Diff: main.cpp

Revision:

0:17ad5a30ff25

Child:

1:b1921e153d21

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu May 16 07:31:47 2013 +0000
@@ -0,0 +1,111 @@
+#include "mbed.h"
+
+//Battery Circuit
+#define BATT_FULL PTB10
+#define BATT_MED  PTB9
+#define BATT_LOW  PTB8
+#define CHRG_EN1  PTB2
+#define CHRG_EN2  PTB3
+#define CHRG_SNS_EN PTC2
+#define CHRG_SNS  PTB1
+#define CHRG_POK  PTC6
+#define CHRG_CHG  PTA5
+#define POWER_OK    0
+#define CHARGING    0
+#define LED_ON      0
+#define LED_OFF     1
+
+#define RGB_LED_ON  0
+#define RGB_LED_OFF 1
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+
+Serial pc(USBTX, USBRX);
+
+//Battery
+DigitalOut BattFull(BATT_FULL);
+DigitalOut BattMed(BATT_MED);
+DigitalOut BattLow(BATT_LOW);
+DigitalOut ChargeEN1(CHRG_EN1);
+DigitalOut ChargeEN2(CHRG_EN2);
+DigitalOut ChargeSenseEN(CHRG_SNS_EN);
+DigitalIn  SupplyOk(CHRG_POK);
+DigitalIn  Charging(CHRG_CHG);
+AnalogIn   ChargeSense(CHRG_SNS);
+
+float max_batt;
+float min_batt;
+float batt_lvl;
+
+int main()
+{
+
+    //100mA Charge
+    ChargeEN1 = 0;
+    ChargeEN2 = 0;
+
+    ChargeSenseEN = 0;
+    wait(0.5);
+    max_batt = ChargeSense;
+    min_batt = ChargeSense;
+
+    while(1) {
+
+        //If charging then blink Blue led to show we are alive
+        if( Charging == CHARGING ) {
+            myled2 = RGB_LED_OFF;
+            myled3 = RGB_LED_OFF;
+
+            myled1 = RGB_LED_ON;
+            wait(0.1);
+            myled1 = RGB_LED_OFF;
+            wait(0.9);
+        }
+
+        //If no power applied (via USB) then turn all on, blink Bled led off
+        if( SupplyOk != POWER_OK ) {
+            myled2 = RGB_LED_ON;
+            myled3 = RGB_LED_ON;
+
+            myled1 = RGB_LED_OFF;
+            wait(0.1);
+            myled1 = RGB_LED_ON;
+            wait(0.9);
+        }
+
+        batt_lvl = ChargeSense;
+
+        if( batt_lvl <= 0.53 ) {
+            BattLow = LED_OFF;
+            BattMed = LED_OFF;
+            BattFull = LED_OFF;
+        }
+        if( batt_lvl > 0.53 && batt_lvl <= 0.605 ) {
+            BattLow = LED_ON;
+            BattMed = LED_OFF;
+            BattFull = LED_OFF;
+        }
+        if( batt_lvl > 0.605 && batt_lvl <= 0.67 ) {
+            BattLow = LED_ON;
+            BattMed = LED_ON;
+            BattFull = LED_OFF;
+        }
+        if( batt_lvl > 0.67 ) {
+            BattLow = LED_ON;
+            BattMed = LED_ON;
+            BattFull = LED_ON;
+        }
+
+        if( batt_lvl < min_batt ) {
+            min_batt = batt_lvl;
+        }
+
+        if( batt_lvl > max_batt ) {
+            max_batt = batt_lvl;
+        }
+
+        pc.printf(">%f Min:%f Max:%f\n\r", batt_lvl, min_batt, max_batt);
+    }
+}