ESP32 TTGO T-Journal without PSRAM support

.github/workflows/schedule.yml

@@ -2,7 +2,7 @@ name: Scheduled
 
 on:
   schedule:
-  ¦ - cron:  '30 10 * * 4' 
+    - cron:  '30 10 * * 4' 
 
 jobs:
   build:
@@ -30,4 +30,4 @@ jobs:
           pio pkg update
       - name: PlatformIO Build Test
         run: |
-          pio run
+          pio run

README.md

@@ -16,10 +16,11 @@ The ESPNowCam library is a simple and direct video streamer designed for popular
 
 ## Performance
 
-The current version tested with:
+The current version tested with the next cameras:
 
 | Sender | Receiver | Frame size | JPG Quality | FPS | Status |
 |:-----------------|:-----------:|:-------:|:-----:|:------:|:------:|
+| TTGO TJournal Camera (NO PSRAM) | M5Core2 / M5CoreS3 | QVGA | 12 | ~11 FPS | TESTING |
 | Freenove S3 Camera | M5Core2 / M5CoreS3 | QVGA | 12 | ~10 FPS | STABLE |
 | M5CoreS3 builtin Camera | M5Core2 | QVGA | 12  | ~11 FPS | STABLE |
 | Freenove S3 Camera | Makerfabs | HVGA | 12 | ~6 FPS | STABLE |
@@ -57,6 +58,7 @@ Note: Nanobp is not included as a dependency because, despite being 25 years aft
 
 | ENV Name   |    Target      |  Status |
 |:-----------------|:--------------:|:----------:|
+| tjournal-espnow-sender  | ESPNow camera transmitter (QVGA) | TESTING |
 | freenove-basic-sender  | ESPNow camera transmitter (QVGA) | STABLE |
 | freenove-hvga-sender  | ESPNow camera transmitter (HVGA) | <6 FPS |
 | freenove-nojpg-sender  | ESPNow camera transmitter (NOJPG) | DEMO ONLY (<2FPS) |
@@ -89,6 +91,7 @@ Some examples, only needs run `pio run --target upload` into each directory
 
 **Cameras:**
 
+- [x] TTGO T-Journal ESP32 Camera without PSRAM
 - [x] ESP32S3 Cam Freenove
 - [x] M5CoreS3 builtin Camera
 - [x] XIAO ESP32S3 Sense Camera
@@ -108,6 +111,7 @@ Some examples, only needs run `pio run --target upload` into each directory
 - [x] Isolate the ESPNow Receiver and Transmitter in a seperated library
 - [x] Unified and migrated to only one header `ESPNowCam.h`
 - [x] Add sender callback to improve speed
+- [ ] Add callback to Radio send action. issue #20
 - [ ] Migration to esp_wifi_80211_tx() to improve Payload and Quality
 
 ## ESPNow Transmitter and Receiver

examples/tjournal-espnow-sender/tjournal-espnow-sender.cpp

@@ -0,0 +1,46 @@
+/**************************************************
+ * ESPNowCam video Transmitter
+ * by @hpsaturn Copyright (C) 2024
+ * This file is part ESP32S3 camera tests project:
+ * https://github.com/hpsaturn/esp32s3-cam
+**************************************************/
+
+#include <Arduino.h>
+#include <ESPNowCam.h>
+#include <drivers/CamTJournal.h>
+#include <Utils.h>
+
+CamTJournal Camera;
+ESPNowCam radio;
+
+void processFrame() {
+  if (Camera.get()) {
+    radio.sendData(Camera.fb->buf, Camera.fb->len);
+    delay(25); // ==> weird delay for this camera. 
+    printFPS("CAM:");
+    Camera.free();
+  }
+}
+
+void setup() {
+  Serial.begin(115200);
+
+  delay(5000); // only for debugging 
+
+  if(psramFound()){
+    size_t psram_size = esp_spiram_get_size() / 1048576;
+    Serial.printf("PSRAM size: %dMb\r\n", psram_size);
+  }
+
+  radio.init();
+  if (!Camera.begin()) {
+    Serial.println("Camera Init Fail");
+    delay(1000);
+    ESP.restart();
+  }
+  delay(500);
+}
+
+void loop() {
+  processFrame();
+}

library.json

@@ -1,6 +1,6 @@
 {
   "name": "EspNowCam",
-  "version": "0.1.7",
+  "version": "0.1.8",
   "homepage":"https://github.com/hpsaturn/esp32s3-cam",
   "keywords": 
   [ 

library.properties

@@ -1,5 +1,5 @@
 name=EspNowCam
-version=0.1.7
+version=0.1.8
 author=@hpsaturn
 maintainer=Antonio Vanegas <[email protected]>
 sentence=ESPNowCam, a straightforward video streamer for popular ESP32Cam models, leveraging the ESPNow protocol. No need for IPs, routers, or credentials—keeping it simple! :D

platformio.ini

@@ -49,6 +49,14 @@ lib_deps =
   https://github.com/hpsaturn/SerialTerminal.git
   hpsaturn/ESP32 Wifi CLI @^0.2.1
 
+[env:tjournal-espnow-sender]
+platform = espressif32 @ 4.4.0
+extends = env
+board = esp32dev
+build_src_filter = -<*> -<*common*> +<tjournal-espnow-sender/>
+build_flags =
+  -D CORE_DEBUG_LEVEL=0
+
 [m5cores3_common]
 extends = esp32common
 lib_deps = 

src/ESPNowCam.h

@@ -11,8 +11,8 @@ extern "C" {
 typedef void (*RecvCb)(uint32_t lenght);
 }
 
-#define CSL_VERSION "0.1.7"
-#define CSL_REVISION 072
+#define CSL_VERSION "0.1.8"
+#define CSL_REVISION 073
 
 class ESPNowCam {
  private:

src/drivers/CamFreenove.cpp

@@ -28,8 +28,7 @@ static camera_config_t camera_config = {
     .jpeg_quality  = 0,
     .fb_count      = 2,
     .fb_location   = CAMERA_FB_IN_PSRAM,
-    .grab_mode     = CAMERA_GRAB_WHEN_EMPTY,
-    .sccb_i2c_port = 0
+    .grab_mode     = CAMERA_GRAB_WHEN_EMPTY
 };
 
 bool CamFreenove::begin() {

src/drivers/CamTJournal.cpp

@@ -0,0 +1,55 @@
+#include "CamTJournal.h"
+
+static camera_config_t camera_config = {
+    .pin_reset = 15,
+    .pin_xclk = 27,
+    .pin_sscb_sda = 25,
+    .pin_sscb_scl = 23,
+    .pin_d7 = 19,
+    .pin_d6 = 36,
+    .pin_d5 = 18,
+    .pin_d4 = 39,
+    .pin_d3 = 5,
+    .pin_d2 = 34,
+    .pin_d1 = 35,
+    .pin_d0 = 17,
+    .pin_vsync = 22,
+    .pin_href = 26,
+    .pin_pclk = 21,
+
+    .xclk_freq_hz = 20000000,
+    .ledc_timer   = LEDC_TIMER_0,
+    .ledc_channel = LEDC_CHANNEL_0,
+
+    .pixel_format  = PIXFORMAT_JPEG,
+    .frame_size    = FRAMESIZE_QVGA,
+    .jpeg_quality  = 12,
+    .fb_count      = 1,
+    .fb_location   = CAMERA_FB_IN_DRAM,
+    .grab_mode     = CAMERA_GRAB_WHEN_EMPTY,
+};
+
+bool CamTJournal::begin() {
+  esp_err_t err = esp_camera_init(&camera_config);
+  if (err != ESP_OK) {
+    return false;
+  }
+  sensor = esp_camera_sensor_get();
+  return true;
+}
+
+bool CamTJournal::get() {
+  fb = esp_camera_fb_get();
+  if (!fb) {
+    return false;
+  }
+  return true;
+}
+
+bool CamTJournal::free() {
+  if (fb) {
+    esp_camera_fb_return(fb);
+    return true;
+  }
+  return false;
+}

src/drivers/CamTJournal.h

@@ -0,0 +1,17 @@
+#ifndef CAMTJOURNAL_H
+#define CAMTJOURNAL_H
+
+#include "esp_camera.h"
+
+class CamTJournal {
+   private:
+   public:
+    camera_fb_t* fb;
+    sensor_t* sensor;
+    camera_config_t* config;
+    bool begin();
+    bool get();
+    bool free();
+};
+
+#endif

src/drivers/CamXiao.cpp

@@ -5,8 +5,8 @@ static camera_config_t camera_config = {
     .pin_pwdn = PWDN_GPIO_NUM,
     .pin_reset = RESET_GPIO_NUM,
     .pin_xclk = XCLK_GPIO_NUM,
-    .pin_sccb_sda = SIOD_GPIO_NUM,
-    .pin_sccb_scl = SIOC_GPIO_NUM,
+    .pin_sscb_sda = SIOD_GPIO_NUM,
+    .pin_sscb_scl = SIOC_GPIO_NUM,
     .pin_d7 = Y9_GPIO_NUM,
     .pin_d6 = Y8_GPIO_NUM,
     .pin_d5 = Y7_GPIO_NUM,