finished
Dependencies: C12832 DebouncedInterrupt MMA7660 mbed-rtos mbed
main.cpp@0:151f0dbf3ca8, 2015-02-26 (annotated)
- Committer:
- cathal66
- Date:
- Thu Feb 26 15:00:42 2015 +0000
- Revision:
- 0:151f0dbf3ca8
- Child:
- 1:57407e283b03
fixed problem with push button
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
cathal66 | 0:151f0dbf3ca8 | 1 | #include "mbed.h" |
cathal66 | 0:151f0dbf3ca8 | 2 | #include "rtos.h" |
cathal66 | 0:151f0dbf3ca8 | 3 | #include "C12832.h" |
cathal66 | 0:151f0dbf3ca8 | 4 | |
cathal66 | 0:151f0dbf3ca8 | 5 | //FINITE STATE MACHINE EVENTS |
cathal66 | 0:151f0dbf3ca8 | 6 | #define NO_EVENT 0 |
cathal66 | 0:151f0dbf3ca8 | 7 | #define TIME_OUT 1 |
cathal66 | 0:151f0dbf3ca8 | 8 | #define BUTTON_PRESS 2 |
cathal66 | 0:151f0dbf3ca8 | 9 | |
cathal66 | 0:151f0dbf3ca8 | 10 | //STATES |
cathal66 | 0:151f0dbf3ca8 | 11 | #define STATE_0 0 |
cathal66 | 0:151f0dbf3ca8 | 12 | #define STATE_1 1 |
cathal66 | 0:151f0dbf3ca8 | 13 | #define STATE_2 2 |
cathal66 | 0:151f0dbf3ca8 | 14 | #define STATE_3 3 |
cathal66 | 0:151f0dbf3ca8 | 15 | #define STATE_4 4 |
cathal66 | 0:151f0dbf3ca8 | 16 | #define STATE_5 5 |
cathal66 | 0:151f0dbf3ca8 | 17 | |
cathal66 | 0:151f0dbf3ca8 | 18 | //pass event via message queue |
cathal66 | 0:151f0dbf3ca8 | 19 | typedef struct { |
cathal66 | 0:151f0dbf3ca8 | 20 | int event; /* AD result of measured voltage */ |
cathal66 | 0:151f0dbf3ca8 | 21 | } message_t; |
cathal66 | 0:151f0dbf3ca8 | 22 | |
cathal66 | 0:151f0dbf3ca8 | 23 | MemoryPool<message_t, 16> mpool; |
cathal66 | 0:151f0dbf3ca8 | 24 | Queue<message_t, 16> queue; |
cathal66 | 0:151f0dbf3ca8 | 25 | |
cathal66 | 0:151f0dbf3ca8 | 26 | //button plus local display |
cathal66 | 0:151f0dbf3ca8 | 27 | DigitalIn coin(p14); |
cathal66 | 0:151f0dbf3ca8 | 28 | |
cathal66 | 0:151f0dbf3ca8 | 29 | C12832 lcd(p5, p7, p6, p8, p11); |
cathal66 | 0:151f0dbf3ca8 | 30 | |
cathal66 | 0:151f0dbf3ca8 | 31 | //leds for debug |
cathal66 | 0:151f0dbf3ca8 | 32 | DigitalOut led_R(p23); //LED RGB red |
cathal66 | 0:151f0dbf3ca8 | 33 | DigitalOut led_G(p24); //LED RGB green |
cathal66 | 0:151f0dbf3ca8 | 34 | |
cathal66 | 0:151f0dbf3ca8 | 35 | DigitalOut led4(LED4); //LED RGB green |
cathal66 | 0:151f0dbf3ca8 | 36 | DigitalOut led3(LED3); //LED RGB green |
cathal66 | 0:151f0dbf3ca8 | 37 | |
cathal66 | 0:151f0dbf3ca8 | 38 | |
cathal66 | 0:151f0dbf3ca8 | 39 | void timeout_event(void const *n) |
cathal66 | 0:151f0dbf3ca8 | 40 | { |
cathal66 | 0:151f0dbf3ca8 | 41 | //generate local display info |
cathal66 | 0:151f0dbf3ca8 | 42 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 43 | lcd.locate(40,5); |
cathal66 | 0:151f0dbf3ca8 | 44 | lcd.printf("timeout event"); |
cathal66 | 0:151f0dbf3ca8 | 45 | |
cathal66 | 0:151f0dbf3ca8 | 46 | |
cathal66 | 0:151f0dbf3ca8 | 47 | //event via a message queue |
cathal66 | 0:151f0dbf3ca8 | 48 | message_t *message = mpool.alloc(); |
cathal66 | 0:151f0dbf3ca8 | 49 | message->event = TIME_OUT; |
cathal66 | 0:151f0dbf3ca8 | 50 | queue.put(message); |
cathal66 | 0:151f0dbf3ca8 | 51 | |
cathal66 | 0:151f0dbf3ca8 | 52 | led4 = !led4; |
cathal66 | 0:151f0dbf3ca8 | 53 | |
cathal66 | 0:151f0dbf3ca8 | 54 | } |
cathal66 | 0:151f0dbf3ca8 | 55 | |
cathal66 | 0:151f0dbf3ca8 | 56 | |
cathal66 | 0:151f0dbf3ca8 | 57 | void button_event_thread(void const *argument) { |
cathal66 | 0:151f0dbf3ca8 | 58 | int button_press=0; |
cathal66 | 0:151f0dbf3ca8 | 59 | while (true) { |
cathal66 | 0:151f0dbf3ca8 | 60 | |
cathal66 | 0:151f0dbf3ca8 | 61 | //debouce delay for switch |
cathal66 | 0:151f0dbf3ca8 | 62 | |
cathal66 | 0:151f0dbf3ca8 | 63 | if (coin) |
cathal66 | 0:151f0dbf3ca8 | 64 | { |
cathal66 | 0:151f0dbf3ca8 | 65 | button_press = 1; |
cathal66 | 0:151f0dbf3ca8 | 66 | if (button_press == 1 & coin == 0) |
cathal66 | 0:151f0dbf3ca8 | 67 | { |
cathal66 | 0:151f0dbf3ca8 | 68 | |
cathal66 | 0:151f0dbf3ca8 | 69 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 70 | lcd.locate(0,1); |
cathal66 | 0:151f0dbf3ca8 | 71 | lcd.printf("button event"); |
cathal66 | 0:151f0dbf3ca8 | 72 | |
cathal66 | 0:151f0dbf3ca8 | 73 | |
cathal66 | 0:151f0dbf3ca8 | 74 | //event via a message queue |
cathal66 | 0:151f0dbf3ca8 | 75 | message_t *message = mpool.alloc(); |
cathal66 | 0:151f0dbf3ca8 | 76 | message->event = BUTTON_PRESS; |
cathal66 | 0:151f0dbf3ca8 | 77 | queue.put(message); |
cathal66 | 0:151f0dbf3ca8 | 78 | |
cathal66 | 0:151f0dbf3ca8 | 79 | led3 = !led3; |
cathal66 | 0:151f0dbf3ca8 | 80 | button_press = 0; |
cathal66 | 0:151f0dbf3ca8 | 81 | } |
cathal66 | 0:151f0dbf3ca8 | 82 | } |
cathal66 | 0:151f0dbf3ca8 | 83 | else |
cathal66 | 0:151f0dbf3ca8 | 84 | { |
cathal66 | 0:151f0dbf3ca8 | 85 | //button_press = coin; |
cathal66 | 0:151f0dbf3ca8 | 86 | //Thread::wait(100); |
cathal66 | 0:151f0dbf3ca8 | 87 | } |
cathal66 | 0:151f0dbf3ca8 | 88 | } |
cathal66 | 0:151f0dbf3ca8 | 89 | } |
cathal66 | 0:151f0dbf3ca8 | 90 | |
cathal66 | 0:151f0dbf3ca8 | 91 | |
cathal66 | 0:151f0dbf3ca8 | 92 | int main (void) { |
cathal66 | 0:151f0dbf3ca8 | 93 | |
cathal66 | 0:151f0dbf3ca8 | 94 | //Thread fsm(fsm_thread); |
cathal66 | 0:151f0dbf3ca8 | 95 | Thread button_event(button_event_thread); |
cathal66 | 0:151f0dbf3ca8 | 96 | RtosTimer timer(timeout_event, osTimerPeriodic, (void *)0); |
cathal66 | 0:151f0dbf3ca8 | 97 | |
cathal66 | 0:151f0dbf3ca8 | 98 | int state = STATE_0; |
cathal66 | 0:151f0dbf3ca8 | 99 | |
cathal66 | 0:151f0dbf3ca8 | 100 | |
cathal66 | 0:151f0dbf3ca8 | 101 | //start timer with a 2 sec timeout |
cathal66 | 0:151f0dbf3ca8 | 102 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 103 | |
cathal66 | 0:151f0dbf3ca8 | 104 | while (true) { |
cathal66 | 0:151f0dbf3ca8 | 105 | switch(state) |
cathal66 | 0:151f0dbf3ca8 | 106 | { |
cathal66 | 0:151f0dbf3ca8 | 107 | case STATE_0: |
cathal66 | 0:151f0dbf3ca8 | 108 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 109 | lcd.locate(0,2); |
cathal66 | 0:151f0dbf3ca8 | 110 | lcd.printf("FSM START"); |
cathal66 | 0:151f0dbf3ca8 | 111 | |
cathal66 | 0:151f0dbf3ca8 | 112 | osEvent evt = queue.get(); |
cathal66 | 0:151f0dbf3ca8 | 113 | if (evt.status == osEventMessage) |
cathal66 | 0:151f0dbf3ca8 | 114 | { |
cathal66 | 0:151f0dbf3ca8 | 115 | message_t *message = (message_t*)evt.value.p; |
cathal66 | 0:151f0dbf3ca8 | 116 | |
cathal66 | 0:151f0dbf3ca8 | 117 | |
cathal66 | 0:151f0dbf3ca8 | 118 | if(message->event == BUTTON_PRESS) state = STATE_1; |
cathal66 | 0:151f0dbf3ca8 | 119 | if(message->event == TIME_OUT) state = STATE_0; |
cathal66 | 0:151f0dbf3ca8 | 120 | |
cathal66 | 0:151f0dbf3ca8 | 121 | mpool.free(message); |
cathal66 | 0:151f0dbf3ca8 | 122 | } |
cathal66 | 0:151f0dbf3ca8 | 123 | |
cathal66 | 0:151f0dbf3ca8 | 124 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 125 | |
cathal66 | 0:151f0dbf3ca8 | 126 | break; |
cathal66 | 0:151f0dbf3ca8 | 127 | |
cathal66 | 0:151f0dbf3ca8 | 128 | case STATE_1: |
cathal66 | 0:151f0dbf3ca8 | 129 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 130 | lcd.locate(0,2); |
cathal66 | 0:151f0dbf3ca8 | 131 | lcd.printf("FSM COUNTER 1"); |
cathal66 | 0:151f0dbf3ca8 | 132 | |
cathal66 | 0:151f0dbf3ca8 | 133 | evt = queue.get(); |
cathal66 | 0:151f0dbf3ca8 | 134 | if (evt.status == osEventMessage) |
cathal66 | 0:151f0dbf3ca8 | 135 | { |
cathal66 | 0:151f0dbf3ca8 | 136 | message_t *message = (message_t*)evt.value.p; |
cathal66 | 0:151f0dbf3ca8 | 137 | |
cathal66 | 0:151f0dbf3ca8 | 138 | |
cathal66 | 0:151f0dbf3ca8 | 139 | if(message->event == BUTTON_PRESS) state = STATE_2; |
cathal66 | 0:151f0dbf3ca8 | 140 | if(message->event == TIME_OUT) state = STATE_0; |
cathal66 | 0:151f0dbf3ca8 | 141 | |
cathal66 | 0:151f0dbf3ca8 | 142 | mpool.free(message); |
cathal66 | 0:151f0dbf3ca8 | 143 | } |
cathal66 | 0:151f0dbf3ca8 | 144 | |
cathal66 | 0:151f0dbf3ca8 | 145 | |
cathal66 | 0:151f0dbf3ca8 | 146 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 147 | |
cathal66 | 0:151f0dbf3ca8 | 148 | break; |
cathal66 | 0:151f0dbf3ca8 | 149 | |
cathal66 | 0:151f0dbf3ca8 | 150 | case STATE_2: |
cathal66 | 0:151f0dbf3ca8 | 151 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 152 | lcd.locate(0,2); |
cathal66 | 0:151f0dbf3ca8 | 153 | lcd.printf("FSM COUNTER 2"); |
cathal66 | 0:151f0dbf3ca8 | 154 | |
cathal66 | 0:151f0dbf3ca8 | 155 | evt = queue.get(); |
cathal66 | 0:151f0dbf3ca8 | 156 | if (evt.status == osEventMessage) |
cathal66 | 0:151f0dbf3ca8 | 157 | { |
cathal66 | 0:151f0dbf3ca8 | 158 | message_t *message = (message_t*)evt.value.p; |
cathal66 | 0:151f0dbf3ca8 | 159 | |
cathal66 | 0:151f0dbf3ca8 | 160 | |
cathal66 | 0:151f0dbf3ca8 | 161 | if(message->event == BUTTON_PRESS) state = STATE_3; |
cathal66 | 0:151f0dbf3ca8 | 162 | if(message->event == TIME_OUT) state = STATE_1; |
cathal66 | 0:151f0dbf3ca8 | 163 | |
cathal66 | 0:151f0dbf3ca8 | 164 | mpool.free(message); |
cathal66 | 0:151f0dbf3ca8 | 165 | } |
cathal66 | 0:151f0dbf3ca8 | 166 | |
cathal66 | 0:151f0dbf3ca8 | 167 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 168 | |
cathal66 | 0:151f0dbf3ca8 | 169 | break; |
cathal66 | 0:151f0dbf3ca8 | 170 | |
cathal66 | 0:151f0dbf3ca8 | 171 | case STATE_3: |
cathal66 | 0:151f0dbf3ca8 | 172 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 173 | lcd.locate(0,2); |
cathal66 | 0:151f0dbf3ca8 | 174 | lcd.printf("FSM COUNTER 3"); |
cathal66 | 0:151f0dbf3ca8 | 175 | |
cathal66 | 0:151f0dbf3ca8 | 176 | evt = queue.get(); |
cathal66 | 0:151f0dbf3ca8 | 177 | if (evt.status == osEventMessage) |
cathal66 | 0:151f0dbf3ca8 | 178 | { |
cathal66 | 0:151f0dbf3ca8 | 179 | message_t *message = (message_t*)evt.value.p; |
cathal66 | 0:151f0dbf3ca8 | 180 | |
cathal66 | 0:151f0dbf3ca8 | 181 | |
cathal66 | 0:151f0dbf3ca8 | 182 | if(message->event == BUTTON_PRESS) state = STATE_4; |
cathal66 | 0:151f0dbf3ca8 | 183 | if(message->event == TIME_OUT) state = STATE_2; |
cathal66 | 0:151f0dbf3ca8 | 184 | |
cathal66 | 0:151f0dbf3ca8 | 185 | mpool.free(message); |
cathal66 | 0:151f0dbf3ca8 | 186 | } |
cathal66 | 0:151f0dbf3ca8 | 187 | |
cathal66 | 0:151f0dbf3ca8 | 188 | |
cathal66 | 0:151f0dbf3ca8 | 189 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 190 | |
cathal66 | 0:151f0dbf3ca8 | 191 | break; |
cathal66 | 0:151f0dbf3ca8 | 192 | |
cathal66 | 0:151f0dbf3ca8 | 193 | case STATE_4: |
cathal66 | 0:151f0dbf3ca8 | 194 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 195 | lcd.locate(0,2); |
cathal66 | 0:151f0dbf3ca8 | 196 | lcd.printf("FSM COUNTER 4"); |
cathal66 | 0:151f0dbf3ca8 | 197 | |
cathal66 | 0:151f0dbf3ca8 | 198 | evt = queue.get(); |
cathal66 | 0:151f0dbf3ca8 | 199 | if (evt.status == osEventMessage) |
cathal66 | 0:151f0dbf3ca8 | 200 | { |
cathal66 | 0:151f0dbf3ca8 | 201 | message_t *message = (message_t*)evt.value.p; |
cathal66 | 0:151f0dbf3ca8 | 202 | |
cathal66 | 0:151f0dbf3ca8 | 203 | |
cathal66 | 0:151f0dbf3ca8 | 204 | if(message->event == BUTTON_PRESS) state = STATE_5; |
cathal66 | 0:151f0dbf3ca8 | 205 | if(message->event == TIME_OUT) state = STATE_3; |
cathal66 | 0:151f0dbf3ca8 | 206 | |
cathal66 | 0:151f0dbf3ca8 | 207 | mpool.free(message); |
cathal66 | 0:151f0dbf3ca8 | 208 | } |
cathal66 | 0:151f0dbf3ca8 | 209 | |
cathal66 | 0:151f0dbf3ca8 | 210 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 211 | |
cathal66 | 0:151f0dbf3ca8 | 212 | break; |
cathal66 | 0:151f0dbf3ca8 | 213 | |
cathal66 | 0:151f0dbf3ca8 | 214 | case STATE_5: |
cathal66 | 0:151f0dbf3ca8 | 215 | lcd.cls(); |
cathal66 | 0:151f0dbf3ca8 | 216 | lcd.locate(0,2); |
cathal66 | 0:151f0dbf3ca8 | 217 | lcd.printf("FSM COUNTER 5"); |
cathal66 | 0:151f0dbf3ca8 | 218 | |
cathal66 | 0:151f0dbf3ca8 | 219 | evt = queue.get(); |
cathal66 | 0:151f0dbf3ca8 | 220 | if (evt.status == osEventMessage) |
cathal66 | 0:151f0dbf3ca8 | 221 | { |
cathal66 | 0:151f0dbf3ca8 | 222 | message_t *message = (message_t*)evt.value.p; |
cathal66 | 0:151f0dbf3ca8 | 223 | |
cathal66 | 0:151f0dbf3ca8 | 224 | |
cathal66 | 0:151f0dbf3ca8 | 225 | if(message->event == BUTTON_PRESS) state = STATE_5; |
cathal66 | 0:151f0dbf3ca8 | 226 | if(message->event == TIME_OUT) state = STATE_4; |
cathal66 | 0:151f0dbf3ca8 | 227 | |
cathal66 | 0:151f0dbf3ca8 | 228 | mpool.free(message); |
cathal66 | 0:151f0dbf3ca8 | 229 | } |
cathal66 | 0:151f0dbf3ca8 | 230 | |
cathal66 | 0:151f0dbf3ca8 | 231 | |
cathal66 | 0:151f0dbf3ca8 | 232 | |
cathal66 | 0:151f0dbf3ca8 | 233 | timer.start(2000); |
cathal66 | 0:151f0dbf3ca8 | 234 | |
cathal66 | 0:151f0dbf3ca8 | 235 | break; |
cathal66 | 0:151f0dbf3ca8 | 236 | }//End of switch |
cathal66 | 0:151f0dbf3ca8 | 237 | |
cathal66 | 0:151f0dbf3ca8 | 238 | //toggle led for local testing |
cathal66 | 0:151f0dbf3ca8 | 239 | //led2= !led2; |
cathal66 | 0:151f0dbf3ca8 | 240 | |
cathal66 | 0:151f0dbf3ca8 | 241 | }//end of while(1) |
cathal66 | 0:151f0dbf3ca8 | 242 | |
cathal66 | 0:151f0dbf3ca8 | 243 | |
cathal66 | 0:151f0dbf3ca8 | 244 | } |