Jaime Martinez / MMA8451Q

Fork of Emilio Monti's MMA8451Q with public register access

Dependents:   Disgruntled_Car

Fork of MMA8451Q by Emilio Monti

MMA8451Q.h@2:a077541cbadc, 2012-10-11 (annotated)

Committer:
samux
Date:
Thu Oct 11 14:28:23 2012 +0000
Revision:
2:a077541cbadc
Parent:
1:d2630136d51e
Child:
3:db7126dbd63f
fixed doxygen program example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:d2630136d51e 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 1:d2630136d51e 2 *
samux 1:d2630136d51e 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:d2630136d51e 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 1:d2630136d51e 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 1:d2630136d51e 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 1:d2630136d51e 7 * Software is furnished to do so, subject to the following conditions:
samux 1:d2630136d51e 8 *
samux 1:d2630136d51e 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:d2630136d51e 10 * substantial portions of the Software.
samux 1:d2630136d51e 11 *
samux 1:d2630136d51e 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:d2630136d51e 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:d2630136d51e 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:d2630136d51e 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:d2630136d51e 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:d2630136d51e 17 */
samux 1:d2630136d51e 18
emilmont 0:6149091f755d 19 #ifndef MMA8451Q_H
emilmont 0:6149091f755d 20 #define MMA8451Q_H
emilmont 0:6149091f755d 21
emilmont 0:6149091f755d 22 #include "mbed.h"
emilmont 0:6149091f755d 23
samux 1:d2630136d51e 24 /**
samux 1:d2630136d51e 25 * MMA8451Q accelerometer example
samux 2:a077541cbadc 26 *
samux 2:a077541cbadc 27 * @code
samux 1:d2630136d51e 28 * #include "mbed.h"
samux 1:d2630136d51e 29 * #include "MMA8451Q.h"
samux 1:d2630136d51e 30 *
samux 1:d2630136d51e 31 * #define MMA8451_I2C_ADDRESS (0x1d<<1)
samux 1:d2630136d51e 32 *
samux 1:d2630136d51e 33 * int main(void) {
samux 1:d2630136d51e 34 * DigitalOut led(LED_GREEN);
samux 1:d2630136d51e 35 * MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS);
samux 1:d2630136d51e 36 * printf("WHO AM I: 0x%2X\r\n", acc.getWhoAmI());
samux 1:d2630136d51e 37 *
samux 1:d2630136d51e 38 * while (true) {
samux 1:d2630136d51e 39 * printf("-----------\r\n");
samux 1:d2630136d51e 40 * printf("acc_x: %d\r\n", acc.getAccX());
samux 1:d2630136d51e 41 * printf("acc_y: %d\r\n", acc.getAccY());
samux 1:d2630136d51e 42 * printf("acc_z: %d\r\n", acc.getAccZ());
samux 1:d2630136d51e 43 *
samux 1:d2630136d51e 44 * wait(1);
samux 1:d2630136d51e 45 * led = !led;
samux 1:d2630136d51e 46 * }
samux 1:d2630136d51e 47 * }
samux 2:a077541cbadc 48 * @endcode
samux 1:d2630136d51e 49 */
emilmont 0:6149091f755d 50 class MMA8451Q
emilmont 0:6149091f755d 51 {
emilmont 0:6149091f755d 52 public:
samux 1:d2630136d51e 53 /**
samux 1:d2630136d51e 54 * MMA8451Q constructor
samux 1:d2630136d51e 55 *
samux 1:d2630136d51e 56 * @param sda SDA pin
samux 1:d2630136d51e 57 * @param sdl SCL pin
samux 1:d2630136d51e 58 * @param addr addr of the I2C peripheral
emilmont 0:6149091f755d 59 */
emilmont 0:6149091f755d 60 MMA8451Q(PinName sda, PinName scl, int addr);
emilmont 0:6149091f755d 61
samux 1:d2630136d51e 62 /**
samux 1:d2630136d51e 63 * MMA8451Q destructor
emilmont 0:6149091f755d 64 */
emilmont 0:6149091f755d 65 ~MMA8451Q();
emilmont 0:6149091f755d 66
samux 1:d2630136d51e 67 /**
emilmont 0:6149091f755d 68 * Get the value of the WHO_AM_I register
emilmont 0:6149091f755d 69 *
samux 1:d2630136d51e 70 * @returns WHO_AM_I value
emilmont 0:6149091f755d 71 */
emilmont 0:6149091f755d 72 uint8_t getWhoAmI();
emilmont 0:6149091f755d 73
samux 1:d2630136d51e 74 /**
emilmont 0:6149091f755d 75 * Get X axis acceleration
emilmont 0:6149091f755d 76 *
samux 1:d2630136d51e 77 * @returns X axis acceleration
emilmont 0:6149091f755d 78 */
emilmont 0:6149091f755d 79 int16_t getAccX();
emilmont 0:6149091f755d 80
samux 1:d2630136d51e 81 /**
emilmont 0:6149091f755d 82 * Get Y axis acceleration
emilmont 0:6149091f755d 83 *
samux 1:d2630136d51e 84 * @returns Y axis acceleration
emilmont 0:6149091f755d 85 */
emilmont 0:6149091f755d 86 int16_t getAccY();
emilmont 0:6149091f755d 87
samux 1:d2630136d51e 88 /**
emilmont 0:6149091f755d 89 * Get Z axis acceleration
emilmont 0:6149091f755d 90 *
samux 1:d2630136d51e 91 * @returns Z axis acceleration
emilmont 0:6149091f755d 92 */
emilmont 0:6149091f755d 93 int16_t getAccZ();
emilmont 0:6149091f755d 94
samux 1:d2630136d51e 95 /**
emilmont 0:6149091f755d 96 * Get XYZ axis acceleration
emilmont 0:6149091f755d 97 *
samux 1:d2630136d51e 98 * @param res array where acceleration data will be stored
emilmont 0:6149091f755d 99 */
samux 1:d2630136d51e 100 void getAccAllAxis(int16_t * res);
emilmont 0:6149091f755d 101
emilmont 0:6149091f755d 102 private:
samux 1:d2630136d51e 103 I2C m_i2c;
emilmont 0:6149091f755d 104 int m_addr;
samux 1:d2630136d51e 105 void readRegs(int addr, uint8_t * data, int len);
samux 1:d2630136d51e 106 void writeRegs(uint8_t * data, int len);
emilmont 0:6149091f755d 107 int16_t getAccAxis(uint8_t addr);
emilmont 0:6149091f755d 108
emilmont 0:6149091f755d 109 };
emilmont 0:6149091f755d 110
emilmont 0:6149091f755d 111 #endif