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oppgave 10
Dependencies: mbed
Revision 0:6f57f70cb6af, committed 2017-11-07
- Comitter:
- Smashftw
- Date:
- Tue Nov 07 12:42:37 2017 +0000
- Commit message:
- oppgave10
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 6f57f70cb6af main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Nov 07 12:42:37 2017 +0000 @@ -0,0 +1,184 @@ +#include "mbed.h" + +#define RED 4 +#define YELLOW 2 +#define GREEN 1 +#define ON 1 +#define OFF 0 + +#define _10SEK 100 +#define _5SEK 50 +#define _4SEK 40 +#define _2SEK 20 +#define _1SEK 10 + +BusOut ew_lights(p26, p27, p28); //Lyskryss retning OV +BusOut ns_lights(p21, p22, p23); //Lyskryss retnng NS +DigitalIn PED(p12); //Trykkbryter for ganglys +DigitalOut FK(LED1); //Ganglys klart +DigitalOut FV(LED4); //Ganglys vent +Ticker tc; // 10 Hz Klokke + +int time_tick = 0; +volatile int knapp = 0; + +enum {OV0, OV1, OV2, OV3, NS0, NS1, NS2, NS3, PED1, PED2, ILLEGAL} state; + +void day_night_control(void); +void tick_control(void); +void fsm(void); + +volatile int sysclock = 0; + +int main(void) { + tc.attach(&tick_control, 0.05); + state = OV0; + time_tick = 0; + + while(1) { + fsm(); + while (sysclock == 1); + while (sysclock == 0); + time_tick++; + } +} + +void tick_control() +{ + sysclock = !sysclock; +} + +void fsm(void) +{ + static int knapp = 0; + switch(state) { + case OV0: + ns_lights = RED; + ew_lights = GREEN; + FK = OFF; + FV = ON; + if (PED == ON) { + knapp = 1; + } + if (time_tick >= _10SEK) { + time_tick = 0; + state = OV1; + } + break; + case OV1: + ns_lights = RED; + ew_lights = YELLOW; + FK = OFF; + FV = ON; + if (PED == ON) { + knapp = 1; + } + if (time_tick >= _2SEK) { + time_tick = 0; + state = OV2; + } + break; + case OV2: + ns_lights = RED; + ew_lights = RED; + FK = OFF; + FV = ON; + if (PED == ON || knapp == 1) { + time_tick = 0; + state = PED1; + knapp = 0; + } + if (time_tick >= _1SEK) { + time_tick = 0; + state = OV3; + } + break; + case OV3: + ns_lights = RED+YELLOW; + ew_lights = RED; + FK = OFF; + FV = ON; + if (PED == ON) { + knapp = 1; + } + if(time_tick >= _1SEK) { + time_tick = 0; + state = NS0; + } + break; + case NS0: + ns_lights = GREEN; + ew_lights = RED; + FK = OFF; + FV = ON; + if (PED == ON) { + knapp = 1; + } + if(time_tick >= _5SEK) { + time_tick = 0; + state = NS1; + } + break; + case NS1: + ns_lights = YELLOW; + ew_lights = RED; + FK = OFF; + FV = ON; + if (PED == ON) { + knapp = 1; + } + if(time_tick >= _2SEK) { + time_tick = 0; + state = NS2; + } + break; + case NS2: + ns_lights = RED; + ew_lights = RED; + FK = OFF; + FV = ON; + if (PED == ON || knapp == 1) { + time_tick = 0; + state = PED2; + knapp = 0; + } + if(time_tick >= _1SEK) { + time_tick = 0; + state = NS3; + } + break; + case NS3: + ns_lights = RED; + ew_lights = RED+YELLOW; + FK = OFF; + FV = ON; + if (PED == ON) { + knapp = 1; + } + if(time_tick >= _1SEK) { + time_tick = 0; + state = OV0; + } + break; + case PED1: + ns_lights = RED; + ew_lights = RED; + FK = ON; + FV = OFF; + if(time_tick >= _10SEK) { + time_tick = 0; + state = OV3; + } + break; + case PED2: + ns_lights = RED; + ew_lights = RED; + FV = OFF; + FK = ON; + if(time_tick >= _10SEK) { + time_tick = 0; + state = NS3; + } + break; + } +}
diff -r 000000000000 -r 6f57f70cb6af mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Nov 07 12:42:37 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/fb8e0ae1cceb \ No newline at end of file