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- /* 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
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