Subversion Repositories ESP8266_P1_Meter

#pragma once

#include <Arduino.h>

#include "esp_camera.h"

#include <esp_err.h>

// Select camera model

//#define CAMERA_MODEL_WROVER_KIT

//#define CAMERA_MODEL_ESP_EYE

//#define CAMERA_MODEL_M5STACK_PSRAM

//#define CAMERA_MODEL_M5STACK_V2_PSRAM

//#define CAMERA_MODEL_M5STACK_WIDE

//#define CAMERA_MODEL_M5STACK_ESP32CAM

#define CAMERA_MODEL_AI_THINKER

//#define CAMERA_MODEL_TTGO_T_JOURNAL

#if defined(CAMERA_MODEL_WROVER_KIT)

  //

  // ESP WROVER

  // https://dl.espressif.com/dl/schematics/ESP-WROVER-KIT_SCH-2.pdf

  //

  #define PWDN_GPIO_NUM    -1

  #define RESET_GPIO_NUM   -1

  #define XCLK_GPIO_NUM    21

  #define SIOD_GPIO_NUM    26

  #define SIOC_GPIO_NUM    27

  #define Y9_GPIO_NUM      35

  #define Y8_GPIO_NUM      34

  #define Y7_GPIO_NUM      39

  #define Y6_GPIO_NUM      36

  #define Y5_GPIO_NUM      19

  #define Y4_GPIO_NUM      18

  #define Y3_GPIO_NUM       5

  #define Y2_GPIO_NUM       4

  #define VSYNC_GPIO_NUM   25

  #define HREF_GPIO_NUM    23

  #define PCLK_GPIO_NUM    22

  #define LED_PIN           2 // A status led on the RGB; could also use pin 0 or 4

  #define LED_ON         HIGH //

  #define LED_OFF         LOW //

  // #define LAMP_PIN          x // No LED FloodLamp.

#elif defined(CAMERA_MODEL_ESP_EYE)

  //

  // ESP-EYE

  // https://twitter.com/esp32net/status/1085488403460882437

  #define PWDN_GPIO_NUM    -1

  #define RESET_GPIO_NUM   -1

  #define XCLK_GPIO_NUM     4

  #define SIOD_GPIO_NUM    18

  #define SIOC_GPIO_NUM    23

  #define Y9_GPIO_NUM      36

  #define Y8_GPIO_NUM      37

  #define Y7_GPIO_NUM      38

  #define Y6_GPIO_NUM      39

  #define Y5_GPIO_NUM      35

  #define Y4_GPIO_NUM      14

  #define Y3_GPIO_NUM      13

  #define Y2_GPIO_NUM      34

  #define VSYNC_GPIO_NUM    5

  #define HREF_GPIO_NUM    27

  #define PCLK_GPIO_NUM    25

  #define LED_PIN          21 // Status led

  #define LED_ON         HIGH //

  #define LED_OFF         LOW //

  // #define LAMP_PIN          x // No LED FloodLamp.

#elif defined(CAMERA_MODEL_M5STACK_PSRAM)

  //

  // ESP32 M5STACK

  //

  #define PWDN_GPIO_NUM     -1

  #define RESET_GPIO_NUM    15

  #define XCLK_GPIO_NUM     27

  #define SIOD_GPIO_NUM     25

  #define SIOC_GPIO_NUM     23

  #define Y9_GPIO_NUM       19

  #define Y8_GPIO_NUM       36

  #define Y7_GPIO_NUM       18

  #define Y6_GPIO_NUM       39

  #define Y5_GPIO_NUM        5

  #define Y4_GPIO_NUM       34

  #define Y3_GPIO_NUM       35

  #define Y2_GPIO_NUM       32

  #define VSYNC_GPIO_NUM    22

  #define HREF_GPIO_NUM     26

  #define PCLK_GPIO_NUM     21

  // M5 Stack status/illumination LED details unknown/unclear

  // #define LED_PIN            x // Status led

  // #define LED_ON          HIGH //

  // #define LED_OFF          LOW //

  // #define LAMP_PIN          x  // LED FloodLamp.

#elif defined(CAMERA_MODEL_M5STACK_V2_PSRAM)

  //

  // ESP32 M5STACK V2

  //

  #define PWDN_GPIO_NUM     -1

  #define RESET_GPIO_NUM    15

  #define XCLK_GPIO_NUM     27

  #define SIOD_GPIO_NUM     22

  #define SIOC_GPIO_NUM     23

  #define Y9_GPIO_NUM       19

  #define Y8_GPIO_NUM       36

  #define Y7_GPIO_NUM       18

  #define Y6_GPIO_NUM       39

  #define Y5_GPIO_NUM        5

  #define Y4_GPIO_NUM       34

  #define Y3_GPIO_NUM       35

  #define Y2_GPIO_NUM       32

  #define VSYNC_GPIO_NUM    25

  #define HREF_GPIO_NUM     26

  #define PCLK_GPIO_NUM     21

  // M5 Stack status/illumination LED details unknown/unclear

  // #define LED_PIN            x // Status led

  // #define LED_ON          HIGH //

  // #define LED_OFF          LOW //

  // #define LAMP_PIN          x  // LED FloodLamp.

#elif defined(CAMERA_MODEL_M5STACK_WIDE)

  //

  // ESP32 M5STACK WIDE

  //

  #define PWDN_GPIO_NUM     -1

  #define RESET_GPIO_NUM    15

  #define XCLK_GPIO_NUM     27

  #define SIOD_GPIO_NUM     22

  #define SIOC_GPIO_NUM     23

  #define Y9_GPIO_NUM       19

  #define Y8_GPIO_NUM       36

  #define Y7_GPIO_NUM       18

  #define Y6_GPIO_NUM       39

  #define Y5_GPIO_NUM        5

  #define Y4_GPIO_NUM       34

  #define Y3_GPIO_NUM       35

  #define Y2_GPIO_NUM       32

  #define VSYNC_GPIO_NUM    25

  #define HREF_GPIO_NUM     26

  #define PCLK_GPIO_NUM     21

  // M5 Stack status/illumination LED details unknown/unclear

  // #define LED_PIN            x // Status led

  // #define LED_ON          HIGH //

  // #define LED_OFF          LOW //

  // #define LAMP_PIN          x  // LED FloodLamp.

#elif defined(CAMERA_MODEL_M5STACK_ESP32CAM)

  //

  // Common M5 Stack without PSRAM

  //

  #define PWDN_GPIO_NUM     -1

  #define RESET_GPIO_NUM    15

  #define XCLK_GPIO_NUM     27

  #define SIOD_GPIO_NUM     25

  #define SIOC_GPIO_NUM     23

  #define Y9_GPIO_NUM       19

  #define Y8_GPIO_NUM       36

  #define Y7_GPIO_NUM       18

  #define Y6_GPIO_NUM       39

  #define Y5_GPIO_NUM        5

  #define Y4_GPIO_NUM       34

  #define Y3_GPIO_NUM       35

  #define Y2_GPIO_NUM       17

  #define VSYNC_GPIO_NUM    22

  #define HREF_GPIO_NUM     26

  #define PCLK_GPIO_NUM     21

  // Note NO PSRAM,; so maximum working resolution is XGA 1024×768

  // M5 Stack status/illumination LED details unknown/unclear

  // #define LED_PIN            x // Status led

  // #define LED_ON          HIGH //

  // #define LED_OFF          LOW //

  // #define LAMP_PIN          x  // LED FloodLamp.

#elif defined(CAMERA_MODEL_AI_THINKER)

  //

  // AI Thinker

  // https://github.com/SeeedDocument/forum_doc/raw/master/reg/ESP32_CAM_V1.6.pdf

  //

  #define PWDN_GPIO_NUM     32

  #define RESET_GPIO_NUM    -1

  #define XCLK_GPIO_NUM      0

  #define SIOD_GPIO_NUM     26

  #define SIOC_GPIO_NUM     27

  #define Y9_GPIO_NUM       35

  #define Y8_GPIO_NUM       34

  #define Y7_GPIO_NUM       39

  #define Y6_GPIO_NUM       36

  #define Y5_GPIO_NUM       21

  #define Y4_GPIO_NUM       19

  #define Y3_GPIO_NUM       18

  #define Y2_GPIO_NUM        5

  #define VSYNC_GPIO_NUM    25

  #define HREF_GPIO_NUM     23

  #define PCLK_GPIO_NUM     22

  #define LED_PIN           33 // Status led

  #define LED_ON           LOW // - Pin is inverted.

  #define LED_OFF         HIGH //

  #define LAMP_PIN           4 // LED FloodLamp.

#elif defined(CAMERA_MODEL_TTGO_T_JOURNAL)

  //

  // LilyGO TTGO T-Journal ESP32; with OLED! but not used here.. :-(

  #define PWDN_GPIO_NUM      0

  #define RESET_GPIO_NUM    15

  #define XCLK_GPIO_NUM     27

  #define SIOD_GPIO_NUM     25

  #define SIOC_GPIO_NUM     23

  #define Y9_GPIO_NUM       19

  #define Y8_GPIO_NUM       36

  #define Y7_GPIO_NUM       18

  #define Y6_GPIO_NUM       39

  #define Y5_GPIO_NUM        5

  #define Y4_GPIO_NUM       34

  #define Y3_GPIO_NUM       35

  #define Y2_GPIO_NUM       17

  #define VSYNC_GPIO_NUM    22

  #define HREF_GPIO_NUM     26

  #define PCLK_GPIO_NUM     21

  // TTGO T Journal status/illumination LED details unknown/unclear

  // #define LED_PIN           33 // Status led

  // #define LED_ON           LOW // - Pin is inverted.

  // #define LED_OFF         HIGH //

  // #define LAMP_PIN           4 // LED FloodLamp.

#else

  // Well.

  // that went badly...

  #error "Camera model not selected, did you forget to uncomment it in myconfig?"

#endif

camera_config_t camera_config = {

  .pin_pwdn = PWDN_GPIO_NUM,

  .pin_reset = RESET_GPIO_NUM,

  .pin_xclk = XCLK_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,

  .pin_d4 = Y6_GPIO_NUM,

  .pin_d3 = Y5_GPIO_NUM,

  .pin_d2 = Y4_GPIO_NUM,

  .pin_d1 = Y3_GPIO_NUM,

  .pin_d0 = Y2_GPIO_NUM,

  .pin_vsync = VSYNC_GPIO_NUM,

  .pin_href = HREF_GPIO_NUM,

  .pin_pclk = PCLK_GPIO_NUM,

  .xclk_freq_hz = 20000000,        //XCLK 20MHz or 10MHz

  .ledc_timer = LEDC_TIMER_0,

  .ledc_channel = LEDC_CHANNEL_0,

  .pixel_format = PIXFORMAT_JPEG,  //YUV422,GRAYSCALE,RGB565,JPEG

  .frame_size = FRAMESIZE_SXGA,    //QQVGA-UXGA Do not use sizes above QVGA when not JPEG

  .jpeg_quality = 8,              //0-63 lower number means higher quality

  .fb_count = 2,                    //if more than one, i2s runs in continuous mode. Use only with JPEG

  .fb_location = CAMERA_FB_IN_PSRAM,

  .grab_mode = CAMERA_GRAB_LATEST

};

int lampChannel = 7;           // a free PWM channel (some channels used by camera)

const int pwmfreq = 50000;     // 50K pwm frequency

const int pwmresolution = 9;   // duty cycle bit range

const int pwmMax = pow(2,pwmresolution)-1;

inline esp_err_t init_camera() {

  //initialize the camera

  Serial.print("Camera init... ");

  esp_err_t err = esp_camera_init(&camera_config);

  if (err != ESP_OK) {

    delay(100);  // need a delay here or the next serial o/p gets missed

    Serial.printf("\n\nCRITICAL FAILURE: Camera sensor failed to initialise.\n\n");

    Serial.printf("A full (hard, power off/on) reboot will probably be needed to recover from this.\n");

    return err;

  } else {

    Serial.println("succeeded");

    // Get a reference to the sensor

    sensor_t* s = esp_camera_sensor_get();

    // Dump camera module, warn for unsupported modules.

    switch (s->id.PID) {

      case OV9650_PID: Serial.println("WARNING: OV9650 camera module is not properly supported, will fallback to OV2640 operation"); break;

      case OV7725_PID: Serial.println("WARNING: OV7725 camera module is not properly supported, will fallback to OV2640 operation"); break;

      case OV2640_PID: Serial.println("OV2640 camera module detected"); break;

      case OV3660_PID: Serial.println("OV3660 camera module detected"); break;

      default: Serial.println("WARNING: Camera module is unknown and not properly supported, will fallback to OV2640 operation");

    }

    s->set_sharpness(s, 1);

    s->set_vflip(s, 1);

    //s->set_hmirror(s, 1);

  }

  return ESP_OK;

}