79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
#include "esp_camera.h"
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#include "soc/soc.h"
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#include "soc/rtc_cntl_reg.h"
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// AI-THINKER Pins
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#define PWDN_GPIO_NUM 32
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#define RESET_GPIO_NUM -1
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#define XCLK_GPIO_NUM 0
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#define SIOD_GPIO_NUM 26
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#define SIOC_GPIO_NUM 27
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#define Y9_GPIO_NUM 35
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#define Y8_GPIO_NUM 34
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#define Y7_GPIO_NUM 39
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#define Y6_GPIO_NUM 36
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#define Y5_GPIO_NUM 21
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#define Y4_GPIO_NUM 19
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#define Y3_GPIO_NUM 18
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#define Y2_GPIO_NUM 5
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#define VSYNC_GPIO_NUM 25
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#define HREF_GPIO_NUM 23
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#define PCLK_GPIO_NUM 22
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void setup() {
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WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);
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Serial.begin(115200);
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camera_config_t config;
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config.ledc_channel = LEDC_CHANNEL_0;
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config.ledc_timer = LEDC_TIMER_0;
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config.pin_d0 = Y2_GPIO_NUM;
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config.pin_d1 = Y3_GPIO_NUM;
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config.pin_d2 = Y4_GPIO_NUM;
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config.pin_d3 = Y5_GPIO_NUM;
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config.pin_d4 = Y6_GPIO_NUM;
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config.pin_d5 = Y7_GPIO_NUM;
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config.pin_d6 = Y8_GPIO_NUM;
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config.pin_d7 = Y9_GPIO_NUM;
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config.pin_xclk = XCLK_GPIO_NUM;
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config.pin_pclk = PCLK_GPIO_NUM;
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config.pin_vsync = VSYNC_GPIO_NUM;
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config.pin_href = HREF_GPIO_NUM;
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config.pin_sscb_sda = SIOD_GPIO_NUM;
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config.pin_sscb_scl = SIOC_GPIO_NUM;
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config.pin_pwdn = PWDN_GPIO_NUM;
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config.pin_reset = RESET_GPIO_NUM;
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config.xclk_freq_hz = 20000000;
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config.pixel_format = PIXFORMAT_JPEG;
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config.frame_size = FRAMESIZE_VGA;
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config.jpeg_quality = 10; // Lower number = Higher Quality
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config.fb_count = 1;
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if (esp_camera_init(&config) != ESP_OK) {
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return;
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}
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}
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void loop() {
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if (Serial.available()) {
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char cmd = Serial.read();
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if (cmd == 'S') { // Snap Command
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// 1. FLUSH SENSOR (The "Double Tap")
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// We grab a frame and immediately discard it to ensure the sensor
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// is awake and exposure is calculated for the CURRENT moment.
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camera_fb_t * fb = esp_camera_fb_get();
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if(fb) esp_camera_fb_return(fb);
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// 2. REAL CAPTURE
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fb = esp_camera_fb_get();
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if (!fb) return;
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// 3. SEND DATA
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uint32_t len = fb->len;
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Serial.write((uint8_t*)&len, 4); // Send Length
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Serial.write(fb->buf, fb->len); // Send Image
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esp_camera_fb_return(fb);
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}
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}
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} |