smart meeting proto

platformio.ini

@@ -22,4 +22,5 @@ lib_deps = siwats/ESPMegaPROR3@^1.3.0
            seithan/Easy Nextion Library@^1.0.6
            robtillaart/FRAM_I2C@^0.6.1
            esphome/ESPAsyncWebServer-esphome@^3.1.0
+           bblanchon/ArduinoJson@^6.21.3
 monitor_speed = 115200

src/user_code.cpp

@@ -1,20 +1,80 @@
 #include <user_code.hpp>
 
-//Timer Components
+char MEETING_STATE_REPORT_TOPIC[75];
-ESPMega_Timer timer1(0, 50, timer1_callback, 15001);
+char MEETING_STATE_REQUEST_TOPIC[75];
+char MEETING_ROOM_NAME[50] = "Meeting Room 04";
 
+StaticJsonDocument<2048> meeting_info;
+#define TOTAL_SLOT 22 // max init cycle 17
+uint8_t selected_slot = 1;
+uint8_t cycle_slot_start = 1;
+uint8_t slot_hours[TOTAL_SLOT + 1] = {8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19};
+uint8_t slot_minutes[TOTAL_SLOT + 1] = {0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0, 30, 0};
 // Display Componets
+#define elcd ESPMega_EXTLCD
 // Link with Dual state button object with id 2 on page 1 named bt0
-NexDSButton bt0 = NexDSButton(1, 2, "bt0");
+NexPicture lt_bt = NexPicture(1, 1, "lt_bt");
+NexPicture av_bt = NexPicture(1, 3, "lt_bt");
+NexButton left_bt = NexButton(1, 5, "left_bt");
+NexButton right_bt = NexButton(1, 6, "right_bt");
+NexPicture slot1 = NexPicture(1, 7, "slot1");
+NexPicture slot2 = NexPicture(1, 8, "slot2");
+NexPicture slot3 = NexPicture(1, 9, "slot3");
+NexPicture slot4 = NexPicture(1, 10, "slot4");
+NexPicture slot5 = NexPicture(1, 11, "slot5");
+
+// Lights on 0,1,2,3,4,5
+// A/V on 6
+
 // List of Component ID Message to listen to
 NexTouch *nex_listen_list[] =
     {
-        &bt0,
+        &lt_bt,
+        &av_bt,
+        &slot1,
+        &slot2,
+        &slot3,
+        &slot4,
+        &slot5,
+
         NULL};
 
-void bt0PopCallback(void *ptr)
+bool light_group_state()
 {
-    pwm_toggle(2);
+    for (int i = 0; i <= 5; i++)
+    {
+        if (pwm_get_state(i))
+            return true;
+    }
+    return false;
+}
+
+void lt_bt_cb(void *ptr)
+{
+    bool state = !light_group_state();
+    for (int i = 0; i++; i <= 5)
+        pwm_set_state(i, state);
+}
+
+void av_bt_cb(void *ptr)
+{
+    pwm_toggle(3);
+}
+
+void left_bt_cb(void *ptr)
+{
+    if(cycle_slot_start>0){
+        cycle_slot_start--;
+        write_time_slot();
+    }
+}
+
+void right_bt_cb(void *ptr)
+{
+    if(cycle_slot_start<TOTAL_SLOT-5){
+        cycle_slot_start++;
+        write_time_slot();
+    }
 }
 
 /*
@@ -24,6 +84,10 @@ Peripheral Initialization Routine
 void user_pre_init()
 {
     nexInit();
+    memcpy(MEETING_STATE_REPORT_TOPIC, MQTT_BASE_TOPIC, 20);
+    strcat(MEETING_STATE_REPORT_TOPIC, "/meeting/report");
+    memcpy(MEETING_STATE_REQUEST_TOPIC, MQTT_BASE_TOPIC, 20);
+    strcat(MEETING_STATE_REQUEST_TOPIC, "/meeting/request");
 }
 
 /*
@@ -31,12 +95,13 @@ This code will run after every component is initialized
 */
 void user_init()
 {
-    timer1.begin();
+    send_stop_bit();
-    ESPMega_EXTLCD.print("page home");
+    ESPMega_EXTLCD.print("page dashboard");
-    ESPMega_EXTLCD.write(0xFF);
+    send_stop_bit();
-    ESPMega_EXTLCD.write(0xFF);
+    left_bt.attachPop(left_bt_cb);
-    ESPMega_EXTLCD.write(0xFF);
+    right_bt.attachPop(right_bt_cb);
-    bt0.attachPop(bt0PopCallback, &bt0);
+    lt_bt.attachPop(lt_bt_cb);
+    av_bt.attachPop(av_bt_cb);
 }
 
 /*
@@ -56,10 +121,31 @@ void virtual_interrupt_user_callback(int pin, int state)
 
 void pwm_changed_user_callback(int pin)
 {
-    if (pin == 2)
+    if (pin >= 0 && pin <= 5)
     {
-        // inform the lcd when pwm 2 changed
+        if (light_group_state())
-        bt0.setValue(pwm_get_state(2));
+        {
+            elcd.write("lt_bt.pic=6");
+            send_stop_bit();
+        }
+        else
+        {
+            elcd.write("lt_bt.pic=5");
+            send_stop_bit();
+        }
+    }
+    else if (pin == 6)
+    {
+        if (pwm_get_state(6))
+        {
+            elcd.write("av_bt.pic=8");
+            send_stop_bit();
+        }
+        else
+        {
+            elcd.write("av_bt.pic=7");
+            send_stop_bit();
+        }
     }
 }
 
@@ -68,28 +154,51 @@ This code will run every 15 seconds
 */
 void timer_tick_callback()
 {
-    if (standalone)
+}
+
+void ac_changed_user_callback(int mode, int temperature, int fan_speed)
 {
-        timer1.loop();
-    }
 }
 
-void timer1_callback()
+void meeting_state_callback(String topic, String payload)
 {
-    for (int i = 0; i < 16; i++)
+    DeserializationError error = deserializeJson(meeting_info, payload);
+}
+
+void mqtt_connected_user_callback()
 {
-        pwm_set_state(i, 1);
+    mqtt.subscribe(MEETING_STATE_REPORT_TOPIC, meeting_state_callback);
+    mqtt.publish(MEETING_STATE_REQUEST_TOPIC, "request");
+}
+
+void user_state_request_callback()
+{
+}
+
+void write_time_slot()
+{
+    for (int i = 1; i <= 5; i++)
+    {
+        elcd.printf("slot%d_time.txt=%02d:%02d\n%02d:%02d", i, slot_hours[cycle_slot_start + i - 1],
+                    slot_minutes[cycle_slot_start + i - 1], slot_hours[cycle_slot_start + i],
+                    slot_minutes[cycle_slot_start + i]);
     }
 }
 
-void ac_changed_user_callback(int mode, int temperature, int fan_speed) {
+void send_stop_bit()
-    
+{
+    ESPMega_EXTLCD.write(0xFF);
+    ESPMega_EXTLCD.write(0xFF);
+    ESPMega_EXTLCD.write(0xFF);
 }
 
-void mqtt_connected_user_callback() {
+uint8_t get_current_time_slot()
-
+{
+    rtctime_t curtime = ESPMega_getTime();
+    for(uint8_t i=0;i<=TOTAL_SLOT;i++) {
+        if(slot_hours[i]>curtime.hours || (slot_hours[i]==curtime.hours && slot_minutes[i]>curtime.hours)) {
+            return i;
         }
-
+    } 
-void user_state_request_callback() {
+    return 255;
-
 }

src/user_code.hpp

@@ -3,6 +3,7 @@
 #include <Nextion.h>
 #include <PubSubClient.h>
 #include <PubSubClientTools.h>
+#include <ArduinoJson.h>
 #include "espmega_iot_timer.hpp"
 #include "espmega_iot_external_lcd.hpp"
 
@@ -27,6 +28,10 @@ void timer1_callback();
 void mqtt_connected_user_callback();
 void bt0PopCallback(void *ptr);
 void user_state_request_callback();
+void meeting_state_callback(String topic, String payload);
+void send_stop_bit();
+void write_time_slot();
+extern char MQTT_BASE_TOPIC[];
 
 
 // ESPMega IoT Core Build-in Functions