esp-who/examples/code_recognition/main/app_peripherals.c

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#include "app_peripherals.h"
#include "esp_log.h"
#include "esp_system.h"
#include "st7789.h"
static const char *TAG = "app_peripherals";
esp_err_t app_camera_init()
{
ESP_LOGI(TAG, "Camera module is %s", CAMERA_MODULE_NAME);
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#if CONFIG_CAMERA_MODULE_ESP_EYE || CONFIG_CAMERA_MODULE_ESP32_CAM_BOARD
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/* 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 = CAMERA_PIN_D0;
config.pin_d1 = CAMERA_PIN_D1;
config.pin_d2 = CAMERA_PIN_D2;
config.pin_d3 = CAMERA_PIN_D3;
config.pin_d4 = CAMERA_PIN_D4;
config.pin_d5 = CAMERA_PIN_D5;
config.pin_d6 = CAMERA_PIN_D6;
config.pin_d7 = CAMERA_PIN_D7;
config.pin_xclk = CAMERA_PIN_XCLK;
config.pin_pclk = CAMERA_PIN_PCLK;
config.pin_vsync = CAMERA_PIN_VSYNC;
config.pin_href = CAMERA_PIN_HREF;
config.pin_sscb_sda = CAMERA_PIN_SIOD;
config.pin_sscb_scl = CAMERA_PIN_SIOC;
config.pin_pwdn = CAMERA_PIN_PWDN;
config.pin_reset = CAMERA_PIN_RESET;
config.xclk_freq_hz = XCLK_FREQ_HZ;
config.pixel_format = CAMERA_PIXFORMAT;
config.frame_size = CAMERA_FRAME_SIZE;
config.jpeg_quality = 12;
config.fb_count = CAMERA_FB_COUNT;
config.fb_location = CAMERA_FB_IN_PSRAM;
config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;
// 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 ESP_FAIL;
}
sensor_t *s = esp_camera_sensor_get();
if (s->id.PID == OV3660_PID || s->id.PID == OV2640_PID)
s->set_vflip(s, 1); //flip it back
else if (s->id.PID == GC0308_PID){
s->set_hmirror(s, 0);
}
else if (s->id.PID == GC032A_PID){
s->set_vflip(s, 1);
// s->set_hmirror(s, 0); //something wrong
}
if (s->id.PID == OV3660_PID)
{
s->set_brightness(s, 2);
s->set_contrast(s, 3);
}
return ESP_OK;
}
#ifdef LCD_CONTROLLER
esp_err_t app_lcd_init(scr_driver_t *g_lcd){
static scr_info_t g_lcd_info;
spi_config_t bus_conf = {
.miso_io_num = LCD_MISO,
.mosi_io_num = LCD_MOSI,
.sclk_io_num = LCD_SCLK,
.max_transfer_sz = 2 * LCD_WIDTH * LCD_HEIGHT + 10,
};
spi_bus_handle_t spi_bus = spi_bus_create(SPI2_HOST, &bus_conf);
scr_interface_spi_config_t spi_lcd_cfg = {
.spi_bus = spi_bus,
.pin_num_cs = LCD_CS,
.pin_num_dc = LCD_DC,
.clk_freq = 40 * 1000000,
.swap_data = 0,
};
scr_interface_driver_t *iface_drv;
scr_interface_create(SCREEN_IFACE_SPI, &spi_lcd_cfg, &iface_drv);
esp_err_t ret = scr_find_driver(LCD_CONTROLLER, g_lcd);
if (ESP_OK != ret)
{
ESP_LOGE(TAG, "screen find failed");
return ESP_FAIL;
}
scr_controller_config_t lcd_cfg = {
.interface_drv = iface_drv,
.pin_num_rst = LCD_RST,
.pin_num_bckl = LCD_BCKL,
.rst_active_level = 0,
.bckl_active_level = 0,
.offset_hor = 0,
.offset_ver = 0,
.width = LCD_WIDTH,
.height = LCD_HEIGHT,
.rotate = LCD_ROTATE,
};
ret = g_lcd->init(&lcd_cfg);
if (ESP_OK != ret)
{
ESP_LOGE(TAG, "screen initialize failed");
return ESP_FAIL;
}
#if CONFIG_CAMERA_MODULE_ESP_S2_KALUGA
lcd_st7789_set_invert(false);
#endif
g_lcd->get_info(&g_lcd_info);
ESP_LOGI(TAG, "Screen name:%s | width:%d | height:%d", g_lcd_info.name, g_lcd_info.width, g_lcd_info.height);
return ESP_OK;
}
#endif