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CQ出版 Interface記事用サンプル。 トラ技カメラ+FIFOからデータを得て、 エリア判定後、デバイスに保存
Dependencies: SDFileSystem mbed
Diff: main.cpp
- Revision:
- 0:1648bb4e70e5
- Child:
- 1:c822ea77c7b2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Sep 26 06:59:31 2013 +0000 @@ -0,0 +1,184 @@ +/* +Toragi-CCD-Cam OV7670andFIFO sample use driver + +Sadaei Osakabe ( http://mbed.org/users/diasea/ ) + http://mbed.org/users/diasea/code/OV7670_with_AL422B_Color_Size_test/ + +*/ +#include "mbed.h" +#include <algorithm> +#include "ov7670.h" + +#define QQVGA +#ifdef QQVGA +# define SIZEX (160) +# define SIZEY (120) +#else +# define SIZEX (320) +# define SIZEY (240) +#endif + +OV7670 camera( + p28,p27, // SDA,SCL(I2C / SCCB) + p25,p26,p29, // VSYNC,HREF,WEN(FIFO) + p24,p23,p22,p21,p20,p19,p18,p17, // D7-D0 + p5,p6,p7) ; // RRST,OE,RCLK + + + +LocalFileSystem local("local"); + +Serial pc(USBTX,USBRX) ; + +int sizex = 0; +int sizey = 0; + +int create_header(FILE *fp, int width, int height) ; + +int main() { + char color_format = 0; + char c; + int mx, pixel , i; + int pixc; + char packet[40] = { 0 }; + + pc.baud(115200); +RESJMP: + //pc.printf("Camera resetting..\r\n"); + camera.Reset(); + + //pc.printf("Before Init...\r\n"); + //camera.PrintRegister(); + switch( color_format ){ + case '1': + camera.InitRGB444(); + break; + case '2': + camera.InitRGB555(); + break; + default: + camera.InitRGB565(); + break; + } + + //sizex = 160; + //sizey = 120; + camera.InitQQVGA(); + + camera.InitForFIFOWriteReset(); + camera.InitDefaultReg(true, true); // flipv/flipH + + //pc.printf("After Init...\r\n"); + //camera.PrintRegister(); + + + // CAPTURE and SEND LOOP + while(1) + { + pc.printf("Hit Any Key to send RGBx160x120 Capture Data.\r\n") ; + while(!pc.readable()) ; + c = pc.getc() ; + if (( c == '1' )|| ( c == '2' )||( c == '3' )){ + color_format = c; + goto RESJMP; + } + camera.CaptureNext(); // sample start! + while(camera.CaptureDone() == false); + camera.ReadStart(); + pixc = 0; + for (int y = 0;y < SIZEY;y++) { + int r,g,b,d1,d2 ; + mx = 0; + for (int x = 0;x < SIZEX;x++) { + d1 = camera.ReadOneByte() ; // upper nibble is XXX , lower nibble is B + d2 = camera.ReadOneByte() ; // upper nibble is G , lower nibble is R + pixel = ((unsigned int)d2 << 8) + ((unsigned int)d1 & 0xff); + + // send <CRLF> and Count on each 16dot. + if ( !(x%16) ){ + pc.printf("\r\n%04x: ",pixc ) ; + pixc +=16; + } + pc.printf("%04x ",pixel) ; + } + + } + camera.ReadStop(); + //pc.printf("\r\n") ; + } +} + + + +/* + +#if defined(BITMAPFILE) || defined(BAYERBITMAPFILE) +#define BITMAPFILE +#undef BAYERBITMAPFILE +#undef HEXFILE +#undef COLORBAR + +#define FILEHEADERSIZE 14 //ファイルヘッダのサイズ +#define INFOHEADERSIZE 40 //情報ヘッダのサイズ +#define HEADERSIZE (FILEHEADERSIZE+INFOHEADERSIZE) + +int create_header(FILE *fp, int width, int height) { + int real_width; + unsigned char header_buf[HEADERSIZE]; //ヘッダを格納する + unsigned int file_size; + unsigned int offset_to_data; + unsigned long info_header_size; + unsigned int planes; + unsigned int color; + unsigned long compress; + unsigned long data_size; + long xppm; + long yppm; + + real_width = width*3 + width%4; + + //ここからヘッダ作成 + file_size = height * real_width + HEADERSIZE; + offset_to_data = HEADERSIZE; + info_header_size = INFOHEADERSIZE; + planes = 1; + color = 24; + compress = 0; + data_size = height * real_width; + xppm = 1; + yppm = 1; + + header_buf[0] = 'B'; + header_buf[1] = 'M'; + memcpy(header_buf + 2, &file_size, sizeof(file_size)); + header_buf[6] = 0; + header_buf[7] = 0; + header_buf[8] = 0; + header_buf[9] = 0; + memcpy(header_buf + 10, &offset_to_data, sizeof(offset_to_data)); + memcpy(header_buf + 14, &info_header_size, sizeof(info_header_size)); + memcpy(header_buf + 18, &width, sizeof(width)); + height = height * -1; // データ格納順が逆なので、高さをマイナスとしている + memcpy(header_buf + 22, &height, sizeof(height)); + memcpy(header_buf + 26, &planes, sizeof(planes)); + memcpy(header_buf + 28, &color, sizeof(color)); + memcpy(header_buf + 30, &compress, sizeof(compress)); + memcpy(header_buf + 34, &data_size, sizeof(data_size)); + memcpy(header_buf + 38, &xppm, sizeof(xppm)); + memcpy(header_buf + 42, &yppm, sizeof(yppm)); + header_buf[46] = 0; + header_buf[47] = 0; + header_buf[48] = 0; + header_buf[49] = 0; + header_buf[50] = 0; + header_buf[51] = 0; + header_buf[52] = 0; + header_buf[53] = 0; + + //ヘッダの書き込み + fwrite(header_buf, sizeof(unsigned char), HEADERSIZE, fp); + + return 0; +} +#endif +*/