From 5ca6ee56d39531dbb10fb08dba69c8025598313b Mon Sep 17 00:00:00 2001
From: thirdr <ryan@pimoroni.com>
Date: Fri, 2 May 2025 16:16:53 +0100
Subject: [PATCH] SSD1680: fixed busy_wait

---
 drivers/ssd1680/ssd1680.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/ssd1680/ssd1680.cpp b/drivers/ssd1680/ssd1680.cpp
index b1acc9a1..9d3f7c8b 100644
--- a/drivers/ssd1680/ssd1680.cpp
+++ b/drivers/ssd1680/ssd1680.cpp
@@ -32,7 +32,7 @@ namespace pimoroni {
 
   bool SSD1680::is_busy() {
     if(BUSY == PIN_UNUSED) return false;
-    return !gpio_get(BUSY);
+    return gpio_get(BUSY);
   }
 
   void SSD1680::busy_wait() {
@@ -96,7 +96,7 @@ namespace pimoroni {
 
     gpio_set_function(BUSY, GPIO_FUNC_SIO);
     gpio_set_dir(BUSY, GPIO_IN);
-    gpio_set_pulls(BUSY, true, false);
+    gpio_set_pulls(BUSY, false, true);
 
     gpio_set_function(SCK,  GPIO_FUNC_SPI);
     gpio_set_function(MOSI, GPIO_FUNC_SPI);
@@ -108,6 +108,8 @@ namespace pimoroni {
     reset();
 
     command(SWR);
+    busy_wait();
+
     command(DOC, {Y_START_L, Y_START_H, 0x00});
     command(SRX, {X_START, X_END});
     command(SRY, {Y_START_L, Y_START_H, Y_END_L, Y_END_H});
@@ -233,6 +235,7 @@ namespace pimoroni {
       busy_wait();
     }
 
+
     command(SRXC, {X_START});
     command(SRYC, {Y_START_L, Y_START_H});
     command(WRAM_R, (width * height) / 8, bufA);