Input: refactoring, platform agnostic key configuration.

Update input usage across project. Minor queue usage fixes and tick timings. (#330)

applications/input/input_i.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include "input.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <furi.h>
+
+#define INPUT_DEBOUNCE_TICKS_HALF (INPUT_DEBOUNCE_TICKS / 2)
+#define INPUT_LONG_PRESS_TICKS 2048
+#define INPUT_THREAD_FLAG_ISR 0x00000001
+
+/* Input pin state */
+typedef struct {
+    const InputPin* pin;
+    // State
+    volatile bool state;
+    volatile uint8_t debounce;
+    volatile osTimerId_t press_timer;
+} InputPinState;
+
+/* Input state */
+typedef struct {
+    osThreadId_t thread;
+    PubSub event_pubsub;
+    InputPinState* pin_states;
+} Input;
+
+/* Input press timer callback */
+void input_press_timer_callback(void* arg);
+
+/* Input interrupt handler */
+void input_isr(void* _pin, void* _ctx);