From a102e49fdb9f186309d19fadeaa4bc98ad8b551a Mon Sep 17 00:00:00 2001
From: Kevin Hester <kevinh@geeksville.com>
Date: Fri, 23 Oct 2020 17:10:48 +0800
Subject: [PATCH] PPR1 WIP - hacky code to make LCD talk on I2C.  Works!

---
 platformio.ini          | 1 -
 src/main.cpp            | 3 +++
 variants/ppr1/variant.h | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index 1ff93a3d5..12d41772f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -245,7 +245,6 @@ build_flags = ${nrf52_base.build_flags} -Ivariants/ppr1
 src_filter = ${nrf52_base.src_filter} +<../variants/ppr1>
 lib_deps = 
   ${arduino_base.lib_deps}
-  UC1701
 
 ; Prototype eink/nrf52840/sx1262 device
 [env:eink]
diff --git a/src/main.cpp b/src/main.cpp
index 9e80a1343..922e1dd3e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -250,6 +250,9 @@ void setup()
     // FIXME - move this someplace better
     pinMode(PIN_LCD_RESET, OUTPUT);
     digitalWrite(PIN_LCD_RESET, 0);
+    delay(20);
+    digitalWrite(PIN_LCD_RESET, 1);
+    delay(20);
 #endif
 
     scanI2Cdevice();
diff --git a/variants/ppr1/variant.h b/variants/ppr1/variant.h
index 57b4e9c38..e0ca6ec19 100644
--- a/variants/ppr1/variant.h
+++ b/variants/ppr1/variant.h
@@ -116,7 +116,7 @@ static const uint8_t AREF = PIN_AREF;
 
 // LCD
 
-// #define PIN_LCD_RESET 23 // active high?
+#define PIN_LCD_RESET 23 // active low, pulse low for 20ms at boot
 
 /*
  * SPI Interfaces