// Change pin assignments post-constructor, using arbitrary pins:
void LPD8806::updatePins(uint8_t dpin, uint8_t cpin) {
datapin = dpin;
clkpin = cpin;
clkport = dataport = 0;
clkpinmask = datapinmask = 0;
#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined (__AVR_ATmega328__) || defined(__AVR_ATmega8__) || (__AVR_ATmega1281__) || defined(__AVR_ATmega2561__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
clkport = portOutputRegister(digitalPinToPort(cpin));
clkpinmask = digitalPinToBitMask(cpin);
dataport = portOutputRegister(digitalPinToPort(dpin));
datapinmask = digitalPinToBitMask(dpin);
#endif
if(begun == true) { // If begin() was previously invoked...
// If previously using hardware SPI, turn that off:
if(hardwareSPI == true) SPI.end();
startBitbang(); // Regardless, now enable 'soft' SPI outputs
} // Otherwise, pins are not set to outputs until begin() is called.
// Note: any prior clock/data pin directions are left as-is and are
// NOT restored as inputs!
hardwareSPI = false;
}
// Change pin assignments post-constructor, using arbitrary pins:
void LPD8806::updatePins(uint8_t dpin, uint8_t cpin) {
if(begun == true) { // If begin() was previously invoked...
// If previously using hardware SPI, turn that off:
if(hardwareSPI) {
#ifdef __AVR_ATtiny85__
DDRB &= ~(_BV(PORTB1) | _BV(PORTB2));
#else
SPI.end();
#endif
} else {
pinMode(datapin, INPUT); // Restore prior data and clock pins to inputs
pinMode(clkpin , INPUT);
}
}
datapin = dpin;
clkpin = cpin;
#ifdef __AVR__
clkport = portOutputRegister(digitalPinToPort(cpin));
clkpinmask = digitalPinToBitMask(cpin);
dataport = portOutputRegister(digitalPinToPort(dpin));
datapinmask = digitalPinToBitMask(dpin);
#endif
// If previously begun, enable 'soft' SPI outputs now
if(begun == true) startBitbang();
hardwareSPI = false;
}
// Activate hard/soft SPI as appropriate:
void LPD8806::begin(void) {
if(hardwareSPI == true) startSPI();
else startBitbang();
begun = true;
}
// Activate hard/soft SPI as appropriate:
void Simple_LPD8806::begin(void) {
//if(hardwareSPI == true) startSPI();
//else
startBitbang();
begun = true;
}