Added the create window command

src/communication/commands.cpp

@@ -10,7 +10,7 @@ char* CommandToStr(Command id) {
       return (char*)"CmdCreateWindow";
     case CmdDestroyWindow:
       return (char*)"CmdDestroyWindow";
+    default:
+      return (char*)"CmdUnknown";
   }
-
-  return (char*)"CmdInvalid";
 }

src/data.cpp

@@ -1,84 +0,0 @@
-#include "data.h"
-#include <Arduino.h>
-#include <cstring>
-
-uint8_t packetBuffer[sizeof(DataPacket)] = {0};
-int bufferIndex = 0;
-bool isReceiving = false;
-
-void SendDataRequest() {
-  DataReq req = {5};
-  Serial.write((uint8_t *)&req, sizeof(req));
-  Serial.flush();
-}
-
-int RecvDataPacket(DataPacket *p) {
-  while (Serial.available() > 0) {
-    uint8_t byte = Serial.read();
-
-    if (!isReceiving) {
-      if (byte == 0x02) {
-        isReceiving = true;
-        bufferIndex = 0;
-      }
-    }
-    packetBuffer[bufferIndex++] = byte;
-
-    if (bufferIndex >= sizeof(DataPacket)) {
-      Serial.flush();
-      bufferIndex = 0;
-      isReceiving = false;
-
-      memcpy(p, packetBuffer, sizeof(DataPacket));
-
-      if (p->EndMarker != 0x03) {
-        // Serial2.println(F("\r////////////// DATA IS MALFORMED
-        // //////////////"));
-        return 1;
-      }
-
-      return 0;
-      // for(int k = 0; k < sizeof(DataPacket); k++) {
-      //   if (k % 8 == 0) {
-      //     Serial2.printf("\r\n");
-      //   }
-      //   Serial2.printf(" 0x%02x", packetBuffer[k]);
-      // }
-      // Serial2.printf("\r\n");
-
-      // Serial2.printf("%d / %d [%2d] || %d / %d [%2d]\n\n\r",
-      // ESP.getFreeHeap(),
-      //                ESP.getHeapSize(),
-      //                (int)(((float)(ESP.getHeapSize() - ESP.getFreeHeap()) /
-      //                       ESP.getHeapSize()) *
-      //                      100),
-      //                ESP.getFreePsram(), ESP.getPsramSize(),
-      //                (int)(((float)(ESP.getPsramSize() - ESP.getFreePsram())
-      //                /
-      //                       ESP.getPsramSize()) *
-      //                      100));
-
-      // debugDataPacket(&packet);
-    }
-  }
-  return 1;
-}
-
-void DebugDataPacket(DataPacket *p) {
-  Serial2.printf("\rSize:        %zu\n", sizeof(struct DataPacket));
-  Serial2.printf("\rStartMarker: 0x%02x\n", p->StartMarker);
-  Serial2.printf("\rSpeed:       %s\n", p->speed);
-  Serial2.printf("\rGear:        %s\n", p->gear);
-  Serial2.printf("\rRPM:         %s\n", p->rpm);
-  Serial2.printf("\rLapNumber:   %s\n", p->LapNumber);
-  Serial2.printf("\rcurrLapTime: %s\n", p->currLapTime);
-  Serial2.printf("\rlastLapTime: %s\n", p->lastLapTime);
-  Serial2.printf("\rfuelEst:     %s\n", p->FuelEst);
-  Serial2.printf("\rStandings:\n");
-  for (int k = 0; k < 5; k++) {
-    Serial2.printf("\r  Lap:         %s\n", p->standings[k].Lap);
-    Serial2.printf("\r  DriverName:  %s\n", p->standings[k].DriverName);
-    Serial2.printf("\r  TimeBehind:  %s\n", p->standings[k].TimeBehindString);
-  }
-  Serial2.printf("\rEndMarker:   0x%02x\n\n", p->EndMarker);
-}

src/data.h

@@ -1,59 +0,0 @@
-#ifndef __DASH_DISPLAY_DATA
-#define __DASH_DISPLAY_DATA
-
-#include <stdint.h>
-
-struct DataReq {
-  uint8_t type;
-};
-
-// Car data
-const int speedLen = 5;
-const int gearLen = 3;
-const int rpmLen = 6;
-const int brakeBiasLen = 6;
-
-// Lap data
-const int lapNumberLen = 5;
-const int DeltaToBestLapLen = 6;
-const int bestLapTimeLen = 10;
-const int currLapTimeLen = 10;
-const int lastLapTimeLen = 10;
-
-// Fuel data
-const int FuelTankLen = 15;
-const int FuelEstLen = 15;
-
-const int LapStringLen = 4;
-const int DriverNameLen = 24;
-const int TimeBehindStringLen = 8;
-
-#pragma pack(push, 1)
-struct StandingLine {
-  char Lap[LapStringLen];
-  char DriverName[DriverNameLen];
-  char TimeBehindString[TimeBehindStringLen];
-};
-
-struct DataPacket {
-  uint8_t StartMarker;
-  char speed[speedLen];
-  char gear[gearLen];
-  char rpm[rpmLen];
-  char brakeBias[brakeBiasLen];
-  char LapNumber[lapNumberLen];
-  char DeltaToBestLap[DeltaToBestLapLen];
-  char bestLapTime[bestLapTimeLen];
-  char currLapTime[currLapTimeLen];
-  char lastLapTime[lastLapTimeLen];
-  char FuelEst[FuelEstLen];
-  StandingLine standings[5];
-  uint8_t EndMarker;
-};
-#pragma pack(pop)
-
-void DebugDataPacket(DataPacket *p);
-int RecvDataPacket(DataPacket *p);
-void SendDataRequest();
-
-#endif

src/main.cpp

@@ -156,21 +156,28 @@ uint64_t lastDataRead = 0;
 
 bool gotAck = false;
 
-struct UIWindowPacket {
+struct UICreateWindowPacket {
-  uint8_t StartMarker;
   uint16_t x0;
   uint16_t y0;
   uint16_t width;
   uint16_t height;
-  uint8_t EndMarker;
+  char title[32]; // Note: we optimize this type of data transfer if necessary
+                  // we are sending 32 - len(title) extra bytes everytime
 };
 
+void printUIWindowPacket(UICreateWindowPacket *win) {
+  LOG_INFO(F("New window:\n"));
+  LOG_INFO(F("  X0    : %d\n"), win->x0);
+  LOG_INFO(F("  Y0    : %d\n"), win->y0);
+  LOG_INFO(F("  Width : %d\n"), win->width);
+  LOG_INFO(F("  Height: %d\n"), win->height);
+  LOG_INFO(F("  Title : %s\n"), win->title);
+}
+
 uint64_t lastSent = 0;
 void loop(void) {
   uint64_t cur = millis();
 
-  // with this new way of reading data, we are just gonna read a payload
-  // and get a command
   Command cmd = CmdUnknown;
   uint8_t payload[256] = {0};
 
@@ -193,6 +200,32 @@ void loop(void) {
         initIdentificationPacket(&papers, ESLABS_DEVICE_NAME, ESLABS_DEVICE_ID); 
         WalkieTalkie::SendData(&papers);
         break;
+      case CmdCreateWindow: {
+        // Here we parse the payload a a UIWindowPacket
+        UICreateWindowPacket win;
+        memcpy(&win, payload, sizeof(UICreateWindowPacket));
+        printUIWindowPacket(&win);
+
+        UIElement *mainWindow = mainScreen.mainWindowHandle;
+
+        int16_t childID = mainWindow->AddChild(STRING);
+        if (childID < 0) {
+          LOG_WARN(F("Failed to add new window!\n"));
+        } else {
+          LOG_INFO(F("Successfully added a new window: %d\n"), childID);
+
+          UIElement *childComponent = mainWindow->GetChild(childID);
+
+          childComponent->SetTitle((char *)"%s [%2d]", (const char *)win.title, childID);
+          childComponent->SetUIDecorations(UIDecorations());
+          childComponent->SetUIDimensions(UIDimensions(20, 20, 300, 300));
+          childComponent->SetDisplay(mainScreen.display);
+
+          childComponent->drawBox();
+        }
+
+        break;
+      }
       default:
         LOG_WARN(F("Command: `%s` has not been implemented yet."), CommandToStr(cmd));
     }