void PCF8574::pinMode(uint8_t pin, uint8_t mode) {
/* Switch according mode */
switch (mode) {
case INPUT:
_DDR &= ~(1 << pin);
_PORT &= ~(1 << pin);
break;
case INPUT_PULLUP:
_DDR &= ~(1 << pin);
_PORT |= (1 << pin);
break;
case OUTPUT:
_DDR |= (1 << pin);
_PORT &= ~(1 << pin);
break;
default:
break;
}
/* Update GPIO values */
updateGPIO();
}
void PCF8574::write(uint8_t value) {
/* Store pins values and apply */
_PORT = value;
/* Update GPIO values */
updateGPIO();
}
void PCF8574::toggle(uint8_t pin) {
/* Toggle pin state */
_PORT ^= (1 << pin);
/* Update GPIO values */
updateGPIO();
}
void I2C_4DI4RO::begin(uint8_t address) {
_address = address + 0x20;
Wire.begin();
readGPIO();
_DDR = 0b11110000;
_PORT = 0b11111111;
updateGPIO();
lastCommandOK = false;
}
void KEYS::digitalWrite(uint32_t pin, uint8_t value) {
if(value)
bitSet(_PORT, pin);
else
bitClear(_PORT, pin);
updateGPIO();
}
void PCF8574::digitalWrite(uint8_t pin, uint8_t value) {
/* Set PORT bit value */
if (value)
_PORT |= (1 << pin);
else
_PORT &= ~(1 << pin);
/* Update GPIO values */
updateGPIO();
}
void I2C_4DI4RO::relayWrite(uint8_t pin, uint8_t value) {
pin += 3;
/* Set PORT bit value */
if (value)
_PORT &= ~(1 << pin);
else
_PORT |= (1 << pin);
/* Update GPIO values */
lastCommandOK = false;
updateGPIO();
if(dinRead(pin+3) == value) lastCommandOK = true;
}
void KEYS::pinMode(uint32_t pin, uint8_t mode) {
uint32_t pullUp, dbc;
readGPIO();
switch(mode) {
case INPUT:
bitClear(_PORT, pin);
bitClear(_DDR, pin);
bitClear(_PKG, pin);
bitSet(_PUR, pin);
break;
case INPUT_PULLUP:
bitClear(_PORT, pin);
bitClear(_DDR, pin);
bitClear(_PKG, pin);
bitClear(_PUR, pin);
break;
case OUTPUT:
bitClear(_PORT, pin);
bitSet(_DDR, pin);
bitClear(_PKG, pin);
bitSet(_PUR, pin);
break;
case KEYPAD:
bitClear(_PORT, pin);
bitClear(_DDR, pin);
bitSet(_PKG, pin);
bitClear(_PUR, pin);
break;
case DEBOUNCE:
read3Bytes((uint32_t *)&dbc, REG_DEBOUNCE_DIS1);
bitClear(dbc, pin);
write3Bytes((uint32_t)dbc, REG_DEBOUNCE_DIS1);
break;
case NODEBOUNCE:
read3Bytes((uint32_t *)&dbc, REG_DEBOUNCE_DIS1);
bitSet(dbc, pin);
write3Bytes((uint32_t)dbc, REG_DEBOUNCE_DIS1);
break;
default:
break;
}
updateGPIO();
}
/**************************************************************************//**
* @brief Main function
*****************************************************************************/
int main(void)
{
CHIP_Init();
// initializations
initGPIO();
/* Enable LCD without voltage boost */
SegmentLCD_Init(false);
setupSWOForPrint();
updateLCD(getCapsenseCurrent());
while (1)
{
updateGPIO();
if (getCapsensePrevious() != getCapsenseCurrent())
{
updateLCD(getCapsenseCurrent());
updateSWO();
}
}
}
void KEYS::toggle(uint32_t pin) {
_PORT ^= (bit(pin));
updateGPIO();
}
void KEYS::write(uint32_t value) {
_PORT = value;
updateGPIO();
}
