2020-11-13 09:42:04 +00:00
|
|
|
#include "OV2640.h"
|
|
|
|
|
|
|
|
#define TAG "OV2640"
|
|
|
|
|
|
|
|
// definitions appropriate for the ESP32-CAM devboard (and most clones)
|
|
|
|
camera_config_t esp32cam_config{
|
|
|
|
|
|
|
|
.pin_pwdn = -1, // FIXME: on the TTGO T-Journal I think this is GPIO 0
|
|
|
|
.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_UXGA, // needs 234K of framebuffer space
|
|
|
|
// .frame_size = FRAMESIZE_SXGA, // needs 160K for framebuffer
|
|
|
|
// .frame_size = FRAMESIZE_XGA, // needs 96K or even smaller FRAMESIZE_SVGA - can work if using only 1 fb
|
|
|
|
.frame_size = FRAMESIZE_SVGA,
|
|
|
|
.jpeg_quality = 12, //0-63 lower numbers are higher quality
|
|
|
|
.fb_count = 2 // if more than one i2s runs in continous mode. Use only with jpeg
|
|
|
|
};
|
|
|
|
|
|
|
|
camera_config_t esp32cam_aithinker_config{
|
|
|
|
|
|
|
|
.pin_pwdn = 32,
|
|
|
|
.pin_reset = -1,
|
|
|
|
|
|
|
|
.pin_xclk = 0,
|
|
|
|
|
|
|
|
.pin_sscb_sda = 26,
|
|
|
|
.pin_sscb_scl = 27,
|
|
|
|
|
|
|
|
// Note: LED GPIO is apparently 4 not sure where that goes
|
|
|
|
// per https://github.com/donny681/ESP32_CAMERA_QR/blob/e4ef44549876457cd841f33a0892c82a71f35358/main/led.c
|
|
|
|
.pin_d7 = 35,
|
|
|
|
.pin_d6 = 34,
|
|
|
|
.pin_d5 = 39,
|
|
|
|
.pin_d4 = 36,
|
|
|
|
.pin_d3 = 21,
|
|
|
|
.pin_d2 = 19,
|
|
|
|
.pin_d1 = 18,
|
|
|
|
.pin_d0 = 5,
|
|
|
|
.pin_vsync = 25,
|
|
|
|
.pin_href = 23,
|
|
|
|
.pin_pclk = 22,
|
|
|
|
.xclk_freq_hz = 20000000,
|
|
|
|
.ledc_timer = LEDC_TIMER_1,
|
|
|
|
.ledc_channel = LEDC_CHANNEL_1,
|
|
|
|
.pixel_format = PIXFORMAT_JPEG,
|
|
|
|
// .frame_size = FRAMESIZE_UXGA, // needs 234K of framebuffer space
|
|
|
|
// .frame_size = FRAMESIZE_SXGA, // needs 160K for framebuffer
|
|
|
|
// .frame_size = FRAMESIZE_XGA, // needs 96K or even smaller FRAMESIZE_SVGA - can work if using only 1 fb
|
|
|
|
.frame_size = FRAMESIZE_SVGA,
|
|
|
|
.jpeg_quality = 12, //0-63 lower numbers are higher quality
|
|
|
|
.fb_count = 2 // if more than one i2s runs in continous mode. Use only with jpeg
|
|
|
|
};
|
|
|
|
|
|
|
|
camera_config_t esp32cam_ttgo_t_config{
|
|
|
|
|
|
|
|
.pin_pwdn = 26,
|
|
|
|
.pin_reset = -1,
|
|
|
|
|
|
|
|
.pin_xclk = 32,
|
|
|
|
|
|
|
|
.pin_sscb_sda = 13,
|
|
|
|
.pin_sscb_scl = 12,
|
|
|
|
|
|
|
|
.pin_d7 = 39,
|
|
|
|
.pin_d6 = 36,
|
|
|
|
.pin_d5 = 23,
|
|
|
|
.pin_d4 = 18,
|
|
|
|
.pin_d3 = 15,
|
|
|
|
.pin_d2 = 4,
|
|
|
|
.pin_d1 = 14,
|
|
|
|
.pin_d0 = 5,
|
|
|
|
.pin_vsync = 27,
|
|
|
|
.pin_href = 25,
|
|
|
|
.pin_pclk = 19,
|
|
|
|
.xclk_freq_hz = 20000000,
|
|
|
|
.ledc_timer = LEDC_TIMER_0,
|
|
|
|
.ledc_channel = LEDC_CHANNEL_0,
|
|
|
|
.pixel_format = PIXFORMAT_JPEG,
|
|
|
|
.frame_size = FRAMESIZE_SVGA,
|
|
|
|
.jpeg_quality = 12, //0-63 lower numbers are higher quality
|
|
|
|
.fb_count = 2 // if more than one i2s runs in continous mode. Use only with jpeg
|
|
|
|
};
|
|
|
|
|
|
|
|
void OV2640::run(void)
|
|
|
|
{
|
|
|
|
if (fb)
|
|
|
|
//return the frame buffer back to the driver for reuse
|
|
|
|
esp_camera_fb_return(fb);
|
|
|
|
|
|
|
|
fb = esp_camera_fb_get();
|
|
|
|
}
|
|
|
|
|
|
|
|
void OV2640::runIfNeeded(void)
|
|
|
|
{
|
|
|
|
if (!fb)
|
|
|
|
run();
|
|
|
|
}
|
|
|
|
|
|
|
|
int OV2640::getWidth(void)
|
|
|
|
{
|
|
|
|
runIfNeeded();
|
|
|
|
return fb->width;
|
|
|
|
}
|
|
|
|
|
|
|
|
int OV2640::getHeight(void)
|
|
|
|
{
|
|
|
|
runIfNeeded();
|
|
|
|
return fb->height;
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t OV2640::getSize(void)
|
|
|
|
{
|
|
|
|
runIfNeeded();
|
|
|
|
if (!fb)
|
|
|
|
return 0; // FIXME - this shouldn't be possible but apparently the new cam board returns null sometimes?
|
|
|
|
return fb->len;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint8_t *OV2640::getfb(void)
|
|
|
|
{
|
|
|
|
runIfNeeded();
|
|
|
|
if (!fb)
|
|
|
|
return NULL; // FIXME - this shouldn't be possible but apparently the new cam board returns null sometimes?
|
|
|
|
|
|
|
|
return fb->buf;
|
|
|
|
}
|
|
|
|
|
|
|
|
framesize_t OV2640::getFrameSize(void)
|
|
|
|
{
|
|
|
|
return _cam_config.frame_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
void OV2640::setFrameSize(framesize_t size)
|
|
|
|
{
|
|
|
|
_cam_config.frame_size = size;
|
|
|
|
}
|
|
|
|
|
|
|
|
pixformat_t OV2640::getPixelFormat(void)
|
|
|
|
{
|
|
|
|
return _cam_config.pixel_format;
|
|
|
|
}
|
|
|
|
|
|
|
|
void OV2640::setPixelFormat(pixformat_t format)
|
|
|
|
{
|
|
|
|
switch (format)
|
|
|
|
{
|
|
|
|
case PIXFORMAT_RGB565:
|
|
|
|
case PIXFORMAT_YUV422:
|
|
|
|
case PIXFORMAT_GRAYSCALE:
|
|
|
|
case PIXFORMAT_JPEG:
|
|
|
|
_cam_config.pixel_format = format;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
_cam_config.pixel_format = PIXFORMAT_GRAYSCALE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
esp_err_t OV2640::init(camera_config_t config)
|
|
|
|
{
|
|
|
|
memset(&_cam_config, 0, sizeof(_cam_config));
|
|
|
|
memcpy(&_cam_config, &config, sizeof(config));
|
|
|
|
|
|
|
|
esp_err_t err = esp_camera_init(&_cam_config);
|
|
|
|
if (err != ESP_OK)
|
|
|
|
{
|
2023-08-20 16:49:21 +01:00
|
|
|
// printf("Camera probe failed with error 0x%x", err);
|
2020-11-13 09:42:04 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
// ESP_ERROR_CHECK(gpio_install_isr_service(0));
|
|
|
|
|
|
|
|
return ESP_OK;
|
|
|
|
}
|