From ba4c897cee62a707a949c3985b9d23a8dc120bc8 Mon Sep 17 00:00:00 2001
From: Kyle Gabriel <kyletgabriel@gmail.com>
Date: Sun, 25 Aug 2019 13:56:43 -0400
Subject: [PATCH] Rev1 updates

---
 main/configuration.h |  1 +
 main/main.ino        |  7 +++++--
 main/screen.ino      | 17 +++++++++++++++++
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/main/configuration.h b/main/configuration.h
index 8a9f2b2..7e157eb 100644
--- a/main/configuration.h
+++ b/main/configuration.h
@@ -129,4 +129,5 @@ void ttn_register(void (*callback)(uint8_t message));
 #ifdef T_BEAM_V10
 #define GPS_POWER_CTRL_CH  3
 #define LORA_POWER_CTRL_CH 2
+#define PMU_IRQ            35
 #endif
diff --git a/main/main.ino b/main/main.ino
index 638b16d..6ff88ff 100644
--- a/main/main.ino
+++ b/main/main.ino
@@ -26,6 +26,11 @@
 
 #ifdef T_BEAM_V10
 #include "axp20x.h"
+#define AXP192_SLAVE_ADDRESS    0x34
+AXP20X_Class axp;
+bool axp192_found = false;
+bool pmu_irq = false;
+String baChStatus = "No charging";
 #endif
 
 // Message counter, stored in RTC memory, survives deep sleep
@@ -184,8 +189,6 @@ void setup() {
   } else {
       Serial.println("AXP192 not found");
   }
-
-  Serial1.begin(GPS_BANUD_RATE, SERIAL_8N1, GPS_RX_PIN, GPS_TX_PIN);
   #endif
 
   // Buttons & LED
diff --git a/main/screen.ino b/main/screen.ino
index 297c80a..e000c4b 100644
--- a/main/screen.ino
+++ b/main/screen.ino
@@ -103,6 +103,23 @@ void screen_setup() {
 }
 
 void screen_loop() {
+    #ifdef T_BEAM_V10
+    if (axp192_found && pmu_irq) {
+        pmu_irq = false;
+        axp.readIRQ();
+        if (axp.isChargingIRQ()) {
+            baChStatus = "Charging";
+        } else {
+            baChStatus = "No Charging";
+        }
+        if (axp.isVbusRemoveIRQ()) {
+            baChStatus = "No Charging";
+        }
+        digitalWrite(2, !digitalRead(2));
+        axp.clearIRQ();
+    }
+    #endif
+
     display->clear();
     _screen_header();
     display->drawLogBuffer(0, SCREEN_HEADER_HEIGHT);