'C' function: Retrieve Image //---------- Not shown here, but remember to turn off processor cacheing for areas listed below #define RESET_CAPTURE_ADDRESS *(unsigned char volatile *)(FPGA2_BASE_ADDR + DISPLAY_TOP + 0X18) #define PROC_READ_DATA *(unsigned char volatile *)(FPGA2_BASE_ADDR + DISPLAY_TOP + 0X19) #define PROC2_READ_DATA *(unsigned char volatile *)(FPGA2_BASE_ADDR + DISPLAY_TOP + 0X1A) void retrieve_Image(void) { unsigned short int i; unsigned short int j; unsigned char range_data, range2_data; RESET_CAPTURE_ADDRESS = 0xff; for(j = 0, j < 240, j++) { feed_watchdog(); // Must pet the watch dog as this is currently set up as blocking // and the send fifo is pretty small... for(i = 0, i < 320, i++) { range_data = PROC_READ_DATA; range2_data = PROC2_READ_DATA; dprintf("%c",(range_data & 0x7C) << 1); // Red dprintf("%c",((range_data & 0x03) << 6) + ((range2_data & 0xE0) >> 2)); // Green dprintf("%c",((range2_data & 0x1f) << 3)); // Blue } } return; }