fixed crlf for project
This commit is contained in:
@@ -1,79 +1,79 @@
|
||||
#include <spi.h>
|
||||
#include <ds1305.h>
|
||||
|
||||
#define DS1305_PIN 4
|
||||
#define LED_PIN 3
|
||||
|
||||
// following two methods required by DS1305 library to select/deselect device
|
||||
void select_ds1305(void)
|
||||
{
|
||||
digitalWrite(DS1305_PIN, HIGH);
|
||||
}
|
||||
|
||||
void deselect_ds1305(void)
|
||||
{
|
||||
digitalWrite(DS1305_PIN, LOW);
|
||||
}
|
||||
|
||||
// flash led that's connected to pin 3
|
||||
void flash_led(void)
|
||||
{
|
||||
pinMode(LED_PIN, OUTPUT);
|
||||
for (int i=0; i<10; i++) {
|
||||
digitalWrite(LED_PIN, i%2==0);
|
||||
delay(50);
|
||||
}
|
||||
}
|
||||
|
||||
// called when pin INT0 goes from 1 to 0
|
||||
ISR(INT0_vect)
|
||||
{
|
||||
// get alarm value to clear alarm interrupt flag on DS1305
|
||||
DS1305_DATETIME alarm;
|
||||
get_alarm0(&alarm);
|
||||
flash_led();
|
||||
}
|
||||
|
||||
void setup()
|
||||
{
|
||||
// flash LED at start to indicate were about to start
|
||||
flash_led();
|
||||
flash_led();
|
||||
|
||||
// pin used to enable DS1305
|
||||
pinMode(DS1305_PIN, OUTPUT);
|
||||
|
||||
// Make sure ADC is unselected and setup spi
|
||||
deselect_ds1305();
|
||||
setup_spi(SPI_MODE_1, SPI_MSB, SPI_NO_INTERRUPT, SPI_MSTR_CLK16);
|
||||
set_control(0);
|
||||
|
||||
// set current date/time to Thursday 06/05/09 20:32:30
|
||||
DS1305_DATETIME current = {0x30, 0x32, 0x20, 0x05, 0x06, 0x05, 0x09};
|
||||
set_time(¤t);
|
||||
|
||||
// change the value of alarm to the required time/granularity:
|
||||
// raise alarm every day (at 20:32:00):
|
||||
// DS1305_DATETIME alarm = {0x00, 0x32, 0x20, 0x00 | DS1305_ALARM_SET};
|
||||
// raise alarm every minute (when seconds = 00):
|
||||
// DS1305_DATETIME alarm = {0x00, 0x32 | DS1305_ALARM_SET,
|
||||
// 0x20 | DS1305_ALARM_SET, 0x05 | DS1305_ALARM_SET};
|
||||
// raise alarm every second:
|
||||
DS1305_DATETIME alarm = {0x55 | DS1305_ALARM_SET, 0x32 | DS1305_ALARM_SET,
|
||||
0x20 | DS1305_ALARM_SET, 0x05 | DS1305_ALARM_SET};
|
||||
set_alarm0(&alarm);
|
||||
// turn on timer and make alarm0 lower INT0 pin when alarm is triggered
|
||||
set_control(DS1305_EOSC | DS1305_INTCN | DS1305_AIE0);
|
||||
|
||||
// raise interrupt when INT0 pin falls (pin PD0 at AT90usbXXX, pin PD2 on ATmegaXXX (arduino pin 2))
|
||||
// the code in ISR(INT0_vect) above will be called
|
||||
EICRA = (1<<ISC01) | (0<<ISC00);
|
||||
// enable interrupts
|
||||
EIMSK = (1<<INT0);
|
||||
sei();
|
||||
}
|
||||
|
||||
void loop()
|
||||
{
|
||||
// do nothing - all action happens in interrupt
|
||||
}
|
||||
#include <spi.h>
|
||||
#include <ds1305.h>
|
||||
|
||||
#define DS1305_PIN 4
|
||||
#define LED_PIN 3
|
||||
|
||||
// following two methods required by DS1305 library to select/deselect device
|
||||
void select_ds1305(void)
|
||||
{
|
||||
digitalWrite(DS1305_PIN, HIGH);
|
||||
}
|
||||
|
||||
void deselect_ds1305(void)
|
||||
{
|
||||
digitalWrite(DS1305_PIN, LOW);
|
||||
}
|
||||
|
||||
// flash led that's connected to pin 3
|
||||
void flash_led(void)
|
||||
{
|
||||
pinMode(LED_PIN, OUTPUT);
|
||||
for (int i=0; i<10; i++) {
|
||||
digitalWrite(LED_PIN, i%2==0);
|
||||
delay(50);
|
||||
}
|
||||
}
|
||||
|
||||
// called when pin INT0 goes from 1 to 0
|
||||
ISR(INT0_vect)
|
||||
{
|
||||
// get alarm value to clear alarm interrupt flag on DS1305
|
||||
DS1305_DATETIME alarm;
|
||||
get_alarm0(&alarm);
|
||||
flash_led();
|
||||
}
|
||||
|
||||
void setup()
|
||||
{
|
||||
// flash LED at start to indicate were about to start
|
||||
flash_led();
|
||||
flash_led();
|
||||
|
||||
// pin used to enable DS1305
|
||||
pinMode(DS1305_PIN, OUTPUT);
|
||||
|
||||
// Make sure ADC is unselected and setup spi
|
||||
deselect_ds1305();
|
||||
setup_spi(SPI_MODE_1, SPI_MSB, SPI_NO_INTERRUPT, SPI_MSTR_CLK16);
|
||||
set_control(0);
|
||||
|
||||
// set current date/time to Thursday 06/05/09 20:32:30
|
||||
DS1305_DATETIME current = {0x30, 0x32, 0x20, 0x05, 0x06, 0x05, 0x09};
|
||||
set_time(¤t);
|
||||
|
||||
// change the value of alarm to the required time/granularity:
|
||||
// raise alarm every day (at 20:32:00):
|
||||
// DS1305_DATETIME alarm = {0x00, 0x32, 0x20, 0x00 | DS1305_ALARM_SET};
|
||||
// raise alarm every minute (when seconds = 00):
|
||||
// DS1305_DATETIME alarm = {0x00, 0x32 | DS1305_ALARM_SET,
|
||||
// 0x20 | DS1305_ALARM_SET, 0x05 | DS1305_ALARM_SET};
|
||||
// raise alarm every second:
|
||||
DS1305_DATETIME alarm = {0x55 | DS1305_ALARM_SET, 0x32 | DS1305_ALARM_SET,
|
||||
0x20 | DS1305_ALARM_SET, 0x05 | DS1305_ALARM_SET};
|
||||
set_alarm0(&alarm);
|
||||
// turn on timer and make alarm0 lower INT0 pin when alarm is triggered
|
||||
set_control(DS1305_EOSC | DS1305_INTCN | DS1305_AIE0);
|
||||
|
||||
// raise interrupt when INT0 pin falls (pin PD0 at AT90usbXXX, pin PD2 on ATmegaXXX (arduino pin 2))
|
||||
// the code in ISR(INT0_vect) above will be called
|
||||
EICRA = (1<<ISC01) | (0<<ISC00);
|
||||
// enable interrupts
|
||||
EIMSK = (1<<INT0);
|
||||
sei();
|
||||
}
|
||||
|
||||
void loop()
|
||||
{
|
||||
// do nothing - all action happens in interrupt
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user