Method clock

lib/SNESpad/SNESpad.cpp:223–245

clock in a data bit

// clock in a data bit
uint32_t SNESpad::clock()
{
    uint32_t ret = 0;

#ifdef ARDUINO
    digitalWrite(clockPin,LOW);
    delayMicroseconds(6);
    
    ret = digitalRead(dataPin);
    digitalWrite(clockPin,HIGH);
    
    delayMicroseconds(6);
#else
    gpio_put(clockPin,0);
    busy_wait_us(6);

    ret = gpio_get(dataPin);
    gpio_put(clockPin,1);

    busy_wait_us(6);
#endif
    return ret;
}

// latch to start read
void SNESpad::latch()