Hiroshi Yamaguchi / MS5607

MS5607 Parallax micro altimeter module interfaces (I2C & SPI)

Dependents:   MS5607Example Vertex_Integration_4 Time_MS5607_Pressure Time_MS5607_Temperature ... more

MS5607I2C.h@0:5760862143d1, 2012-07-03 (annotated)

Committer:
yamaguch
Date:
Tue Jul 03 08:57:57 2012 +0000
Revision:
0:5760862143d1
0.92

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yamaguch 0:5760862143d1 1 /*
yamaguch 0:5760862143d1 2 Copyright (c) 2012, Senio Networks, Inc.
yamaguch 0:5760862143d1 3
yamaguch 0:5760862143d1 4 Permission is hereby granted, free of charge, to any person obtaining a copy
yamaguch 0:5760862143d1 5 of this software and associated documentation files (the "Software"), to deal
yamaguch 0:5760862143d1 6 in the Software without restriction, including without limitation the rights
yamaguch 0:5760862143d1 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
yamaguch 0:5760862143d1 8 copies of the Software, and to permit persons to whom the Software is
yamaguch 0:5760862143d1 9 furnished to do so, subject to the following conditions:
yamaguch 0:5760862143d1 10
yamaguch 0:5760862143d1 11 The above copyright notice and this permission notice shall be included in
yamaguch 0:5760862143d1 12 all copies or substantial portions of the Software.
yamaguch 0:5760862143d1 13
yamaguch 0:5760862143d1 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
yamaguch 0:5760862143d1 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
yamaguch 0:5760862143d1 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
yamaguch 0:5760862143d1 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
yamaguch 0:5760862143d1 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
yamaguch 0:5760862143d1 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
yamaguch 0:5760862143d1 20 THE SOFTWARE.
yamaguch 0:5760862143d1 21 */
yamaguch 0:5760862143d1 22
yamaguch 0:5760862143d1 23 #ifndef MS5607_I2C_H
yamaguch 0:5760862143d1 24 #define MS5607_I2C_H
yamaguch 0:5760862143d1 25
yamaguch 0:5760862143d1 26 #include "MS5607Base.h"
yamaguch 0:5760862143d1 27
yamaguch 0:5760862143d1 28 class MS5607I2C : public MS5607Base {
yamaguch 0:5760862143d1 29 public:
yamaguch 0:5760862143d1 30 MS5607I2C(PinName sda, PinName scl, int csb = 0) : i2c(sda, scl), i2cAddr(csb ? 0xEC : 0xEE) {
yamaguch 0:5760862143d1 31 init();
yamaguch 0:5760862143d1 32 }
yamaguch 0:5760862143d1 33
yamaguch 0:5760862143d1 34 private:
yamaguch 0:5760862143d1 35 I2C i2c;
yamaguch 0:5760862143d1 36 int i2cAddr;
yamaguch 0:5760862143d1 37
yamaguch 0:5760862143d1 38 virtual void writeCommand(int command, int ms = 0) {
yamaguch 0:5760862143d1 39 char buf[1] = {command};
yamaguch 0:5760862143d1 40 i2c.write(i2cAddr, buf, 1);
yamaguch 0:5760862143d1 41 if (ms) wait_ms(ms);
yamaguch 0:5760862143d1 42 }
yamaguch 0:5760862143d1 43
yamaguch 0:5760862143d1 44 virtual int readPROM(int address) {
yamaguch 0:5760862143d1 45 char buf[2] = {PROM_READ | (address << 1), 0};
yamaguch 0:5760862143d1 46
yamaguch 0:5760862143d1 47 if (i2c.write(i2cAddr, buf, 1) == 0 &&
yamaguch 0:5760862143d1 48 i2c.read(i2cAddr, buf, 2) == 0)
yamaguch 0:5760862143d1 49 return buf[0] << 8 | buf[1];
yamaguch 0:5760862143d1 50
yamaguch 0:5760862143d1 51 return -1;
yamaguch 0:5760862143d1 52 }
yamaguch 0:5760862143d1 53
yamaguch 0:5760862143d1 54 virtual int readADC(int command) {
yamaguch 0:5760862143d1 55 char cmd[] = {ADC_CONV | command};
yamaguch 0:5760862143d1 56
yamaguch 0:5760862143d1 57 if (i2c.write(i2cAddr, cmd, sizeof(cmd)) == 0) {
yamaguch 0:5760862143d1 58 static int duration[] = {500, 1100, 2100, 4100, 8220};
yamaguch 0:5760862143d1 59 wait_us(duration[(command & 0x0F) >> 1]);
yamaguch 0:5760862143d1 60 cmd[0] = ADC_READ;
yamaguch 0:5760862143d1 61 char buf[3];
yamaguch 0:5760862143d1 62 if (i2c.write(i2cAddr, cmd, sizeof(cmd)) == 0 &&
yamaguch 0:5760862143d1 63 i2c.read(i2cAddr, buf, sizeof(buf)) == 0)
yamaguch 0:5760862143d1 64 return buf[0] << 16 | buf[1] << 8 | buf[2];
yamaguch 0:5760862143d1 65 }
yamaguch 0:5760862143d1 66
yamaguch 0:5760862143d1 67 return -1;
yamaguch 0:5760862143d1 68 }
yamaguch 0:5760862143d1 69 };
yamaguch 0:5760862143d1 70
yamaguch 0:5760862143d1 71 #endif