Keisuke Fujii
/
OV7670_register_set_copy
read.h
- Committer:
- Keisuke_Fujii
- Date:
- 2012-02-12
- Revision:
- 0:6c241f54042f
File content as of revision 0:6c241f54042f:
void tran_frame( void ); void camera( void ); void i2c( char, int, int, char ); void write( char ); void read( int ); void start( void ); void stop( void ); const char WRITE = 0x42; const char READ = 0x43; const char TWO-WIRE = 0; const char THREE-WIRE = 1; unsigned char data[201]; unsigned short int byte = 0x00; void reset( void ) { OV7670.stop(); OV7670.frequency( 300000 ); wait_ms( 10 ); i2c( WRITE, 0x12, THREE-WIRE, 0x80 ); //reset } void tran_frame( void ) { OV7670.stop(); OV7670.frequency( 200000 ); wait_ms( 10 ); i2c( WRITE, 0x12, THREE-WIRE, 0x80 ); //reset wait_ms( 10 ); /*i2c( WRITE, 0x12, 1, 0x08 ); wait_ms( 10 ); //i2c( WRITE, 0x18, 1, 0x27 ); //HSTOP wait_ms( 10 ); //i2c( WRITE, 0x1A, 1, 0x27 ); //VSTOP*/ //i2c( WRITE, 0x11, 1, 0x83 ); //48[MHz] -> 12[MHz] //i2c( WRITE, 0x11, 1, 0x80 ); //24[MHz] -> 24[MHz] } void camera( void ) { OV7670.stop(); wait_ms( 10 ); for( int a = 0; a < 202; a ++ ) { i2c( WRITE, a, TWO-WIRE, 0 ); i2c( READ, a, TWO-WIRE, 0 ); } for( int b = 1; b <= 202; b ++ ) { device.printf("|%s : %2x ", address_name[b], data[b - 1]); if( ( b % 6 ) == 0 ) device.printf("|\n"); if( b == 202 ) device.printf("|\n"); } } void i2c( char mode, int a, int flag, char data ) { OV7670.start(); while( !( OV7670.write( mode ) ) ); wait_ms( 10 ); if( mode == 0x42 ) { write( a ); if( flag == 1 ) write( data ); } else if( mode == 0x43 ) read( a ); OV7670.stop(); wait_ms( 10 ); } void write( char reg_add ) { while( !( OV7670.write( reg_add ) ) ); } void read( int a ) { data[a] = OV7670.read( 0 ); }