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Added button handler

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This commit is contained in:
Dirk Jahnke
2018-01-27 15:51:57 +01:00
parent 649b9e0729
commit 85cdbbf42d
10 changed files with 180 additions and 32 deletions
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61
src/buttonHandler.c Normal file
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@@ -0,0 +1,61 @@
#include "mgos.h"
#include "mgos_gpio.h"
#include "mgos_timers.h"
#include "buttonHandler.h"
#define ON_BOARD_BUTTON_PIN 5
#define MAX_TIME_BETWEEN_MULTIPLE_BUTTON_PRESS_EVENTS 200
static double lastButtonPressTime = 0;
static uint8_t buttonPressCounter = 0;
static mgos_timer_id multiPressTimerId = 0;
static uint8_t callbacksRegistered = 0;
#define MAX_CALLBACKS 10
struct callbackReg_s {
int numberPressed;
button_press_callback callback;
};
static struct callbackReg_s callbacks[MAX_CALLBACKS];
void add_button_press_callback(int numberPressed, button_press_callback cb) {
if (callbacksRegistered < MAX_CALLBACKS) {
callbacks[callbacksRegistered].callback = cb;
callbacks[callbacksRegistered].numberPressed = numberPressed;
++callbacksRegistered;
} else {
LOG(LL_ERROR, ("ERROR: Too many callbacks for button press! -- ignored this on for %d presses", numberPressed));
}
}
static void multiPressButtonHandler(void *arg) {
(void) arg;
LOG(LL_DEBUG, ("multiPressButtonHandler called after %d presses", buttonPressCounter));
multiPressTimerId = 0; // timer used only once, thus we clear it
for (int i=0; i<callbacksRegistered; ++i) {
if (callbacks[i].numberPressed == buttonPressCounter) {
LOG(LL_DEBUG, ("Calling button press callback for %d presses, index %d", buttonPressCounter, i));
callbacks[i].callback(buttonPressCounter);
}
}
}
static void buttonHandler(int pin, void *arg) {
(void) pin;
(void) arg;
// button release event occured
if (mgos_uptime() - lastButtonPressTime < MAX_TIME_BETWEEN_MULTIPLE_BUTTON_PRESS_EVENTS) {
++buttonPressCounter;
} else {
buttonPressCounter = 0;
}
lastButtonPressTime = mgos_uptime();
// at this point we do not know if more press events will come that we need to count, therefore we wait before we act
if (multiPressTimerId != 0) mgos_clear_timer(multiPressTimerId);
multiPressTimerId = mgos_set_timer(MAX_TIME_BETWEEN_MULTIPLE_BUTTON_PRESS_EVENTS + 1, 0, multiPressButtonHandler, NULL);
}
void init_button_handler() {
mgos_gpio_set_button_handler(ON_BOARD_BUTTON_PIN, MGOS_GPIO_PULL_UP, MGOS_GPIO_INT_EDGE_POS, 50, buttonHandler, NULL);
}

9
src/buttonHandler.h Normal file
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@@ -0,0 +1,9 @@
#ifndef buttonHandler_h_included
#define buttonHandler_h_included
typedef void (*button_press_callback)(int numberPressed);
extern void init_button_handler();
extern void add_button_press_callback(int numberPressed, button_press_callback cb);
#endif

12
src/ledHandler.c
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@@ -15,17 +15,15 @@
static int ON_BOARD_LED = 13; /* sonoff basic LED pin */
static LEDStatus currentStatus = LED_OFF;
static enum LEDStatus currentStatus = LED_OFF;
static int numTicksLedHasThisState = 0;
void set_led_status(LEDStatus newStatus) {
void set_led_status(enum LEDStatus newStatus) {
numTicksLedHasThisState = 0;
currentStatus = newStatus;
LOG(LL_DEBUG, ("set_led_status to %d", newStatus));
LOG(LL_INFO, ("set_led_status to %d", newStatus));
}
static uint8_t led_timer_ticks = 0; /* for led blinker use */
static void blink_on_board_led_cb(void *arg) {
switch (currentStatus) {
case LED_OFF:
@@ -35,7 +33,7 @@ static void blink_on_board_led_cb(void *arg) {
mgos_gpio_write(ON_BOARD_LED, 0); // on
break;
case LED_BLINK_SLOW:
++numTicksLedHasThisState = 0;
++numTicksLedHasThisState;
if (numTicksLedHasThisState >= 4) {
numTicksLedHasThisState = 0;
mgos_gpio_toggle(ON_BOARD_LED);
@@ -55,5 +53,5 @@ static void blink_on_board_led_cb(void *arg) {
void init_led_handler() {
mgos_gpio_set_mode(ON_BOARD_LED, MGOS_GPIO_MODE_OUTPUT);
mgos_set_timer(250, MGOS_TIMER_REPEAT, blink_on_board_led_cb, NULL);
LOG(LL_DEBUG, ("LED handler initialized"));
LOG(LL_INFO, ("LED handler initialized"));
}

2
src/ledHandler.h
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@@ -13,7 +13,7 @@ enum LEDStatus {
LED_BLINK_FAST = 3 // on 2x / second (250ms on, 250ms off)
};
extern void set_led_status(LEDStatus newStatus);
extern void set_led_status(enum LEDStatus newStatus);
extern void init_led_handler();
#endif

31
src/main.c
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@@ -1,19 +1,19 @@
#include <stdio.h>
#include <time.h>
#include "common/platform.h"
#include "common/cs_file.h"
#include "mgos.h"
#include "mgos_app.h"
#include "mgos_gpio.h"
#include "mgos_sys_config.h"
#include "mgos_timers.h"
#include "mgos_hal.h"
#include "mgos_dlsym.h"
#include "mgos_mqtt.h"
#include "mjs.h"
#include "common/platform.h"
#include "common/cs_file.h"
#include "buttonHandler.h"
#include "ledHandler.h"
#define RELAY_PIN 12
bool mqtt_conn_flag = false;
@@ -36,7 +36,7 @@ int mqtt_connected(void) {
static void mqtt_ev_handler(struct mg_connection *c, int ev, void *p, void *user_data) {
struct mg_mqtt_message *msg = (struct mg_mqtt_message *) p;
if (ev == MG_EV_MQTT_CONNACK) {
LOG(LL_INFO, ("MQTT connected: %d", msg->connack_ret_code));
LOG(LL_INFO, ("SonoffApp: MQTT connected: %d", msg->connack_ret_code));
mqtt_conn_flag = true;
//if (get_cfg()->mqtt.pub == NULL) {
//LOG(LL_ERROR, ("Run 'mos config-set mqtt.pub=... '"));
@@ -50,9 +50,26 @@ static void mqtt_ev_handler(struct mg_connection *c, int ev, void *p, void *user
(void) c;
}
static void buttonPressOne(int pressCount) {
LOG(LL_DEBUG, ("buttonPressOne called with pressCount=%d", pressCount));
}
static void buttonPressTwo(int pressCount) {
LOG(LL_DEBUG, ("buttonPressTwo called with pressCount=%d", pressCount));
}
static void buttonPressThree(int pressCount) {
LOG(LL_DEBUG, ("buttonPressThree called with pressCount=%d", pressCount));
}
enum mgos_app_init_result mgos_app_init(void) {
init_led_handler();
set_led_status(LED_BLINK_FAST);
init_button_handler();
add_button_press_callback(1, buttonPressOne);
add_button_press_callback(2, buttonPressTwo);
add_button_press_callback(3, buttonPressThree);
mgos_mqtt_add_global_handler(mqtt_ev_handler, NULL);
LOG(LL_DEBUG, ("SONOFF app initialized"));
LOG(LL_INFO, ("SONOFF app initialized"));
return MGOS_APP_INIT_SUCCESS;
}