Complete library for whole scientific pre-final
Dependencies: BOX_1
ENVIROMENTAL/SI7021.h
- Committer:
- Alessio_Zaino
- Date:
- 2019-09-05
- Revision:
- 5:b0fa65791218
- Parent:
- 0:f8a9cceb4186
File content as of revision 5:b0fa65791218:
#ifndef SI7021_H #define SI7021_H #include "mbed.h" #define READ_TEMP 0xE0 // Read Temperature Command #define READ_HUM 0xE5 // Read RH Command /***** Si7012 Read ID *****/ #define READ_ID1_1 0xFA #define READ_ID1_2 0x0F #define READ_ID2_1 0xFC #define READ_ID2_2 0xC9 #define ADDR 0x80 //Device address #define FREQ 100000 //Device frequency #define DEVICE_ID 0x15 //Device id value class SI7021 { public: SI7021(PinName sda, PinName scl); int32_t get_temperature(); // Get last measured temperature data (ºC) uint32_t get_humidity(); // Get last measured relative humidity data (%) bool get_data(); // Perform measurement, return: 0 if successful bool check(); // Check if the sensor is active private: I2C i2c; uint8_t buff_rx[8]; uint8_t buff_tx[2]; uint32_t humData; int32_t tempData; }; #endif