kao yi
bx-cam
Fork of
rtos_basic
by 
mbed official
Revision 8:025a9d74a731, committed 2014-07-08
- Comitter:
- backman
- Date:
- Tue Jul 08 06:21:37 2014 +0000
- Parent:
- 7:f990f03bc2b2
- Commit message:
- wang
Changed in this revision
--- a/main.cpp Fri Jul 04 14:29:56 2014 +0000
+++ b/main.cpp Tue Jul 08 06:21:37 2014 +0000
@@ -25,8 +25,8 @@
*/
-
- OV7670 camera(PTE0,PTE1,PTD6,PTD7,PTE31,PortC,0x1983C,PTB8,PTB9,PTB10);
+ //D7-D0
+ OV7670 camera(PTE0,PTE1,PTD6,PTD7,PTE31,PTC17,PTC16,PTC13,PTC12,PTC6,PTC5,PTC4,PTC3,PTB8,PTB9,PTB10);
@@ -40,187 +40,37 @@
#define QVGA 76800 //320*240
#define QQVGA 19200 //160*120
-static char format = ' ';
-static int resolution = 0;
-
+
+static int resolution =QQVGA ;
+// char in[160][120];
-void rxCallback()
-{
- pc.putc( pc.getc() );
- new_send = true;
-}
-
I2C i2c(PTE0, PTE1);
- /*
-int main() {
-
- while (1) {
-
- i2c.write('l');
-
- wait(0.5);
-
-
-
- }
-}*/
-
int main()
{
pc.baud(115200);
- pc.printf("SystemCoreClock: %dMHz\r\n", SystemCoreClock/1000000); // print the clock frequency
+
led4 = 0;
-
-
- t.start();
- //pc.attach(&rxCallback);
-
- strcpy(word,"init_yuv_QQVGA");
- parse_cmd();
-
-
- wait_ms(50);
-
- strcpy(word,"snap");
- parse_cmd();
-
-
-
-
- /*while(1)
- {
-
- if(new_send)
- {
- int i = 0;
-
-
-
-
- while(pc.readable())
- {
- word[i] = pc.getc();
- i++;
- }
- parse_cmd();
- i=0;
- }
-
- wait_ms(50);
- }*/
-
-}
+
-
-void parse_cmd()
-{
- new_send = false;
-
- if(strcmp("snap", word) == 0)
- {
- CameraSnap();
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_bw_VGA", word) == 0) // Set up for 640*480 pixels RAW
- {
-
- format = 'b';
- resolution = VGA;
- if(camera.Init('b', VGA) != 1)
+
+
+ if(camera.Init('b', QQVGA) != 1) // Set up for 160*120 pixels YUV (Only Y)
{
pc.printf("Init Fail\r\n");
}
pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_yuv_QVGA", word) == 0) // Set up for 320*240 pixels YUV422
- {
- format = 'y';
- resolution = QVGA;
- if(camera.Init('b', QVGA) != 1)
- {
- pc.printf("Init Fail\r\n");
- }
- pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_rgb_QVGA", word) == 0) // Set up for 320*240 pixels RGB565
- {
- format = 'r';
- resolution = QVGA;
- if(camera.Init('r', QVGA) != 1)
- {
- pc.printf("Init Fail\r\n");
- }
- pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_bw_QVGA", word) == 0) // Set up for 320*240 pixels YUV (Only Y)
- {
- format = 'b';
- resolution = QVGA;
-
- if(camera.Init('b', QVGA) != 1)
- {
- pc.printf("Init Fail\r\n");
- }
- pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_yuv_QQVGA", word) == 0) // Set up for 160*120 pixels YUV422 ////////
- {
-
- format = 'y';
- resolution = QQVGA;
-
- //pc.printf("ReadReg = %o\r\n",camera.Init('b', QQVGA));
-
- if(camera.Init('b', QQVGA) != 1)
- {
- pc.printf("Init Fail\r\n");
- }
- pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_rgb_QQVGA", word) == 0) // Set up for 160*120 pixels RGB565
- {
- format = 'r';
- resolution = QQVGA;
- if(camera.Init('r', QQVGA) != 1)
- {
- pc.printf("Init Fail\r\n");
- }
- pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("init_bw_QQVGA", word) == 0) // Set up for 160*120 pixels YUV (Only Y)
- {
- format = 'b';
- resolution = QQVGA;
- if(camera.Init('b', QQVGA) != 1)
- {
- pc.printf("Init Fail\r\n");
- }
- pc.printf("Initializing done\r\n");
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("reset", word) == 0)
- {
- mbed_reset();
- }else
- if(strcmp("time", word) == 0)
- {
- pc.printf("Tot time acq + send (mbed): %dms\r\n", t2-t1);
- memset(word, 0, sizeof(word));
- }else
- if(strcmp("reg_status", word) == 0)
- {
- int i = 0;
+
+
+
+ wait_ms(50);
+
+ //register
+ int i = 0;
pc.printf("AD : +0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F");
for (i=0;i<OV7670_REGMAX;i++)
{
@@ -233,49 +83,107 @@
pc.printf("%02X ",data);
}
pc.printf("\r\n");
- }
-
- memset(word, 0, sizeof(word));
-
+
+
+ wait_ms(50);
+
+ CameraSnap();
+
+
+
+
}
-
-
+
void CameraSnap()
{
led4 = 1;
-
+ // pc.printf("++++++++++++++++++++++++++++++");
// Kick things off by capturing an image
camera.CaptureNext();
while(camera.CaptureDone() == false);
// Start reading in the image data from the camera hardware buffer
camera.ReadStart();
- t1 = t.read_ms();
- pc.printf("re: %d",resolution);
- for(int x = 0; x<resolution; x++)
+
+ char max_in=0x00;
+ char min_in=0xff;
+
+ /*
+ for(int x = 0; x<120; x++)
+ for(int y=0;y <160;y++){
+ camera.ReadOnebyte();
+
+ in[x][y] = camera.ReadOnebyte();
+
+ if ( max_in <in[x][y])
+ max_in = in[x][y];
+
+
+ if(min_in > in[x][y])
+ min_in=in[x][y];
+
+ }
+
+
+ */
+
+
+ for(int x = 0; x<120; x++){
+ for(int y=0;y <160;y++)
{
+
+
+
+ camera.ReadOnebyte();
+ // pc.printf("%1X " ,camera.ReadOnebyte());
+
+ if( camera.ReadOnebyte() > 0xe0 )
+ pc.printf("e");
+ else if( camera.ReadOnebyte() > 0xd0 )
+ pc.printf("d");
+ else if( camera.ReadOnebyte() > 0xc0 )
+ pc.printf("c");
+ else if( camera.ReadOnebyte() > 0xb0 )
+ pc.printf("b");
+ else if( camera.ReadOnebyte() > 0xa0 )
+ pc.printf("a");
+ else if( camera.ReadOnebyte() > 0x90 )
+ pc.printf("9");
+ else if( camera.ReadOnebyte() > 0x80 )
+ pc.printf("8");
+ else if( camera.ReadOnebyte() > 0x70 )
+ pc.printf("7");
+ else if( camera.ReadOnebyte() > 0x60 )
+ pc.printf("6");
+ else if( camera.ReadOnebyte() > 0x50 )
+ pc.printf("5");
+
+ else if( camera.ReadOnebyte() > 0x40 )
+ pc.printf("4");
+ else if( camera.ReadOnebyte() > 0x30 )
+ pc.printf("3");
+ else if( camera.ReadOnebyte() > 0x20 )
+ pc.printf("2");
+ else
+ pc.printf("1");
+
+
+ // if( (max_in-in[x][y]) > (in[x][y]-min_in) )
+ // pc.printf("X");
+ // else
+ // pc.printf(" ");
+
+
+
- // Read in the first half of the image
- if(format == 'b' && resolution != VGA)
- {
- camera.ReadOnebyte();
- }else
- if(format == 'y' || format == 'r')
- {
- // pc.printf("XDDDD");
- pc.putc(camera.ReadOnebyte());
- }
- // Read in the Second half of the image
- pc.putc(camera.ReadOnebyte()); // Y only
}
-
+ pc.printf("\r\n");
+ }
camera.ReadStop();
- t2 = t.read_ms();
-
camera.CaptureNext();
while(camera.CaptureDone() == false);
- pc.printf("Snap_done\r\n");
+ pc.printf("\r\nSnap_done\r\n");
led4 = 0;
}
--- a/ov7670.cpp Fri Jul 04 14:29:56 2014 +0000
+++ b/ov7670.cpp Tue Jul 08 06:21:37 2014 +0000
@@ -5,10 +5,10 @@
//i2c data i2c clk //ver //her //write enable //data //reset //chip en //clock
-OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PortName port, int mask, PinName rt, PinName o, PinName rc) : _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(port,mask),rrst(rt),oe(o),rclk(rc)
+OV7670::OV7670(PinName sda, PinName scl, PinName vs, PinName hr, PinName we, PinName d7, PinName d6,PinName d5,PinName d4, PinName d3, PinName d2, PinName d1, PinName d0, PinName rt, PinName o, PinName rc): _i2c(sda,scl),vsync(vs),href(hr),wen(we),data(d0,d1,d2,d3,d4,d5,d6,d7),rrst(rt),oe(o),rclk(rc)
{
- //pc.baud(115200);
+
_i2c.stop();
_i2c.frequency(OV7670_I2CFREQ);
@@ -22,11 +22,12 @@
oe = 1;
rclk = 1;
wen = 0;
- //pc.printf("=///=");
+
}
+
OV7670::~OV7670()
{
@@ -81,9 +82,11 @@
// Data Read
int OV7670::ReadOnebyte(void)
{
- int B1;
+ char B1;
rclk = 1;
- B1 = (((data&0x07800000)>>19)|((data&0x078000)>>15));
+ // B1 = (((data&0x07800000)>>19)|((data&0x078000)>>15));
+ B1 = data;
+
rclk = 0;
return B1;
}
--- a/ov7670.h Fri Jul 04 14:29:56 2014 +0000
+++ b/ov7670.h Tue Jul 08 06:21:37 2014 +0000
@@ -25,8 +25,14 @@
PinName hr, // HREF
PinName we, // WEN
- PortName port, // 8bit bus port
- int mask, // 0b0000_0M65_4000_0321_L000_0000_0000_0000 = 0x07878000
+ PinName d7, // D7
+ PinName d6, // D6
+ PinName d5, // D5
+ PinName d4, // D4
+ PinName d3, // D3
+ PinName d2, // D2
+ PinName d1, // D1
+ PinName d0, // D0 // 0b0000_0M65_4000_0321_L000_0000_0000_0000 = 0x07878000
PinName rt, // /RRST
PinName o, // /OE
@@ -48,13 +54,13 @@
void ReadStart(void); // Data Start
void ReadStop(void); // Data Stop
-
+ void InitQQVGA(void);
private:
I2C _i2c;
InterruptIn vsync,href;
DigitalOut wen;
- PortIn data;
+ BusIn data ;
DigitalOut rrst,oe,rclk;
volatile int LineCounter;
volatile int LastLines;