[FL-1161] Input bug fixes and cleanup (#416)
* Input: start/stop timers only from the input thread, adjust long/short/repeat timings, improve timer routines reliability.
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@ -1,5 +1,4 @@
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#include "input_i.h"
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#include <m-string.h>
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#define GPIO_Read(input_pin) \
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(HAL_GPIO_ReadPin((GPIO_TypeDef*)input_pin.pin->port, input_pin.pin->pin) ^ \
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@ -7,19 +6,33 @@
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static Input* input = NULL;
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inline static void input_timer_start(osTimerId_t timer_id, uint32_t ticks) {
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TimerHandle_t hTimer = (TimerHandle_t)timer_id;
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furi_check(xTimerChangePeriod(hTimer, ticks, portMAX_DELAY) == pdPASS);
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}
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inline static void input_timer_stop(osTimerId_t timer_id) {
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TimerHandle_t hTimer = (TimerHandle_t)timer_id;
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furi_check(xTimerStop(hTimer, portMAX_DELAY) == pdPASS);
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// xTimerStop is not actually stopping timer,
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// Instead it places stop event into timer queue
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// This code ensures that timer is stopped
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while(xTimerIsTimerActive(hTimer) == pdTRUE) osDelay(1);
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}
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void input_press_timer_callback(void* arg) {
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InputPinState* input_pin = arg;
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InputEvent event;
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event.key = input_pin->pin->key;
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if(!input_pin->repeat_event) {
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input_pin->press_counter++;
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if(input_pin->press_counter == INPUT_LONG_PRESS_COUNTS) {
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event.type = InputTypeLong;
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notify_pubsub(&input->event_pubsub, &event);
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input_pin->repeat_event = true;
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} else {
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} else if(input_pin->press_counter > INPUT_LONG_PRESS_COUNTS) {
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input_pin->press_counter--;
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event.type = InputTypeRepeat;
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notify_pubsub(&input->event_pubsub, &event);
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}
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osTimerStart(input_pin->press_timer, INPUT_REPEATE_PRESS_TICKS);
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}
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void input_isr(void* _pin, void* _ctx) {
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@ -34,7 +47,7 @@ void input_cli_send(string_t args, void* context) {
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string_init(key_name);
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size_t ws = string_search_char(args, ' ');
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if(ws == STRING_FAILURE) {
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printf("Wrong input");
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printf("Invalid arguments. Use `input_send KEY TYPE`.");
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string_clear(key_name);
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return;
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} else {
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@ -56,7 +69,7 @@ void input_cli_send(string_t args, void* context) {
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} else if(!string_cmp(key_name, "back")) {
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event.key = InputKeyBack;
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} else {
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printf("Wrong argument");
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printf("Invalid key name. Valid keys: `up`, `down`, `left`, `right`, `back`, `ok`.");
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string_clear(key_name);
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return;
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}
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@ -71,7 +84,7 @@ void input_cli_send(string_t args, void* context) {
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} else if(!string_cmp(args, "long")) {
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event.type = InputTypeLong;
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} else {
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printf("Wrong argument");
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printf("Ivalid type. Valid types: `press`, `release`, `short`, `long`.");
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return;
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}
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// Publish input event
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@ -97,10 +110,10 @@ int32_t input_task() {
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for(size_t i = 0; i < pin_count; i++) {
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input->pin_states[i].pin = &input_pins[i];
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input->pin_states[i].state = GPIO_Read(input->pin_states[i]);
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input->pin_states[i].repeat_event = false;
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input->pin_states[i].debounce = INPUT_DEBOUNCE_TICKS_HALF;
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input->pin_states[i].press_timer =
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osTimerNew(input_press_timer_callback, osTimerOnce, &input->pin_states[i], NULL);
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osTimerNew(input_press_timer_callback, osTimerPeriodic, &input->pin_states[i], NULL);
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input->pin_states[i].press_counter = 0;
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}
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while(1) {
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@ -113,21 +126,24 @@ int32_t input_task() {
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input->pin_states[i].debounce += (state ? 1 : -1);
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} else if(input->pin_states[i].state != state) {
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input->pin_states[i].state = state;
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// Common state info
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InputEvent event;
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event.type = input->pin_states[i].state ? InputTypePress : InputTypeRelease;
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event.key = input->pin_states[i].pin->key;
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event.type = input->pin_states[i].state ? InputTypePress : InputTypeRelease;
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// Send Press/Release event
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notify_pubsub(&input->event_pubsub, &event);
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// Short/Long press logic
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// Short / Long / Repeat timer routine
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if(state) {
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osTimerStart(input->pin_states[i].press_timer, INPUT_LONG_PRESS_TICKS);
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} else if(input->pin_states[i].repeat_event) {
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osTimerStop(input->pin_states[i].press_timer);
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input->pin_states[i].repeat_event = false;
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} else if(osTimerStop(input->pin_states[i].press_timer) == osOK) {
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event.type = InputTypeShort;
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notify_pubsub(&input->event_pubsub, &event);
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input_timer_start(input->pin_states[i].press_timer, INPUT_PRESS_TICKS);
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} else {
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input_timer_stop(input->pin_states[i].press_timer);
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if(input->pin_states[i].press_counter < INPUT_LONG_PRESS_COUNTS) {
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event.type = InputTypeShort;
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notify_pubsub(&input->event_pubsub, &event);
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}
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input->pin_states[i].press_counter = 0;
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}
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}
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}
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@ -1,16 +1,18 @@
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#pragma once
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#include "input.h"
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#include <FreeRTOS.h>
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#include <timers.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <furi.h>
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#include <cli/cli.h>
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#include <m-string.h>
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#define INPUT_DEBOUNCE_TICKS_HALF (INPUT_DEBOUNCE_TICKS / 2)
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#define INPUT_LONG_PRESS_TICKS 2048
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#define INPUT_REPEATE_PRESS_TICKS 256
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#define INPUT_PRESS_TICKS 200
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#define INPUT_LONG_PRESS_COUNTS 4
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#define INPUT_THREAD_FLAG_ISR 0x00000001
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/* Input pin state */
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@ -18,9 +20,9 @@ typedef struct {
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const InputPin* pin;
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// State
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volatile bool state;
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volatile bool repeat_event;
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volatile uint8_t debounce;
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volatile osTimerId_t press_timer;
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volatile uint8_t press_counter;
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} InputPinState;
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/* Input state */
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