Darley Gonzalez
/
I2C_Slave
Programa
Diff: MMA8451Q.h
- Revision:
- 0:782b008e3b3a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA8451Q.h Tue Mar 02 22:37:23 2021 +0000 @@ -0,0 +1,92 @@ +#ifndef MMA8451Q_H +#define MMA8451Q_H + +#include "mbed.h" + +/** +* MMA8451Q accelerometer example +* +* @code +* #include "mbed.h" +* #include "MMA8451Q.h" +* +* #define MMA8451_I2C_ADDRESS (0x1d<<1) +* +* int main(void) { +* +* MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS); +* PwmOut rled(LED_RED); +* PwmOut gled(LED_GREEN); +* PwmOut bled(LED_BLUE); +* +* while (true) { +* rled = 1.0 - abs(acc.getAccX()); +* gled = 1.0 - abs(acc.getAccY()); +* bled = 1.0 - abs(acc.getAccZ()); +* wait(0.1); +* } +* } +* @endcode +*/ +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 + */ + float getAccX(); + + /** + * Get Y axis acceleration + * + * @returns Y axis acceleration + */ + float getAccY(); + + /** + * Get Z axis acceleration + * + * @returns Z axis acceleration + */ + float getAccZ(); + + /** + * Get XYZ axis acceleration + * + * @param res array where acceleration data will be stored + */ + void getAccAllAxis(float * 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 \ No newline at end of file