Darley Gonzalez / Mbed 2 deprecated I2C_Slave

Programa

Dependencies:   mbed

MMA8451Q.h@0:782b008e3b3a, 2021-03-02 (annotated)

Committer:
darley_gonzalez
Date:
Tue Mar 02 22:37:23 2021 +0000
Revision:
0:782b008e3b3a
I2c Slave

Who changed what in which revision?

UserRevisionLine numberNew contents of line
darley_gonzalez 0:782b008e3b3a 1 #ifndef MMA8451Q_H
darley_gonzalez 0:782b008e3b3a 2 #define MMA8451Q_H
darley_gonzalez 0:782b008e3b3a 3
darley_gonzalez 0:782b008e3b3a 4 #include "mbed.h"
darley_gonzalez 0:782b008e3b3a 5
darley_gonzalez 0:782b008e3b3a 6 /**
darley_gonzalez 0:782b008e3b3a 7 * MMA8451Q accelerometer example
darley_gonzalez 0:782b008e3b3a 8 *
darley_gonzalez 0:782b008e3b3a 9 * @code
darley_gonzalez 0:782b008e3b3a 10 * #include "mbed.h"
darley_gonzalez 0:782b008e3b3a 11 * #include "MMA8451Q.h"
darley_gonzalez 0:782b008e3b3a 12 *
darley_gonzalez 0:782b008e3b3a 13 * #define MMA8451_I2C_ADDRESS (0x1d<<1)
darley_gonzalez 0:782b008e3b3a 14 *
darley_gonzalez 0:782b008e3b3a 15 * int main(void) {
darley_gonzalez 0:782b008e3b3a 16 *
darley_gonzalez 0:782b008e3b3a 17 * MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS);
darley_gonzalez 0:782b008e3b3a 18 * PwmOut rled(LED_RED);
darley_gonzalez 0:782b008e3b3a 19 * PwmOut gled(LED_GREEN);
darley_gonzalez 0:782b008e3b3a 20 * PwmOut bled(LED_BLUE);
darley_gonzalez 0:782b008e3b3a 21 *
darley_gonzalez 0:782b008e3b3a 22 * while (true) {
darley_gonzalez 0:782b008e3b3a 23 * rled = 1.0 - abs(acc.getAccX());
darley_gonzalez 0:782b008e3b3a 24 * gled = 1.0 - abs(acc.getAccY());
darley_gonzalez 0:782b008e3b3a 25 * bled = 1.0 - abs(acc.getAccZ());
darley_gonzalez 0:782b008e3b3a 26 * wait(0.1);
darley_gonzalez 0:782b008e3b3a 27 * }
darley_gonzalez 0:782b008e3b3a 28 * }
darley_gonzalez 0:782b008e3b3a 29 * @endcode
darley_gonzalez 0:782b008e3b3a 30 */
darley_gonzalez 0:782b008e3b3a 31 class MMA8451Q
darley_gonzalez 0:782b008e3b3a 32 {
darley_gonzalez 0:782b008e3b3a 33 public:
darley_gonzalez 0:782b008e3b3a 34 /**
darley_gonzalez 0:782b008e3b3a 35 * MMA8451Q constructor
darley_gonzalez 0:782b008e3b3a 36 *
darley_gonzalez 0:782b008e3b3a 37 * @param sda SDA pin
darley_gonzalez 0:782b008e3b3a 38 * @param sdl SCL pin
darley_gonzalez 0:782b008e3b3a 39 * @param addr addr of the I2C peripheral
darley_gonzalez 0:782b008e3b3a 40 */
darley_gonzalez 0:782b008e3b3a 41 MMA8451Q(PinName sda, PinName scl, int addr);
darley_gonzalez 0:782b008e3b3a 42
darley_gonzalez 0:782b008e3b3a 43 /**
darley_gonzalez 0:782b008e3b3a 44 * MMA8451Q destructor
darley_gonzalez 0:782b008e3b3a 45 */
darley_gonzalez 0:782b008e3b3a 46 ~MMA8451Q();
darley_gonzalez 0:782b008e3b3a 47
darley_gonzalez 0:782b008e3b3a 48 /**
darley_gonzalez 0:782b008e3b3a 49 * Get the value of the WHO_AM_I register
darley_gonzalez 0:782b008e3b3a 50 *
darley_gonzalez 0:782b008e3b3a 51 * @returns WHO_AM_I value
darley_gonzalez 0:782b008e3b3a 52 */
darley_gonzalez 0:782b008e3b3a 53 uint8_t getWhoAmI();
darley_gonzalez 0:782b008e3b3a 54
darley_gonzalez 0:782b008e3b3a 55 /**
darley_gonzalez 0:782b008e3b3a 56 * Get X axis acceleration
darley_gonzalez 0:782b008e3b3a 57 *
darley_gonzalez 0:782b008e3b3a 58 * @returns X axis acceleration
darley_gonzalez 0:782b008e3b3a 59 */
darley_gonzalez 0:782b008e3b3a 60 float getAccX();
darley_gonzalez 0:782b008e3b3a 61
darley_gonzalez 0:782b008e3b3a 62 /**
darley_gonzalez 0:782b008e3b3a 63 * Get Y axis acceleration
darley_gonzalez 0:782b008e3b3a 64 *
darley_gonzalez 0:782b008e3b3a 65 * @returns Y axis acceleration
darley_gonzalez 0:782b008e3b3a 66 */
darley_gonzalez 0:782b008e3b3a 67 float getAccY();
darley_gonzalez 0:782b008e3b3a 68
darley_gonzalez 0:782b008e3b3a 69 /**
darley_gonzalez 0:782b008e3b3a 70 * Get Z axis acceleration
darley_gonzalez 0:782b008e3b3a 71 *
darley_gonzalez 0:782b008e3b3a 72 * @returns Z axis acceleration
darley_gonzalez 0:782b008e3b3a 73 */
darley_gonzalez 0:782b008e3b3a 74 float getAccZ();
darley_gonzalez 0:782b008e3b3a 75
darley_gonzalez 0:782b008e3b3a 76 /**
darley_gonzalez 0:782b008e3b3a 77 * Get XYZ axis acceleration
darley_gonzalez 0:782b008e3b3a 78 *
darley_gonzalez 0:782b008e3b3a 79 * @param res array where acceleration data will be stored
darley_gonzalez 0:782b008e3b3a 80 */
darley_gonzalez 0:782b008e3b3a 81 void getAccAllAxis(float * res);
darley_gonzalez 0:782b008e3b3a 82
darley_gonzalez 0:782b008e3b3a 83 private:
darley_gonzalez 0:782b008e3b3a 84 I2C m_i2c;
darley_gonzalez 0:782b008e3b3a 85 int m_addr;
darley_gonzalez 0:782b008e3b3a 86 void readRegs(int addr, uint8_t * data, int len);
darley_gonzalez 0:782b008e3b3a 87 void writeRegs(uint8_t * data, int len);
darley_gonzalez 0:782b008e3b3a 88 int16_t getAccAxis(uint8_t addr);
darley_gonzalez 0:782b008e3b3a 89
darley_gonzalez 0:782b008e3b3a 90 };
darley_gonzalez 0:782b008e3b3a 91
darley_gonzalez 0:782b008e3b3a 92 #endif