Diff: MS5607I2C.h

Revision:

0:5760862143d1

--- /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
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