comparison: components/esp32-ds18b20/ds18b20.c
components/esp32-ds18b20/ds18b20.c
- changeset 1
- ad2c8b13eb88
- parent 0
- b74b0e4902c3
- child 91
- 255a75322212
equal
deleted
inserted
replaced
| 0:b74b0e4902c3 | 1:ad2c8b13eb88 |
|---|---|
| 49 | 49 |
| 50 static const char * TAG = "ds18b20"; | 50 static const char * TAG = "ds18b20"; |
| 51 static const int T_CONV = 750; // maximum conversion time at 12-bit resolution in milliseconds | 51 static const int T_CONV = 750; // maximum conversion time at 12-bit resolution in milliseconds |
| 52 | 52 |
| 53 // Function commands | 53 // Function commands |
| 54 #define DS18B20_FUNCTION_TEMP_CONVERT 0x44 | 54 #define DS18B20_FUNCTION_TEMP_CONVERT 0x44 ///< Start temperature conversion |
| 55 #define DS18B20_FUNCTION_SCRATCHPAD_WRITE 0x4E | 55 #define DS18B20_FUNCTION_SCRATCHPAD_WRITE 0x4E ///< Write scratchpad |
| 56 #define DS18B20_FUNCTION_SCRATCHPAD_READ 0xBE | 56 #define DS18B20_FUNCTION_SCRATCHPAD_READ 0xBE ///< Read scratchpad |
| 57 #define DS18B20_FUNCTION_SCRATCHPAD_COPY 0x48 | 57 #define DS18B20_FUNCTION_SCRATCHPAD_COPY 0x48 ///< Copy scratchpad |
| 58 #define DS18B20_FUNCTION_EEPROM_RECALL 0xB8 | 58 #define DS18B20_FUNCTION_EEPROM_RECALL 0xB8 ///< EEPROM recall |
| 59 #define DS18B20_FUNCTION_POWER_SUPPLY_READ 0xB4 | 59 #define DS18B20_FUNCTION_POWER_SUPPLY_READ 0xB4 ///< Read powersupply mode |
| 60 | 60 |
| 61 /// @cond ignore | 61 /// @cond ignore |
| 62 typedef struct | 62 typedef struct |
| 63 { | 63 { |
| 64 uint8_t temperature[2]; // [0] is LSB, [1] is MSB | 64 uint8_t temperature[2]; // [0] is LSB, [1] is MSB |
