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/* 3-floor Elevator Controller for RVController
* A product of Advanced Mesecons Devices, a Cheapie Systems company
* This is free and unencumbered software released into the public domain.
* See http://unlicense.org/ for more information */
#include <stdint.h>
#include <stdbool.h>
#include "rvcontroller-ecalls.h"
#include "states.h"
int state = STATE_INIT;
bool sensor1state = false;
bool sensor2state = false;
bool sensor3state = false;
bool call1state = false;
bool call2state = false;
bool call3state = false;
int direction = DIRECTION_UP;
int timer;
char channelbuf[16];
char msgbuf[8];
char uplanternon[] = "55ff55";
char uplanternoff[] = "003300";
char downlanternon[] = "ff5555";
char downlanternoff[] = "330000";
bool streq(char *a, char *b) {
for (int i=0;a[i] != 0 || b[i] != 0;i++) {
if (a[i] != b[i]) {
return false;
}
}
return true;
}
void sleep(uint32_t delay) {
//This will start having problems after about 130 years
//of uptime, but that's probably acceptable
uint32_t endtime = rdtime() + delay;
while (rdtime() < endtime) {}
return;
}
void sendSensorGetMessages(void) {
digiline_send("sensor1","GET");
digiline_send("sensor2","GET");
digiline_send("sensor3","GET");
}
void processDigilinesMessages(void) {
while (digiline_bufferlevel() > 0) {
digiline_receive(channelbuf,16,msgbuf,8);
if (streq(channelbuf,"sensor1")) {
sensor1state = (streq(msgbuf,"mesecon"));
} else if (streq(channelbuf,"sensor2")) {
sensor2state = (streq(msgbuf,"mesecon"));
} else if (streq(channelbuf,"sensor3")) {
sensor3state = (streq(msgbuf,"mesecon"));
} else if (streq(channelbuf,"button1") && (state != STATE_TIMING_1) && (state != STATE_IDLE_1)) {
call1state = true;
digiline_send("button1","light_on");
} else if (streq(channelbuf,"button2") && (state != STATE_TIMING_2) && (state != STATE_IDLE_2)) {
call2state = true;
digiline_send("button2","light_on");
} else if (streq(channelbuf,"button3") && (state != STATE_TIMING_3) && (state != STATE_IDLE_3)) {
call3state = true;
digiline_send("button3","light_on");
}
}
}
void main(void) {
while (true) {
sendSensorGetMessages();
processDigilinesMessages();
switch (state) {
case STATE_INIT:
printstr("\nElevator Controller\nfor RVController\nInitializing");
digiline_send("door1","extend");
digiline_send("door2","extend");
digiline_send("door3","extend");
digiline_send("sel","extend");
digiline_send("down","extend");
digiline_send("up","retract_sticky");
digiline_send("button1","light_off");
digiline_send("button2","light_off");
digiline_send("button3","light_off");
digiline_send("lantern1up",uplanternoff);
digiline_send("lantern2up",uplanternoff);
digiline_send("lantern2down",downlanternoff);
digiline_send("lantern3down",downlanternoff);
printstr("\nBottom Floor Demand");
state = STATE_BOTTOM_FLOOR_DEMAND;
break;
case STATE_BOTTOM_FLOOR_DEMAND:
if (sensor1state) {
printstr("\nBFD Complete");
digiline_send("down","retract_sticky");
digiline_send("door1","retract_sticky");
state = STATE_TIMING_1;
timer = 5;
digiline_send("lantern1up",uplanternon);
digiline_send("chime1","celevator_chime_up");
}
break;
case STATE_TIMING_1:
timer--;
if (timer <= 0) {
printstr("\nIdle at 1");
state = STATE_IDLE_1;
}
break;
case STATE_TIMING_2:
timer--;
if (timer <= 0) {
printstr("\nIdle at 2");
state = STATE_IDLE_2;
}
break;
case STATE_TIMING_3:
timer--;
if (timer <= 0) {
printstr("\nIdle at 3");
state = STATE_IDLE_3;
}
break;
case STATE_IDLE_1:
if (call2state) {
direction = DIRECTION_UP;
printstr("\nMoving to 2");
state = STATE_MOVING_2;
digiline_send("door1","extend");
digiline_send("sel","retract_sticky");
digiline_send("up","extend");
digiline_send("lantern1up",uplanternoff);
} else if (call3state) {
direction = DIRECTION_UP;
printstr("\nMoving to 3");
state = STATE_MOVING_3;
digiline_send("door1","extend");
digiline_send("sel","extend");
digiline_send("up","extend");
digiline_send("lantern1up",uplanternoff);
}
break;
case STATE_IDLE_2:
if (direction == DIRECTION_UP) {
if (call3state) {
direction = DIRECTION_UP;
printstr("\nMoving to 3");
state = STATE_MOVING_3;
digiline_send("door2","extend");
digiline_send("sel","extend");
digiline_send("up","extend");
digiline_send("lantern2up",uplanternoff);
digiline_send("lantern2down",downlanternoff);
} else if (call1state) {
direction = DIRECTION_DOWN;
printstr("\nMoving to 1");
state = STATE_MOVING_1;
digiline_send("door2","extend");
digiline_send("sel","extend");
digiline_send("down","extend");
digiline_send("lantern2up",uplanternoff);
digiline_send("lantern2down",downlanternoff);
}
} else {
if (call1state) {
direction = DIRECTION_DOWN;
printstr("\nMoving to 1");
state = STATE_MOVING_1;
digiline_send("door2","extend");
digiline_send("sel","extend");
digiline_send("down","extend");
digiline_send("lantern2up",uplanternoff);
digiline_send("lantern2down",downlanternoff);
} else if (call3state) {
direction = DIRECTION_UP;
printstr("\nMoving to 3");
state = STATE_MOVING_3;
digiline_send("door2","extend");
digiline_send("sel","extend");
digiline_send("up","extend");
digiline_send("lantern2up",uplanternoff);
digiline_send("lantern2down",downlanternoff);
}
}
break;
case STATE_IDLE_3:
if (call2state) {
direction = DIRECTION_DOWN;
printstr("\nMoving to 2");
state = STATE_MOVING_2;
digiline_send("door3","extend");
digiline_send("sel","retract_sticky");
digiline_send("down","extend");
digiline_send("lantern3down",downlanternoff);
} else if (call1state) {
direction = DIRECTION_DOWN;
printstr("\nMoving to 1");
state = STATE_MOVING_1;
digiline_send("door3","extend");
digiline_send("sel","extend");
digiline_send("down","extend");
digiline_send("lantern3down",downlanternoff);
}
break;
case STATE_MOVING_1:
if (sensor1state) {
printstr("\nArrived at 1");
digiline_send("button1","light_off");
direction = DIRECTION_UP;
digiline_send("down","retract_sticky");
digiline_send("door1","retract_sticky");
digiline_send("lantern1up",uplanternon);
digiline_send("chime1","celevator_chime_up");
timer = 5;
state = STATE_TIMING_1;
call1state = false;
}
break;
case STATE_MOVING_2:
if (sensor2state) {
printstr("\nArrived at 2");
digiline_send("button2","light_off");
digiline_send("up","retract_sticky");
digiline_send("down","retract_sticky");
digiline_send("door2","retract_sticky");
if (direction == DIRECTION_UP) {
digiline_send("lantern2up",uplanternon);
digiline_send("chime2","celevator_chime_up");
} else {
digiline_send("lantern2down",downlanternon);
digiline_send("chime2","celevator_chime_down");
}
timer = 5;
state = STATE_TIMING_2;
call2state = false;
}
break;
case STATE_MOVING_3:
if (sensor3state) {
printstr("\nArrived at 3");
digiline_send("button3","light_off");
direction = DIRECTION_DOWN;
digiline_send("up","retract_sticky");
digiline_send("door3","retract_sticky");
digiline_send("lantern3down",downlanternon);
digiline_send("chime3","celevator_chime_down");
timer = 5;
state = STATE_TIMING_3;
call3state = false;
}
break;
}
if ((state == STATE_IDLE_1) || (state == STATE_IDLE_2) || (state == STATE_IDLE_3)) {
lightweight_mode(1);
sleep(1);
lightweight_mode(0);
}
}
}
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