Mercurial > mbsePi-apps / file comparison
comparison: thermferm/devices.c
thermferm/devices.c
- changeset 209
- c5b1dfd83e81
- parent 203
- 47e5109c7f53
- child 212
- a76cbe676bf1
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| 208:934d45d9751d | 209:c5b1dfd83e81 |
|---|---|
| 38 | 38 |
| 39 int dht11_pin = -1; | 39 int dht11_pin = -1; |
| 40 int dht11_temperature = -1; | 40 int dht11_temperature = -1; |
| 41 int dht11_humidity = -1; | 41 int dht11_humidity = -1; |
| 42 int dht11_valid = FALSE; | 42 int dht11_valid = FALSE; |
| 43 int dht11_t_offset = 0; | |
| 44 int dht11_h_offset = 0; | |
| 45 | 43 |
| 46 | 44 |
| 47 static uint8_t sizecvt(const int read_value) { | 45 static uint8_t sizecvt(const int read_value) { |
| 48 /* | 46 /* |
| 49 * digitalRead() and friends from wiringpi are defined as returning a value | 47 * digitalRead() and friends from wiringpi are defined as returning a value |
| 142 if ((j >= 40) && (dht11_dat[4] == ((dht11_dat[0] + dht11_dat[1] + dht11_dat[2] + dht11_dat[3]) & 0xFF))) { | 140 if ((j >= 40) && (dht11_dat[4] == ((dht11_dat[0] + dht11_dat[1] + dht11_dat[2] + dht11_dat[3]) & 0xFF))) { |
| 143 got_correct_data = 1; | 141 got_correct_data = 1; |
| 144 | 142 |
| 145 int h = dht11_dat[0] + dht11_dat[1]; | 143 int h = dht11_dat[0] + dht11_dat[1]; |
| 146 int t = (dht11_dat[2] & 0x7F) + dht11_dat[3]; | 144 int t = (dht11_dat[2] & 0x7F) + dht11_dat[3]; |
| 147 t += dht11_t_offset; | |
| 148 h += dht11_h_offset; | |
| 149 | 145 |
| 150 if ((dht11_dat[2] & 0x80) != 0) | 146 if ((dht11_dat[2] & 0x80) != 0) |
| 151 t *= -1; | 147 t *= -1; |
| 152 | 148 |
| 153 dht11_temperature = t; | 149 dht11_temperature = t; |
