homework 7
Dependencies: mbed-rtos mbed C12832_lcd LM75B
main.cpp@70:7c0743c28b11, 2013-09-11 (annotated)
- Committer:
- gatedClock
- Date:
- Wed Sep 11 21:16:58 2013 +0000
- Revision:
- 70:7c0743c28b11
- Parent:
- 69:55b836e8ced7
- Child:
- 71:4a5f256ecf7c
evidence that within a function called by a ticker,; message put and get do not work.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gatedClock | 0:fcca4db7b32a | 1 | /*----------------------------------------------//------------------------------ |
gatedClock | 0:fcca4db7b32a | 2 | student : m-moore |
gatedClock | 0:fcca4db7b32a | 3 | class : rtos |
gatedClock | 10:2b0a9fc39109 | 4 | directory : RTOS_HW_07 |
gatedClock | 0:fcca4db7b32a | 5 | file : main.cpp |
gatedClock | 0:fcca4db7b32a | 6 | ----description---------------------------------//------------------------------ |
gatedClock | 70:7c0743c28b11 | 7 | gotchyas |
gatedClock | 70:7c0743c28b11 | 8 | 1. using pc.printf inside a ticker routine will freeze the routine. |
gatedClock | 0:fcca4db7b32a | 9 | -----includes-----------------------------------//----------------------------*/ |
gatedClock | 0:fcca4db7b32a | 10 | #include "mbed.h" // mbed class. |
gatedClock | 10:2b0a9fc39109 | 11 | #include "rtos.h" // rtos class. |
gatedClock | 39:4e7e4d935a87 | 12 | #include "LM75B.h" // thermometer class. |
gatedClock | 10:2b0a9fc39109 | 13 | #include "C12832_lcd.h" // LCD class. |
gatedClock | 0:fcca4db7b32a | 14 | //---defines------------------------------------//------------------------------ |
gatedClock | 9:cfdb9aa5857c | 15 | #define LCD1 lcd.locate(0, 0); // LCD line 1. |
gatedClock | 9:cfdb9aa5857c | 16 | #define LCD2 lcd.locate(0,11); // LCD line 2. |
gatedClock | 9:cfdb9aa5857c | 17 | #define LCD3 lcd.locate(0,22); // LCD line 3. |
gatedClock | 9:cfdb9aa5857c | 18 | |
gatedClock | 10:2b0a9fc39109 | 19 | |
gatedClock | 66:4a0006fa5cc1 | 20 | #define DEBOUNCEmS 16 // debounce wait in mS. |
gatedClock | 19:92b11e30aaaf | 21 | #define uS_TIMEOUT 100 // Timer uS timeout. |
gatedClock | 19:92b11e30aaaf | 22 | #define LBSIG 1 // left button signal code. |
gatedClock | 33:34c1bef3c4ff | 23 | #define PIPEuS 1000 // pipeline clock period. |
gatedClock | 19:92b11e30aaaf | 24 | #define SLOWCLOCKuS 500000 // slow-clock period. |
gatedClock | 39:4e7e4d935a87 | 25 | #define TEMPCLOCKS 1 // temperature-measuring period in S. |
gatedClock | 26:bff592483cb1 | 26 | #define PIPEDATASIZE 8 // dimension of tPipeData. |
gatedClock | 44:d16e813e61ef | 27 | #define THREAD_1_WAITmS 400 // thread 1 wait in mS. |
gatedClock | 67:1d9c85a4c3c1 | 28 | #define THREAD_2_WAITmS 20 // LCD thread wait. |
gatedClock | 67:1d9c85a4c3c1 | 29 | #define THREAD_3_WAITmS 80 // thread 3 wait in mS. |
gatedClock | 66:4a0006fa5cc1 | 30 | #define THREAD_4_WAITmS 1 // thread 4 wait in mS. |
gatedClock | 57:0432c68ad232 | 31 | #define THREAD_5_WAITmS 400 // thread 5 wait in mS. |
gatedClock | 44:d16e813e61ef | 32 | #define HB_MODULO 1024 // heartbeat modulo divisor. |
gatedClock | 50:2928c3cbdcc3 | 33 | |
gatedClock | 54:b0e7352d2516 | 34 | #define MSG_INC_TIME 0x01 |
gatedClock | 54:b0e7352d2516 | 35 | #define MSG_DEC_TIME 0x02 |
gatedClock | 58:ec630b6dd9b1 | 36 | #define MSG_START 0x04 |
gatedClock | 58:ec630b6dd9b1 | 37 | #define MSG_STOP 0x08 |
gatedClock | 58:ec630b6dd9b1 | 38 | #define MSG_OPEN 0x10 |
gatedClock | 58:ec630b6dd9b1 | 39 | #define MSG_CLOSED 0x20 |
gatedClock | 57:0432c68ad232 | 40 | |
gatedClock | 57:0432c68ad232 | 41 | #define FSM_IDLE 0x00 // cook-state state-machine. |
gatedClock | 57:0432c68ad232 | 42 | #define FSM_COOK 0x01 // cook-state state-machine. |
gatedClock | 57:0432c68ad232 | 43 | #define FSM_PAUSE 0x02 // cook-state state-machine. |
gatedClock | 57:0432c68ad232 | 44 | #define FSM_DONE 0x04 // cook-state state-machine. |
gatedClock | 65:e39360da5929 | 45 | |
gatedClock | 65:e39360da5929 | 46 | #define DEBUG1 // debug preprocessor control. |
gatedClock | 0:fcca4db7b32a | 47 | //--global_definitions--------------------------//------------------------------ |
gatedClock | 26:bff592483cb1 | 48 | struct tButtons // button ISR updates. |
gatedClock | 26:bff592483cb1 | 49 | { |
gatedClock | 26:bff592483cb1 | 50 | char cLeftButton; // cooktime +60S. |
gatedClock | 26:bff592483cb1 | 51 | char cRightButton; // cooktime -60S. |
gatedClock | 26:bff592483cb1 | 52 | char cTopButton; // start cook. |
gatedClock | 26:bff592483cb1 | 53 | char cBottomButton; // stop cook. |
gatedClock | 58:ec630b6dd9b1 | 54 | char cCenterButton; // center button pressed. |
gatedClock | 53:8c2baf5623c8 | 55 | char cDoorOpen; // door open. |
gatedClock | 26:bff592483cb1 | 56 | }; |
gatedClock | 34:b449d2a7c786 | 57 | |
gatedClock | 61:8026a9fc0cf1 | 58 | Queue<int, 1> queueModTotalTime; // message to modify total time. |
gatedClock | 61:8026a9fc0cf1 | 59 | Queue<int, 1> queueUpdateFSM; // message to inform FSM. |
gatedClock | 61:8026a9fc0cf1 | 60 | Queue<int, 1> queueUpdateRemainingTime; // message to update remaining time. |
gatedClock | 70:7c0743c28b11 | 61 | Queue<int, 16> queueSetRemainingTime; // tell countdown it's start time. |
gatedClock | 69:55b836e8ced7 | 62 | Queue<int, 1> queueFSMnewState; // latest FSM state. |
gatedClock | 0:fcca4db7b32a | 63 | //--global_variables----------------------------//------------------------------ |
gatedClock | 26:bff592483cb1 | 64 | char gcSignalWaitEnable; // 1 to wait on a signal. |
gatedClock | 26:bff592483cb1 | 65 | char gcSlowClock; // slow-clock signal. |
gatedClock | 33:34c1bef3c4ff | 66 | char gcInitializePipeline; // 1 to initialize pipeline state. |
gatedClock | 39:4e7e4d935a87 | 67 | float gfCelsius; // from thermometer. |
gatedClock | 42:266d5bbbfd19 | 68 | float gfLCDcelsius; // feed into LCD. |
gatedClock | 42:266d5bbbfd19 | 69 | int gdLCDtotalCookTimeSec; // feed into LCD. |
gatedClock | 42:266d5bbbfd19 | 70 | int gdCookTimeRemainingSec; // feed into LCD. |
gatedClock | 26:bff592483cb1 | 71 | tButtons gtButtons; // ISR button updates. |
gatedClock | 70:7c0743c28b11 | 72 | |
gatedClock | 70:7c0743c28b11 | 73 | int gdDiagTotalTime; |
gatedClock | 0:fcca4db7b32a | 74 | //--global_instances----------------------------//------------------------------ |
gatedClock | 55:17f3354da63a | 75 | Serial pc(USBTX, USBRX); // PuTTY terminal communication. |
gatedClock | 39:4e7e4d935a87 | 76 | LM75B temperature(p28,p27); // on-board thermometer. |
gatedClock | 9:cfdb9aa5857c | 77 | C12832_LCD lcd; // LCD object. |
gatedClock | 53:8c2baf5623c8 | 78 | DigitalOut led0(LED4); // magnetron. |
gatedClock | 39:4e7e4d935a87 | 79 | DigitalOut led1(LED3); |
gatedClock | 39:4e7e4d935a87 | 80 | DigitalOut led2(LED2); |
gatedClock | 39:4e7e4d935a87 | 81 | DigitalOut led3(LED1); |
gatedClock | 0:fcca4db7b32a | 82 | |
gatedClock | 0:fcca4db7b32a | 83 | InterruptIn iJoyStickUp (p15); // joystick up rising edge. |
gatedClock | 0:fcca4db7b32a | 84 | InterruptIn iJoyStickDown (p12); // joystick down rising edge. |
gatedClock | 0:fcca4db7b32a | 85 | InterruptIn iJoyStickLeft (p13); // joystick left rising edge. |
gatedClock | 0:fcca4db7b32a | 86 | InterruptIn iJoyStickRight (p16); // joystick right rising edge. |
gatedClock | 0:fcca4db7b32a | 87 | InterruptIn iJoyStickCenter(p14); // 1 if joystick middle pressed. |
gatedClock | 66:4a0006fa5cc1 | 88 | |
gatedClock | 66:4a0006fa5cc1 | 89 | Timer debounceTimer; // button debounce timer. |
gatedClock | 0:fcca4db7b32a | 90 | |
gatedClock | 50:2928c3cbdcc3 | 91 | Ticker tickerButtonStateManager; // manage the button states. |
gatedClock | 19:92b11e30aaaf | 92 | Ticker tickerSlowClock; // generate a ~1Hz clock. |
gatedClock | 64:255295f1d782 | 93 | Ticker tickerCookCountdown; // remaining cook time. |
gatedClock | 63:63f362bcc2ac | 94 | |
gatedClock | 63:63f362bcc2ac | 95 | // Timer timerFSMdone; // duration of FSM 'done' state. |
gatedClock | 40:7afff79f0d8b | 96 | |
gatedClock | 0:fcca4db7b32a | 97 | //-------prototypes-----------------------------//------------------------------ |
gatedClock | 49:56f790977983 | 98 | |
gatedClock | 19:92b11e30aaaf | 99 | void slowClock(); // 1Hz or thereabouts. |
gatedClock | 49:56f790977983 | 100 | |
gatedClock | 9:cfdb9aa5857c | 101 | void initialization(); // initialize settings. |
gatedClock | 13:21f27ba467c2 | 102 | |
gatedClock | 13:21f27ba467c2 | 103 | void ISRleftButtonRising(); // cook-time increase. |
gatedClock | 13:21f27ba467c2 | 104 | void ISRleftButtonFalling(); // button-release debounce. |
gatedClock | 13:21f27ba467c2 | 105 | void ISRrightButtonRising(); // cook-time decrease. |
gatedClock | 13:21f27ba467c2 | 106 | void ISRrightButtonFalling(); // button-release debounce. |
gatedClock | 13:21f27ba467c2 | 107 | void ISRtopButtonRising(); // cook start. |
gatedClock | 13:21f27ba467c2 | 108 | void ISRtopButtonFalling(); // button-release debounce. |
gatedClock | 13:21f27ba467c2 | 109 | void ISRbottomButtonRising(); // cook stop. |
gatedClock | 13:21f27ba467c2 | 110 | void ISRbottomButtonFalling(); // button-release debounce. |
gatedClock | 13:21f27ba467c2 | 111 | void ISRcenterButtonRising(); // door state toggle. |
gatedClock | 13:21f27ba467c2 | 112 | void ISRcenterButtonFalling(); // button-release debounce. |
gatedClock | 16:db7f0b3b2605 | 113 | void disableSignalWaiting(); // break from signal waiting. |
gatedClock | 39:4e7e4d935a87 | 114 | |
gatedClock | 54:b0e7352d2516 | 115 | void threadButtonStateManager(void const *args); |
gatedClock | 50:2928c3cbdcc3 | 116 | void threadTotalTimeControl(void const *args); |
gatedClock | 57:0432c68ad232 | 117 | void threadCookStateFSM(void const *args); |
gatedClock | 64:255295f1d782 | 118 | void cookRemainingTime(); // remaining time countdown. |
gatedClock | 50:2928c3cbdcc3 | 119 | |
gatedClock | 40:7afff79f0d8b | 120 | void temperatureThread(void const *args); // temperature measurement. |
gatedClock | 42:266d5bbbfd19 | 121 | void LCDthread (void const *args); // LCD display thread. |
gatedClock | 0:fcca4db7b32a | 122 | //==============================================//============================== |
gatedClock | 0:fcca4db7b32a | 123 | int main(void) |
gatedClock | 0:fcca4db7b32a | 124 | { |
gatedClock | 16:db7f0b3b2605 | 125 | char cLeftButtonState; // 1 means button was pressed. |
gatedClock | 16:db7f0b3b2605 | 126 | |
gatedClock | 16:db7f0b3b2605 | 127 | |
gatedClock | 16:db7f0b3b2605 | 128 | |
gatedClock | 14:d3bb343cd5b2 | 129 | iJoyStickLeft.rise (&ISRleftButtonRising); |
gatedClock | 14:d3bb343cd5b2 | 130 | iJoyStickLeft.fall (&ISRleftButtonFalling); |
gatedClock | 9:cfdb9aa5857c | 131 | |
gatedClock | 14:d3bb343cd5b2 | 132 | iJoyStickRight.rise(&ISRrightButtonRising); |
gatedClock | 14:d3bb343cd5b2 | 133 | iJoyStickRight.fall(&ISRrightButtonFalling); |
gatedClock | 14:d3bb343cd5b2 | 134 | |
gatedClock | 14:d3bb343cd5b2 | 135 | iJoyStickUp.rise (&ISRtopButtonRising); |
gatedClock | 14:d3bb343cd5b2 | 136 | iJoyStickUp.fall (&ISRtopButtonFalling); |
gatedClock | 9:cfdb9aa5857c | 137 | |
gatedClock | 14:d3bb343cd5b2 | 138 | iJoyStickDown.rise (&ISRbottomButtonRising); |
gatedClock | 14:d3bb343cd5b2 | 139 | iJoyStickDown.fall (&ISRbottomButtonFalling); |
gatedClock | 7:9fbd1d540863 | 140 | |
gatedClock | 14:d3bb343cd5b2 | 141 | iJoyStickCenter.rise(&ISRcenterButtonRising); |
gatedClock | 14:d3bb343cd5b2 | 142 | iJoyStickCenter.fall(&ISRcenterButtonFalling); |
gatedClock | 9:cfdb9aa5857c | 143 | |
gatedClock | 66:4a0006fa5cc1 | 144 | debounceTimer.start(); // kick-off debounce timer. |
gatedClock | 66:4a0006fa5cc1 | 145 | |
gatedClock | 33:34c1bef3c4ff | 146 | gcInitializePipeline = 1; // tell pipeline to initialize. |
gatedClock | 16:db7f0b3b2605 | 147 | |
gatedClock | 9:cfdb9aa5857c | 148 | initialization(); // initialize variables. |
gatedClock | 21:b794d189c36b | 149 | gcSlowClock = 0; |
gatedClock | 44:d16e813e61ef | 150 | led1 = 0; |
gatedClock | 53:8c2baf5623c8 | 151 | gtButtons.cDoorOpen = 0; // initialize with door closed. |
gatedClock | 63:63f362bcc2ac | 152 | |
gatedClock | 63:63f362bcc2ac | 153 | // timerFSMdone.start(); // start 'done' timer. |
gatedClock | 49:56f790977983 | 154 | |
gatedClock | 70:7c0743c28b11 | 155 | tickerSlowClock.attach_us(&slowClock ,SLOWCLOCKuS); |
gatedClock | 64:255295f1d782 | 156 | |
gatedClock | 64:255295f1d782 | 157 | // count-down by one second. |
gatedClock | 69:55b836e8ced7 | 158 | pc.printf("\n\r starting cookRemainingTime"); |
gatedClock | 69:55b836e8ced7 | 159 | tickerCookCountdown.attach(&cookRemainingTime,1); |
gatedClock | 54:b0e7352d2516 | 160 | |
gatedClock | 40:7afff79f0d8b | 161 | |
gatedClock | 70:7c0743c28b11 | 162 | Thread thread_1(temperatureThread ,NULL,osPriorityIdle,DEFAULT_STACK_SIZE,NULL); |
gatedClock | 70:7c0743c28b11 | 163 | Thread thread_2(LCDthread ,NULL,osPriorityIdle,DEFAULT_STACK_SIZE,NULL); |
gatedClock | 70:7c0743c28b11 | 164 | Thread thread_3(threadTotalTimeControl ,NULL,osPriorityIdle,DEFAULT_STACK_SIZE,NULL); |
gatedClock | 70:7c0743c28b11 | 165 | Thread thread_4(threadButtonStateManager,NULL,osPriorityIdle,DEFAULT_STACK_SIZE,NULL); // was osPriorityIdle |
gatedClock | 70:7c0743c28b11 | 166 | Thread thread_5(threadCookStateFSM ,NULL,osPriorityIdle,DEFAULT_STACK_SIZE,NULL); |
gatedClock | 70:7c0743c28b11 | 167 | |
gatedClock | 66:4a0006fa5cc1 | 168 | //Thread thread_4(threadButtonStateManager); |
gatedClock | 52:8ba6a0c91a89 | 169 | |
gatedClock | 40:7afff79f0d8b | 170 | |
gatedClock | 59:5e45b5e4a874 | 171 | // the message-receiving threads need 'else' for message-receive-timeout. |
gatedClock | 9:cfdb9aa5857c | 172 | |
gatedClock | 14:d3bb343cd5b2 | 173 | while(1) |
gatedClock | 0:fcca4db7b32a | 174 | { |
gatedClock | 70:7c0743c28b11 | 175 | pc.printf("\n\r gdDiagTotalTime %d",gdDiagTotalTime); |
gatedClock | 70:7c0743c28b11 | 176 | |
gatedClock | 70:7c0743c28b11 | 177 | Thread::wait(1000); |
gatedClock | 16:db7f0b3b2605 | 178 | |
gatedClock | 16:db7f0b3b2605 | 179 | |
gatedClock | 16:db7f0b3b2605 | 180 | |
gatedClock | 14:d3bb343cd5b2 | 181 | |
gatedClock | 0:fcca4db7b32a | 182 | } |
gatedClock | 19:92b11e30aaaf | 183 | } |
gatedClock | 19:92b11e30aaaf | 184 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 59:5e45b5e4a874 | 185 | |
gatedClock | 59:5e45b5e4a874 | 186 | // this serves as the bottom-half for all of the button-press IRSs. |
gatedClock | 59:5e45b5e4a874 | 187 | // it sends button-status messages to other threads, and it also |
gatedClock | 59:5e45b5e4a874 | 188 | // clears the button-state globals to prepare them for the next |
gatedClock | 59:5e45b5e4a874 | 189 | // button press. |
gatedClock | 59:5e45b5e4a874 | 190 | |
gatedClock | 59:5e45b5e4a874 | 191 | |
gatedClock | 54:b0e7352d2516 | 192 | void threadButtonStateManager(void const *args) |
gatedClock | 50:2928c3cbdcc3 | 193 | { |
gatedClock | 56:18cff6eb91db | 194 | int dMessage; // message. |
gatedClock | 50:2928c3cbdcc3 | 195 | |
gatedClock | 54:b0e7352d2516 | 196 | while(1) // thread loop. |
gatedClock | 67:1d9c85a4c3c1 | 197 | { |
gatedClock | 54:b0e7352d2516 | 198 | //--- // TOTAL TIME CONTROL. |
gatedClock | 56:18cff6eb91db | 199 | |
gatedClock | 56:18cff6eb91db | 200 | // encoded integers will be sent, |
gatedClock | 56:18cff6eb91db | 201 | // not pointers. |
gatedClock | 50:2928c3cbdcc3 | 202 | |
gatedClock | 50:2928c3cbdcc3 | 203 | if (gtButtons.cLeftButton) // total time increment button. |
gatedClock | 50:2928c3cbdcc3 | 204 | { |
gatedClock | 54:b0e7352d2516 | 205 | dMessage = MSG_INC_TIME; // set message. |
gatedClock | 69:55b836e8ced7 | 206 | queueModTotalTime.put((int *) dMessage,1);// pretend it's a pointer. |
gatedClock | 50:2928c3cbdcc3 | 207 | gtButtons.cLeftButton = 0; // clear the button state. |
gatedClock | 67:1d9c85a4c3c1 | 208 | // pc.printf("\n\r time increment button."); |
gatedClock | 50:2928c3cbdcc3 | 209 | } |
gatedClock | 67:1d9c85a4c3c1 | 210 | |
gatedClock | 59:5e45b5e4a874 | 211 | if (gtButtons.cRightButton) // total time decrement button. |
gatedClock | 50:2928c3cbdcc3 | 212 | { |
gatedClock | 54:b0e7352d2516 | 213 | dMessage = MSG_DEC_TIME; // set message. |
gatedClock | 69:55b836e8ced7 | 214 | queueModTotalTime.put((int *) dMessage,1);// pretend it's a pointer. |
gatedClock | 50:2928c3cbdcc3 | 215 | gtButtons.cRightButton = 0; // clear the button state. |
gatedClock | 67:1d9c85a4c3c1 | 216 | // pc.printf("\n\r time decrement button."); |
gatedClock | 50:2928c3cbdcc3 | 217 | } |
gatedClock | 67:1d9c85a4c3c1 | 218 | |
gatedClock | 59:5e45b5e4a874 | 219 | //--- // COOK-STATE FSM. |
gatedClock | 59:5e45b5e4a874 | 220 | |
gatedClock | 59:5e45b5e4a874 | 221 | if (gtButtons.cTopButton) // start-cook button. |
gatedClock | 58:ec630b6dd9b1 | 222 | { |
gatedClock | 59:5e45b5e4a874 | 223 | dMessage = MSG_START; // set message. |
gatedClock | 69:55b836e8ced7 | 224 | queueUpdateFSM.put((int *) dMessage,1); // pretend it's a pointer. |
gatedClock | 59:5e45b5e4a874 | 225 | gtButtons.cTopButton = 0; // clear the button state. |
gatedClock | 58:ec630b6dd9b1 | 226 | } |
gatedClock | 67:1d9c85a4c3c1 | 227 | |
gatedClock | 59:5e45b5e4a874 | 228 | if (gtButtons.cBottomButton) // stop-cook button. |
gatedClock | 58:ec630b6dd9b1 | 229 | { |
gatedClock | 59:5e45b5e4a874 | 230 | dMessage = MSG_STOP; // set message. |
gatedClock | 69:55b836e8ced7 | 231 | queueUpdateFSM.put((int *) dMessage,1); // pretend it's a pointer. |
gatedClock | 59:5e45b5e4a874 | 232 | gtButtons.cBottomButton = 0; // clear the button state. |
gatedClock | 58:ec630b6dd9b1 | 233 | } |
gatedClock | 67:1d9c85a4c3c1 | 234 | |
gatedClock | 59:5e45b5e4a874 | 235 | if (gtButtons.cCenterButton) // door-state-toggle. |
gatedClock | 58:ec630b6dd9b1 | 236 | { |
gatedClock | 59:5e45b5e4a874 | 237 | dMessage = gtButtons.cDoorOpen; // determined in ISR. |
gatedClock | 69:55b836e8ced7 | 238 | queueUpdateFSM.put((int *) dMessage,1); // pretend it's a pointer. |
gatedClock | 59:5e45b5e4a874 | 239 | gtButtons.cCenterButton = 0; // clear the button state. |
gatedClock | 58:ec630b6dd9b1 | 240 | } |
gatedClock | 59:5e45b5e4a874 | 241 | //--- |
gatedClock | 58:ec630b6dd9b1 | 242 | |
gatedClock | 54:b0e7352d2516 | 243 | Thread::wait(THREAD_4_WAITmS); // multitasking. |
gatedClock | 54:b0e7352d2516 | 244 | } // thread loop. |
gatedClock | 54:b0e7352d2516 | 245 | } // threadButtonStateManager. |
gatedClock | 50:2928c3cbdcc3 | 246 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 51:e5ec74c49b01 | 247 | // the incoming messages are mutually-exclusive. |
gatedClock | 51:e5ec74c49b01 | 248 | // total time controller. |
gatedClock | 51:e5ec74c49b01 | 249 | void threadTotalTimeControl(void const *args) |
gatedClock | 50:2928c3cbdcc3 | 250 | { |
gatedClock | 51:e5ec74c49b01 | 251 | static int dTotalTime = 0; // total time variable. |
gatedClock | 60:e10bf95bbc96 | 252 | int dMessage; // message. |
gatedClock | 51:e5ec74c49b01 | 253 | osEvent queueEvent; // queue event. |
gatedClock | 70:7c0743c28b11 | 254 | int dRC; |
gatedClock | 50:2928c3cbdcc3 | 255 | |
gatedClock | 50:2928c3cbdcc3 | 256 | while(1) // thread loop. |
gatedClock | 50:2928c3cbdcc3 | 257 | { |
gatedClock | 50:2928c3cbdcc3 | 258 | |
gatedClock | 55:17f3354da63a | 259 | queueEvent = queueModTotalTime.get(1); // get message. |
gatedClock | 51:e5ec74c49b01 | 260 | if (queueEvent.status == osEventMessage) |
gatedClock | 51:e5ec74c49b01 | 261 | { |
gatedClock | 56:18cff6eb91db | 262 | dMessage = (int) queueEvent.value.p; // interpret as integer, not pointer. |
gatedClock | 54:b0e7352d2516 | 263 | |
gatedClock | 54:b0e7352d2516 | 264 | // increment total time. |
gatedClock | 56:18cff6eb91db | 265 | if (dMessage == MSG_INC_TIME) dTotalTime += 60; |
gatedClock | 54:b0e7352d2516 | 266 | |
gatedClock | 54:b0e7352d2516 | 267 | // decrement total time. |
gatedClock | 56:18cff6eb91db | 268 | if (dMessage == MSG_DEC_TIME) dTotalTime -= 60; |
gatedClock | 65:e39360da5929 | 269 | |
gatedClock | 65:e39360da5929 | 270 | // saturations. |
gatedClock | 65:e39360da5929 | 271 | if (dTotalTime > 180) dTotalTime = 180; |
gatedClock | 65:e39360da5929 | 272 | if (dTotalTime < 0) dTotalTime = 0; |
gatedClock | 65:e39360da5929 | 273 | |
gatedClock | 70:7c0743c28b11 | 274 | dRC = queueSetRemainingTime.put((int *) dTotalTime,1); |
gatedClock | 70:7c0743c28b11 | 275 | pc.printf("\n\r just queueSetRemainingTime.put %d, dRC = %d",dTotalTime,dRC); |
gatedClock | 65:e39360da5929 | 276 | |
gatedClock | 65:e39360da5929 | 277 | |
gatedClock | 51:e5ec74c49b01 | 278 | } |
gatedClock | 54:b0e7352d2516 | 279 | |
gatedClock | 65:e39360da5929 | 280 | |
gatedClock | 51:e5ec74c49b01 | 281 | |
gatedClock | 51:e5ec74c49b01 | 282 | gdLCDtotalCookTimeSec = dTotalTime; // transmit to LCD. |
gatedClock | 61:8026a9fc0cf1 | 283 | |
gatedClock | 61:8026a9fc0cf1 | 284 | // pretend it's a pointer. |
gatedClock | 61:8026a9fc0cf1 | 285 | // queueUpdateTotalTime.put((int *) dTotalTime); |
gatedClock | 61:8026a9fc0cf1 | 286 | |
gatedClock | 61:8026a9fc0cf1 | 287 | |
gatedClock | 50:2928c3cbdcc3 | 288 | |
gatedClock | 50:2928c3cbdcc3 | 289 | Thread::wait(THREAD_3_WAITmS); // multitasking. |
gatedClock | 50:2928c3cbdcc3 | 290 | } // thread loop. |
gatedClock | 50:2928c3cbdcc3 | 291 | } // threadTotalTimeControl. |
gatedClock | 33:34c1bef3c4ff | 292 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 60:e10bf95bbc96 | 293 | /* |
gatedClock | 60:e10bf95bbc96 | 294 | #define FSM_IDLE 0x00 // cook-state state-machine. |
gatedClock | 60:e10bf95bbc96 | 295 | #define FSM_COOK 0x01 // cook-state state-machine. |
gatedClock | 60:e10bf95bbc96 | 296 | #define FSM_PAUSE 0x02 // cook-state state-machine. |
gatedClock | 60:e10bf95bbc96 | 297 | #define FSM_DONE 0x04 // cook-state state-machine. |
gatedClock | 62:48e7c196e2a5 | 298 | |
gatedClock | 62:48e7c196e2a5 | 299 | #define MSG_START 0x04 |
gatedClock | 62:48e7c196e2a5 | 300 | #define MSG_STOP 0x08 |
gatedClock | 62:48e7c196e2a5 | 301 | #define MSG_OPEN 0x10 |
gatedClock | 62:48e7c196e2a5 | 302 | #define MSG_CLOSED 0x20 |
gatedClock | 60:e10bf95bbc96 | 303 | */ |
gatedClock | 57:0432c68ad232 | 304 | void threadCookStateFSM(void const *args) // cook-cycle FSM. |
gatedClock | 57:0432c68ad232 | 305 | { |
gatedClock | 69:55b836e8ced7 | 306 | static int dFSMstate = FSM_IDLE; // state of this FSM. |
gatedClock | 69:55b836e8ced7 | 307 | static int dFSMstateLast = FSM_IDLE; // previous FSM state. |
gatedClock | 61:8026a9fc0cf1 | 308 | static int dButtonState; // received button state. |
gatedClock | 61:8026a9fc0cf1 | 309 | static int dRemainingTime; // received remaining time. |
gatedClock | 62:48e7c196e2a5 | 310 | |
gatedClock | 62:48e7c196e2a5 | 311 | static int dButtonStart = 0; |
gatedClock | 62:48e7c196e2a5 | 312 | static int dButtonStop = 0; |
gatedClock | 62:48e7c196e2a5 | 313 | static int dDoorOpen = 0; |
gatedClock | 62:48e7c196e2a5 | 314 | static int dTimeRemaining = 0; |
gatedClock | 62:48e7c196e2a5 | 315 | |
gatedClock | 63:63f362bcc2ac | 316 | osEvent queueEvent; // queue event. |
gatedClock | 63:63f362bcc2ac | 317 | |
gatedClock | 57:0432c68ad232 | 318 | while(1) // thread loop. |
gatedClock | 57:0432c68ad232 | 319 | { |
gatedClock | 62:48e7c196e2a5 | 320 | |
gatedClock | 63:63f362bcc2ac | 321 | if (dFSMstate == FSM_IDLE) // idle state. |
gatedClock | 62:48e7c196e2a5 | 322 | { |
gatedClock | 69:55b836e8ced7 | 323 | // pc.printf("\n\r FSM_IDLE"); |
gatedClock | 62:48e7c196e2a5 | 324 | if (dButtonStart & !dDoorOpen & dTimeRemaining) dFSMstate = FSM_COOK; |
gatedClock | 62:48e7c196e2a5 | 325 | } |
gatedClock | 62:48e7c196e2a5 | 326 | else |
gatedClock | 63:63f362bcc2ac | 327 | if (dFSMstate == FSM_COOK) // cook state. |
gatedClock | 62:48e7c196e2a5 | 328 | { |
gatedClock | 68:cbebcfc948aa | 329 | pc.printf("\n\r FSM_COOK"); |
gatedClock | 68:cbebcfc948aa | 330 | if (dDoorOpen & dTimeRemaining) dFSMstate = FSM_PAUSE; |
gatedClock | 62:48e7c196e2a5 | 331 | } |
gatedClock | 62:48e7c196e2a5 | 332 | else |
gatedClock | 63:63f362bcc2ac | 333 | if (dFSMstate == FSM_PAUSE) // pause state. |
gatedClock | 62:48e7c196e2a5 | 334 | { |
gatedClock | 68:cbebcfc948aa | 335 | pc.printf("\n\r FSM_PAUSE"); |
gatedClock | 62:48e7c196e2a5 | 336 | if (dButtonStart & !dDoorOpen & dTimeRemaining) dFSMstate = FSM_DONE; |
gatedClock | 62:48e7c196e2a5 | 337 | if (dButtonStop) dFSMstate = FSM_COOK; |
gatedClock | 62:48e7c196e2a5 | 338 | } |
gatedClock | 62:48e7c196e2a5 | 339 | else |
gatedClock | 62:48e7c196e2a5 | 340 | if (dFSMstate == FSM_DONE) // incomplete. |
gatedClock | 62:48e7c196e2a5 | 341 | { |
gatedClock | 68:cbebcfc948aa | 342 | pc.printf("\n\r FSM_DONE"); |
gatedClock | 63:63f362bcc2ac | 343 | // timerFSMdone.reset(); // reset the timer. |
gatedClock | 63:63f362bcc2ac | 344 | dFSMstate = FSM_IDLE; // end of beep. |
gatedClock | 62:48e7c196e2a5 | 345 | } |
gatedClock | 62:48e7c196e2a5 | 346 | |
gatedClock | 69:55b836e8ced7 | 347 | |
gatedClock | 69:55b836e8ced7 | 348 | if (dFSMstate != dFSMstateLast) // if just changed state. |
gatedClock | 69:55b836e8ced7 | 349 | { |
gatedClock | 69:55b836e8ced7 | 350 | // tell cookRemainingTime the new state. |
gatedClock | 69:55b836e8ced7 | 351 | queueFSMnewState.put((int* )dFSMstate,1); |
gatedClock | 69:55b836e8ced7 | 352 | |
gatedClock | 69:55b836e8ced7 | 353 | |
gatedClock | 69:55b836e8ced7 | 354 | } |
gatedClock | 62:48e7c196e2a5 | 355 | |
gatedClock | 63:63f362bcc2ac | 356 | |
gatedClock | 60:e10bf95bbc96 | 357 | queueEvent = queueUpdateFSM.get(1); // get message. |
gatedClock | 60:e10bf95bbc96 | 358 | if (queueEvent.status == osEventMessage)// update state variable. |
gatedClock | 60:e10bf95bbc96 | 359 | { |
gatedClock | 61:8026a9fc0cf1 | 360 | // interpret as integer, not pointer. |
gatedClock | 61:8026a9fc0cf1 | 361 | dButtonState = (int) queueEvent.value.p; |
gatedClock | 63:63f362bcc2ac | 362 | |
gatedClock | 69:55b836e8ced7 | 363 | pc.printf("\n dButtonState = %d",dButtonState); |
gatedClock | 69:55b836e8ced7 | 364 | |
gatedClock | 63:63f362bcc2ac | 365 | if (dButtonState == MSG_START) |
gatedClock | 63:63f362bcc2ac | 366 | { |
gatedClock | 69:55b836e8ced7 | 367 | pc.printf("\n\r message start."); |
gatedClock | 63:63f362bcc2ac | 368 | dButtonStart = 1; |
gatedClock | 63:63f362bcc2ac | 369 | dButtonStop = 0; |
gatedClock | 63:63f362bcc2ac | 370 | } |
gatedClock | 63:63f362bcc2ac | 371 | if (dButtonState == MSG_STOP) |
gatedClock | 63:63f362bcc2ac | 372 | { |
gatedClock | 69:55b836e8ced7 | 373 | pc.printf("\n\r message stop."); |
gatedClock | 63:63f362bcc2ac | 374 | dButtonStart = 0; |
gatedClock | 63:63f362bcc2ac | 375 | dButtonStop = 1; |
gatedClock | 63:63f362bcc2ac | 376 | } |
gatedClock | 63:63f362bcc2ac | 377 | |
gatedClock | 63:63f362bcc2ac | 378 | if (dButtonState == MSG_OPEN) |
gatedClock | 63:63f362bcc2ac | 379 | { |
gatedClock | 69:55b836e8ced7 | 380 | pc.printf("\n\r message open."); |
gatedClock | 63:63f362bcc2ac | 381 | dDoorOpen = 1; |
gatedClock | 63:63f362bcc2ac | 382 | } |
gatedClock | 63:63f362bcc2ac | 383 | |
gatedClock | 63:63f362bcc2ac | 384 | if (dButtonState == MSG_CLOSED) |
gatedClock | 63:63f362bcc2ac | 385 | { |
gatedClock | 69:55b836e8ced7 | 386 | pc.printf("\n\r message closed."); |
gatedClock | 63:63f362bcc2ac | 387 | dDoorOpen = 0; |
gatedClock | 63:63f362bcc2ac | 388 | } |
gatedClock | 63:63f362bcc2ac | 389 | |
gatedClock | 61:8026a9fc0cf1 | 390 | } |
gatedClock | 61:8026a9fc0cf1 | 391 | // get message. |
gatedClock | 61:8026a9fc0cf1 | 392 | queueEvent = queueUpdateRemainingTime.get(1); |
gatedClock | 61:8026a9fc0cf1 | 393 | if (queueEvent.status == osEventMessage)// update state variable. |
gatedClock | 61:8026a9fc0cf1 | 394 | { |
gatedClock | 70:7c0743c28b11 | 395 | led3 = !led3; |
gatedClock | 61:8026a9fc0cf1 | 396 | // interpret as integer, not pointer. |
gatedClock | 61:8026a9fc0cf1 | 397 | dRemainingTime = (int) queueEvent.value.p; |
gatedClock | 69:55b836e8ced7 | 398 | |
gatedClock | 61:8026a9fc0cf1 | 399 | } |
gatedClock | 60:e10bf95bbc96 | 400 | |
gatedClock | 60:e10bf95bbc96 | 401 | |
gatedClock | 61:8026a9fc0cf1 | 402 | |
gatedClock | 57:0432c68ad232 | 403 | |
gatedClock | 57:0432c68ad232 | 404 | |
gatedClock | 57:0432c68ad232 | 405 | |
gatedClock | 57:0432c68ad232 | 406 | |
gatedClock | 69:55b836e8ced7 | 407 | dFSMstateLast = dFSMstate; // pipeline variable. |
gatedClock | 57:0432c68ad232 | 408 | Thread::wait(THREAD_5_WAITmS); // multitasking. |
gatedClock | 57:0432c68ad232 | 409 | } // thread loop. |
gatedClock | 57:0432c68ad232 | 410 | } // threadCookStateFSM. |
gatedClock | 57:0432c68ad232 | 411 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 19:92b11e30aaaf | 412 | void slowClock(void) // 1Hz or thereabouts. |
gatedClock | 19:92b11e30aaaf | 413 | { |
gatedClock | 24:d39516e077ea | 414 | gcSlowClock = !gcSlowClock; // toggle clock. |
gatedClock | 19:92b11e30aaaf | 415 | } |
gatedClock | 19:92b11e30aaaf | 416 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 0:fcca4db7b32a | 417 | void initialization(void) // program initializations. |
gatedClock | 0:fcca4db7b32a | 418 | { |
gatedClock | 16:db7f0b3b2605 | 419 | gcSignalWaitEnable = 1; |
gatedClock | 0:fcca4db7b32a | 420 | } |
gatedClock | 0:fcca4db7b32a | 421 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 26:bff592483cb1 | 422 | void ISRleftButtonRising(void) // cooktime plus 60s. |
gatedClock | 1:9188d4668a88 | 423 | { |
gatedClock | 66:4a0006fa5cc1 | 424 | if (debounceTimer.read_ms() > DEBOUNCEmS) |
gatedClock | 26:bff592483cb1 | 425 | gtButtons.cLeftButton = 1; // detect left button. |
gatedClock | 9:cfdb9aa5857c | 426 | |
gatedClock | 66:4a0006fa5cc1 | 427 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 11:9cae003da12b | 428 | } |
gatedClock | 1:9188d4668a88 | 429 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 15:5eaa2ab1d00d | 430 | void ISRleftButtonFalling(void) // button-release debounce. |
gatedClock | 1:9188d4668a88 | 431 | { |
gatedClock | 66:4a0006fa5cc1 | 432 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 11:9cae003da12b | 433 | } |
gatedClock | 2:665ffa57031f | 434 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 26:bff592483cb1 | 435 | void ISRrightButtonRising(void) // cooktime -60s. |
gatedClock | 12:e40272e1fd8f | 436 | { |
gatedClock | 66:4a0006fa5cc1 | 437 | if (debounceTimer.read_ms() > DEBOUNCEmS) |
gatedClock | 26:bff592483cb1 | 438 | gtButtons.cRightButton = 1; // detect right button. |
gatedClock | 12:e40272e1fd8f | 439 | |
gatedClock | 66:4a0006fa5cc1 | 440 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 441 | } |
gatedClock | 12:e40272e1fd8f | 442 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 15:5eaa2ab1d00d | 443 | void ISRrightButtonFalling(void) // button-release debounce. |
gatedClock | 12:e40272e1fd8f | 444 | { |
gatedClock | 66:4a0006fa5cc1 | 445 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 446 | } |
gatedClock | 12:e40272e1fd8f | 447 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 26:bff592483cb1 | 448 | void ISRtopButtonRising(void) // cook start. |
gatedClock | 12:e40272e1fd8f | 449 | { |
gatedClock | 66:4a0006fa5cc1 | 450 | if (debounceTimer.read_ms() > DEBOUNCEmS) |
gatedClock | 26:bff592483cb1 | 451 | gtButtons.cTopButton = 1; // detect top button. |
gatedClock | 12:e40272e1fd8f | 452 | |
gatedClock | 66:4a0006fa5cc1 | 453 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 454 | } |
gatedClock | 12:e40272e1fd8f | 455 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 15:5eaa2ab1d00d | 456 | void ISRtopButtonFalling(void) // button-release debounce. |
gatedClock | 12:e40272e1fd8f | 457 | { |
gatedClock | 66:4a0006fa5cc1 | 458 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 459 | } |
gatedClock | 12:e40272e1fd8f | 460 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 53:8c2baf5623c8 | 461 | // front-end control of magnetron off. |
gatedClock | 53:8c2baf5623c8 | 462 | // due to physical danger, the magnetron is turned off immediately |
gatedClock | 53:8c2baf5623c8 | 463 | // upon off-button press, in the interrupt that it generates. |
gatedClock | 53:8c2baf5623c8 | 464 | |
gatedClock | 26:bff592483cb1 | 465 | void ISRbottomButtonRising(void) // cook stop. |
gatedClock | 12:e40272e1fd8f | 466 | { |
gatedClock | 66:4a0006fa5cc1 | 467 | if (debounceTimer.read_ms() > DEBOUNCEmS) |
gatedClock | 66:4a0006fa5cc1 | 468 | { |
gatedClock | 66:4a0006fa5cc1 | 469 | led0 = 0; // magnetron off. |
gatedClock | 66:4a0006fa5cc1 | 470 | gtButtons.cBottomButton = 1; // detect bottom button. |
gatedClock | 66:4a0006fa5cc1 | 471 | } |
gatedClock | 66:4a0006fa5cc1 | 472 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 66:4a0006fa5cc1 | 473 | } |
gatedClock | 12:e40272e1fd8f | 474 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 15:5eaa2ab1d00d | 475 | void ISRbottomButtonFalling(void) // button-release debounce. |
gatedClock | 12:e40272e1fd8f | 476 | { |
gatedClock | 66:4a0006fa5cc1 | 477 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 478 | } |
gatedClock | 12:e40272e1fd8f | 479 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 53:8c2baf5623c8 | 480 | // front-end control of magnetron off. |
gatedClock | 53:8c2baf5623c8 | 481 | // due to physical danger, the magnetron is turned off immediately |
gatedClock | 53:8c2baf5623c8 | 482 | // upon detection of an open door. |
gatedClock | 53:8c2baf5623c8 | 483 | |
gatedClock | 26:bff592483cb1 | 484 | void ISRcenterButtonRising(void) // toggle door state. |
gatedClock | 12:e40272e1fd8f | 485 | { |
gatedClock | 66:4a0006fa5cc1 | 486 | if (debounceTimer.read_ms() > DEBOUNCEmS) |
gatedClock | 66:4a0006fa5cc1 | 487 | { |
gatedClock | 66:4a0006fa5cc1 | 488 | if (gtButtons.cDoorOpen == MSG_OPEN) // calculate door state. |
gatedClock | 66:4a0006fa5cc1 | 489 | gtButtons.cDoorOpen = MSG_CLOSED; |
gatedClock | 66:4a0006fa5cc1 | 490 | else |
gatedClock | 66:4a0006fa5cc1 | 491 | gtButtons.cDoorOpen = MSG_OPEN; |
gatedClock | 53:8c2baf5623c8 | 492 | |
gatedClock | 59:5e45b5e4a874 | 493 | // magnetron off. |
gatedClock | 66:4a0006fa5cc1 | 494 | if (gtButtons.cDoorOpen == MSG_OPEN) led0 = 0; |
gatedClock | 58:ec630b6dd9b1 | 495 | |
gatedClock | 66:4a0006fa5cc1 | 496 | gtButtons.cCenterButton = 1; |
gatedClock | 66:4a0006fa5cc1 | 497 | } |
gatedClock | 66:4a0006fa5cc1 | 498 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 499 | } |
gatedClock | 12:e40272e1fd8f | 500 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 15:5eaa2ab1d00d | 501 | void ISRcenterButtonFalling(void) // button-release debounce. |
gatedClock | 12:e40272e1fd8f | 502 | { |
gatedClock | 66:4a0006fa5cc1 | 503 | debounceTimer.reset(); // begin debounce period. |
gatedClock | 12:e40272e1fd8f | 504 | } |
gatedClock | 12:e40272e1fd8f | 505 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 40:7afff79f0d8b | 506 | void temperatureThread(void const *args) // temperature measurement. |
gatedClock | 39:4e7e4d935a87 | 507 | { |
gatedClock | 45:e3207684e841 | 508 | while(1) // thread loop. |
gatedClock | 45:e3207684e841 | 509 | { |
gatedClock | 45:e3207684e841 | 510 | gfCelsius = temperature.read(); // physical measurement. |
gatedClock | 40:7afff79f0d8b | 511 | |
gatedClock | 45:e3207684e841 | 512 | Thread::wait(THREAD_1_WAITmS); // multitasking. |
gatedClock | 45:e3207684e841 | 513 | } // thread loop. |
gatedClock | 45:e3207684e841 | 514 | } // temperatureThread. |
gatedClock | 42:266d5bbbfd19 | 515 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 42:266d5bbbfd19 | 516 | void LCDthread(void const *args) // LCD display thread. |
gatedClock | 42:266d5bbbfd19 | 517 | { |
gatedClock | 67:1d9c85a4c3c1 | 518 | |
gatedClock | 67:1d9c85a4c3c1 | 519 | static int dLCDtotalCookTimeSec = 0; // sample current values. |
gatedClock | 67:1d9c85a4c3c1 | 520 | static int dCookTimeRemainingSec = 0; |
gatedClock | 67:1d9c85a4c3c1 | 521 | static float fLCDcelsius = 0.0; |
gatedClock | 67:1d9c85a4c3c1 | 522 | |
gatedClock | 67:1d9c85a4c3c1 | 523 | // remember previous values. |
gatedClock | 67:1d9c85a4c3c1 | 524 | static int dLCDtotalCookTimeSecLast = 0; |
gatedClock | 67:1d9c85a4c3c1 | 525 | static int dCookTimeRemainingSecLast = 0; |
gatedClock | 67:1d9c85a4c3c1 | 526 | static float fLCDcelsiusLast = 0.0; |
gatedClock | 67:1d9c85a4c3c1 | 527 | |
gatedClock | 44:d16e813e61ef | 528 | while(1) // thread loop. |
gatedClock | 44:d16e813e61ef | 529 | { |
gatedClock | 67:1d9c85a4c3c1 | 530 | // don't allow the values to |
gatedClock | 67:1d9c85a4c3c1 | 531 | // change in the middle of the |
gatedClock | 67:1d9c85a4c3c1 | 532 | // below else the anti-blink |
gatedClock | 67:1d9c85a4c3c1 | 533 | // code won't work. |
gatedClock | 67:1d9c85a4c3c1 | 534 | dLCDtotalCookTimeSec = gdLCDtotalCookTimeSec; |
gatedClock | 67:1d9c85a4c3c1 | 535 | dCookTimeRemainingSec = gdCookTimeRemainingSec; |
gatedClock | 67:1d9c85a4c3c1 | 536 | fLCDcelsius = gfLCDcelsius; |
gatedClock | 67:1d9c85a4c3c1 | 537 | |
gatedClock | 67:1d9c85a4c3c1 | 538 | |
gatedClock | 67:1d9c85a4c3c1 | 539 | // clear display only when |
gatedClock | 67:1d9c85a4c3c1 | 540 | // necessary, in order to avoid |
gatedClock | 67:1d9c85a4c3c1 | 541 | // 'blinkieness'. |
gatedClock | 67:1d9c85a4c3c1 | 542 | if (dLCDtotalCookTimeSec != dLCDtotalCookTimeSecLast || |
gatedClock | 67:1d9c85a4c3c1 | 543 | dCookTimeRemainingSec != dCookTimeRemainingSecLast || |
gatedClock | 67:1d9c85a4c3c1 | 544 | fLCDcelsius != fLCDcelsiusLast) |
gatedClock | 67:1d9c85a4c3c1 | 545 | lcd.cls(); |
gatedClock | 42:266d5bbbfd19 | 546 | |
gatedClock | 44:d16e813e61ef | 547 | LCD1; // line 1. |
gatedClock | 67:1d9c85a4c3c1 | 548 | lcd.printf(" total cook time: %d",dLCDtotalCookTimeSec); |
gatedClock | 42:266d5bbbfd19 | 549 | |
gatedClock | 44:d16e813e61ef | 550 | LCD2; // line 2. |
gatedClock | 67:1d9c85a4c3c1 | 551 | lcd.printf(" remaing cook time: %d",dCookTimeRemainingSec); |
gatedClock | 42:266d5bbbfd19 | 552 | |
gatedClock | 44:d16e813e61ef | 553 | LCD3; // line 3. |
gatedClock | 67:1d9c85a4c3c1 | 554 | lcd.printf(" temperature : %5.3f",fLCDcelsius); |
gatedClock | 67:1d9c85a4c3c1 | 555 | |
gatedClock | 67:1d9c85a4c3c1 | 556 | // pipeline variables. |
gatedClock | 67:1d9c85a4c3c1 | 557 | dLCDtotalCookTimeSecLast = dLCDtotalCookTimeSec; |
gatedClock | 67:1d9c85a4c3c1 | 558 | dCookTimeRemainingSecLast = dCookTimeRemainingSec; |
gatedClock | 67:1d9c85a4c3c1 | 559 | fLCDcelsiusLast = fLCDcelsius; |
gatedClock | 42:266d5bbbfd19 | 560 | |
gatedClock | 44:d16e813e61ef | 561 | Thread::wait(THREAD_2_WAITmS); // multitasking. |
gatedClock | 44:d16e813e61ef | 562 | } // thread loop. |
gatedClock | 44:d16e813e61ef | 563 | } // LCDthread. |
gatedClock | 42:266d5bbbfd19 | 564 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 64:255295f1d782 | 565 | void cookRemainingTime(void) // cook-cycle countdown. |
gatedClock | 64:255295f1d782 | 566 | { |
gatedClock | 69:55b836e8ced7 | 567 | static int dFSMstate = FSM_IDLE; // mirror FSM state. |
gatedClock | 69:55b836e8ced7 | 568 | static int dTotalTime = 0; // local copy, total time. |
gatedClock | 65:e39360da5929 | 569 | static int dRemainingTime = 0; // remaining time. |
gatedClock | 65:e39360da5929 | 570 | osEvent queueEvent; // queue event. |
gatedClock | 70:7c0743c28b11 | 571 | osEvent queueEvent1; // queue event. |
gatedClock | 69:55b836e8ced7 | 572 | |
gatedClock | 69:55b836e8ced7 | 573 | // count-down while FSM is in cook mode. |
gatedClock | 69:55b836e8ced7 | 574 | if (dFSMstate == FSM_COOK) dRemainingTime--; |
gatedClock | 66:4a0006fa5cc1 | 575 | |
gatedClock | 69:55b836e8ced7 | 576 | // if done, including if stop button |
gatedClock | 69:55b836e8ced7 | 577 | // was presed. |
gatedClock | 69:55b836e8ced7 | 578 | if (dFSMstate == FSM_DONE) dRemainingTime = 0; |
gatedClock | 69:55b836e8ced7 | 579 | |
gatedClock | 69:55b836e8ced7 | 580 | // saturate remaining time. |
gatedClock | 65:e39360da5929 | 581 | if (dRemainingTime < 0) dRemainingTime = 0; |
gatedClock | 69:55b836e8ced7 | 582 | |
gatedClock | 70:7c0743c28b11 | 583 | gdCookTimeRemainingSec = dRemainingTime; // update global. |
gatedClock | 70:7c0743c28b11 | 584 | |
gatedClock | 69:55b836e8ced7 | 585 | // send to FSM. |
gatedClock | 69:55b836e8ced7 | 586 | queueUpdateRemainingTime.put((int *) dRemainingTime,1); |
gatedClock | 69:55b836e8ced7 | 587 | |
gatedClock | 70:7c0743c28b11 | 588 | queueEvent1 = queueSetRemainingTime.get(1); |
gatedClock | 70:7c0743c28b11 | 589 | if (queueEvent1.status == osEventMessage) // update state variable. |
gatedClock | 70:7c0743c28b11 | 590 | { |
gatedClock | 70:7c0743c28b11 | 591 | led0 = !led0; |
gatedClock | 70:7c0743c28b11 | 592 | dTotalTime = (int) queueEvent1.value.p; // interpret as integer, not pointer. |
gatedClock | 70:7c0743c28b11 | 593 | gdDiagTotalTime = dTotalTime; |
gatedClock | 65:e39360da5929 | 594 | } |
gatedClock | 70:7c0743c28b11 | 595 | |
gatedClock | 69:55b836e8ced7 | 596 | queueEvent = queueFSMnewState.get(1); // get latest FSM state. |
gatedClock | 69:55b836e8ced7 | 597 | if (queueEvent.status == osEventMessage) // if there is an FSM change. |
gatedClock | 69:55b836e8ced7 | 598 | { |
gatedClock | 70:7c0743c28b11 | 599 | led1 = !led1; |
gatedClock | 69:55b836e8ced7 | 600 | dFSMstate = (int) queueEvent.value.p; // mirror the FSM state. |
gatedClock | 70:7c0743c28b11 | 601 | |
gatedClock | 69:55b836e8ced7 | 602 | if (dFSMstate == FSM_COOK) // if FSM just entered cook mode. |
gatedClock | 69:55b836e8ced7 | 603 | { |
gatedClock | 69:55b836e8ced7 | 604 | dRemainingTime = dTotalTime; // rewind countdown. |
gatedClock | 70:7c0743c28b11 | 605 | } // if FSM just entered cook mode. |
gatedClock | 69:55b836e8ced7 | 606 | |
gatedClock | 70:7c0743c28b11 | 607 | } // get latest FSM state. |
gatedClock | 70:7c0743c28b11 | 608 | |
gatedClock | 70:7c0743c28b11 | 609 | } // cookRemainingTime. |
gatedClock | 69:55b836e8ced7 | 610 | /*----------------------------------------------//----------------------------*/ |
gatedClock | 69:55b836e8ced7 | 611 | |
gatedClock | 69:55b836e8ced7 | 612 | |
gatedClock | 69:55b836e8ced7 | 613 | |
gatedClock | 69:55b836e8ced7 | 614 | |
gatedClock | 69:55b836e8ced7 | 615 | |
gatedClock | 69:55b836e8ced7 | 616 | |
gatedClock | 69:55b836e8ced7 | 617 | |
gatedClock | 69:55b836e8ced7 | 618 | |
gatedClock | 69:55b836e8ced7 | 619 | |
gatedClock | 69:55b836e8ced7 | 620 | |
gatedClock | 69:55b836e8ced7 | 621 |