added AI-Thinker samples. Some warnnings fixed

Author: hpsaturn

README.md

@@ -164,6 +164,7 @@ more details in the sample [xiao-internal-jpg-sender](examples/xiao-internal-jpg
 | custom-camera-sender | Custom settings - optional PSRAM | QVGA | STABLE |
 | tjournal-espnow-sender  | NOPSRAM, 1FB, internal JPG | QVGA | STABLE |
 | m5cores3-espnow-sender | PSRAM, 2FB, JPG built-in camera | QVGA | STABLE |
+| esp32cam-p2p-sender | PSRAM, 1FB, IDF-JPG | QVGA | UNTESTED |
 
 ### Receivers samples
 
@@ -225,6 +226,7 @@ The library was tested on the next devices:
 - [x] M5CoreS3 (builtin Camera)
 - [x] XIAO ESP32S3 Sense Camera
 - [x] M5UnitCamS3
+- [ ] ESP32Cam AI-Thinker (untested. Help wanted)
 
 **Receivers:**
 

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

@@ -0,0 +1,60 @@
+/**************************************************
+ * ESP32Cam AI-Thinker Transmitter
+ * by @hpsaturn Copyright (C) 2024
+ * This file is part ESPNowCam project:
+ * https://github.com/hpsaturn/ESPNowCam
+**************************************************/
+
+// N O T E:
+// -------
+// Don't forget first install NanoPb library!
+// and also review the README.md file.
+
+#include <Arduino.h>
+#include <ESPNowCam.h>
+#include <drivers/CamAIThinker.h>
+
+CamAIThinker Camera;
+ESPNowCam radio;
+
+void processFrame() {
+  if (Camera.get()) {
+    uint8_t *out_jpg = NULL;
+    size_t out_jpg_len = 0;
+    frame2jpg(Camera.fb, 12, &out_jpg, &out_jpg_len);
+    radio.sendData(out_jpg, out_jpg_len);
+    free(out_jpg);
+    Camera.free();
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  Serial.setDebugOutput(true);
+  Serial.println();
+
+  delay(1000); // only for debugging.
+
+  if(psramFound()){
+    size_t psram_size = esp_spiram_get_size() / 1048576;
+    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};
+  // radio.setTarget(macRecv);
+  radio.init();
+
+  // You are able to change the Camera config E.g:
+  // Camera.config.fb_count = 2;
+  // Camera.config.frame_size = FRAMESIZE_QQVGA;
+  
+  if (!Camera.begin()) {
+    Serial.println("Camera Init Fail");
+  }
+  delay(500);
+}
+
+void loop() {
+  processFrame();
+}

examples/esp32cam-basic-sender/platformio.ini

@@ -0,0 +1,26 @@
+; ESPNowCam Freenove ESP32S3CAM
+; https://github.com/hpsaturn/esp32s3-cam
+; @Hpsaturn 2024
+
+[platformio]
+src_dir = ./
+
+[env]
+platform = espressif32
+framework = arduino
+monitor_speed = 115200
+monitor_filters = 
+  esp32_exception_decoder
+  time
+build_flags =
+  -D CORE_DEBUG_LEVEL=3
+  -D BOARD_HAS_PSRAM=1
+
+[esp32common]
+extends = env
+board = esp32dev
+
+[env:freenove-basic-sender]
+extends = esp32common
+lib_deps = 
+  hpsaturn/EspNowCam@^0.1.12

examples/esp32cam-p2p-sender/esp32cam-p2p-sender.cpp

@@ -0,0 +1,60 @@
+/**************************************************
+ * ESP32Cam AI-Thinker Transmitter
+ * by @hpsaturn Copyright (C) 2024
+ * This file is part ESPNowCam project:
+ * https://github.com/hpsaturn/ESPNowCam
+**************************************************/
+
+// N O T E:
+// -------
+// Don't forget first install NanoPb library!
+// and also review the README.md file.
+
+#include <Arduino.h>
+#include <ESPNowCam.h>
+#include <drivers/CamAIThinker.h>
+
+CamAIThinker Camera;
+ESPNowCam radio;
+
+void processFrame() {
+  if (Camera.get()) {
+    uint8_t *out_jpg = NULL;
+    size_t out_jpg_len = 0;
+    frame2jpg(Camera.fb, 12, &out_jpg, &out_jpg_len);
+    radio.sendData(out_jpg, out_jpg_len);
+    free(out_jpg);
+    Camera.free();
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+  Serial.setDebugOutput(true);
+  Serial.println();
+
+  delay(1000); // only for debugging.
+
+  if(psramFound()){
+    size_t psram_size = esp_spiram_get_size() / 1048576;
+    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};
+  radio.setTarget(macRecv);
+  radio.init();
+
+  // You are able to change the Camera config E.g:
+  // Camera.config.fb_count = 2;
+  // Camera.config.frame_size = FRAMESIZE_QQVGA;
+  
+  if (!Camera.begin()) {
+    Serial.println("Camera Init Fail");
+  }
+  delay(500);
+}
+
+void loop() {
+  processFrame();
+}

platformio.ini

@@ -17,7 +17,7 @@ build_flags =
   ; -Wall
   ; -Wextra
   ; -Werror
-  -D CORE_DEBUG_LEVEL=0
+  -D CORE_DEBUG_LEVEL=3
   -D BOARD_HAS_PSRAM=1
 lib_deps =
   nanopb/[email protected]
@@ -102,6 +102,12 @@ extends = env
 board = esp32dev
 build_src_filter = -<*> -<*common*> +<custom-camera-sender/>
 
+[env:esp32cam-p2p-sender]
+platform = espressif32
+extends = env
+board = esp32dev
+build_src_filter = -<*> -<*common*> +<esp32cam-p2p-sender/>
+
 [env:m5cores3-espnow-sender]
 extends = m5cores3_common
 build_src_filter = -<*> +<m5cores3-espnow-sender/>

src/drivers/CamAIThinker.h

@@ -13,8 +13,8 @@ class CamAIThinker : public CameraBase {
   CamAIThinker(){
     config.pin_reset = -1;
     config.pin_xclk = 0;
-    config.pin_sscb_sda = 26;
-    config.pin_sscb_scl = 27;
+    config.pin_sccb_sda = 26;
+    config.pin_sccb_scl = 27;
     config.pin_d7 = 35;
     config.pin_d6 = 34;
     config.pin_d5 = 39;
@@ -29,11 +29,11 @@ class CamAIThinker : public CameraBase {
     config.xclk_freq_hz = 20000000;
     config.ledc_timer   = LEDC_TIMER_0;
     config.ledc_channel = LEDC_CHANNEL_0;
-    config.pixel_format  = PIXFORMAT_JPEG;
+    config.pixel_format  = PIXFORMAT_RGB565;
     config.frame_size    = FRAMESIZE_QVGA;
     config.jpeg_quality  = 12;
-    config.fb_count      = 1;
-    config.fb_location   = CAMERA_FB_IN_DRAM;
+    config.fb_count      = 2;
+    config.fb_location   = CAMERA_FB_IN_PSRAM;
     config.grab_mode     = CAMERA_GRAB_WHEN_EMPTY;
   }
 };

src/drivers/CamTJournal.h

@@ -13,8 +13,8 @@ class CamTJournal : public CameraBase {
   CamTJournal(){
     config.pin_reset = 15;
     config.pin_xclk = 27;
-    config.pin_sscb_sda = 25;
-    config.pin_sscb_scl = 23;
+    config.pin_sccb_sda = 25;
+    config.pin_sccb_scl = 23;
     config.pin_d7 = 19;
     config.pin_d6 = 36;
     config.pin_d5 = 18;