Remove RunTimeToEmpty report to simplify.

Author: forderud

examples/UPS/UPS.ino

@@ -22,7 +22,6 @@ byte bCapacityMode = 1;  // unit: 0=mAh, 1=mWh, 2=%
 // Physical parameters
 const uint16_t iConfigVoltage = 1509; // centiVolt
 uint16_t iVoltage =1499; // centiVolt
-uint16_t iRunTimeToEmpty = 0, iPrevRunTimeToEmpty = 0;
 uint16_t iManufacturerDate = 0; // initialized in setup function
 
 // Parameters for ACPI compliancy
@@ -52,8 +51,6 @@ void setup() {
 
   PowerDevice.setFeature(HID_PD_PRESENTSTATUS, &iPresentStatus, sizeof(iPresentStatus));
 
-  PowerDevice.setFeature(HID_PD_RUNTIMETOEMPTY, &iRunTimeToEmpty, sizeof(iRunTimeToEmpty));
-
   PowerDevice.setFeature(HID_PD_CAPACITYMODE, &bCapacityMode, sizeof(bCapacityMode));
   PowerDevice.setFeature(HID_PD_CONFIGVOLTAGE, &iConfigVoltage, sizeof(iConfigVoltage));
   PowerDevice.setFeature(HID_PD_VOLTAGE, &iVoltage, sizeof(iVoltage));
@@ -74,8 +71,6 @@ void loop() {
   int iBattSoc = analogRead(BATTSOCPIN); // potensiometer value in [0,1024)
 
   iRemaining = (uint32_t)(round((float)iFullChargeCapacity*iBattSoc/1024));
-  uint16_t iAvgTimeToEmpty = 7200;
-  iRunTimeToEmpty = (uint16_t)round((float)iAvgTimeToEmpty*iRemaining/iFullChargeCapacity);
 
   if (iRemaining > iPrevRemaining)
     bCharging = true;
@@ -114,10 +109,9 @@ void loop() {
 
   //************ Bulk send or interrupt ***********************
 
-  if((iPresentStatus != iPreviousStatus) || (iRemaining != iPrevRemaining) || (iRunTimeToEmpty != iPrevRunTimeToEmpty) || (iIntTimer>MINUPDATEINTERVAL) ) {
+  if((iPresentStatus != iPreviousStatus) || (iRemaining != iPrevRemaining) || (iIntTimer>MINUPDATEINTERVAL) ) {
 
     PowerDevice.sendReport(HID_PD_REMAININGCAPACITY, &iRemaining, sizeof(iRemaining));
-    if(!bCharging) PowerDevice.sendReport(HID_PD_RUNTIMETOEMPTY, &iRunTimeToEmpty, sizeof(iRunTimeToEmpty));
     iRes = PowerDevice.sendReport(HID_PD_PRESENTSTATUS, &iPresentStatus, sizeof(iPresentStatus));
 
     if(iRes <0 ) {
@@ -130,12 +124,10 @@ void loop() {
     iPreviousStatus = iPresentStatus;
     if (abs(iPrevRemaining - iRemaining) > 1) // add a bit of hysteresis
       iPrevRemaining = iRemaining;
-    iPrevRunTimeToEmpty = iRunTimeToEmpty;
   }
 
 
   Serial.println(iRemaining);
-  Serial.println(iRunTimeToEmpty);
   Serial.println(iRes);
 
 }

src/HIDPowerDevice.cpp

@@ -77,11 +77,6 @@ static const uint8_t _hidReportDescriptor[] PROGMEM = {
     0x75, 0x10, //     REPORT_SIZE (16)
     0x27, 0xFF, 0xFF, 0x00, 0x00, //     LOGICAL_MAXIMUM (65534)
     0xB1, 0xA3, //     FEATURE (Constant, Variable, Absolute, No Wrap, Linear, No Preferred, No Null Position, Volatile, Bitfield)
-    0x85, HID_PD_RUNTIMETOEMPTY, //     REPORT_ID (13)    
-    0x09, 0x68, //     USAGE (RunTimeToEmpty)  
-    0x81, 0xA3, //     INPUT (Constant, Variable, Absolute, No Wrap, Linear, No Preferred, No Null Position, Bitfield)
-    0x09, 0x68, //     USAGE (RunTimeToEmpty)
-    0xB1, 0xA3, //     FEATURE (Constant, Variable, Absolute, No Wrap, Linear, No Preferred, No Null Position, Volatile, Bitfield)      
     0x05, 0x84, //     USAGE_PAGE (Power Device) ====================
     0x85, HID_PD_CONFIGVOLTAGE, //     REPORT_ID (10)
     0x09, 0x40, //     USAGE (ConfigVoltage)

src/HIDPowerDevice.h

@@ -49,7 +49,6 @@
 #define HID_PD_CONFIGVOLTAGE         0x0A // 10 FEATURE ONLY
 #define HID_PD_VOLTAGE               0x0B // 11 INPUT (NA) OR FEATURE(implemented)
 #define HID_PD_REMAININGCAPACITY     0x0C // 12 INPUT OR FEATURE(required by Windows)
-#define HID_PD_RUNTIMETOEMPTY        0x0D 
 #define HID_PD_FULLCHRGECAPACITY     0x0E // 14 FEATURE ONLY. Last Full Charge Capacity 
 #define HID_PD_CURRENT               0x15 // 21 FEATURE ONLY
 #define HID_PD_CAPACITYMODE          0x16