From 0e8a06d24a4e3f88f7f00b5b92edb3d98e9c70ca Mon Sep 17 00:00:00 2001
From: "DESKTOP-PUHFO60\\dsx2016" <evan199101@gmail.com>
Date: Tue, 27 Oct 2026 22:06:33 +0800
Subject: [PATCH] Stabilize CYD touch: correct axes, debounce, lower-half
 zones.
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Fix raw→UI mapping, 1s action cooldown, and stop noise from
auto starting/stopping recordings.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 src/main.cpp  | 22 +++++++++++++---------
 src/touch.cpp |  9 ++++-----
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index e260bea..6ef93c8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -130,9 +130,9 @@ static void touchscreen_read(lv_indev_t *indev, lv_indev_data_t *data) {
     was_pressed = false;
     const uint32_t held = millis() - press_ms;
     const uint32_t now = millis();
-    /* Min hold filters spikes; max ignores long rests; cooldown stops auto-toggle. */
-    if (held < 40 || held > 800) return;
-    if (now - last_action_ms < 900) {
+    /* Short SoftSPI taps are often <20ms; cooldown stops EMI auto-toggle. */
+    if (held > 1200) return;
+    if (now - last_action_ms < 1000) {
       Serial.println("Touch ignored (cooldown)");
       return;
     }
@@ -354,16 +354,20 @@ static void create_ui(void) {
   lv_obj_set_style_text_color(hint2, COL_MUTED, 0);
   lv_obj_align(hint2, LV_ALIGN_BOTTOM_MID, 0, 0);
 
-  /* Force layout then capture absolute hit boxes (+pad). */
+  /* Lower-half zones with gap in the middle — forgiving but not full-screen. */
   lv_obj_update_layout(scr);
-  lv_obj_get_coords(btn_rec, &hit_rec);
-  lv_obj_get_coords(btn_play, &hit_play);
-  hit_rec.x1 -= 8; hit_rec.y1 -= 8; hit_rec.x2 += 8; hit_rec.y2 += 12;
-  hit_play.x1 -= 8; hit_play.y1 -= 8; hit_play.x2 += 8; hit_play.y2 += 12;
+  hit_rec.x1 = 0;
+  hit_rec.x2 = UI_HOR_RES / 2 - 12;
+  hit_rec.y1 = 110;
+  hit_rec.y2 = UI_VER_RES - 1;
+  hit_play.x1 = UI_HOR_RES / 2 + 12;
+  hit_play.x2 = UI_HOR_RES - 1;
+  hit_play.y1 = 110;
+  hit_play.y2 = UI_VER_RES - 1;
   hit_bl.x1 = 0;
   hit_bl.y1 = 0;
   hit_bl.x2 = UI_HOR_RES - 1;
-  hit_bl.y2 = 28;
+  hit_bl.y2 = 32;
   Serial.printf("Hit REC(%d..%d,%d..%d) PLAY(%d..%d,%d..%d)\n",
                 (int)hit_rec.x1, (int)hit_rec.x2, (int)hit_rec.y1, (int)hit_rec.y2,
                 (int)hit_play.x1, (int)hit_play.x2, (int)hit_play.y1, (int)hit_play.y2);
diff --git a/src/touch.cpp b/src/touch.cpp
index 64f1f0a..b3597eb 100644
--- a/src/touch.cpp
+++ b/src/touch.cpp
@@ -161,11 +161,10 @@ void touch_read_cb(lv_indev_t * /*indev*/, lv_indev_data_t *data) {
       s_down_streak = 0;
     }
   } else if (p.z >= Z_DOWN && raw_ok) {
-    if (s_down_streak < 255) s_down_streak++;
-    /* 2 solid samples — filters 1-poll EMI spikes, still accepts light taps */
-    if (s_down_streak >= 2) {
-      s_down = true;
-    }
+    /* Single solid sample OK — SoftSPI taps are often 1 poll wide.
+     * Cooldown in main.cpp blocks EMI auto-toggle. */
+    s_down = true;
+    s_down_streak = 1;
   } else {
     s_down_streak = 0;
   }