Exemple #1
0
int main(void)
{
    uint8_t addr1, addr2; /* i2c addresses */
    uint16_t x, y;
    char buf[128]; /* temporary string buffer for various stuff */

    /* uart stuff */
    char rcvbuf[32], c;
    uint8_t rcvbufpos = 0;

    init_board();
    ov7670_init();

    printf("Camtest says hi!\n");
    printf("System clock: [%d]\n", SystemCoreClock);

    UART0_PrintString("Camtest says hi!\r\n");
    while (1) {
        c = UART0_Getchar();
        if (c == EOF) {
            continue;
        } else if ((c >= 32) && (c <= 126)) {
            rcvbuf[rcvbufpos++] = c;
        } else if (c == 13) {
            rcvbuf[rcvbufpos++] = 0;
            rcvbufpos = 0;
            if (strcmp(rcvbuf, "getimage") == 0) {
                ov7670_readframe();
                UART0_PrintString("OK\r\n");
            } else if (strlen(rcvbuf) >= 9 &&
                    strncmp(rcvbuf, "getline ", 8) == 0) {
                y = atoi(rcvbuf + 8);
                for (x = 0; x < 160; x ++) {
                    UART0_Sendchar(qqvgaframe1[x + (y * 160)]);
                    UART0_Sendchar(qqvgaframe2[x + (y * 160)]);
                }
            } else if (strlen(rcvbuf) == 9 &&
                    strncmp(rcvbuf, "regr 0x", 7) == 0) {
                addr1 = strtoul(rcvbuf + 7, NULL, 16);
                sprintf(buf, "0x%.2x 0x%.2x\r\n", addr1, ov7670_get(addr1));
                printf("%s", buf);
                UART0_PrintString(buf);
            } else if (strlen(rcvbuf) == 14 &&
                    strncmp(rcvbuf, "regw 0x", 7) == 0) {
                strncpy(buf, rcvbuf + 7, 2);
                buf[2] = 0;
                addr1 = strtoul((char *) buf, NULL, 16);
                addr2 = strtoul(rcvbuf + 12, NULL, 16);
                ov7670_set(addr1, addr2);
                sprintf(buf, "0x%.2x 0x%.2x\r\n", addr1, addr2);
                UART0_PrintString(buf);
            } else {
                UART0_PrintString("ERR\r\n");
                printf("Unknown command: [%s]\n", rcvbuf);
            }
        }
    }

    return 0;
}
Exemple #2
0
int main() 
{
	UART0_Init(57600);
	UART0_PrintString("Hello, world!\n");

	initLed();
	while (1) {
		toggleLed();
		UART0_Sendchar('+');
		wasteSomeTime(500);
	}

	return 0;
}