MAX44000 Device Driver

Diff: BMP180.h

Revision:

1:1a770989adcb

Parent:

0:b2219e6e444b

Child:

2:91f97c274e89

--- a/BMP180.h	Fri Apr 17 09:31:09 2015 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,230 +0,0 @@
-/*******************************************************************************
- * Copyright (C) 2015 Maxim Integrated Products, Inc., All Rights Reserved.
- *
- * 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 MAXIM INTEGRATED 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.
- *
- * Except as contained in this notice, the name of Maxim Integrated
- * Products, Inc. shall not be used except as stated in the Maxim Integrated
- * Products, Inc. Branding Policy.
- *
- * The mere transfer of this software does not imply any licenses
- * of trade secrets, proprietary technology, copyrights, patents,
- * trademarks, maskwork rights, or any other form of intellectual
- * property whatsoever. Maxim Integrated Products, Inc. retains all
- * ownership rights.
- *******************************************************************************
- */
-
-#ifndef _BMP180_H_
-#define _BMP180_H_
-
-#include "mbed.h"
-
-/**
- * Bosch BMP180 Digital Pressure Sensor
- *
- * @code
- * #include <stdio.h>
- * #include "mbed.h"
- * #include "BMP180.h"
- *
- * I2C i2c(I2C_SDA, I2C_SCL);
- * BMP180 bmp180(&i2c);
- *
- * int main(void) {
- *
- *     while(1) {
- *         if (bmp180.init() != 0) {
- *             printf("Error communicating with BMP180\n");
- *         } else {
- *             printf("Initialized BMP180\n");
- *             break;
- *         }
- *         wait(1);
- *     }
- *
- *     while(1) {
- *         bmp180.startTemperature();
- *         wait_ms(5);     // Wait for conversion to complete
- *         float temp;
- *         if(bmp180.getTemperature(&temp) != 0) {
- *             printf("Error getting temperature\n");
- *             continue;
- *         }
- *
- *         bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
- *         wait_ms(10);    // Wait for conversion to complete
- *         int pressure;
- *         if(bmp180.getPressure(&pressure) != 0) {
- *             printf("Error getting pressure\n");
- *             continue;
- *         }
- *
- *         printf("Pressure = %d Pa Temperature = %f C\n", pressure, temp);
- *         wait(1);
- *     }
- * }
- * @endcode
- */
-class BMP180
-{
-
-public:
-
-    /**
-     * @brief   Oversampling ratio.
-     * @details Dictates how many pressure samples to take. Conversion time varies
-     *          depending on the number of samples taken. Refer to data sheet
-     *          for timing specifications.
-     */
-    typedef enum {
-        ULTRA_LOW_POWER       = 0, ///< 1 pressure sample
-        STANDARD              = 1, ///< 2 pressure samples
-        HIGH_RESOLUTION       = 2, ///< 4 pressure samples
-        ULTRA_HIGH_RESOLUTION = 3, ///< 8 pressure samples
-    } oversampling_t;
-
-    /**
-     * BMP180 constructor.
-     *
-     * @param sda mbed pin to use for SDA line of I2C interface.
-     * @param scl mbed pin to use for SCL line of I2C interface.
-     */
-    BMP180(PinName sda, PinName scl);
-
-    /**
-     * BMP180 constructor.
-     *
-     * @param i2c I2C object to use.
-     */
-    BMP180(I2C *i2c);
-
-    /**
-     * BMP180 destructor.
-     */
-    ~BMP180();
-
-    /**
-     * @brief   Initialize BMP180.
-     * @details Gets the device ID and saves the calibration values.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int init(void);
-
-    /**
-     * @brief   Reset BMP180.
-     * @details Performs a soft reset of the device. Same sequence as power on reset.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int reset(void);
-
-    /**
-     * @brief   Check ID.
-     * @details Checks the device ID, should be 0x55 on reset.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int checkId(void);
-
-    /**
-     * @brief   Start pressure conversion.
-     * @details Initiates the pressure conversion sequence. Refer to data sheet
-     *          for timing specifications.
-     *
-     * @param   oss Number of samples to take.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int startPressure(BMP180::oversampling_t oss);
-
-    /**
-     * @brief   Get pressure reading.
-     * @details Calculates the pressure using the data calibration data and formula.
-     *          Pressure is reported in Pascals.
-     * @note    This function should be called after calling startPressure().
-     *          Refer to the data sheet for the timing requirements. Calling this
-     *          function too soon can result in oversampling.
-     *
-     * @param   pressure Pointer to store pressure reading.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int getPressure(int *pressure);
-
-    /**
-     * @brief   Start temperature conversion.
-     * @details Initiates the temperature conversion sequence. Refer to data
-     *          sheet for timing specifications.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int startTemperature(void);
-
-    /**
-     * @brief   Get temperature reading.
-     * @details Calculates the temperature using the data calibration data and formula.
-     *          Temperature is reported in degrees Celcius.
-     *
-     * @note    This function should be called after calling startTemperature().
-     *          Refer to the data sheet for the timing requirements. Calling this
-     *          function too soon can result in oversampling.
-     *
-     * @param   tempC Pointer to store temperature reading.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int getTemperature(float *tempC);
-
-    /**
-     * @brief   Get temperature reading.
-     * @details Calculates the temperature using the data calibration data and formula.
-     *          Temperature is reported in 1/10ths degrees Celcius.
-     *
-     * @note    This function should be called after calling startTemperature().
-     *          Refer to the data sheet for the timing requirements. Calling this
-     *          function too soon can result in oversampling.
-     *
-     * @param   tempCx10 Pointer to store temperature reading.
-     * @returns 0 if no errors, -1 if error.
-     */
-    int getTemperature(int16_t *tempCx10);
-
-private:
-
-    typedef union {
-        uint16_t value[11];
-        struct {
-            int16_t ac1;
-            int16_t ac2;
-            int16_t ac3;
-            uint16_t ac4;
-            uint16_t ac5;
-            uint16_t ac6;
-            int16_t b1;
-            int16_t b2;
-            int16_t mb;
-            int16_t mc;
-            int16_t md;
-        };
-    } calibration_t;
-
-    I2C *i2c_;
-    bool i2c_owner;
-
-    BMP180::calibration_t calib;
-    int32_t b5;
-    BMP180::oversampling_t oss_;
-};
-
-#endif /* _BMP180_H_ */