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add camera ov2640 support
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15 files changed

+2090
-3
lines changed

15 files changed

+2090
-3
lines changed

‎cores/arduino/main.cpp‎

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gpio_init();
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sysctl_set_power_mode(SYSCTL_POWER_BANK6,SYSCTL_POWER_V18);
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sysctl_set_power_mode(SYSCTL_POWER_BANK7,SYSCTL_POWER_V18);
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sysctl_enable_irq();
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setup();
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do {

‎libraries/Camera/keywords.txt‎

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#######################################
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# Syntax Coloring Map
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#######################################
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#######################################
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# Datatypes (KEYWORD1)
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#######################################
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framesize_t KEYWORD1
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pixformat_t KEYWORD1
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#######################################
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# Methods and Functions (KEYWORD2)
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#######################################
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begin KEYWORD2
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end KEYWORD2
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run KEYWORD2
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id KEYWORD2
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snapshot KEYWORD2
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getRGB565 KEYWORD2
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getRGB888 KEYWORD2
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setRotaion KEYWORD2
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setInver KEYWORD2
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width KEYWORD2
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height KEYWORD2
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#######################################
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# Constants (LITERAL1)
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#######################################
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PIXFORMAT_RGB565 LITERAL1
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FRAMESIZE_QQVGA LITERAL1
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FRAMESIZE_QVGA LITERAL1
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FRAMESIZE_VGA LITERAL1
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‎libraries/Camera/library.properties‎

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name=Camera
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version=1.0
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author=Neucrack
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maintainer=Neucrack<[email protected]>
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sentence=Camera interface
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paragraph=Camera interface
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category=Sensors
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url=
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architectures=k210

‎libraries/Camera/src/Camera.cpp‎

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#include "Camera.h"
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static const int resolution[][2] = {
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{0, 0 },
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// C/SIF Resolutions
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{88, 72 }, /* QQCIF */
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{176, 144 }, /* QCIF */
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{352, 288 }, /* CIF */
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{88, 60 }, /* QQSIF */
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{176, 120 }, /* QSIF */
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{352, 240 }, /* SIF */
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// VGA Resolutions
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{40, 30 }, /* QQQQVGA */
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{80, 60 }, /* QQQVGA */
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{160, 120 }, /* QQVGA */
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{320, 240 }, /* QVGA */
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{640, 480 }, /* VGA */
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{60, 40 }, /* HQQQVGA */
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{120, 80 }, /* HQQVGA */
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{240, 160 }, /* HQVGA */
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// FFT Resolutions
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{64, 32 }, /* 64x32 */
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{64, 64 }, /* 64x64 */
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{128, 64 }, /* 128x64 */
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{128, 128 }, /* 128x64 */
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// Other
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{128, 160 }, /* LCD */
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{128, 160 }, /* QQVGA2 */
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{720, 480 }, /* WVGA */
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{752, 480 }, /* WVGA2 */
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{800, 600 }, /* SVGA */
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{1280, 1024}, /* SXGA */
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{1600, 1200}, /* UXGA */
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};
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Camera::Camera(framesize_t frameSize = FRAMESIZE_QVGA, pixformat_t pixFormat = PIXFORMAT_RGB565)
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{
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_frameSize = frameSize;
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_pixFormat = pixFormat;
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_width = resolution[frameSize][0];
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_height = resolution[frameSize][1];
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}
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Camera::~Camera()
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{
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}
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‎libraries/Camera/src/Camera.h‎

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#ifndef __CAMERA_H
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#define __CAMERA_H
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#include <stdint.h>
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#include <stdbool.h>
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typedef enum {
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PIXFORMAT_INVLAID = 0,
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PIXFORMAT_BAYER, // RAW
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PIXFORMAT_RGB565, // RGB565
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PIXFORMAT_YUV422, // YUV422
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PIXFORMAT_GRAYSCALE, // GRAYSCALE
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PIXFORMAT_JPEG, // JPEG/COMPRESSED
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} pixformat_t;
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typedef enum {
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FRAMESIZE_INVALID = 0,
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// C/SIF Resolutions
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FRAMESIZE_QQCIF, // 88x72
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FRAMESIZE_QCIF, // 176x144
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FRAMESIZE_CIF, // 352x288
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FRAMESIZE_QQSIF, // 88x60
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FRAMESIZE_QSIF, // 176x120
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FRAMESIZE_SIF, // 352x240
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// VGA Resolutions
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FRAMESIZE_QQQQVGA, // 40x30
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FRAMESIZE_QQQVGA, // 80x60
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FRAMESIZE_QQVGA, // 160x120
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FRAMESIZE_QVGA, // 320x240
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FRAMESIZE_VGA, // 640x480
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FRAMESIZE_HQQQVGA, // 60x40
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FRAMESIZE_HQQVGA, // 120x80
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FRAMESIZE_HQVGA, // 240x160
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// FFT Resolutions
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FRAMESIZE_64X32, // 64x32
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FRAMESIZE_64X64, // 64x64
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FRAMESIZE_128X64, // 128x64
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FRAMESIZE_128X128, // 128x128
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// Other
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FRAMESIZE_LCD, // 128x160
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FRAMESIZE_QQVGA2, // 128x160
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FRAMESIZE_WVGA, // 720x480
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FRAMESIZE_WVGA2, // 752x480
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FRAMESIZE_SVGA, // 800x600
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FRAMESIZE_SXGA, // 1280x1024
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FRAMESIZE_UXGA, // 1600x1200
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} framesize_t;
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class Camera{
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public:
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Camera(framesize_t frameSize, pixformat_t pixFormat);
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~Camera();
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virtual bool begin( ) = 0;
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virtual void end() = 0;
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// virtual bool reset() = 0;
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// virtual bool setPixFormat(int pixFormat) = 0;
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// virtual bool setFrameSize(int frameSize) = 0;
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virtual bool run(bool run) = 0;
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virtual int id() = 0;
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/**
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* @return pixels
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* If pixels format is RGB565: return RGB565 pixels with every uint16_t one pixel, e.g. RED: 0xF800
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*/
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virtual uint8_t* snapshot() = 0;
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virtual uint8_t* getRGB565(){ return 0; };
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virtual uint8_t* getRGB888(){ return 0; };
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virtual void setRotaion(uint8_t rotation) = 0;
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virtual void setInvert(bool invert) = 0;
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virtual int width(){ return _width; }
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virtual int height(){ return _height; }
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protected:
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pixformat_t _pixFormat;
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framesize_t _frameSize;
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int _width;
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int _height;
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};
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#endif
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‎libraries/Sipeed_OV2640/examples/selfie/selfie.ino‎

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#include <Sipeed_OV2640.h>
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#include <Sipeed_ST7789.h>
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#include <stdio.h>
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SPIClass spi_(SPI0); // MUST be SPI0 for Maix series on board LCD
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Sipeed_ST7789 lcd(320, 240, spi_);
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Sipeed_OV2640 camera(FRAMESIZE_QVGA, PIXFORMAT_RGB565);
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void setup()
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{
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lcd.begin(15000000, COLOR_RED);
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if(!camera.begin())
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printf("camera init fail\n");
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else
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printf("camera init success\n");
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camera.run(true);
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}
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void loop()
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{
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uint8_t*img = camera.snapshot();
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if(img == nullptr || img==0)
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printf("snap fail\n");
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else
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lcd.drawImage(0, 0, camera.width(), camera.height(), (uint16_t*)img);
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}
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‎libraries/Sipeed_OV2640/keywords.txt‎

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#######################################
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# Syntax Coloring Map
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#######################################
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#######################################
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# Datatypes (KEYWORD1)
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#######################################
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#######################################
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# Methods and Functions (KEYWORD2)
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#######################################
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begin KEYWORD2
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end KEYWORD2
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reset KEYWORD2
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setPixFormat KEYWORD2
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setFrameSize KEYWORD2
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run KEYWORD2
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id KEYWORD2
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snapshot KEYWORD2
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setRotaion KEYWORD2
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setInvert KEYWORD2
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#######################################
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# Constants (LITERAL1)
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#######################################
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‎libraries/Sipeed_OV2640/library.properties‎

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name=Sipeed_OV2640
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version=1.0
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author=Neucrack
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maintainer=Neucrack<[email protected]>
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sentence=Camera Sipeed_OV2640 driver
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paragraph=Camera Sipeed_OV2640 driver
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category=Sensors
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url=
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architectures=k210

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