Ibrahim Abd Elkader / Mbed 2 deprecated ucam

Dependencies:   mbed

main.cpp@0:796c01948235, 2011-12-09 (annotated)

Committer:
mux
Date:
Fri Dec 09 05:32:12 2011 +0000
Revision:
0:796c01948235
4D uCAM driver

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mux 0:796c01948235 1 #include "mbed.h"
mux 0:796c01948235 2 #include "ucam.h"
mux 0:796c01948235 3 #define BUFFER_LENGTH 4096
mux 0:796c01948235 4
mux 0:796c01948235 5 Serial firefly(p28, p27);
mux 0:796c01948235 6 Serial debug(USBTX, USBRX);
mux 0:796c01948235 7
mux 0:796c01948235 8 DigitalOut firefly_led(LED1);
mux 0:796c01948235 9 UCam ucam(p13, p14, LED2, 1228800); // tx, rx, led, baud
mux 0:796c01948235 10
mux 0:796c01948235 11 uint16_t len;
mux 0:796c01948235 12 uint8_t ubuf[BUFFER_LENGTH];
mux 0:796c01948235 13 uint8_t take_snapshot =0;
mux 0:796c01948235 14
mux 0:796c01948235 15 void firefly_isr()
mux 0:796c01948235 16 {
mux 0:796c01948235 17 while(firefly.readable())
mux 0:796c01948235 18 firefly.getc();
mux 0:796c01948235 19 take_snapshot = 1;
mux 0:796c01948235 20 }
mux 0:796c01948235 21
mux 0:796c01948235 22 int main()
mux 0:796c01948235 23 {
mux 0:796c01948235 24 debug.puts("initiating firefly...\r\n");
mux 0:796c01948235 25 firefly.baud(921600);
mux 0:796c01948235 26 firefly.attach(firefly_isr);
mux 0:796c01948235 27 firefly_led = 1;
mux 0:796c01948235 28
mux 0:796c01948235 29 debug.puts("initiating ucam...\r\n");
mux 0:796c01948235 30
mux 0:796c01948235 31 if (ucam.connect() == 0){
mux 0:796c01948235 32 debug.puts("connection to ucam established\r\n");
mux 0:796c01948235 33 } else {
mux 0:796c01948235 34 debug.puts("connection to ucam failed\r\n");
mux 0:796c01948235 35 return -1;
mux 0:796c01948235 36 }
mux 0:796c01948235 37
mux 0:796c01948235 38
mux 0:796c01948235 39 if (ucam.start_video(COLOR_JPEG, JPEG_160x128, JPEG_160x128) != 0) {
mux 0:796c01948235 40 debug.printf("failed to start video\r\n");
mux 0:796c01948235 41 return -1;
mux 0:796c01948235 42 }
mux 0:796c01948235 43
mux 0:796c01948235 44 Timer t;
mux 0:796c01948235 45 uint16_t i;
mux 0:796c01948235 46
mux 0:796c01948235 47 while (1) {
mux 0:796c01948235 48
mux 0:796c01948235 49 t.reset();
mux 0:796c01948235 50
mux 0:796c01948235 51 if (take_snapshot
mux 0:796c01948235 52 && ucam.next_frame(ubuf, &len) == 0) {
mux 0:796c01948235 53
mux 0:796c01948235 54 firefly.putc(((char*)&len)[0]); //size lsb
mux 0:796c01948235 55 firefly.putc(((char*)&len)[1]); //size msb
mux 0:796c01948235 56
mux 0:796c01948235 57 for(i=0; i < len; i++){
mux 0:796c01948235 58 firefly.putc(ubuf[i]);
mux 0:796c01948235 59 }
mux 0:796c01948235 60
mux 0:796c01948235 61 take_snapshot = 0;
mux 0:796c01948235 62 debug.printf("frame %f \r\n", t.read());
mux 0:796c01948235 63 }
mux 0:796c01948235 64 wait_ms(10);
mux 0:796c01948235 65 }
mux 0:796c01948235 66 }