/* ESPRESSIF MIT License
 * 
 * Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
 * 
 * Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
 * it is free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "app_camera.h"

static const char *TAG = "app_camera";

void app_camera_init()
{
#if CONFIG_CAMERA_MODEL_ESP_EYE
    /* IO13, IO14 is designed for JTAG by default,
     * to use it as generalized input,
     * firstly declair it as pullup input */
    gpio_config_t conf;
    conf.mode = GPIO_MODE_INPUT;
    conf.pull_up_en = GPIO_PULLUP_ENABLE;
    conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
    conf.intr_type = GPIO_INTR_DISABLE;
    conf.pin_bit_mask = 1LL << 13;
    gpio_config(&conf);
    conf.pin_bit_mask = 1LL << 14;
    gpio_config(&conf);
#endif
    camera_config_t config;
    config.ledc_channel = LEDC_CHANNEL_0;
    config.ledc_timer = LEDC_TIMER_0;
    config.pin_d0 = Y2_GPIO_NUM;
    config.pin_d1 = Y3_GPIO_NUM;
    config.pin_d2 = Y4_GPIO_NUM;
    config.pin_d3 = Y5_GPIO_NUM;
    config.pin_d4 = Y6_GPIO_NUM;
    config.pin_d5 = Y7_GPIO_NUM;
    config.pin_d6 = Y8_GPIO_NUM;
    config.pin_d7 = Y9_GPIO_NUM;
    config.pin_xclk = XCLK_GPIO_NUM;
    config.pin_pclk = PCLK_GPIO_NUM;
    config.pin_vsync = VSYNC_GPIO_NUM;
    config.pin_href = HREF_GPIO_NUM;
    config.pin_sscb_sda = SIOD_GPIO_NUM;
    config.pin_sscb_scl = SIOC_GPIO_NUM;
    config.pin_pwdn = PWDN_GPIO_NUM;
    config.pin_reset = -1;//RESET_GPIO_NUM;
    config.xclk_freq_hz = XCLK_FREQ;
    config.pixel_format = CAMERA_PIXEL_FORMAT;
    config.frame_size = CAMERA_FRAME_SIZE;
    config.jpeg_quality = 10;
    config.fb_count = 1;

    // camera init
    esp_err_t err = esp_camera_init(&config);
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Camera init failed with error 0x%x", err);
        return;
    }

    sensor_t * s = esp_camera_sensor_get();
    s->set_vflip(s, 1);//flip it back
    //initial sensors are flipped vertically and colors are a bit saturated
    if (s->id.PID == OV3660_PID) {
        s->set_brightness(s, 1);//up the blightness just a bit
        s->set_saturation(s, -2);//lower the saturation
    }
}