src/main/drivers/temperature/ds18b20.h

   1
   2 #pragma once
   3
   4 #include <stdint.h>
   5 #include <stdbool.h>
   6 #include "drivers/1-wire.h"
   7
   8 #if defined(USE_1WIRE) && defined(USE_TEMPERATURE_DS18B20)
   9
  10 #define USE_TEMPERATURE_SENSOR
  11 #define DS18B20_DRIVER_AVAILABLE
  12
  13 #define DS18B20_CONFIG_9BIT 0x1F
  14 #define DS18B20_CONFIG_10BIT 0x3F
  15 #define DS18B20_CONFIG_11BIT 0x5F
  16 #define DS18B20_CONFIG_12BIT 0x7F
  17
  18 // milliseconds
  19 #define DS18B20_9BIT_CONVERSION_TIME 94
  20 #define DS18B20_10BIT_CONVERSION_TIME 188
  21 #define DS18B20_11BIT_CONVERSION_TIME 375
  22 #define DS18B20_12BIT_CONVERSION_TIME 750
  23
  24
  25 bool ds18b20Enumerate(owDev_t *owDev, uint64_t *rom_table, uint8_t *rom_table_len);
  26 bool ds18b20Configure(owDev_t *owDev, uint64_t rom, uint8_t config);
  27 bool ds18b20ParasiticPoweredPresent(owDev_t *owDev, bool *result);
  28 bool ds18b20ReadPowerSupply(owDev_t *owDev, uint64_t rom, bool *parasiticPowered);
  29 bool ds18b20StartConversionCommand(owDev_t *owDev);
  30 bool ds18b20StartConversion(owDev_t *owDev);
  31 bool ds18b20WaitForConversion(owDev_t *owDev);
  32 bool ds18b20ReadScratchpadCommand(owDev_t *owDev);
  33 bool ds18b20ReadTemperatureFromScratchPadBuf(const uint8_t *buf, int16_t *temperature);
  34 bool ds18b20ReadTemperature(owDev_t *owDev, uint64_t rom, int16_t *temperature);
  35
  36 #endif /* defined(USE_1WIRE) && defined(USE_TEMPERATURE_DS18B20) */