void setup(void)
{
setup_timer2();
DDRD = _BV(PD6) | _BV(PD7);
DDRB = _BV(PB1) | _BV(PB2) | _BV(PB3);
}
int main(void)
{
analogvalue_t delay;
setup();
setup_timer0();
// setup_int0();
// display_off(&display);
setup_timer2();
analog_init(&delay);
potentiometer_read(&delay);
display_set(&display, delay.v);
display_on(&display, 1);
/* if ((PIND & _BV(PIN_SW1)) == 0) */
/* pin = PIN_LED_RED; */
for (;;) {
if ((PIND & _BV(PIN_BUTTON2)) == 0) {
PORTB &= _BV(PIN_LED);
} else {
PORTB |= _BV(PIN_LED);
}
/*
if ((PIND & _BV(PIN_SW1)) == 0) {
long tmax = 1000L * delay.v;
while (micros() - t0 < tmax)
;
PORTD |= _BV(pin);
} else {
PORTD &= ~_BV(pin);
enable_int0();
}
if ((PIND & _BV(PIN_SW2)) == 0) {
settle_on_low(&PIND, PIN_SW2);
loop_until_bit_is_set(PIND, PIN_SW2);
display_toggle(&display);
}
*/
potentiometer_read(&delay);
if (delay.v != display.value) {
display_set(&display, delay.v);
}
}
return 0;
}
void Hardware_Initialize(
void)
{
/* PORTA.0 Input - Photocell PORTA.1 Output - LED Row6 PORTA.2 Output
* - LED Row5 PORTA.3 Output - LED Row4 PORTA.4 Input - Square Wave
* input from RTC PORTA.5 Output - LCD RW */
TRISA = 0xD1;
/* PORTB.0 Input - Zero Cross PORTB.1 Input - USB RXF# PORTB.2 Input
* USB TXE# PORTB.3 Output - Keypad Row Enable (74HC373 Output Control)
* PORTB.4 Output Keypad Row Gate (74HC373 Gate) PORTB.5 Output Switch
* Input Latch & Keypad Column Gate (74HC373 Gate) PORTB.6 Input - ICD
* connection PORTB.7 Input - ICD connection */
TRISB = 0xC7;
/* PORTC.0 Output - Pilot Latch PORTC.1 Output - Pilot Output Enable
* (low) PORTC.2 I/O - Piezo PORTC.3 Input - I2C clock PORTC.4 Input
* I2C data PORTC.5 Output RS232 enable (low) PORTC.6 Output - RS232 Tx
* PORTC.7 Input - RS232 Rx */
TRISC = 0x9C;
/* PORTD.0 I/O - Data bus PORTD.1 I/O - Data bus PORTD.2 I/O - Data
* bus PORTD.3 I/O - Data bus PORTD.4 I/O - Data bus PORTD.5 I/O - Data
* bus PORTD.6 I/O - Data bus PORTD.7 I/O - Data bus */
TRISD = 0xFF;
/* PORTE.0 Input - USB RD PORTE.1 Input - USB WR PORTE.2 Output - LCD
* RS PORTE.3 Output - 485 transmit enable PORTE.4 Output - Relay data
* latch PORTE.5 Output Switch Input Clock PORTE.6 Output - Switch
* Input High/Low PORTE.7 Input Switch Input Data */
TRISE = 0x83;
/* PORTF.0 Output - LED Row2 PORTF.1 Output - LED Row1 PORTF.2 Output
* - LED Col5 PORTF.3 Output - LED Col4 PORTF.4 Output - LED Col3
* PORTF.5 Output - LED Col2 PORTF.6 Output - LED Col1 PORTF.7 Output
* LED Col0 */
TRISF = 0x00;
/* PORTG.0 Output - 485 receive enable PORTG.1 Output - 485 Tx PORTG.2
* Input 485 Rx PORTG.3 Output - LCD E PORTG.4 Output - LED Row0 */
TRISG = 0xE6;
/* The initial state of the keypad enables and latches */
KEYPAD_ROW_ENABLE = 1;
KEYPAD_ROW_LATCH = 0;
KEYPAD_COL_LATCH = 1;
RELAY_LATCH = 0;
/* Setup to read the switch inputs */
SWITCH_COM = 1;
/* Enable the RS232 transmitter */
RS232_ENABLE = 0;
/* Turn all leds off. These are the hardware pins */
LED_ROW1 = 1;
LED_ROW2 = 1;
LED_ROW3 = 1;
LED_ROW4 = 1;
LED_ROW5 = 1;
LED_ROW6 = 1;
LEDPORT = 0x03;
/* The initial values for the signals to the LCD */
LCD_E = 1;
LCD_RW = 1;
LCD_RS = 1;
/* The following gives us a PWM frequency of 1.990KHz with a 50% duty
* cycle It also serves to multiplex the LEDs. */
PIEZO_OFF();
CCPR1L = 0x4E;
CCP1CON = 0x2F;
setup_timer2(6, 156, 2);
PIE1bits.TMR2IE = 1;
/* We will use Timer4 as our system tick timer. Our system tick is set
* to 1ms. Hold off on enabling the int. */
setup_timer4(5, 250, 5);
/* Setup our interrupt priorities */
RCONbits.IPEN = 1;
IPR1 = 0;
IPR2 = 0;
IPR3 = 0;
/* Setup TMR0 to be high priority */
INTCON2 = 0xFC;
INTCON3 = 0;
/* USART 1 high priority */
IPR1bits.RC1IP = 1;
IPR1bits.TX1IP = 1;
/* Finally enable our ints */
Global_Int(INT_ENABLED);
}
