From da11ed70a485d640daaba5dff9ad9dcd2dd7c2bd Mon Sep 17 00:00:00 2001
From: "Peter D. Gray" <peter@conalgo.com>
Date: Tue, 15 Aug 2023 13:08:08 -0400
Subject: [PATCH] bugfix

---
 stm32/q1-bootloader/lcd.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stm32/q1-bootloader/lcd.c b/stm32/q1-bootloader/lcd.c
index dba1038a..8a7d946f 100644
--- a/stm32/q1-bootloader/lcd.c
+++ b/stm32/q1-bootloader/lcd.c
@@ -199,6 +199,10 @@ oled_setup(void)
     __HAL_RCC_GPIOA_CLK_ENABLE();
     __HAL_RCC_SPI1_CLK_ENABLE();
 
+    // take over from GPU
+    // - can be issue when coming in via callgate from mpy which might have been showing menu
+    HAL_GPIO_WritePin(GPIOE, GPIO_PIN_6, 1);        // G_CTRL pin -- we have control
+
     // Simple pins
     // - must be opendrain to allow GPU to share
     GPIO_InitTypeDef setup = {
@@ -213,6 +217,7 @@ oled_setup(void)
     // starting values
     HAL_GPIO_WritePin(GPIOA, RESET_PIN | CS_PIN | DC_PIN, 1);
 
+
     // SPI pins (same but with AF)
     setup.Pin = SPI_SCK | SPI_MOSI;
     setup.Alternate = GPIO_AF5_SPI1;