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Michael Hayes
2011-08-27 01:46:08 +00:00
commit 513810e138
233 changed files with 22993 additions and 0 deletions
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apps/tdmdemo2/Makefile
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# File: Makefile
# Author: M. P. Hayes, UCECE
# Date: 12 Sep 2010
# Descr: Makefile for tdmdemo2
# Definitions.
CC = avr-gcc
CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I. -I../../utils -I../../fonts -I../../drivers -I../../drivers/avr
OBJCOPY = avr-objcopy
SIZE = avr-size
DEL = rm
# Default target.
all: tdmdemo2.out
# Compile: create object files from C source files.
tdmdemo2.o: tdmdemo2.c ../../drivers/avr/system.h ../../drivers/ledmat.h ../../drivers/navswitch.h ../../utils/pacer.h
$(CC) -c $(CFLAGS) $< -o $@
pio.o: ../../drivers/avr/pio.c ../../drivers/avr/pio.h ../../drivers/avr/system.h
$(CC) -c $(CFLAGS) $< -o $@
system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
$(CC) -c $(CFLAGS) $< -o $@
timer.o: ../../drivers/avr/timer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
$(CC) -c $(CFLAGS) $< -o $@
ledmat.o: ../../drivers/ledmat.c ../../drivers/avr/pio.h ../../drivers/avr/system.h ../../drivers/ledmat.h
$(CC) -c $(CFLAGS) $< -o $@
navswitch.o: ../../drivers/navswitch.c ../../drivers/avr/delay.h ../../drivers/avr/pio.h ../../drivers/avr/system.h ../../drivers/navswitch.h
$(CC) -c $(CFLAGS) $< -o $@
pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h ../../utils/pacer.h
$(CC) -c $(CFLAGS) $< -o $@
# Link: create ELF output file from object files.
tdmdemo2.out: ledmat.o navswitch.o pacer.o pio.o system.o tdmdemo2.o timer.o
$(CC) $(CFLAGS) $^ -o $@ -lm
$(SIZE) $@
# Target: clean project.
.PHONY: clean
clean:
-$(DEL) *.o *.out *.hex
# Target: program project.
.PHONY: program
program: tdmdemo2.out
$(OBJCOPY) -O ihex tdmdemo2.out tdmdemo2.hex
dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash tdmdemo2.hex; dfu-programmer atmega32u2 start
apps/tdmdemo2/Makefile.test
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# File: Makefile
# Author: M. P. Hayes, UCECE
# Date: 11 Sep 2010
# Descr: Makefile for tdmdemo2
CC = gcc
CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I. -I../../utils -I../../drivers -I../../drivers/test
DEL = rm
# Default target.
all: tdmdemo2
# Compile: create object files from C source files.
timer-test.o: ../../drivers/test/timer.c ../../drivers/test/timer.h ../../drivers/test/system.h
$(CC) -c $(CFLAGS) $< -o $@
pio-test.o: ../../drivers/test/pio.c
$(CC) -c $(CFLAGS) $< -o $@
pacer-test.o: ../../utils/pacer.c ../../drivers/test/timer.h ../../utils/pacer.h ../../drivers/test/system.h
$(CC) -c $(CFLAGS) $< -o $@
ledmat-test.o: ../../drivers/ledmat.c ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/ledmat.h ../../drivers/test/system.h
$(CC) -c $(CFLAGS) $< -o $@
system-test.o: ../../drivers/test/system.c ../../drivers/test/pio.h ../../drivers/test/avrtest.h ../../drivers/test/mgetkey.h ../../drivers/test/system.h
$(CC) -c $(CFLAGS) $< -o $@
tdmdemo2-test.o: tdmdemo2.c ../../utils/pacer.h ../../drivers/ledmat.h ../../drivers/navswitch.h ../../drivers/test/system.h
$(CC) -c $(CFLAGS) $< -o $@
mgetkey-test.o: ../../drivers/test/mgetkey.c ../../drivers/test/mgetkey.h
$(CC) -c $(CFLAGS) $< -o $@
navswitch-test.o: ../../drivers/navswitch.c ../../drivers/test/pio.h ../../drivers/navswitch.h ../../drivers/test/avrtest.h ../../drivers/test/delay.h ../../drivers/test/system.h
$(CC) -c $(CFLAGS) $< -o $@
# Link: create executable file from object files.
tdmdemo2: timer-test.o pio-test.o pacer-test.o ledmat-test.o system-test.o tdmdemo2-test.o mgetkey-test.o navswitch-test.o
$(CC) $(CFLAGS) $^ -o $@ -lrt
# Clean: delete derived files.
.PHONY: clean
clean:
-$(DEL) tdmdemo2 timer-test.o pio-test.o pacer-test.o ledmat-test.o system-test.o tdmdemo2-test.o mgetkey-test.o navswitch-test.o
apps/tdmdemo2/tdmdemo2.c
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/** @file tdmdemo2.c
@author M. P. Hayes, UCECE
@date 10 August 2011
@brief Time division multiplexing of display demo
@defgroup tdmdemo2 Time division multiplexing of display demo
*/
#include "system.h"
#include "pacer.h"
#include "navswitch.h"
#include "ledmat.h"
/* Define polling rate in Hz. */
#define LOOP_RATE 1000
int main (void)
{
uint8_t col = 0;
uint8_t tick = 0;
uint8_t refresh_rate = 1;
uint16_t update_period;
system_init ();
ledmat_init ();
navswitch_init ();
pacer_init (LOOP_RATE);
update_period = LOOP_RATE / (LEDMAT_COLS_NUM * refresh_rate);
/* Paced loop. */
while (1)
{
/* Wait for next tick. */
pacer_wait ();
navswitch_update ();
if (navswitch_push_event_p (NAVSWITCH_EAST))
{
refresh_rate++;
update_period = LOOP_RATE / (LEDMAT_COLS_NUM * refresh_rate);
}
if (navswitch_push_event_p (NAVSWITCH_WEST) && refresh_rate > 0)
{
/* Allow refresh_rate to go to zero so can stop display
refreshing. */
refresh_rate--;
update_period = LOOP_RATE / (LEDMAT_COLS_NUM * refresh_rate);
}
tick++;
if (tick >= update_period)
{
tick = 0;
/* Display an 'H' character by time division multiplexing
the columns of the LED matrix. */
switch (col)
{
case 0:
ledmat_display_column (0x7f, 0);
break;
case 1:
ledmat_display_column (0x08, 1);
break;
case 2:
ledmat_display_column (0x08, 2);
break;
case 3:
ledmat_display_column (0x08, 3);
break;
case 4:
ledmat_display_column (0x7f, 4);
break;
default:
break;
}
col++;
if (col >= LEDMAT_COLS_NUM )
col = 0;
}
}
return 0;
}