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This case is developed based on the esp-idf platform. It is used for the interaction between the TimerCAM and the host computer software to realize the functions of real-time picture shooting and timer shooting. It supports two device connection modes: serial port and WiFi.
This library provides some basic arduino cases for TimerCAM, including web surveillance cameras, sleep functions, etc. TimerCAM is a camera module based on ESP32, integrated with ESP32 chip and 8M-PSRAM. The camera (ov3660) with 3 million pixels can view 66.5 ° and shoot 1600 x at most 1200 resolution photo, built-in LED status indicator, featuring ultra-low power consumption design. Through RTC (BM8563), timing sleep and wake-up can be realized. sleep current can be reduced to 2μA.The battery interface is reserved on the board, and users can access the battery power supply by themselves. The module supports WiFi image transmission and USB port debugging. The bottom HY2.0-4P port output can be connected to other peripherals.
- ESP-IDF v3.x Not Support
- ESP-IDF v4.0.1 Test Ok
- ESP-IDF v4.1.x Not Support
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├── components
│ ├── battery -> Battery ouput control and voltage monitoring
│ ├── bm8563 -> RTC time control and irq wakeup setting
│ ├── esp32-camera -> Camera control
│ ├── led -> Led brightness control
│ ├── network -> AP or STA connect
│ └── uart_frame -> Used to connect PC software
├── main
│ ├── protocal.c - > Used to connect PC software
│ ├── cam_cmd.c -> Used to connect PC software
│ ├── app_httpd.c -> web jpeg view
│ ├── factory_test.c -> Base Features test
│ ├── timer_cam_config.c -> Pins of the board And Used to connect PC software
│ └── main.c
camera_fb_t * fb = NULL;
// will get a img frame
fb = esp_camera_fb_get();
// img buf
uint8_t *buf = fb->buf;
// img buf len
unit32_t buf_len = fb->len;
/* --- do some something --- */
// need return img buf
esp_camera_fb_return(fb);sensor_t *s = esp_camera_sensor_get();
s->set_framesize(s, FRAMESIZE_VGA);
s->set_quality(s, 10);
...Detailed view sensor.h
Camera Interface PinMap
| Interface | Camera Pin | TimerCamera |
|---|---|---|
| SCCB Clock | SIOC | IO23 |
| SCCB Data | SIOD | IO25 |
| System Clock | XCLK | IO27 |
| Vertical Sync | VSYNC | IO22 |
| Horizontal Reference | HREF | IO26 |
| Pixel Clock | PCLK | IO21 |
| Pixel Data Bit 0 | D0 | IO32 |
| Pixel Data Bit 1 | D1 | IO35 |
| Pixel Data Bit 2 | D2 | IO34 |
| Pixel Data Bit 3 | D3 | IO5 |
| Pixel Data Bit 4 | D4 | IO39 |
| Pixel Data Bit 5 | D5 | IO18 |
| Pixel Data Bit 6 | D6 | IO36 |
| Pixel Data Bit 7 | D7 | IO19 |
| Camera Reset | RESET | IO15 |
| Camera Power Down | PWDN | -1 |
| Power Supply 3.3V | 3V3 | 3V3 |
| Ground | GND | GND |
GROVE Interface
| Grove | TimerCamera |
|---|---|
| SCL | IO13 |
| SDA | IO4 |
| 5V | 5V |
| GND | GND |
LED Interface
| LED | TimerCamera |
|---|---|
| LED_Pin | IO2 |
BAT Interface
| BAT | TimerCamera |
|---|---|
| BAT_ADC_Pin | IO33 |