| 180 | |
| 181 | |
| 182 | bool SHT31::heatOn() |
| 183 | { |
| 184 | if (isHeaterOn()) return true; |
| 185 | if ((_heaterStop > 0) && (millis() - _heaterStop < SHT31_HEATER_TIMEOUT)) |
| 186 | { |
| 187 | _error = SHT31_ERR_HEATER_COOLDOWN; |
| 188 | return false; |
| 189 | } |
| 190 | if (writeCmd(SHT31_HEAT_ON) == false) |
| 191 | { |
| 192 | _error = SHT31_ERR_HEATER_ON; |
| 193 | return false; |
| 194 | } |
| 195 | _heaterStart = millis(); |
| 196 | _heaterOn = true; |
| 197 | return true; |
| 198 | } |
| 199 | |
| 200 | |
| 201 | bool SHT31::heatOff() |