Diff: MS5611/MS5611I2C.h

Revision:

2:4d9204790be1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MS5611/MS5611I2C.h	Tue May 19 13:13:03 2020 +0000
@@ -0,0 +1,103 @@
+/*
+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.
+*/
+
+/*  MS5611 Modifications
+Aerodyne Labs
+Matthew Nelson - 2014
+This library was originally the MS5607 library.  It has been modified to 
+to be used the MS5611 Pressure sensor
+*/
+
+#ifndef MS5611_I2C_H
+#define MS5611_I2C_H
+
+#include "MS5611Base.h"
+
+extern Serial pc;
+
+class MS5611I2C : public MS5611Base {
+public:
+    MS5611I2C(I2C &i2c, int csb = 0) : i2c(i2c), i2cAddr(csb ? 0xEC : 0xEE) {
+    wait(.01);
+    i2c.frequency(400000);
+    wait(.01);
+    init();
+    ADC_toggler = false;
+    }
+
+private:
+    I2C &i2c;
+    int i2cAddr;
+    bool ADC_toggler;
+
+    virtual void writeCommand(int command, int ms = 0) {
+        char buf[1];
+        buf[0] = command;
+        i2c.write(i2cAddr, buf, 1);
+        if (ms) wait_ms(ms);
+    }
+
+    virtual int readPROM(int address) {
+            char buf[2];
+            buf[0] = (PROM_READ | (address << 1));
+
+        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[1];
+        cmd[0] = (ADC_CONV | command);
+        if (i2c.write(i2cAddr, cmd, 1) == 0) {
+            static int duration[] = {500, 1100, 2100, 4100, 8220};        // OSR_4096
+            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;
+    }
+    virtual int readADC_write(int command) {
+        char cmd[1];
+        cmd[0] = (ADC_CONV | command);
+        return (i2c.write(i2cAddr, cmd, 1)==0);
+    }
+
+    virtual int readADC_read(int command) {
+        char cmd[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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