Diff: EPS.cpp

Revision:

75:d05b0005ca50

Parent:

74:2c82080db98b

Child:

76:293693fb7949

--- a/EPS.cpp	Sat Dec 10 09:57:10 2016 +0000
+++ b/EPS.cpp	Sat Dec 10 10:51:46 2016 +0000
@@ -100,8 +100,8 @@
 DigitalIn EPS_BATTERY_GAUGE_ALERT(PIN73);
 
 //i2c.frequency(10000)
-extern int eps_btg_read_flag;  // flag to check I2C ack on reading from BTG
-extern int eps_btg_writ_flag;  // flag to check I2C ack on writing from BTG
+extern int eps_btg_read_flag;  // flag to check I2C ack on reading from BTG: 1 indicates read failure, 0 indicates success
+extern int eps_btg_writ_flag;  // flag to check I2C ack on writing from BTG: 1 indicates write failure, 0 indicates success
 
 const char RCOMP0= 0x97;// don't know what it is now 
 BAE_HK_actual actual_data;
@@ -217,10 +217,10 @@
     
     unsigned short value_u= (short int )value;
     //value_u &=0x0001;                     
-    if(value_u & 0x0001 == 0x0001)                       // battery gauge not initialised
+    if(value_u & 0x0001 == 0x0001 && eps_btg_read_flag == 0)                       // battery gauge not initialised
     {
-        //actual_data.power_mode = 1;
-        actual_data.power_mode = 0;
+        
+        actual_data.power_mode = 0;                 // indicates btg not working / NA
         EPS_BATTERY_GAUGE_STATUS = 0;               //clear EPS_BATTERY_GAUGE_STATUS
         eps_pc.printf(" init BTG fail - %d\n\r", value_u);
     }
@@ -1357,7 +1357,7 @@
         if(ack == 0)
         return ((buff[0] << 8) | buff[1]) * 0.00390625;
         else 
-        return 200;
+        return 200;     //SOC not available
     }