BMP180 is a digital barometric pressure sensor made by Bosch Sensortec (I2C Interface)
Dependents: LPC1114_data_logger ProjectIOT Wether_Meter LPC1114_barometer_with_data_logging
BMP180.h
- Committer:
- kenjiArai
- Date:
- 2014-06-15
- Revision:
- 0:9c1a7a1f0d97
- Child:
- 1:23942d7b7023
File content as of revision 0:9c1a7a1f0d97:
/* * mbed library program * Control BMP180(Bosch) Pressure Sensor * * Copyright (c) 2014 Kenji Arai / JH1PJL * http://www.page.sannet.ne.jp/kenjia/index.html * http://mbed.org/users/kenjiArai/ * Created: August 14th, 2013 for STM32L152 * Changed: May 21st, 2014 mbed LPC1114 * Revised: June 14th, 2014 * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef BMP180_H #define BMP180_H #include "mbed.h" class BMP180 { public: BMP180(PinName p_sda, PinName p_scl); BMP180(I2C& p_i2c); float read_temperature(); float read_pressure(); uint8_t read_baro_id(); void normalize(); protected: void init(void); void i2c_read_n_bytes(int, char*, int); void i2c_write_n_bytes(int, char*, int); I2C i2c; float temperature; float pressure; uint8_t id_number; private: // save EEPROM Data (Coefficient data) int16_t eep_ac1, eep_ac2, eep_ac3; uint16_t eep_ac4, eep_ac5, eep_ac6; int16_t eep_b1, eep_b2, eep_mb; // eep_mb:not use int16_t eep_mc, eep_md; // temporary save char baro_dt[4]; // address char BMP180_addr; }; #endif // BMP180_H