate != dFSMstateLast) // if just entered state.
+ {
+ led3 = 1;
+ tickerCookCountdown.detach(); // initialize countdown.
+ giRemainingTime.cControl = RT_PRELOAD;
+ tickCookRemainingTime();
+ tickerCookCountdown.attach(&tickCookRemainingTime,1);
+ giRemainingTime.cControl = RT_DECREMENT;
+ }
+ // determine next state.
+ dFSMstateLast = dFSMstate;
+ if (dDoorOpen & dRemainingTime) dFSMstate = FSM_PAUSE;
break;
}
case FSM_PAUSE : // PAUSE.
{
- if (dButtonStart & !dDoorOpen & dTimeRemaining) dFSMstate = FSM_DONE;
- if (dButtonStop) dFSMstate = FSM_COOK;
- if (dFSMstate != dFSMstateLast) { }
+
+ if (dFSMstate != dFSMstateLast) // if just entered state.
+ {
+ }
+ giRemainingTime.cControl = RT_PAUSE;
+ // determine next state.
+ dFSMstateLast = dFSMstate;
+ if (dButtonStart & !dDoorOpen & dRemainingTime) dFSMstate = FSM_DONE;
+ else
+ if (dButtonStop) dFSMstate = FSM_COOK;
break;
}
case FSM_DONE : // DONE.
{
+
+ if (dFSMstate != dFSMstateLast) // if just entered state.
+ {
+ }
+ giRemainingTime.cControl = RT_CLEAR;
+ // determine next state.
+ dFSMstateLast = dFSMstate;
dFSMstate = FSM_IDLE;
- if (dFSMstate != dFSMstateLast) { }
break;
}
@@ -367,17 +412,15 @@
}
-
-
-
- queueEvent = queueUpdateFSM.get(1); // get message.
+
+ queueEvent = queueUpdateFSM.get(1); // threadButtonStateManager
if (queueEvent.status == osEventMessage)// update state variable.
{
// interpret as integer, not pointer.
dButtonState = (int) queueEvent.value.p;
- pc.printf("\n dButtonState = %d",dButtonState);
+
if (dButtonState == MSG_START)
{
@@ -405,23 +448,11 @@
}
}
- // get message.
- queueEvent = queueUpdateRemainingTime.get(1);
- if (queueEvent.status == osEventMessage)// update state variable.
- {
- led3 = !led3;
- // interpret as integer, not pointer.
- dRemainingTime = (int) queueEvent.value.p;
+
+ // fetch from global scope.
+ dRemainingTime = giRemainingTime.dRemainingTime;
- }
-
-
-
-
-
-
-
- dFSMstateLast = dFSMstate; // pipeline variable.
+ // pipeline variable.
Thread::wait(THREAD_5_WAITmS); // multitasking.
} // thread loop.
} // threadCookStateFSM.
@@ -606,13 +637,16 @@
{
static int dRemainingTime = 0; // remaining time in seconds.
- switch (giRemainingTime.cControl)
+ led0 = 1;
+
+ switch (giRemainingTime.cControl) // control processing.
{
case RT_PRELOAD : // preload with total time.
{
dRemainingTime = giRemainingTime.dTotalTime;
if (dRemainingTime > 180) dRemainingTime = 180;
if (dRemainingTime < 0) dRemainingTime = 0;
+ led1 = 1;
break;
}
case RT_DECREMENT : // count-down.
@@ -620,6 +654,7 @@
dRemainingTime--;
if (dRemainingTime > 180) dRemainingTime = 180;
if (dRemainingTime < 0) dRemainingTime = 0;
+ led2 = 1;
break;
}
@@ -642,9 +677,10 @@
if (dRemainingTime > 180) dRemainingTime = 180;
if (dRemainingTime < 0) dRemainingTime = 0;
}
- }
+ } // control processing.
-
+ // promote to global scope.
+ giRemainingTime.dRemainingTime = dRemainingTime;
} // cookRemainingTime.
/*----------------------------------------------//----------------------------*/