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
|
#include "project.h"
#define N_VALVES 8
static volatile int semaphore = 0;
static const char *valve_name[N_VALVES] = {
"dd_radiator1",
"dd_radiator2",
"dd_radiator3",
"hall_radiator",
"kitchen_radiator",
"music_room_radiator",
"bathroom_radiator",
"plc0_radiator7",
};
static Onewire_addr valve_owa[N_VALVES] = {
{{0x28, 0xe3, 0x5d, 0x56, 0xb5, 0x01, 0x3c, 0x96}},
{{0x28, 0x0d, 0xaf, 0x56, 0xb5, 0x01, 0x3c, 0x89}},
{{0x28, 0x79, 0xb1, 0x56, 0xb5, 0x01, 0x3c, 0x13}},
{{0x28, 0x99, 0x8f, 0x56, 0xb5, 0x01, 0x3c, 0x1c}},
{{0x28, 0xb4, 0x98, 0x6e, 0x32, 0x20, 0x01, 0xc7}},
{{0x28, 0x0d, 0x4d, 0x56, 0xb5, 0x01, 0x3c, 0xd0}},
{{0x28, 0xb1, 0x71, 0x75, 0x32, 0x20, 0x01, 0xa9}},
{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
};
volatile int temp[N_VALVES];
#define BAD_TEMP 0x7fffffff
int low_limit[N_VALVES] = {
15000,
15000,
15000,
15000,
15000,
15000,
15000,
00000,
};
int high_limit[N_VALVES] = {
15000,
15000,
15000,
15000,
15000,
15000,
15000,
00000,
};
int valve_state[N_VALVES];
void mqtt_dispatch (char *type, char *who, char *what, char *msg)
{
unsigned i;
if (strcmp (type, "cmnd")) return;
for (i = 0; i < N_VALVES; ++i) {
if (!strcmp (who, valve_name[i])) {
if (!strcmp (what, "var1"))
low_limit[i] = atoi (msg) * 1000;
if (!strcmp (what, "var2"))
high_limit[i] = atoi (msg) * 1000;
}
}
}
static float scale(int i)
{
float ret;
ret=i;
return ret/1000.;
}
void logic_tick (void)
{
static unsigned i;
static int read_failed = 1;
static char msg_buf[80];
int t;
int o;
int v;
if (!read_failed)
read_failed = ds18b20_read (&valve_owa[i], &t);
if (read_failed) {
temp[i] = BAD_TEMP;
valve_state[i] = 0;
} else {
temp[i] = t;
if (t < low_limit[i])
valve_state[i] = 1;
if (t >= high_limit[i])
valve_state[i] = 0;
}
o = valve_state[i];
output_write (i, o);
v = input_get (i);
usart1_queue_buf (msg_buf, sprintf (msg_buf, "\r\nMQTTR stat/%s/POWER %s\r\n", valve_name[i], o ? "ON" : "OFF"));
usart1_queue_buf (msg_buf, sprintf (msg_buf, "\r\nMQTTR stat/%s/OPEN %d\r\n", valve_name[i], v));
usart1_queue_buf (msg_buf, sprintf (msg_buf, "\r\nMQTTR stat/%s/var1 %.2f\r\n", valve_name[i], scale(low_limit[i])));
usart1_queue_buf (msg_buf, sprintf (msg_buf, "\r\nMQTTR stat/%s/var2 %.2f\r\n", valve_name[i], scale(high_limit[i])));
if (!read_failed) {
usart1_queue_buf (msg_buf, sprintf (msg_buf, "\r\nMQTTR stat/%s/TEMPERATURE %.2f\r\n", valve_name[i], scale(temp[i])));
usart1_queue_buf (msg_buf, sprintf (msg_buf, "\r\nMQTTR stat/%s/DELTA %.2f\r\n", valve_name[i], scale(low_limit[i]-temp[i])));
}
i++;
if (i >= N_VALVES)
i = 0;
if (request_search) {
request_search = 0;
onewire_search();
}
read_failed = ds18b20_set_12_convert (&valve_owa[i]);
}
void logic_slow_tick (void)
{
semaphore = 1;
}
void logic_dispatch (void)
{
}
|
