Add files via upload

lib/Micro-RTSP/src/OV2640.cpp

@@ -0,0 +1,192 @@
+#include "OV2640.h"
+
+#define TAG "OV2640"
+
+// definitions appropriate for the ESP32-CAM devboard (and most clones)
+camera_config_t esp32cam_config {
+
+    .pin_pwdn = -1,
+    .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 = 10,               //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();
+    return fb->len;
+}
+
+uint8_t *OV2640::getfb(void)
+{
+    runIfNeeded();
+    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)
+    {
+        printf("Camera probe failed with error 0x%x", err);
+        return err;
+    }
+    // ESP_ERROR_CHECK(gpio_install_isr_service(0));
+
+    return ESP_OK;
+}