From 7164b0c5fb6c05776933d767b92b0596068b4057 Mon Sep 17 00:00:00 2001
From: tianjialong <tianjialong@163.com>
Date: Wed, 1 Mar 2023 16:10:16 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E6=A4=8D=E6=8C=89=E9=94=AE=E7=A8=8B?=
 =?UTF-8?q?=E5=BA=8F?=
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---
 usersrc/zkey.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 usersrc/zkey.h | 65 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 150 insertions(+)
 create mode 100644 usersrc/zkey.c
 create mode 100644 usersrc/zkey.h

diff --git a/usersrc/zkey.c b/usersrc/zkey.c
new file mode 100644
index 0000000..2cecbc8
--- /dev/null
+++ b/usersrc/zkey.c
@@ -0,0 +1,85 @@
+#include "zkey.h"
+#define TAG "zkey"
+static zkey_module_t *s_module;
+static bool s_inited;
+
+void zkey_process_each_after_filter(zkey_t *each, bool now_io_state)
+{
+  if (now_io_state != each->last_io_state)
+  {
+    if (now_io_state)
+    {
+      each->keep_state_count = 0;
+      each->hasProcessed = false;
+      each->cur_state = zks_rising_edge;
+      s_module->onkey(each, each->cur_state);
+    }
+    else
+    {
+      each->cur_state = zks_falling_edge;
+      s_module->onkey(each, each->cur_state);
+      each->keep_state_count = 0;
+    }
+    each->last_io_state = now_io_state;
+  }
+  else
+  {
+    each->cur_state = zks_keep;
+    if (now_io_state)
+    {
+      s_module->onkey(each, each->cur_state);
+    }
+  }
+}
+
+void zkey_process_each(zkey_t *each)
+{
+  /**
+   * @brief zkey_process_each
+   */
+  each->keep_state_count++;
+
+  bool now_io_state = each->get_key_state();
+  if (each->currentstatekeep_count < 1000)
+  {
+    each->currentstatekeep_count++;
+  }
+  if (now_io_state != each->last_real_state)
+  {
+    each->currentstatekeep_count = 0;
+  }
+  if (each->currentstatekeep_count >= 1)
+  {
+    each->after_filter_state = now_io_state;
+  }
+  each->last_real_state = now_io_state;
+  zkey_process_each_after_filter(each, each->after_filter_state);
+
+  /**
+   * @brief 上报按键状态
+   */
+}
+void zkey_do_loop_in_each_period(void *_null)
+{
+  if (!s_inited)
+    return;
+  for (int i = 0; i < s_module->nkey; i++)
+  {
+    zkey_process_each(&s_module->keys[i]);
+  }
+}
+
+void zkey_init(zkey_module_t *module)
+{
+  s_module = module;
+
+  //
+  s_inited = true;
+
+  for (int i = 0; i < s_module->nkey; i++)
+  {
+    s_module->keys[i].cur_state = zks_keep;
+    s_module->keys[i].last_io_state = s_module->keys[i].get_key_state();
+    s_module->keys[i].after_filter_state = s_module->keys[i].get_key_state();
+  }
+}
\ No newline at end of file
diff --git a/usersrc/zkey.h b/usersrc/zkey.h
new file mode 100644
index 0000000..331f53b
--- /dev/null
+++ b/usersrc/zkey.h
@@ -0,0 +1,65 @@
+#pragma once
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+#endif
+
+typedef enum
+{
+  // mode1
+  zks_keep,
+  zks_rising_edge,
+  zks_falling_edge,
+
+  // mode2
+  zks_trigger_event,
+  zks_longtime_trigger_event,
+} zkey_event_t;
+
+typedef void (*zkey_listener_t)(void *keyhandler, zkey_event_t zkey_event,
+                                uint32_t keycode);
+typedef void (*zkey_reg_listener_t)(zkey_listener_t listener);
+
+typedef bool (*get_key_state_t)(void);
+typedef zkey_event_t zkey_state_t;
+
+typedef struct
+{
+  const char *name;
+  get_key_state_t get_key_state;
+  bool last_io_state;
+
+  zkey_state_t cur_state;    /**/
+  uint32_t keep_state_count; /*按键当前状态保持了多久*/
+
+  bool hasProcessed; /*useful for user*/
+  bool after_filter_state;
+
+  uint32_t currentstatekeep_count; // 消抖使用
+  bool last_real_state;            // 消抖使用
+
+} zkey_t;
+
+typedef struct
+{
+  zkey_t *keys;
+  int nkey;
+  void (*onkey)(zkey_t *key, zkey_state_t key_state);
+} zkey_module_t;
+
+void zkey_init(zkey_module_t *module);
+void zkey_do_loop_in_each_period(void *_null);
+
+#define ZKEY_INIT(_name, _get_key_state)           \
+  {                                                \
+    .name = _name, .get_key_state = _get_key_state \
+  }
+
+#define ZMODULE_INIT(_keys, _onkey) /**/ \
+  {                                 /**/ \
+    .keys = _keys,                  /**/ \
+        .nkey = ARRAY_SIZE(_keys),  /**/ \
+        .onkey = _onkey             /**/ \
+  }
\ No newline at end of file