-
Notifications
You must be signed in to change notification settings - Fork 0
/
statemachine.cpp
180 lines (155 loc) · 4.52 KB
/
statemachine.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
#include "statemachine.h"
/* I/O Pins */
pin_t<C, 3> pin_oFanLED = pin_t<C, 3>(OUTPUT);
pin_t<C, 2> pin_oGlowLED = pin_t<C, 2>(OUTPUT);
pin_t<C, 1> pin_oErrorLED = pin_t<C, 1>(OUTPUT);
/* State Functions */
void onAllStates(instance_data_t *data) {
//Serial.println("On all states");
data->iState++;
}
state_t onStateInitial(instance_data_t *data) {
//Serial.println("Initial state");
data->iState = 0;
data->heater = new eberbn2();
// Initialize pins. Heater interface pins are taken care of by eberbn2 class.
data->errorCode = ERROR_NONE;
return STATE_STANDBY;
}
state_t onStateStandby(instance_data_t *data) {
//Serial.println("Standby state");
if (data->heater->get_overheatSwitch()) {
data->errorCode = ERROR_OVERHEAT;
return STATE_ERROR_COOLDOWN;
} else if (data->heater->get_flameSwitch()) {
data->errorCode = ERROR_FLAME;
return STATE_ERROR_COOLDOWN;
// } else if (isPowerOn) {
// return STATE_WARMUP;
} else {
return STATE_STANDBY;
}
}
state_t onStateWarmup(instance_data_t *data) {
//Serial.println("Warmup state");
if (data->iState*SAMPLE_TIME_MS > TIMEOUT_STATE_WARMUP_MS) {
return STATE_START;
} else {
return STATE_WARMUP;
}
}
state_t onStateStart(instance_data_t *data) {
//Serial.println("Start state");
if (data->heater->get_overheatSwitch()) {
data->errorCode = ERROR_OVERHEAT;
return STATE_ERROR_COOLDOWN;
} else if (data->heater->get_flameSwitch()) {
return STATE_RUN;
} else if (data->iState*SAMPLE_TIME_MS > TIMEOUT_STATE_START_MS) {
data->errorCode = ERROR_NOFLAME;
return STATE_ERROR_COOLDOWN;
} else {
return STATE_START;
}
}
state_t onStateRun(instance_data_t *data) {
if (data->heater->get_overheatSwitch()) {
data->errorCode = ERROR_OVERHEAT;
return STATE_ERROR_COOLDOWN;
} else if (~data->heater->get_flameSwitch()) {
data->errorCode = ERROR_NOFLAME;
return STATE_ERROR_COOLDOWN;
// } else if (~isPowerOn) {
// return STATE_COOLDOWN;
} else {
return STATE_RUN;
}
}
state_t onStateCooldown(instance_data_t *data) {
if (data->heater->get_flameSwitch()) {
data->errorCode = ERROR_NOFLAME;
return STATE_ERROR_COOLDOWN;
} else if (data->iState*SAMPLE_TIME_MS > TIMEOUT_STATE_COOLDOWN_MS) {
if (data->heater->get_flameSwitch()) {
data->errorCode = ERROR_FLAME;
return STATE_ERROR_COOLDOWN;
} else {
return STATE_STANDBY;
}
} else {
return STATE_COOLDOWN;
}
}
state_t onStateErrorCooldown(instance_data_t *data) {
flashErrorCode(data->errorCode);
if (data->iState*SAMPLE_TIME_MS > TIMEOUT_STATE_COOLDOWN_MS) {
return STATE_ERROR_COOLDOWN;
} else {
return STATE_ERROR;
}
}
state_t onStateError(instance_data_t *data) {
flashErrorCode(data->errorCode);
return STATE_ERROR;
}
/* State Transition Functions */
void onAllTransitions(instance_data_t *data) {
data->iState = 0;
}
void onTransitionStandby(instance_data_t *data) {
data->heater->set_fuelRelay(0);
data->heater->set_fanRelay(0);
data->heater->set_glowRelay(0);
}
void onTransitionWarmup(instance_data_t *data) {
data->heater->set_fuelRelay(0);
data->heater->set_fanRelay(0);
data->heater->set_glowRelay(1);
}
void onTransitionStart(instance_data_t *data) {
data->heater->set_fuelRelay(1);
data->heater->set_fanRelay(1);
data->heater->set_glowRelay(1);
}
void onTransitionRun(instance_data_t *data) {
data->heater->set_fuelRelay(1);
data->heater->set_fanRelay(1);
data->heater->set_glowRelay(0);
}
void onTransitionCooldown(instance_data_t *data) {
data->heater->set_fuelRelay(0);
data->heater->set_fanRelay(1);
data->heater->set_glowRelay(0);
}
void onTransitionErrorCooldown(instance_data_t *data) {
data->heater->set_fuelRelay(0);
data->heater->set_fanRelay(1);
data->heater->set_glowRelay(0);
}
void onTransitionError(instance_data_t *data) {
data->heater->set_fuelRelay(0);
data->heater->set_fanRelay(0);
data->heater->set_glowRelay(0);
}
/* State Transition Mechanism */
state_t run_state(state_t current_state, instance_data_t *data) {
onAllStates(data);
state_t new_state = state_table[current_state][new_state](data);
transition_func_t* transition = transition_table[current_state][new_state];
if(transition) {
onAllTransitions(data);
transition(data);
}
return new_state;
}
/* Helper Functions */
void flashErrorCode(error_t err) {
static uint16_t iFlash = 0;
if (iFlash%(NUM_ERRORS << 1)<(err << 1)) {
pin_oErrorLED = iFlash%2;
//gpio_wr(PIN, _PIN_O_LED_ERROR_, iFlash%2);
} else {
pin_oErrorLED = false;
}
iFlash++;
}