Custom project for driving a STC3100 sensor

Dependencies:   mbed

Fork of STC3100 by Levi Mariën

Files at this revision

API Documentation at this revision

Comitter:
tommienator
Date:
Sat Nov 04 13:07:17 2017 +0000
Parent:
0:014d4be7a437
Commit message:
stc3100

Changed in this revision

STC3100Sensor.cpp Show annotated file Show diff for this revision Revisions of this file
STC3100Sensor.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r 014d4be7a437 -r dbc1e56be2cc STC3100Sensor.cpp
--- a/STC3100Sensor.cpp	Sun Oct 29 00:11:17 2017 +0000
+++ b/STC3100Sensor.cpp	Sat Nov 04 13:07:17 2017 +0000
@@ -4,6 +4,8 @@
 #include "mbed.h"
 #include "STC3100Sensor.h"
 
+I2C i2c(D14, D15);
+
 /**
  * Configuring the STC3100
  * ------------------------
@@ -31,7 +33,7 @@
  */
 void stc3100ReadChip(void) {
 
-    i2c.read(STC3100_ADDRESS_READ, &(stc3100Data.byteArray[0]), 10);
+    i2c.read(STC3100_ADDRESS_READ, &(byteArray[0]), 10);
 }
 
 /**
@@ -45,27 +47,27 @@
     stc3100ReadChip();
 
     // Converting to voltage
-    high_byte = (unsigned int) stc3100Data.VoltageHigh;
+    high_byte = (unsigned int) VoltageHigh;
     high_byte <<= 8;
-    value = (high_byte & 0xFF00) | stc3100Data.VoltageLow;
-    stc3100ActualData.voltage = (float) value * 2.44;
+    value = (high_byte & 0xFF00) | VoltageLow;
+    voltage = (float) value * 2.44;
 
     // Converting to current
-    high_byte = (unsigned int) stc3100Data.CurrentHigh;
+    high_byte = (unsigned int) CurrentHigh;
     high_byte <<= 8;
-    value = (high_byte & 0xFF00) | stc3100Data.CurrentLow;
+    value = (high_byte & 0xFF00) | CurrentLow;
     value <<= 2;
-    stc3100ActualData.current =
+    current =
             ((((float) value * 11.77) / 10.0) / 4.0) > 0.0 ?
                     ((((float) value * 11.77) / 10.0) / 4.0) :
                     -((((float) value * 11.77) / 10.0) / 4.0);
-    stc3100ActualData.current -= 54.0;
+    current -= 54.0;
 
     // Converting to charge
-    high_byte = (unsigned int) stc3100Data.ChargeHigh;
+    high_byte = (unsigned int) ChargeHigh;
     high_byte <<= 8;
-    value = (high_byte & 0xFF00) | stc3100Data.ChargeLow;
-    stc3100ActualData.charge = ((float) value * 6.70) / 10.0;
+    value = (high_byte & 0xFF00) | ChargeLow;
+    charge = ((float) value * 6.70) / 10.0;
 
     //  // Converting to temperature
     //  high_byte = (unsigned int) stc3100Data.TemperatureHigh;
@@ -80,19 +82,19 @@
  * Method for returning the voltage
  */
 float getVoltage(void) {
-    return stc3100ActualData.voltage;
+    return voltage;
 }
 
 /**
  * Method for returning the current
  */
 float getCurrent(void) {
-    return stc3100ActualData.current;
+    return current;
 }
 
 /**
  * Method for returning the charge
  */
 float getCharge(void) {
-    return stc3100ActualData.charge;
+    return charge;
 }
diff -r 014d4be7a437 -r dbc1e56be2cc STC3100Sensor.h
--- a/STC3100Sensor.h	Sun Oct 29 00:11:17 2017 +0000
+++ b/STC3100Sensor.h	Sat Nov 04 13:07:17 2017 +0000
@@ -39,12 +39,6 @@
 //#define REG_ID6                 30
 //#define REG_ID7                 31
 
-typedef union STC3100Data {
-
-    // Reading of the chip will be stored in the byteArray
-    unsigned char byteArray[10];
-
-    struct {
         unsigned char Mode;
         unsigned char ControlStatus;
         unsigned char ChargeLow;
@@ -66,12 +60,10 @@
 //      unsigned char ID5;
 //      unsigned char ID6;
 //      unsigned char ID7;
-    };
-};
+
 /**
  * Struct that stores the updated values.
  */
-typedef struct STC3100ActualData {
     // Voltage in mV
     float voltage;
     // Current in mA
@@ -80,10 +72,11 @@
     float charge;
 //  // Temperature in °C
 //  float temperature;
-};
 
-STC3100ActualData stc3100ActualData;
-STC3100Data stc3100Data;
+//STC3100ActualData stc3100ActualData;
+//STC3100Data stc3100Data;
+// Reading of the chip will be stored in the byteArray
+char byteArray[10];
 
 void stc3100Configure(void);
 void stc3100ReadChip(void);
diff -r 014d4be7a437 -r dbc1e56be2cc main.cpp
--- a/main.cpp	Sun Oct 29 00:11:17 2017 +0000
+++ b/main.cpp	Sat Nov 04 13:07:17 2017 +0000
@@ -1,12 +1,13 @@
 #include "mbed.h"
-
-DigitalOut myled(LED1);
+#include "STC3100Sensor.h"
 
 int main() {
+    
+    stc3100Configure();
+    
     while(1) {
-        myled = 1; // LED is ON
-        wait(0.2); // 200 ms
-        myled = 0; // LED is OFF
-        wait(1.0); // 1 sec
+        
+        printf("%f\n", getVoltage());
+        
     }
 }
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