avr/avr_demo
avr/avr_demo
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mirror of synced 2024-12-18 02:41:18 +01:00
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Apparently my TIL311 has different pin layout. Clean up bitwise operations.

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This commit is contained in:
Mika Tuupola 2011-03-14 23:10:19 +02:00
parent 9c2adc3270
commit a3033f2727
1 changed files with 19 additions and 13 deletions
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32
til311/main.c
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@ -1,16 +1,18 @@
/*
* Loops through 0-F and displays it on TIL311. Pure C version.
*
* TIL311 pin 3 -> Arduino Digital 2 (PORTD2)
* TIL311 pin 2 -> Arduino Digital 3 (PORTD3)
* TIL311 pin 13 -> Arduino Digital 4 (PORTD4)
* TIL311 pin 12 -> Arduino Digital 5 (PORTD5)
* TIL311 pin 12 -> Arduino Digital 2 (PORTD2)
* TIL311 pin 13 -> Arduino Digital 3 (PORTD3)
* TIL311 pin 2 -> Arduino Digital 4 (PORTD4)
* TIL311 pin 3 -> Arduino Digital 5 (PORTD5)
*
* TIL311 pin 8 -> Arduino Digital 5 (PORTD6)
*
* Led at Arduino Digital 13 (PORTB5)
*
* To compile and upload run: make clean; make; make flash;
*
* Copyright 2009 Mika Tuupola
* Copyright 2009-2011 Mika Tuupola
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
@ -24,16 +26,19 @@
int main(void) {
/* Make PORTB5 (Arduino 13) and PORTD0-PORTD3 (Arduino 2-5) as an output. */
/* Make PORTB5 (Arduino 13) and PORTD0-PORTD3 (Arduino 2-6) as an output. */
DDRB |= _BV(PORTB5);
DDRD |= _BV(PORTD2) | _BV(PORTD3) | _BV(PORTD4) | _BV(PORTD5);
DDRD |= _BV(PORTD2) | _BV(PORTD3) | _BV(PORTD4) | _BV(PORTD5) | _BV(PORTD7);
for(;;) {
PORTD |= _BV(PORTD7);
/* Reset displayed value. */
int value = 0;
while (value < 16) {
/* Toggle led at PORTB5 */
PORTB ^= _BV(PORTB5);
@ -44,35 +49,36 @@ int main(void) {
/* TIL311 pin 3, latch data input A (1). */
if (0 == BIT_AT(value, 0)) {
PORTD &= ~(_BV(PORTD2));
PORTD &= ~_BV(PORTD2);
} else {
PORTD |= _BV(PORTD2);
}
/* TIL311 pin 2, latch data input B (2). */
if (0 == BIT_AT(value, 1)) {
PORTD &= ~(_BV(PORTD3));
PORTD &= ~_BV(PORTD3);
} else {
PORTD |= _BV(PORTD3);
}
/* TIL311 pin 13, latch data input C (4). */
if (0 == BIT_AT(value, 2)) {
PORTD &= ~(_BV(PORTD4));
PORTD &= ~_BV(PORTD4);
} else {
PORTD |= _BV(PORTD4);
}
/* TIL311 pin 12, latch data input D (8). */
if (0 == BIT_AT(value, 3)) {
PORTD &= ~(_BV(PORTD5));
PORTD &= ~_BV(PORTD5);
} else {
PORTD |= _BV(PORTD5);
}
value++;
_delay_ms(500);
}
}
/* This is never reached. */