Line data    Source code

       1             : /*
       2             :    This program is free software: you can redistribute it and/or modify
       3             :    it under the terms of the GNU General Public License as published by
       4             :    the Free Software Foundation, either version 3 of the License, or
       5             :    (at your option) any later version.
       6             : 
       7             :    This program is distributed in the hope that it will be useful,
       8             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
       9             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      10             :    GNU General Public License for more details.
      11             : 
      12             :    You should have received a copy of the GNU General Public License
      13             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.
      14             :  */
      15             : 
      16             : /*
      17             :  * I2C driver for Texas Instruments TMP119 high-accuracy digital temperature sensor.
      18             :  * The TMP119 is a variant of the TMP117 with a different device ID (0x2117).
      19             :  */
      20             : 
      21             : #pragma once
      22             : 
      23             : #include "AP_TemperatureSensor_Backend.h"
      24             : 
      25             : #if AP_TEMPERATURE_SENSOR_TMP119_ENABLED
      26             : 
      27             : #ifndef AP_TEMPERATURE_SENSOR_TMP119_DEFAULT_I2C_ADDR
      28             : #define AP_TEMPERATURE_SENSOR_TMP119_DEFAULT_I2C_ADDR 0x48
      29             : #endif
      30             : 
      31             : class AP_TemperatureSensor_TMP119 : public AP_TemperatureSensor_Backend {
      32             :     using AP_TemperatureSensor_Backend::AP_TemperatureSensor_Backend;
      33             : 
      34             : public:
      35             :     __INITFUNC__ void init(void) override;
      36             : 
      37           0 :     void update() override {};
      38             : 
      39             : private:
      40             :     // update the temperature, called at 20Hz
      41             :     void _timer(void);
      42             : 
      43             :     // read a 16-bit big-endian register
      44             :     bool read_registers(uint8_t reg, uint16_t &value) const;
      45             : 
      46             :     // write a 16-bit big-endian register
      47             :     bool write_register(uint8_t reg, uint16_t value) const;
      48             : };
      49             : 
      50             : #endif // AP_TEMPERATURE_SENSOR_TMP119_ENABLED