/*

M5StackCoreS3_CameraWebServer

Porting of espressif/arduino-esp32 example to M5Stack CoreS3 (GC0308)

See also https://github.com/espressif/arduino-esp32/tree/master/libraries/ESP32/examples/Camera/CameraWebServer

Author GOB https://twitter.com/gob_52_gob (*^○^*)

*/

#include <M5Unified.h>

#include <esp_camera.h>

#include <WiFi.h>

#include <gob_GC0308.hpp>

// --------------------------------

// Camera GC0308

// Pin settings

#define CAM_PIN_PWDN -1

#define CAM_PIN_RESET -1

#define CAM_PIN_XCLK 2

#define CAM_PIN_SIOD 12

#define CAM_PIN_SIOC 11

#define CAM_PIN_D7 47

#define CAM_PIN_D6 48

#define CAM_PIN_D5 16

#define CAM_PIN_D4 15

#define CAM_PIN_D3 42

#define CAM_PIN_D2 41

#define CAM_PIN_D1 40

#define CAM_PIN_D0 39

#define CAM_PIN_VSYNC 46

#define CAM_PIN_HREF 38

#define CAM_PIN_PCLK 45

extern void startCameraServer(); // app_httpd.cpp

//#define USING_EXISTING_I2C

#if defined(USING_EXISTING_I2C)

static camera_config_t camera_config =

{

.pin_pwdn = CAM_PIN_PWDN;

.pin_reset = CAM_PIN_RESET;

.pin_xclk = CAM_PIN_XCLK;

//.pin_xclk = -1;

//.pin_sccb_sda = CAM_PIN_SIOD;

.pin_sccb_sda = -1;

//.pin_sccb_scl = CAM_PIN_SIOC;

.pin_sccb_scl = -1;

.pin_d7 = CAM_PIN_D7;

.pin_d6 = CAM_PIN_D6;

.pin_d5 = CAM_PIN_D5;

.pin_d4 = CAM_PIN_D4;

.pin_d3 = CAM_PIN_D3;

.pin_d2 = CAM_PIN_D2;

.pin_d1 = CAM_PIN_D1;

.pin_d0 = CAM_PIN_D0;

.pin_vsync = CAM_PIN_VSYNC;

.pin_href = CAM_PIN_HREF;

.pin_pclk = CAM_PIN_PCLK;

.xclk_freq_hz = 20000000;

.ledc_timer = LEDC_TIMER_0;

.ledc_channel = LEDC_CHANNEL_0;

.fb_location = CAMERA_FB_IN_PSRAM,

.pixel_format = PIXFORMAT_RGB565;

//.pixel_format = PIXFORMAT_YUV422;

//.frame_size = FRAMESIZE_VGA; // 640x480

//.frame_size = FRAMESIZE_QVGA; // 320x240

//.frame_size = FRAMESIZE_240X240, // 240x240

//.frame_size = FRAMESIZE_QQVGA; // 160x120

.jpeg_quality = 0,

//.fb_count = 1;

.fb_count = 2; // CPU Loads too much but faster

.grab_mode = CAMERA_GRAB_WHEN_EMPTY;

.sccb_i2c_port = M5.In_I2C.getPort()

};

#else

static camera_config_t camera_config =

{

.pin_pwdn = -1,

.pin_reset = -1,

.pin_xclk = 2,

.pin_sscb_sda = 12,

.pin_sscb_scl = 11,

.pin_d7 = 47,

.pin_d6 = 48,

.pin_d5 = 16,

.pin_d4 = 15,

.pin_d3 = 42,

.pin_d2 = 41,

.pin_d1 = 40,

.pin_d0 = 39,

.pin_vsync = 46,

.pin_href = 38,

.pin_pclk = 45,

.xclk_freq_hz = 20000000,

.ledc_timer = LEDC_TIMER_0,

.ledc_channel = LEDC_CHANNEL_0,

.pixel_format = PIXFORMAT_RGB565,

//.frame_size = FRAMESIZE_QQVGA,

.frame_size = FRAMESIZE_QVGA,

.jpeg_quality = 0,

.fb_count = 2,

.fb_location = CAMERA_FB_IN_PSRAM,

.grab_mode = CAMERA_GRAB_WHEN_EMPTY,

.sccb_i2c_port = -1,

};

#endif

void setup()

{

// M5

M5.begin();

M5.Log.setEnableColor(m5::log_target_serial, false);

M5.Display.clear(TFT_ORANGE);

#if defined(USING_EXISTING_I2C)

camera_config.sccb_i2c_port = M5.In_I2C.getPort();

esp_err_t err = esp_camera_init(&ccfg);

#else

M5.In_I2C.release();

esp_err_t err = esp_camera_init(&camera_config);

#endif

if (err != ESP_OK)

{

M5.Display.clear(TFT_BLUE);

M5_LOGE("Failed to init camera:%d", err);

delay(1000 * 10);

abort();

}

if(!goblib::camera::GC0308::complementDriver())

{

M5_LOGE("Failed to complement GC0308");

}

// WiFi

WiFi.begin(); // // Connects to credential stored in the hardware.

//WiFi.begin("Your SSID", "Your password"); // or use it.

WiFi.setSleep(false);

int retry = 32;

M5.Display.setCursor(0,0);

while(retry-- > 0 && WiFi.status() != WL_CONNECTED)

{

M5.Display.printf(".");

delay(200);

}

if(WiFi.status() != WL_CONNECTED)

{

M5.Display.clear(TFT_RED);

M5.Display.setCursor(0,0);

M5_LOGE("Failed to connect WiFi");

delay(1000);

abort();

}

// Server

startCameraServer();

M5_LOGI("Camera ready use: http;//%s to connect", WiFi.localIP().toString().c_str());

M5.Display.clear(TFT_DARKGREEN);

}

void loop()

{

// M5_LOGI("%u", esp_get_free_heap_size());

delay(10000);

}