improved code sample and contribution message

Author: hpsaturn

README.md

@@ -104,7 +104,7 @@ void onDataReady(uint32_t lenght) {
 It's also possible to define a specific target:
 
 ```cpp
-uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
 radio.setTarget(macRecv);
 radio.init();
 ```
@@ -136,7 +136,7 @@ CamFreenove Camera;
 ```
 
 >[!TIP]
->For now, it includes drivers for FreenoveS3, XIAOS3, M5UnitCamS3, Freenove WRover, ESP32Cam AI-Thinker and the TTGO T-Journal cameras, but you are able to define your custom camera like is shown in the [custom-camera-sender](https://github.com/hpsaturn/ESPNowCam/tree/master/examples/custom-camera-sender) example. If you can run it in a different camera, please notify me :D
+>For now, it includes drivers for FreenoveS3, XIAOS3, M5UnitCamS3, Freenove WRover, ESP32Cam AI-Thinker and the TTGO T-Journal cameras, but you are able to define your custom camera like is shown in the [custom-camera-sender](https://github.com/hpsaturn/ESPNowCam/tree/master/examples/custom-camera-sender) example. If you can run it in a different camera, please notify me via a [GitHub issue](https://github.com/hpsaturn/ESPNowCam/issues/new) or please contribute with the project sending a pull request :D
 
 ### PSRAM or DRAM?
 

examples/custom-camera-sender/custom-camera-sender.cpp

@@ -15,7 +15,14 @@ camera_fb_t* fb;
 
 bool has_psram = false;
 
-// Please change this to your Camera pins:
+// !! N O T E !! 
+// Please change this for your Camera pins if your camera
+// is not listed in the examples or driver directory.
+
+// If your new config works and it is not included in the
+// drivers section, please notify it via an issue or please
+// contribute to the proyect with a pull request. Thanks!
+
 camera_config_t camera_config = {
     .pin_pwdn = -1,
     .pin_reset = 15,

examples/esp32cam-basic-sender/esp32cam-basic-sender.ino

@@ -40,8 +40,8 @@ void setup() {
     Serial.printf("PSRAM size: %dMb\r\n", psram_size);
   }
 
-  // M5Core2 receiver target (P2P or 1:1 mode)
-  // uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  // Optional set M5Core2 receiver target (P2P or 1:1 mode)
+  // const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   // radio.setTarget(macRecv);
   radio.init();
 

examples/freenove-basic-sender/freenove-basic-sender.ino

@@ -41,7 +41,7 @@ void setup() {
   }
 
   // M5Core2 receiver target (P2P or 1:1 mode)
-  // uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  // const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   // radio.setTarget(macRecv);
   radio.init();
 

examples/freenove-tank/freenove-tank.cpp

@@ -287,11 +287,11 @@ void setup() {
   delay(1000);
 
   // BE CAREFUL WITH IT, IF JPG LEVEL CHANGES, INCREASE IT
-  recv_buff = (uint8_t*)  ps_malloc(100* sizeof( uint8_t ) ) ;
+  recv_buff = static_cast<uint8_t*>(ps_malloc(100 * sizeof(uint8_t)));
   radio.setRecvBuffer(recv_buff);
   radio.setRecvCallback(onDataReady);
 
-  uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   radio.setTarget(macRecv);
   radio.init(244);
 

examples/freenoveWR-basic-sender/freenoveWR-basic-sender.ino

@@ -42,7 +42,7 @@ void setup() {
   }
 
   // M5Core2 receiver target (P2P or 1:1 mode)
-  // uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  // const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   // radio.setTarget(macRecv);
   radio.init();
 

examples/makerfabs-receiver/makerfabs-receiver.cpp

@@ -64,7 +64,7 @@ void setup() {
   }
 
   // BE CAREFUL WITH IT, IF JPG LEVEL CHANGES, INCREASE IT
-  fb = (uint8_t *)ps_malloc(30000 * sizeof(uint8_t));
+  fb = static_cast<uint8_t*>(ps_malloc(30000 * sizeof(uint8_t)));
 
   radio.setRecvBuffer(fb);
   radio.setRecvCallback(onDataReady);

examples/multi-camera-one-receiver/m5cores3-camera1.cpp

@@ -56,7 +56,7 @@ void setup() {
   }
 
   // M5Core2 receiver MAC: B8:F0:09:C6:0E:CC
-  // uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  // const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   // Makerfabs receiver 7C:DF:A1:F3:73:3C
   const uint8_t macRecv[6] = {0x7C,0xDF,0xA1,0xF3,0x73,0x3C};
 

examples/multi-camera-one-receiver/tjournal-camera2.cpp

@@ -33,9 +33,9 @@ void setup() {
   }
 
   // M5Core2 receiver MAC: B8:F0:09:C6:0E:CC
-  // uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  // const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   // Makerfabs receiver 7C:DF:A1:F3:73:3C
-  uint8_t macRecv[6] = {0x7C,0xDF,0xA1,0xF3,0x73,0x3C};
+  const uint8_t macRecv[6] = {0x7C,0xDF,0xA1,0xF3,0x73,0x3C};
   radio.setTarget(macRecv);
   radio.init();
 

examples/multi-camera-one-receiver/xiao-camera3.cpp

@@ -51,9 +51,9 @@ void setup() {
   }
 
   // M5Core2 receiver MAC: B8:F0:09:C6:0E:CC
-  // uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
+  // const uint8_t macRecv[6] = {0xB8,0xF0,0x09,0xC6,0x0E,0xCC};
   // Makerfabs receiver 7C:DF:A1:F3:73:3C
-  uint8_t macRecv[6] = {0x7C,0xDF,0xA1,0xF3,0x73,0x3C};
+  const uint8_t macRecv[6] = {0x7C,0xDF,0xA1,0xF3,0x73,0x3C};
   radio.setTarget(macRecv);
   radio.init();