/* Set gpio blink register */
static int pch_gpio_blink_config(int gpio, int value, unsigned int gpio_base_addr)
{
unsigned long int gpio_use_sel_addr, gp_io_sel_addr, gp_lvl_addr;
int new_gpio;
if (gpio > 31) /* only support GPIO0 to GPIO31 */
return -1;
/* Set gpio_out direction to output and pull low or high. */
new_gpio = gpio_setup_addr(&gpio_use_sel_addr, &gp_io_sel_addr, \
&gp_lvl_addr, gpio, gpio_base_addr);
gpio_enable(gpio_use_sel_addr, new_gpio);
gpio_blink(gpio_base_addr, new_gpio, value);
DBG("gpio_sel_addr = %x, gp_lvl_addr =%x\n", gp_io_sel_addr, gp_lvl_addr);
printf("%s GPIO[%d] blink.\n", value ? "Enalbe" : "Disable", gpio);
return 0;
}
int main(int argc, char **argv){
gpio_init();
CvMat *matA = cvLoadImageM(argv[1],0);
if(!matA) return(-1);
else printf("%s is %dx%d\n",argv[1],matA->cols,matA->rows);
int i, j;
imageblink:
for (j=0; j<matA->rows; j++){
if ((j==0) & (i==0)){
gpio_blink(0xc);
gpio_blink(0xc); // just to be safe
}
else{
gpio_blink(0xd);
gpio_blink(0xd); // just to be safe
}
for (i=0; i<matA->cols; i++){
temp= matA->data.ptr[j*matA->cols+i];
if ((temp==0xc) || (temp==0xd)) gpio_blink(0xe);
else gpio_blink(temp);
}
}
goto imageblink;
}
