Added X charge indicator on loading screen and fake battery support

Author: bitbank2

src/api-client/display.cpp

@@ -13,6 +13,19 @@ const char *szMakers[] = {"None", "ASAIR", "Bosch", "Bosch", "Bosch", "Sensirion
 
 void addHeaders(HTTPClient &https, ApiDisplayInputs &inputs)
 {
+#if defined( FAKE_BATTERY_VOLTAGE ) && defined (BOARD_TRMNL_X)
+// Create fake values that satisfy the server
+  inputs.batteryCharging = 0;
+  inputs.batteryCount = 1;
+  inputs.stateOfCharge = 75;
+  inputs.stateOfHealth = 75;
+  inputs.batteryCurrent = 3000;
+  inputs.batteryTemperature = 25;
+  inputs.currentBatteryCapacity = 3000;
+  inputs.maxBatteryCapacity = 4000;
+  inputs.batteryVoltage = 4.2f;
+#endif // FAKE_BATTERY_VOLTAGE
+
   Log_info("Added headers:\n\r"
            "ID: %s\n\r"
            "Special function: %d\n\r"

src/battery_small.h

@@ -0,0 +1,13 @@
+//
+// Created with imageconvert, written by Larry Bank
+// 124 x 74 x 1-bit per pixel
+// compressed image data size = 99 bytes
+//
+const uint8_t battery_small[] = {
+0xbf,0xbb,0x7c,0x00,0x4a,0x00,0x5b,0x00,0xf3,0x41,0x35,0xa5,0xeb,0xeb,0x59,0x7b,
+0x0c,0xad,0x55,0x56,0x1d,0x25,0xfd,0x5d,0x16,0xb0,0x99,0x65,0xff,0xd7,0xeb,0xff,
+0xeb,0xff,0xe9,0x7d,0x7f,0xfd,0x7e,0xb3,0x09,0xff,0x0f,0xaf,0xfb,0xeb,0xf4,0xbf,
+0xfd,0x7e,0xbf,0xc9,0x77,0xd0,0xfe,0x75,0xc4,0x7f,0x5f,0xff,0x5f,0xff,0x5f,0x4b,
+0xfd,0x7a,0xaf,0x52,0xd1,0x7f,0xfa,0xff,0xfa,0xfd,0x7d,0x7f,0x5f,0xaf,0xff,0xaf,
+0x32,0xd9,0x2c,0x63,0x7a,0x4b,0xd7,0x75,0x4a,0x1e,0xa1,0x46,0x87,0xeb,0xeb,0x55,
+0xd4,0x78,0x00};

src/display.cpp

@@ -10,6 +10,7 @@
 #include "driver/gpio.h"
 #include "driver/rtc_io.h"
 #include "LittleFS.h"
+#include "battery_small.h"
 #define FS LittleFS
 #endif
 #define MAX_BIT_DEPTH 8
@@ -1205,6 +1206,12 @@ void display_show_image(uint8_t *image_buffer, int data_size, bool bWait)
                 bbep.fillScreen(BBEP_WHITE); 
             }     
             bbep.loadG5Image(image_buffer, x, y, BBEP_WHITE, BBEP_BLACK);
+#ifdef BOARD_TRMNL_X
+            // Show charging indicator if it's charging
+            if (is_charging()) {
+                bbep.loadG5Image(battery_small, 40, bbep.height() - 120, BBEP_WHITE, BBEP_BLACK);
+            }
+#endif // BOARD_TRMNL_X
         } 
         else 
         {