Make it static, or global. Actually it is erased when the function is exited, and recreated each time the function is called.
void BlinkLED13()
{
// blinks LED 13
static int pinstate;
Make it static, or global. Actually it is erased when the function is exited, and recreated each time the function is called.
void BlinkLED13()
{
// blinks LED 13
static int pinstate;