mbed os with nrf51 internal bandgap enabled to read battery level
Dependents: BLE_file_test BLE_Blink ExternalEncoder
Diff: features/unsupported/tests/peripherals/MMA8451Q/MMA8451Q.h
- Revision:
- 0:f269e3021894
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/features/unsupported/tests/peripherals/MMA8451Q/MMA8451Q.h Sun Oct 23 15:10:02 2016 +0000 @@ -0,0 +1,108 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* 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 MMA8451Q_H +#define MMA8451Q_H + +#include "mbed.h" + +/** +* MMA8451Q accelerometer example +* #include "mbed.h" +* #include "MMA8451Q.h" +* +* #define MMA8451_I2C_ADDRESS (0x1d<<1) +* +* int main(void) { +* DigitalOut led(LED_GREEN); +* MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS); +* printf("WHO AM I: 0x%2X\r\n", acc.getWhoAmI()); +* +* while (true) { +* printf("-----------\r\n"); +* printf("acc_x: %d\r\n", acc.getAccX()); +* printf("acc_y: %d\r\n", acc.getAccY()); +* printf("acc_z: %d\r\n", acc.getAccZ()); +* +* wait(1); +* led = !led; +* } +* } +*/ +class MMA8451Q +{ +public: + /** + * MMA8451Q constructor + * + * @param sda SDA pin + * @param sdl SCL pin + * @param addr addr of the I2C peripheral + */ + MMA8451Q(PinName sda, PinName scl, int addr); + + /** + * MMA8451Q destructor + */ + ~MMA8451Q(); + + /** + * Get the value of the WHO_AM_I register + * + * @returns WHO_AM_I value + */ + uint8_t getWhoAmI(); + + /** + * Get X axis acceleration + * + * @returns X axis acceleration + */ + int16_t getAccX(); + + /** + * Get Y axis acceleration + * + * @returns Y axis acceleration + */ + int16_t getAccY(); + + /** + * Get Z axis acceleration + * + * @returns Z axis acceleration + */ + int16_t getAccZ(); + + /** + * Get XYZ axis acceleration + * + * @param res array where acceleration data will be stored + */ + void getAccAllAxis(int16_t * res); + +private: + I2C m_i2c; + int m_addr; + void readRegs(int addr, uint8_t * data, int len); + void writeRegs(uint8_t * data, int len); + int16_t getAccAxis(uint8_t addr); + +}; + +#endif