MS5607 Parallax micro altimeter module interfaces (I2C & SPI)
Dependents: MS5607Example Vertex_Integration_4 Time_MS5607_Pressure Time_MS5607_Temperature ... more
Diff: MS5607I2C.h
- Revision:
- 0:5760862143d1
diff -r 000000000000 -r 5760862143d1 MS5607I2C.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MS5607I2C.h Tue Jul 03 08:57:57 2012 +0000 @@ -0,0 +1,71 @@ +/* +Copyright (c) 2012, Senio Networks, Inc. + +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 MS5607_I2C_H +#define MS5607_I2C_H + +#include "MS5607Base.h" + +class MS5607I2C : public MS5607Base { +public: + MS5607I2C(PinName sda, PinName scl, int csb = 0) : i2c(sda, scl), i2cAddr(csb ? 0xEC : 0xEE) { + init(); + } + +private: + I2C i2c; + int i2cAddr; + + virtual void writeCommand(int command, int ms = 0) { + char buf[1] = {command}; + i2c.write(i2cAddr, buf, 1); + if (ms) wait_ms(ms); + } + + virtual int readPROM(int address) { + char buf[2] = {PROM_READ | (address << 1), 0}; + + if (i2c.write(i2cAddr, buf, 1) == 0 && + i2c.read(i2cAddr, buf, 2) == 0) + return buf[0] << 8 | buf[1]; + + return -1; + } + + virtual int readADC(int command) { + char cmd[] = {ADC_CONV | command}; + + if (i2c.write(i2cAddr, cmd, sizeof(cmd)) == 0) { + static int duration[] = {500, 1100, 2100, 4100, 8220}; + wait_us(duration[(command & 0x0F) >> 1]); + cmd[0] = ADC_READ; + char buf[3]; + if (i2c.write(i2cAddr, cmd, sizeof(cmd)) == 0 && + i2c.read(i2cAddr, buf, sizeof(buf)) == 0) + return buf[0] << 16 | buf[1] << 8 | buf[2]; + } + + return -1; + } +}; + +#endif \ No newline at end of file