From fa05eba8a1ca1fca07160a21c5f95eb6aa56c27c Mon Sep 17 00:00:00 2001
From: Xuan Son Nguyen <son@huggingface.co>
Date: Fri, 23 Jan 2026 16:25:02 +0100
Subject: [PATCH] stub input HAL

---
 lib/hal/HalInput.cpp     | 85 ++++++++++++++++++++++++++++++++++++++++
 lib/hal/HalInput.h       | 40 +++++++++++++++++++
 src/MappedInputManager.h |  2 +-
 src/main.cpp             | 11 ++----
 4 files changed, 129 insertions(+), 9 deletions(-)
 create mode 100644 lib/hal/HalInput.cpp
 create mode 100644 lib/hal/HalInput.h

diff --git a/lib/hal/HalInput.cpp b/lib/hal/HalInput.cpp
new file mode 100644
index 00000000..0c55f1e7
--- /dev/null
+++ b/lib/hal/HalInput.cpp
@@ -0,0 +1,85 @@
+#include "HalInput.h"
+#include <esp_sleep.h>
+
+void HalInput::begin() {
+#if CROSSPOINT_EMULATED == 0
+  inputMgr.begin();
+#endif
+}
+
+void HalInput::update() {
+#if CROSSPOINT_EMULATED == 0
+  inputMgr.update();
+#else
+  // TODO
+#endif
+}
+
+bool HalInput::isPressed(uint8_t buttonIndex) const {
+#if CROSSPOINT_EMULATED == 0
+  return inputMgr.isPressed(buttonIndex);
+#else
+  // TODO
+  return false;
+#endif
+}
+
+bool HalInput::wasPressed(uint8_t buttonIndex) const {
+#if CROSSPOINT_EMULATED == 0
+  return inputMgr.wasPressed(buttonIndex);
+#else
+  // TODO
+  return false;
+#endif
+}
+
+bool HalInput::wasAnyPressed() const {
+#if CROSSPOINT_EMULATED == 0
+  return inputMgr.wasAnyPressed();
+#else
+  // TODO
+  return false;
+#endif
+}
+
+bool HalInput::wasReleased(uint8_t buttonIndex) const {
+#if CROSSPOINT_EMULATED == 0
+  return inputMgr.wasReleased(buttonIndex);
+#else
+  // TODO
+  return false;
+#endif
+}
+
+bool HalInput::wasAnyReleased() const {
+#if CROSSPOINT_EMULATED == 0
+  return inputMgr.wasAnyReleased();
+#else
+  // TODO
+  return false;
+#endif
+}
+
+unsigned long HalInput::getHeldTime() const {
+#if CROSSPOINT_EMULATED == 0
+  return inputMgr.getHeldTime();
+#else
+  // TODO
+  return 0;
+#endif
+}
+
+void HalInput::setupGpioWakeup() {
+#if CROSSPOINT_EMULATED == 0
+  esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
+  // Ensure that the power button has been released to avoid immediately turning back on if you're holding it
+  while (isPressed(InputManager::BTN_POWER)) {
+    delay(50);
+    update();
+  }
+  // Enter Deep Sleep
+  esp_deep_sleep_start();
+#else
+  // TODO
+#endif
+}
diff --git a/lib/hal/HalInput.h b/lib/hal/HalInput.h
new file mode 100644
index 00000000..a06771b4
--- /dev/null
+++ b/lib/hal/HalInput.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <Arduino.h>
+
+#if CROSSPOINT_EMULATED == 0
+#include <InputManager.h>
+#endif
+
+class HalInput {
+#if CROSSPOINT_EMULATED == 0
+  InputManager inputMgr;
+#endif
+
+ public:
+  HalInput() = default;
+  void begin();
+
+  void update();
+  bool isPressed(uint8_t buttonIndex) const;
+  bool wasPressed(uint8_t buttonIndex) const;
+  bool wasAnyPressed() const;
+  bool wasReleased(uint8_t buttonIndex) const;
+  bool wasAnyReleased() const;
+  unsigned long getHeldTime() const;
+
+  void setupGpioWakeup();
+
+  // Button indices
+  static constexpr uint8_t BTN_BACK = 0;
+  static constexpr uint8_t BTN_CONFIRM = 1;
+  static constexpr uint8_t BTN_LEFT = 2;
+  static constexpr uint8_t BTN_RIGHT = 3;
+  static constexpr uint8_t BTN_UP = 4;
+  static constexpr uint8_t BTN_DOWN = 5;
+  static constexpr uint8_t BTN_POWER = 6;
+};
+
+#if CROSSPOINT_EMULATED == 1
+using InputManager = HalInput;
+#endif
diff --git a/src/MappedInputManager.h b/src/MappedInputManager.h
index 62065fe9..66573915 100644
--- a/src/MappedInputManager.h
+++ b/src/MappedInputManager.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <InputManager.h>
+#include <HalInput.h>
 
 class MappedInputManager {
  public:
diff --git a/src/main.cpp b/src/main.cpp
index 89b800a0..82d9a0c9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,7 +2,7 @@
 #include <HalDisplay.h>
 #include <Epub.h>
 #include <GfxRenderer.h>
-#include <InputManager.h>
+#include <HalInput.h>
 #include <HalStorage.h>
 #include <SPI.h>
 #include <builtinFonts/all.h>
@@ -184,8 +184,7 @@ void verifyWakeupLongPress() {
   if (abort) {
     // Button released too early. Returning to sleep.
     // IMPORTANT: Re-arm the wakeup trigger before sleeping again
-    esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
-    esp_deep_sleep_start();
+    inputManager.setupGpioWakeup();
   }
 }
 
@@ -208,11 +207,7 @@ void enterDeepSleep() {
   einkDisplay.deepSleep();
   Serial.printf("[%lu] [   ] Power button press calibration value: %lu ms\n", millis(), t2 - t1);
   Serial.printf("[%lu] [   ] Entering deep sleep.\n", millis());
-  esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
-  // Ensure that the power button has been released to avoid immediately turning back on if you're holding it
-  waitForPowerRelease();
-  // Enter Deep Sleep
-  esp_deep_sleep_start();
+  inputManager.setupGpioWakeup();
 }
 
 void onGoHome();