From 749b80ba030e8a3debc2612a26b7378c33b642c3 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Wed, 18 Oct 2017 17:18:58 +0200
Subject: [PATCH] bootloader: fix touch detection at start

---
 embed/bootloader/main.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/embed/bootloader/main.c b/embed/bootloader/main.c
index cb3b5063f..237e55a46 100644
--- a/embed/bootloader/main.c
+++ b/embed/bootloader/main.c
@@ -260,11 +260,10 @@ int main(void)
     ensure(0 == touch_init(), NULL);
 
     // delay to detect touch
-    hal_delay(100);
-    bool touched = false;
-    // flush touch events
-    while (touch_read()) {
-        touched = true;
+    uint32_t touched = 0;
+    for (int i = 0; i < 100; i++) {
+        touched |= touch_read();
+        hal_delay(1);
     }
 
     // start the bootloader if user touched the screen or no firmware installed