Revision 4:e61b2723d2cf, committed 2013-09-16

Comitter:

neilt6

Date:

Mon Sep 16 22:02:40 2013 +0000

Parent:

3:32087cca331f

Child:

5:ffce4fe12ed1

Commit message:

Added new function for reading the state of charge measurement as an integer, added float and int operator overrides for state of charge measurements, improved example

Changed in this revision

--- a/MAX17048.cpp	Wed Aug 28 17:53:53 2013 +0000
+++ b/MAX17048.cpp	Mon Sep 16 22:02:40 2013 +0000
@@ -466,6 +466,15 @@
     return value * 0.00390625;
 }
 
+int MAX17048::socInt(void)
+{
+    //Read the 16-bit raw SOC value
+    unsigned short value = read(REG_SOC);
+
+    //Return only the top byte
+    return value >> 8;
+}
+
 float MAX17048::crate(void)
 {
     //Read the 16-bit raw C/Rate value

--- a/MAX17048.h	Wed Aug 28 17:53:53 2013 +0000
+++ b/MAX17048.h	Mon Sep 16 22:02:40 2013 +0000
@@ -36,17 +36,14 @@
  *         printf("Device detected!\n");
  *
  *         while (1) {
- *             //Read the cell voltage
- *             float vcell = gauge.vcell();
- *
- *             //Print the cell voltage
- *             printf("Vcell = %f\n", vcell);
+ *             //Print the current state of charge
+ *             printf("SOC = %f%%\n", (float)gauge);
  *
  *             //Sleep for 0.5 seconds
  *             wait(0.5);
  *         }
  *     } else {
- *         printf("Device not detected!\n");
+ *         error("Device not detected!\n");
  *     }
  * }
  * @endcode
@@ -286,18 +283,42 @@
     */
     float vcell(void);
 
-    /** Get the current state of charge measurement of the MAX17048
+    /** Get the current state of charge measurement of the MAX17048 as a float
      *
      * @returns The state of charge measurement as a float.
      */
     float soc(void);
 
+    /** Get the current state of charge measurement of the MAX17048 as an int
+     *
+     * @returns The state of charge measurement as an int.
+     */
+    int socInt(void);
+
     /** Get the current C rate measurement of the MAX17048
      *
      * @returns The C rate measurement as a float.
      */
     float crate(void);
 
+#ifdef MBED_OPERATORS
+    /** A shorthand for soc()
+     *
+     * @returns The state of charge measurement as a float.
+     */
+    operator float() {
+        return soc();
+    }
+
+    /** A shorthand for socInt()
+     *
+     * @returns The state of charge measurement as an int.
+     */
+    operator int() {
+        return socInt();
+    }
+#endif
+
 private:
     //I2C register addresses
     enum Register {