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Update copyrights for 2014.

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This commit is contained in:
Dean Camera 2014-01-04 10:45:02 +11:00
parent 510d29d472
commit e368a89987
990 changed files with 2242 additions and 2242 deletions
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24
Projects/SerialToLCD/Lib/HD44780.c
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@ -1,13 +1,13 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2013.
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Copyright 2012 Simon Foster (simon.foster [at] inbox [dot] com)
Permission to use, copy, modify, distribute, and sell this
@ -33,21 +33,21 @@
static void HD44780_WriteNibble(const uint8_t nib)
{
/* Read PORTD and clear the ENABLE and PD0..3 bits
/* Read PORTD and clear the ENABLE and PD0..3 bits
then OR in the data */
PORTD = (PORTD & ~(ENABLE | LO4_MASK)) | (nib & LO4_MASK);
/* Enforce address setup time (tAS) 60ns
60 @ 16MHz = <1
/* Enforce address setup time (tAS) 60ns
60 @ 16MHz = <1
Let's us a few NOPs for good measure */
asm volatile("nop\n\t"
"nop\n\t"
:: );
/* Take enable high and enforce Enable High time (tEH=450ns)
450ns @ 16MHz = 7.2 => 7 NOPs */
PORTD |= ENABLE;
asm volatile("nop\n\t"
@ -63,7 +63,7 @@ static void HD44780_WriteNibble(const uint8_t nib)
/* Take enable low and enforce Enable Low time (tEL=500ns)
500ns @ 16MHz = 8.0 => 7 NOPs */
PORTD &= ~ENABLE;
asm volatile("nop\n\t"
"nop\n\t"
"nop\n\t"
@ -90,11 +90,11 @@ static void HD44780_PowerUp4Bit(void)
/* Wait for more than 4.1 ms */
_delay_ms(5);
HD44780_WriteNibble(0x03); // FN_SET 8-bit
/* Wait for more than 100 µs */
_delay_us(100);
HD44780_WriteNibble(0x03); // FN_SET 8-bit
/* From now on we must allow 40us for each command */
_delay_us(50);
HD44780_WriteNibble(0x02); // FN_SET 4-bit