BM1383AGLV.h

00001 /* Copyright (c) 2015 ARM Ltd., MIT License
00002 *
00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004 * and associated documentation files (the "Software"), to deal in the Software without
00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
00007 * Software is furnished to do so, subject to the following conditions:
00008 *
00009 * The above copyright notice and this permission notice shall be included in all copies or
00010 * substantial portions of the Software.
00011 *
00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 *
00018 *
00019 *  BM1383AGLV Pressure sensor library
00020 *
00021 *  @author  Toyomasa Watarai
00022 *  @version 1.0
00023 *  @date    30-December-2015
00024 *
00025 *  Library for "BM1383AGLV Pressure sensor library"
00026 *    http://www.rohm.com/web/eu/news-detail?news-title=2014-12-11_ad_pressure&defaultGroupId=false
00027 *
00028 */
00029 
00030 #ifndef BM1383AGLV_H
00031 #define BM1383AGLV_H
00032 
00033 #include "mbed.h"
00034 
00035 #define BM1383AGLV_DEFAULT_SLAVE_ADDRESS         (0x5D << 1)
00036 #define BM1383AGLV_ID1_VAL             (0xE0)
00037 #define BM1383AGLV_ID2_VAL             (0x32)
00038 #define BM1383AGLV_ID1                 (0x0F)
00039 #define BM1383AGLV_ID2                 (0x10)
00040 #define BM1383AGLV_POWER_DOWN          (0x12)
00041 #define BM1383AGLV_RESET               (0x13)
00042 #define BM1383AGLV_MODE_CONTROL        (0x14)
00043 #define BM1383AGLV_STATUS              (0x19)
00044 #define BM1383AGLV_PRESSURE_MSB        (0x1A)
00045 #define BM1383AGLV_PRESSURE_LSB        (0x1B)
00046 #define BM1383AGLV_PRESSURE_XLSB       (0x1C)
00047 #define BM1383AGLV_TEMPERATURE_MSB     (0x1D)
00048 #define BM1383AGLV_TEMPERATURE_LSB     (0x1E)
00049 
00050 #define BM1383AGLV_WAIT_READY_STATUS    0
00051 
00052 #ifdef _DEBUG
00053 extern Serial pc;
00054 #define DEBUG_PRINT(...) pc.printf(__VA_ARGS__)
00055 #else
00056 #define DEBUG_PRINT(...)
00057 #endif
00058 
00059 /**
00060 * BM1383AGLV pressure sensor example
00061 *
00062 * @code
00063 * BM1383AGLV sensor(I2C_SDA, I2C_SCL);
00064 * Serial pc(USBTX, USBRX);
00065 * 
00066 * int main() {
00067 *     pc.printf("\nBM1383AGLV Pressure sensor library test program.\n");
00068 *
00069 *     while(1) {
00070 *         pc.printf("pressure=%7.2f, temperature=%5.3f\n", sensor.getPressure(), sensor.getTemperature());
00071 *         wait(0.5);
00072 *     }
00073 * }
00074 * @endcode
00075 */
00076 class BM1383AGLV
00077 {
00078 public:
00079     /**
00080     * BM1383AGLV constructor
00081     *
00082     * @param sda SDA pin
00083     * @param sdl SCL pin
00084     * @param addr slave address of the I2C peripheral (default: 0xBA)
00085     */
00086     BM1383AGLV(PinName sda, PinName scl, int addr = BM1383AGLV_DEFAULT_SLAVE_ADDRESS);
00087 
00088     /**
00089      * Create a BM1383AGLV instance which is connected to specified I2C pins
00090      * with specified address
00091      *
00092      * @param i2c_obj I2C object (instance)
00093      * @param addr slave address of the I2C-bus peripheral (default: 0xBA)
00094      */
00095     BM1383AGLV(I2C &i2c_obj, int addr = BM1383AGLV_DEFAULT_SLAVE_ADDRESS);
00096 
00097     /**
00098     * BM1383AGLV destructor
00099     */
00100     ~BM1383AGLV();
00101 
00102     /** Initializa BM1383AGLV sensor
00103      *
00104      *  Configure sensor setting
00105      *
00106      */
00107     void initialize(void);
00108 
00109     /**
00110      * Get pressure
00111      *
00112      * @returns pressure
00113      */
00114     float getPressure();
00115 
00116     /**
00117      * Get temerature
00118      *
00119      * @returns temperature
00120      */
00121     float getTemperature();
00122 
00123 private:
00124     I2C *i2c_p;
00125     I2C &i2c;
00126     int m_addr;
00127     uint8_t m_buf[3];
00128     void readRegs(int addr, uint8_t * data, int len);
00129     void writeRegs(uint8_t * data, int len);
00130 
00131 };
00132 
00133 #endif