Diff: STC3100Sensor.h

Revision:

0:014d4be7a437

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/STC3100Sensor.h	Sun Oct 29 00:11:17 2017 +0000
@@ -0,0 +1,96 @@
+#ifndef STC3100Sensor_H_
+#define STC3100Sensor_H_
+
+/**
+ * I2C Device address
+ * ------------------
+ * The mbed API uses 8 bit addresses, so make sure to thake the 7 bit address
+ * and left shift it by 1 before passing it.
+ * The eight bit presents a R/W bit, see datasheet STC3100 page 12.
+ */
+#define STC3100_ADDRESS_READ    0b11100000
+#define STC3100_ADRESS_WRITE    0b11100001
+
+/**
+ * INTERNAL REGISTER MAP
+ * ---------------------
+ * For this application the RAM registers are not used
+ */
+#define REG_MODE                0   // Mode register                            (R/W)
+#define REG_CTRL                1   // Control and status register              (R/W)
+#define REG_CHARGE_LOW          2   // Gas gauge charge data,       bits 0-7    (R)
+#define REG_CHARGE_HIGH         3   // Gas gauge charge data,       bits 8-15   (R)
+#define REG_COUNTER_LOW         4   // Number of conversions,       bits 0-7    (R)
+#define REG_COUNTER_HIGH        5   // Number of conversions,       bits 8-15   (R)
+#define REG_CURRENT_LOW         6   // Battery current value,       bits 0-7    (R)
+#define REG_CURRENT_HIGH        7   // Battery current value,       bits 8-15   (R)
+#define REG_VOLTAGE_LOW         8   // Battery voltage value,       bits 0-7    (R)
+#define REG_VOLTAGE_HIGH        9   // Battery voltage value,       bits 8-15   (R)
+//#define REG_TEMPERATURE_LOW     10    // Temperature value,           bits 0-7    (R)
+//#define REG_TEMPERATURE_HIGH    11    // Temperature value,           bits 8-15   (R)
+
+//The following registers are the Device ID registers (R)
+//#define REG_ID0                 24
+//#define REG_ID1                 25
+//#define REG_ID2                 26
+//#define REG_ID3                 27
+//#define REG_ID4                 28
+//#define REG_ID5                 29
+//#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;
+        unsigned char ChargeHigh;
+        unsigned char CounterLow;
+        unsigned char CounterHigh;
+        unsigned char CurrentLow;
+        unsigned char CurrentHigh;
+        unsigned char VoltageLow;
+        unsigned char VoltageHigh;
+//      unsigned char TemperatureLow;
+//      unsigned char TemperatureHigh;
+//      unsigned char Reserved[13];
+//      unsigned char ID0;
+//      unsigned char ID1;
+//      unsigned char ID2;
+//      unsigned char ID3;
+//      unsigned char ID4;
+//      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
+    float current;
+    // Current charge of the battery mAh
+    float charge;
+//  // Temperature in °C
+//  float temperature;
+};
+
+STC3100ActualData stc3100ActualData;
+STC3100Data stc3100Data;
+
+void stc3100Configure(void);
+void stc3100ReadChip(void);
+void updateData(void);
+float getVoltage(void);
+float getCurrent(void);
+float getCharge(void);
+//float getTemperature(void);
+
+#endif /* STC3100Sensor_H_ */