Michael Hayes
12 years ago
commit
3122dc5b50
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# File: Makefile
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# Author: M. P. Hayes, UCECE
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# Date: 12 Sep 2010
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# Descr: Makefile for ledpwm1
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# Definitions.
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CC = avr-gcc
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CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/avr -I../../drivers -I../../utils
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OBJCOPY = avr-objcopy
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SIZE = avr-size
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DEL = rm
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# Default target.
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all: ledpwm1.out
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# Compile: create object files from C source files.
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ledpwm1.o: ledpwm1.c ../../drivers/avr/system.h ../../drivers/led.h ../../utils/pacer.h ../../utils/spwm.h
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$(CC) -c $(CFLAGS) $< -o $@
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pio.o: ../../drivers/avr/pio.c ../../drivers/avr/pio.h ../../drivers/avr/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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timer.o: ../../drivers/avr/timer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
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$(CC) -c $(CFLAGS) $< -o $@
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led.o: ../../drivers/led.c ../../drivers/avr/pio.h ../../drivers/avr/system.h ../../drivers/led.h
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$(CC) -c $(CFLAGS) $< -o $@
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pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h ../../utils/pacer.h
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$(CC) -c $(CFLAGS) $< -o $@
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spwm.o: ../../utils/spwm.c ../../drivers/avr/system.h ../../utils/spwm.h
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$(CC) -c $(CFLAGS) $< -o $@
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# Link: create output file (executable) from object files.
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ledpwm1.out: ledpwm1.o pio.o system.o timer.o led.o pacer.o spwm.o
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$(CC) $(CFLAGS) $^ -o $@ -lm
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$(SIZE) $@
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# Create hex file for programming from executable file.
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ledpwm1.hex: ledpwm1.out
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$(OBJCOPY) -O ihex ledpwm1.out ledpwm1.hex
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# Target: clean project.
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.PHONY: clean
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clean:
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-$(DEL) *.o *.out *.hex
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# Target: program project.
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.PHONY: program
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program: ledpwm1.hex
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dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash ledpwm1.hex; dfu-programmer atmega32u2 start
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# File: Makefile
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# Author: M. P. Hayes, UCECE
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# Date: 11 Sep 2010
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# Descr: Makefile for ledpwm1
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CC = gcc
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CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/test -I../../drivers -I../../utils
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DEL = rm
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# Default target.
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all: ledpwm1
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# Compile: create object files from C source files.
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ledpwm1-test.o: ledpwm1.c ../../drivers/led.h ../../drivers/test/system.h ../../utils/pacer.h ../../utils/spwm.h
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$(CC) -c $(CFLAGS) $< -o $@
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led-test.o: ../../drivers/led.c ../../drivers/led.h ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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mgetkey-test.o: ../../drivers/test/mgetkey.c ../../drivers/test/mgetkey.h
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$(CC) -c $(CFLAGS) $< -o $@
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pio-test.o: ../../drivers/test/pio.c ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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system-test.o: ../../drivers/test/system.c ../../drivers/test/avrtest.h ../../drivers/test/mgetkey.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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timer-test.o: ../../drivers/test/timer.c ../../drivers/test/system.h ../../drivers/test/timer.h
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$(CC) -c $(CFLAGS) $< -o $@
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pacer-test.o: ../../utils/pacer.c ../../drivers/test/system.h ../../drivers/test/timer.h ../../utils/pacer.h
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$(CC) -c $(CFLAGS) $< -o $@
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spwm-test.o: ../../utils/spwm.c ../../drivers/test/system.h ../../utils/spwm.h
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$(CC) -c $(CFLAGS) $< -o $@
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# Link: create executable file from object files.
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ledpwm1: ledpwm1-test.o led-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o pacer-test.o spwm-test.o
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$(CC) $(CFLAGS) $^ -o $@ -lrt
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# Clean: delete derived files.
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.PHONY: clean
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clean:
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-$(DEL) ledpwm1 ledpwm1-test.o led-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o pacer-test.o spwm-test.o
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# File: Makefile
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# Author: M. P. Hayes, UCECE
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# Date: 11 Sep 2010
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# Descr: Makefile for led5 docs
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# The scripts used to make the graphs require the program dot; this
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# is part of the graphviz package.
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DEL = rm
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all: file_dependencies.pdf module_dependencies.pdf makefile_dependencies.pdf build_dependencies.pdf callgraph.pdf
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file_dependencies.pdf: files.d
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../../../etc/graphdeps.py $< --out $@
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module_dependencies.pdf: modules.d
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../../../etc/graphdeps.py $< --modules --rotate --out $@
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makefile_dependencies.pdf: ../Makefile
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../../../etc/graphdeps.py $< --out $@
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build_dependencies.pdf: ../Makefile
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../../../etc/graphdeps.py $< --out $@ --showops
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callgraph.pdf: callgraph.d
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../../../etc/graphdeps.py --calls --modules $< --out $@ --showops
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files.d: ../Makefile
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(cd ..; ../../etc/makemake.py --relpath --files . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/files.d)
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modules.d: ../Makefile
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(cd ..; ../../etc/makemake.py --relpath --modules . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system > doc/modules.d)
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callgraph.d: ../Makefile
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(cd ..; ../../etc/makemake.py --cc="avr-gcc" --cflags="-Os -mmcu=atmega32u2" --relpath --calls . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/callgraph.d)
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# Clean: delete derived files.
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.PHONY: clean
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clean:
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-$(DEL) *.d *.pdf
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Running make in this directory will generate a number of PDF graphs.
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In the callgraph, the arrows means "calls". In the dependency graphs,
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the arrows means "requires" (or "depends upon").
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callgraph.pdf This shows the callgraph, i.e., what functions each
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function in the program calls.
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module_dependencies.pdf This shows the dependencies between the modules.
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file_dependencies.pdf This shows the dependencies between the files.
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makefile_dependencies.pdf This shows the dependencies required by make when
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building the program.
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build_dependencies.pdf This is like makefile_dependencies.pdf but shows
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the operations performed to generate the new file.
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callgraph.d This shows the callgraph in text format.
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files.d This shows the file dependencies in text format.
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modules.d This shows the module dependencies in text format.
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/** @file ledpwm1.c
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@author M.P. Hayes
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@date 25 Sep 2013
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*/
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#include "system.h"
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#include "pacer.h"
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#include "led.h"
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#include "spwm.h"
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#define LOOP_RATE 100
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int main (void)
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{
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spwm_t spwm1 = {.duty = 50, .period = 100};
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system_init ();
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led_init ();
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pacer_init (LOOP_RATE);
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while (1)
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{
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pacer_wait ();
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led_set (LED1, spwm_update (&spwm1));
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}
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return 0;
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}
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# File: Makefile
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# Author: M. P. Hayes, UCECE
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# Date: 12 Sep 2010
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# Descr: Makefile for random1
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# Definitions.
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CC = avr-gcc
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CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/avr -I../../drivers -I../../utils
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OBJCOPY = avr-objcopy
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SIZE = avr-size
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DEL = rm
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# Default target.
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all: random1.out
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# Compile: create object files from C source files.
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random1.o: random1.c ../../drivers/avr/system.h ../../drivers/display.h ../../drivers/navswitch.h ../../utils/font.h ../../utils/pacer.h ../../utils/tinygl.h
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$(CC) -c $(CFLAGS) $< -o $@
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pio.o: ../../drivers/avr/pio.c ../../drivers/avr/pio.h ../../drivers/avr/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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timer.o: ../../drivers/avr/timer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
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$(CC) -c $(CFLAGS) $< -o $@
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display.o: ../../drivers/display.c ../../drivers/avr/system.h ../../drivers/display.h ../../drivers/ledmat.h
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$(CC) -c $(CFLAGS) $< -o $@
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ledmat.o: ../../drivers/ledmat.c ../../drivers/avr/pio.h ../../drivers/avr/system.h ../../drivers/ledmat.h
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$(CC) -c $(CFLAGS) $< -o $@
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navswitch.o: ../../drivers/navswitch.c ../../drivers/avr/delay.h ../../drivers/avr/pio.h ../../drivers/avr/system.h ../../drivers/navswitch.h
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$(CC) -c $(CFLAGS) $< -o $@
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font.o: ../../utils/font.c ../../drivers/avr/system.h ../../utils/font.h
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$(CC) -c $(CFLAGS) $< -o $@
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pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h ../../utils/pacer.h
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$(CC) -c $(CFLAGS) $< -o $@
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tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.h ../../utils/font.h ../../utils/tinygl.h
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$(CC) -c $(CFLAGS) $< -o $@
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# Link: create output file (executable) from object files.
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random1.out: random1.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
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$(CC) $(CFLAGS) $^ -o $@ -lm
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$(SIZE) $@
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# Create hex file for programming from executable file.
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random1.hex: random1.out
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$(OBJCOPY) -O ihex random1.out random1.hex
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# Target: clean project.
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.PHONY: clean
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clean:
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-$(DEL) *.o *.out *.hex
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# Target: program project.
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.PHONY: program
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program: random1.hex
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dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash random1.hex; dfu-programmer atmega32u2 start
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@ -0,0 +1,64 @@
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# File: Makefile
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# Author: M. P. Hayes, UCECE
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# Date: 11 Sep 2010
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# Descr: Makefile for random1
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CC = gcc
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CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/test -I../../drivers -I../../utils
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DEL = rm
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# Default target.
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all: random1
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# Compile: create object files from C source files.
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random1-test.o: random1.c ../../drivers/display.h ../../drivers/navswitch.h ../../drivers/test/system.h ../../utils/font.h ../../utils/pacer.h ../../utils/tinygl.h
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$(CC) -c $(CFLAGS) $< -o $@
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display-test.o: ../../drivers/display.c ../../drivers/display.h ../../drivers/ledmat.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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ledmat-test.o: ../../drivers/ledmat.c ../../drivers/ledmat.h ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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navswitch-test.o: ../../drivers/navswitch.c ../../drivers/navswitch.h ../../drivers/test/avrtest.h ../../drivers/test/delay.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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mgetkey-test.o: ../../drivers/test/mgetkey.c ../../drivers/test/mgetkey.h
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$(CC) -c $(CFLAGS) $< -o $@
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pio-test.o: ../../drivers/test/pio.c ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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system-test.o: ../../drivers/test/system.c ../../drivers/test/avrtest.h ../../drivers/test/mgetkey.h ../../drivers/test/pio.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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timer-test.o: ../../drivers/test/timer.c ../../drivers/test/system.h ../../drivers/test/timer.h
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$(CC) -c $(CFLAGS) $< -o $@
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font-test.o: ../../utils/font.c ../../drivers/test/system.h ../../utils/font.h
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$(CC) -c $(CFLAGS) $< -o $@
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pacer-test.o: ../../utils/pacer.c ../../drivers/test/system.h ../../drivers/test/timer.h ../../utils/pacer.h
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$(CC) -c $(CFLAGS) $< -o $@
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tinygl-test.o: ../../utils/tinygl.c ../../drivers/display.h ../../drivers/test/system.h ../../utils/font.h ../../utils/tinygl.h
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$(CC) -c $(CFLAGS) $< -o $@
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# Link: create executable file from object files.
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||||||
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random1: random1-test.o display-test.o ledmat-test.o navswitch-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o font-test.o pacer-test.o tinygl-test.o
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||||||
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$(CC) $(CFLAGS) $^ -o $@ -lrt
|
||||||
|
|
||||||
|
|
||||||
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# Clean: delete derived files.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) random1 random1-test.o display-test.o ledmat-test.o navswitch-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o font-test.o pacer-test.o tinygl-test.o
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@ -0,0 +1,45 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 11 Sep 2010
|
||||||
|
# Descr: Makefile for led5 docs
|
||||||
|
|
||||||
|
# The scripts used to make the graphs require the program dot; this
|
||||||
|
# is part of the graphviz package.
|
||||||
|
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
all: file_dependencies.pdf module_dependencies.pdf makefile_dependencies.pdf build_dependencies.pdf callgraph.pdf
|
||||||
|
|
||||||
|
file_dependencies.pdf: files.d
|
||||||
|
../../../etc/graphdeps.py $< --out $@
|
||||||
|
|
||||||
|
module_dependencies.pdf: modules.d
|
||||||
|
../../../etc/graphdeps.py $< --modules --rotate --out $@
|
||||||
|
|
||||||
|
makefile_dependencies.pdf: ../Makefile
|
||||||
|
../../../etc/graphdeps.py $< --out $@
|
||||||
|
|
||||||
|
build_dependencies.pdf: ../Makefile
|
||||||
|
../../../etc/graphdeps.py $< --out $@ --showops
|
||||||
|
|
||||||
|
callgraph.pdf: callgraph.d
|
||||||
|
../../../etc/graphdeps.py --calls --modules $< --out $@ --showops
|
||||||
|
|
||||||
|
|
||||||
|
files.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --relpath --files . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/files.d)
|
||||||
|
|
||||||
|
|
||||||
|
modules.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --relpath --modules . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system > doc/modules.d)
|
||||||
|
|
||||||
|
|
||||||
|
callgraph.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --cc="avr-gcc" --cflags="-Os -mmcu=atmega32u2" --relpath --calls . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/callgraph.d)
|
||||||
|
|
||||||
|
|
||||||
|
# Clean: delete derived files.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) *.d *.pdf
|
||||||
|
|
||||||
@ -0,0 +1,16 @@
|
|||||||
|
Running make in this directory will generate a number of PDF graphs.
|
||||||
|
In the callgraph, the arrows means "calls". In the dependency graphs,
|
||||||
|
the arrows means "requires" (or "depends upon").
|
||||||
|
|
||||||
|
callgraph.pdf This shows the callgraph, i.e., what functions each
|
||||||
|
function in the program calls.
|
||||||
|
module_dependencies.pdf This shows the dependencies between the modules.
|
||||||
|
file_dependencies.pdf This shows the dependencies between the files.
|
||||||
|
makefile_dependencies.pdf This shows the dependencies required by make when
|
||||||
|
building the program.
|
||||||
|
build_dependencies.pdf This is like makefile_dependencies.pdf but shows
|
||||||
|
the operations performed to generate the new file.
|
||||||
|
|
||||||
|
callgraph.d This shows the callgraph in text format.
|
||||||
|
files.d This shows the file dependencies in text format.
|
||||||
|
modules.d This shows the module dependencies in text format.
|
||||||
@ -0,0 +1,59 @@
|
|||||||
|
/** @file random1.c
|
||||||
|
@author M.P. Hayes
|
||||||
|
@date 25 Sep 2013
|
||||||
|
@brief Example to show how pseudorandom numbers follow the same
|
||||||
|
sequence.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include "system.h"
|
||||||
|
#include "pacer.h"
|
||||||
|
#include "tinygl.h"
|
||||||
|
#include "navswitch.h"
|
||||||
|
#include "../fonts/font5x7_1.h"
|
||||||
|
|
||||||
|
#define LOOP_RATE 10000
|
||||||
|
|
||||||
|
#define NAVSWITCH_RATE 20
|
||||||
|
|
||||||
|
|
||||||
|
int main (void)
|
||||||
|
{
|
||||||
|
uint16_t navswitch_tick = 0;
|
||||||
|
|
||||||
|
system_init ();
|
||||||
|
|
||||||
|
navswitch_init ();
|
||||||
|
|
||||||
|
tinygl_init (LOOP_RATE);
|
||||||
|
tinygl_font_set (&font5x7_1);
|
||||||
|
|
||||||
|
pacer_init (LOOP_RATE);
|
||||||
|
|
||||||
|
tinygl_draw_char ('*', tinygl_point (0, 0));
|
||||||
|
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
pacer_wait ();
|
||||||
|
|
||||||
|
tinygl_update ();
|
||||||
|
|
||||||
|
navswitch_tick++;
|
||||||
|
if (navswitch_tick >= LOOP_RATE / NAVSWITCH_RATE)
|
||||||
|
{
|
||||||
|
navswitch_tick = 0;
|
||||||
|
|
||||||
|
navswitch_update ();
|
||||||
|
|
||||||
|
if (navswitch_push_event_p (NAVSWITCH_PUSH))
|
||||||
|
{
|
||||||
|
char c;
|
||||||
|
|
||||||
|
c = (rand () % 26) + 'A';
|
||||||
|
|
||||||
|
tinygl_draw_char (c, tinygl_point (0, 0));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
@ -0,0 +1,74 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 12 Sep 2010
|
||||||
|
# Descr: Makefile for random2
|
||||||
|
|
||||||
|
# Definitions.
|
||||||
|
CC = avr-gcc
|
||||||
|
CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/avr -I../../drivers -I../../utils
|
||||||
|
OBJCOPY = avr-objcopy
|
||||||
|
SIZE = avr-size
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
|
||||||
|
# Default target.
|
||||||
|
all: random2.out
|
||||||
|
|
||||||
|
|
||||||
|
# Compile: create object files from C source files.
|
||||||
|
random2.o: random2.c ../../drivers/avr/system.h ../../drivers/display.h ../../drivers/navswitch.h ../../utils/font.h ../../utils/pacer.h ../../utils/tinygl.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 $@
|
||||||
|
|
||||||
|
display.o: ../../drivers/display.c ../../drivers/avr/system.h ../../drivers/display.h ../../drivers/ledmat.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 $@
|
||||||
|
|
||||||
|
font.o: ../../utils/font.c ../../drivers/avr/system.h ../../utils/font.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 $@
|
||||||
|
|
||||||
|
tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.h ../../utils/font.h ../../utils/tinygl.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# Link: create output file (executable) from object files.
|
||||||
|
random2.out: random2.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
|
||||||
|
$(CC) $(CFLAGS) $^ -o $@ -lm
|
||||||
|
$(SIZE) $@
|
||||||
|
|
||||||
|
|
||||||
|
# Create hex file for programming from executable file.
|
||||||
|
random2.hex: random2.out
|
||||||
|
$(OBJCOPY) -O ihex random2.out random2.hex
|
||||||
|
|
||||||
|
|
||||||
|
# Target: clean project.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) *.o *.out *.hex
|
||||||
|
|
||||||
|
|
||||||
|
# Target: program project.
|
||||||
|
.PHONY: program
|
||||||
|
program: random2.hex
|
||||||
|
dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash random2.hex; dfu-programmer atmega32u2 start
|
||||||
|
|
||||||
|
|
||||||
@ -0,0 +1,64 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 11 Sep 2010
|
||||||
|
# Descr: Makefile for random2
|
||||||
|
|
||||||
|
CC = gcc
|
||||||
|
CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/test -I../../drivers -I../../utils
|
||||||
|
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
|
||||||
|
# Default target.
|
||||||
|
all: random2
|
||||||
|
|
||||||
|
|
||||||
|
# Compile: create object files from C source files.
|
||||||
|
random2-test.o: random2.c ../../drivers/display.h ../../drivers/navswitch.h ../../drivers/test/system.h ../../utils/font.h ../../utils/pacer.h ../../utils/tinygl.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
display-test.o: ../../drivers/display.c ../../drivers/display.h ../../drivers/ledmat.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
ledmat-test.o: ../../drivers/ledmat.c ../../drivers/ledmat.h ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
navswitch-test.o: ../../drivers/navswitch.c ../../drivers/navswitch.h ../../drivers/test/avrtest.h ../../drivers/test/delay.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
mgetkey-test.o: ../../drivers/test/mgetkey.c ../../drivers/test/mgetkey.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
pio-test.o: ../../drivers/test/pio.c ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
system-test.o: ../../drivers/test/system.c ../../drivers/test/avrtest.h ../../drivers/test/mgetkey.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
timer-test.o: ../../drivers/test/timer.c ../../drivers/test/system.h ../../drivers/test/timer.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
font-test.o: ../../utils/font.c ../../drivers/test/system.h ../../utils/font.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
pacer-test.o: ../../utils/pacer.c ../../drivers/test/system.h ../../drivers/test/timer.h ../../utils/pacer.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
tinygl-test.o: ../../utils/tinygl.c ../../drivers/display.h ../../drivers/test/system.h ../../utils/font.h ../../utils/tinygl.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# Link: create executable file from object files.
|
||||||
|
random2: random2-test.o display-test.o ledmat-test.o navswitch-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o font-test.o pacer-test.o tinygl-test.o
|
||||||
|
$(CC) $(CFLAGS) $^ -o $@ -lrt
|
||||||
|
|
||||||
|
|
||||||
|
# Clean: delete derived files.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) random2 random2-test.o display-test.o ledmat-test.o navswitch-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o font-test.o pacer-test.o tinygl-test.o
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@ -0,0 +1,45 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 11 Sep 2010
|
||||||
|
# Descr: Makefile for led5 docs
|
||||||
|
|
||||||
|
# The scripts used to make the graphs require the program dot; this
|
||||||
|
# is part of the graphviz package.
|
||||||
|
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
all: file_dependencies.pdf module_dependencies.pdf makefile_dependencies.pdf build_dependencies.pdf callgraph.pdf
|
||||||
|
|
||||||
|
file_dependencies.pdf: files.d
|
||||||
|
../../../etc/graphdeps.py $< --out $@
|
||||||
|
|
||||||
|
module_dependencies.pdf: modules.d
|
||||||
|
../../../etc/graphdeps.py $< --modules --rotate --out $@
|
||||||
|
|
||||||
|
makefile_dependencies.pdf: ../Makefile
|
||||||
|
../../../etc/graphdeps.py $< --out $@
|
||||||
|
|
||||||
|
build_dependencies.pdf: ../Makefile
|
||||||
|
../../../etc/graphdeps.py $< --out $@ --showops
|
||||||
|
|
||||||
|
callgraph.pdf: callgraph.d
|
||||||
|
../../../etc/graphdeps.py --calls --modules $< --out $@ --showops
|
||||||
|
|
||||||
|
|
||||||
|
files.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --relpath --files . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/files.d)
|
||||||
|
|
||||||
|
|
||||||
|
modules.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --relpath --modules . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system > doc/modules.d)
|
||||||
|
|
||||||
|
|
||||||
|
callgraph.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --cc="avr-gcc" --cflags="-Os -mmcu=atmega32u2" --relpath --calls . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/callgraph.d)
|
||||||
|
|
||||||
|
|
||||||
|
# Clean: delete derived files.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) *.d *.pdf
|
||||||
|
|
||||||
@ -0,0 +1,16 @@
|
|||||||
|
Running make in this directory will generate a number of PDF graphs.
|
||||||
|
In the callgraph, the arrows means "calls". In the dependency graphs,
|
||||||
|
the arrows means "requires" (or "depends upon").
|
||||||
|
|
||||||
|
callgraph.pdf This shows the callgraph, i.e., what functions each
|
||||||
|
function in the program calls.
|
||||||
|
module_dependencies.pdf This shows the dependencies between the modules.
|
||||||
|
file_dependencies.pdf This shows the dependencies between the files.
|
||||||
|
makefile_dependencies.pdf This shows the dependencies required by make when
|
||||||
|
building the program.
|
||||||
|
build_dependencies.pdf This is like makefile_dependencies.pdf but shows
|
||||||
|
the operations performed to generate the new file.
|
||||||
|
|
||||||
|
callgraph.d This shows the callgraph in text format.
|
||||||
|
files.d This shows the file dependencies in text format.
|
||||||
|
modules.d This shows the module dependencies in text format.
|
||||||
@ -0,0 +1,66 @@
|
|||||||
|
/** @file random2.c
|
||||||
|
@author M.P. Hayes
|
||||||
|
@date 25 Sep 2013
|
||||||
|
@brief Example to show how pseudorandom sequence can be changed by reseeding
|
||||||
|
the pseudorandom number generator.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include "system.h"
|
||||||
|
#include "pacer.h"
|
||||||
|
#include "tinygl.h"
|
||||||
|
#include "navswitch.h"
|
||||||
|
#include "../fonts/font5x7_1.h"
|
||||||
|
|
||||||
|
#define LOOP_RATE 10000
|
||||||
|
|
||||||
|
#define NAVSWITCH_RATE 20
|
||||||
|
|
||||||
|
|
||||||
|
int main (void)
|
||||||
|
{
|
||||||
|
uint16_t navswitch_tick = 0;
|
||||||
|
uint16_t count = 0;
|
||||||
|
|
||||||
|
system_init ();
|
||||||
|
|
||||||
|
navswitch_init ();
|
||||||
|
|
||||||
|
tinygl_init (LOOP_RATE);
|
||||||
|
tinygl_font_set (&font5x7_1);
|
||||||
|
|
||||||
|
pacer_init (LOOP_RATE);
|
||||||
|
|
||||||
|
tinygl_draw_char ('*', tinygl_point (0, 0));
|
||||||
|
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
pacer_wait ();
|
||||||
|
|
||||||
|
tinygl_update ();
|
||||||
|
|
||||||
|
count++;
|
||||||
|
|
||||||
|
navswitch_tick++;
|
||||||
|
if (navswitch_tick >= LOOP_RATE / NAVSWITCH_RATE)
|
||||||
|
{
|
||||||
|
navswitch_tick = 0;
|
||||||
|
|
||||||
|
navswitch_update ();
|
||||||
|
|
||||||
|
if (navswitch_push_event_p (NAVSWITCH_PUSH))
|
||||||
|
{
|
||||||
|
char c;
|
||||||
|
|
||||||
|
c = (rand () % 26) + 'A';
|
||||||
|
|
||||||
|
tinygl_draw_char (c, tinygl_point (0, 0));
|
||||||
|
|
||||||
|
/* Reseed the pseudorandom number generator based on the
|
||||||
|
number of iterations of the paced loop. */
|
||||||
|
srand (count);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
@ -0,0 +1,74 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 12 Sep 2010
|
||||||
|
# Descr: Makefile for stars1
|
||||||
|
|
||||||
|
# Definitions.
|
||||||
|
CC = avr-gcc
|
||||||
|
CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/avr -I../../drivers -I../../utils
|
||||||
|
OBJCOPY = avr-objcopy
|
||||||
|
SIZE = avr-size
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
|
||||||
|
# Default target.
|
||||||
|
all: stars1.out
|
||||||
|
|
||||||
|
|
||||||
|
# Compile: create object files from C source files.
|
||||||
|
stars1.o: stars1.c ../../drivers/avr/system.h ../../drivers/display.h ../../utils/font.h ../../utils/pacer.h ../../utils/spwm.h ../../utils/tinygl.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 $@
|
||||||
|
|
||||||
|
display.o: ../../drivers/display.c ../../drivers/avr/system.h ../../drivers/display.h ../../drivers/ledmat.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 $@
|
||||||
|
|
||||||
|
font.o: ../../utils/font.c ../../drivers/avr/system.h ../../utils/font.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 $@
|
||||||
|
|
||||||
|
spwm.o: ../../utils/spwm.c ../../drivers/avr/system.h ../../utils/spwm.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.h ../../utils/font.h ../../utils/tinygl.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# Link: create output file (executable) from object files.
|
||||||
|
stars1.out: stars1.o pio.o system.o timer.o display.o ledmat.o font.o pacer.o spwm.o tinygl.o
|
||||||
|
$(CC) $(CFLAGS) $^ -o $@ -lm
|
||||||
|
$(SIZE) $@
|
||||||
|
|
||||||
|
|
||||||
|
# Create hex file for programming from executable file.
|
||||||
|
stars1.hex: stars1.out
|
||||||
|
$(OBJCOPY) -O ihex stars1.out stars1.hex
|
||||||
|
|
||||||
|
|
||||||
|
# Target: clean project.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) *.o *.out *.hex
|
||||||
|
|
||||||
|
|
||||||
|
# Target: program project.
|
||||||
|
.PHONY: program
|
||||||
|
program: stars1.hex
|
||||||
|
dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash stars1.hex; dfu-programmer atmega32u2 start
|
||||||
|
|
||||||
|
|
||||||
@ -0,0 +1,64 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 11 Sep 2010
|
||||||
|
# Descr: Makefile for stars1
|
||||||
|
|
||||||
|
CC = gcc
|
||||||
|
CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I../../drivers/test -I../../drivers -I../../utils
|
||||||
|
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
|
||||||
|
# Default target.
|
||||||
|
all: stars1
|
||||||
|
|
||||||
|
|
||||||
|
# Compile: create object files from C source files.
|
||||||
|
stars1-test.o: stars1.c ../../drivers/display.h ../../drivers/test/system.h ../../utils/font.h ../../utils/pacer.h ../../utils/spwm.h ../../utils/tinygl.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
display-test.o: ../../drivers/display.c ../../drivers/display.h ../../drivers/ledmat.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
ledmat-test.o: ../../drivers/ledmat.c ../../drivers/ledmat.h ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
mgetkey-test.o: ../../drivers/test/mgetkey.c ../../drivers/test/mgetkey.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
pio-test.o: ../../drivers/test/pio.c ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
system-test.o: ../../drivers/test/system.c ../../drivers/test/avrtest.h ../../drivers/test/mgetkey.h ../../drivers/test/pio.h ../../drivers/test/system.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
timer-test.o: ../../drivers/test/timer.c ../../drivers/test/system.h ../../drivers/test/timer.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
font-test.o: ../../utils/font.c ../../drivers/test/system.h ../../utils/font.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
pacer-test.o: ../../utils/pacer.c ../../drivers/test/system.h ../../drivers/test/timer.h ../../utils/pacer.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
spwm-test.o: ../../utils/spwm.c ../../drivers/test/system.h ../../utils/spwm.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
tinygl-test.o: ../../utils/tinygl.c ../../drivers/display.h ../../drivers/test/system.h ../../utils/font.h ../../utils/tinygl.h
|
||||||
|
$(CC) -c $(CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# Link: create executable file from object files.
|
||||||
|
stars1: stars1-test.o display-test.o ledmat-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o font-test.o pacer-test.o spwm-test.o tinygl-test.o
|
||||||
|
$(CC) $(CFLAGS) $^ -o $@ -lrt
|
||||||
|
|
||||||
|
|
||||||
|
# Clean: delete derived files.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) stars1 stars1-test.o display-test.o ledmat-test.o mgetkey-test.o pio-test.o system-test.o timer-test.o font-test.o pacer-test.o spwm-test.o tinygl-test.o
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
@ -0,0 +1,45 @@
|
|||||||
|
# File: Makefile
|
||||||
|
# Author: M. P. Hayes, UCECE
|
||||||
|
# Date: 11 Sep 2010
|
||||||
|
# Descr: Makefile for led5 docs
|
||||||
|
|
||||||
|
# The scripts used to make the graphs require the program dot; this
|
||||||
|
# is part of the graphviz package.
|
||||||
|
|
||||||
|
DEL = rm
|
||||||
|
|
||||||
|
all: file_dependencies.pdf module_dependencies.pdf makefile_dependencies.pdf build_dependencies.pdf callgraph.pdf
|
||||||
|
|
||||||
|
file_dependencies.pdf: files.d
|
||||||
|
../../../etc/graphdeps.py $< --out $@
|
||||||
|
|
||||||
|
module_dependencies.pdf: modules.d
|
||||||
|
../../../etc/graphdeps.py $< --modules --rotate --out $@
|
||||||
|
|
||||||
|
makefile_dependencies.pdf: ../Makefile
|
||||||
|
../../../etc/graphdeps.py $< --out $@
|
||||||
|
|
||||||
|
build_dependencies.pdf: ../Makefile
|
||||||
|
../../../etc/graphdeps.py $< --out $@ --showops
|
||||||
|
|
||||||
|
callgraph.pdf: callgraph.d
|
||||||
|
../../../etc/graphdeps.py --calls --modules $< --out $@ --showops
|
||||||
|
|
||||||
|
|
||||||
|
files.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --relpath --files . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/files.d)
|
||||||
|
|
||||||
|
|
||||||
|
modules.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --relpath --modules . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system > doc/modules.d)
|
||||||
|
|
||||||
|
|
||||||
|
callgraph.d: ../Makefile
|
||||||
|
(cd ..; ../../etc/makemake.py --cc="avr-gcc" --cflags="-Os -mmcu=atmega32u2" --relpath --calls . . ../../drivers ../../drivers/avr ../../utils ../../extra --exclude system.h > doc/callgraph.d)
|
||||||
|
|
||||||
|
|
||||||
|
# Clean: delete derived files.
|
||||||
|
.PHONY: clean
|
||||||
|
clean:
|
||||||
|
-$(DEL) *.d *.pdf
|
||||||
|
|
||||||
@ -0,0 +1,16 @@
|
|||||||
|
Running make in this directory will generate a number of PDF graphs.
|
||||||
|
In the callgraph, the arrows means "calls". In the dependency graphs,
|
||||||
|
the arrows means "requires" (or "depends upon").
|
||||||
|
|
||||||
|
callgraph.pdf This shows the callgraph, i.e., what functions each
|
||||||
|
function in the program calls.
|
||||||
|
module_dependencies.pdf This shows the dependencies between the modules.
|
||||||
|
file_dependencies.pdf This shows the dependencies between the files.
|
||||||
|
makefile_dependencies.pdf This shows the dependencies required by make when
|
||||||
|
building the program.
|
||||||
|
build_dependencies.pdf This is like makefile_dependencies.pdf but shows
|
||||||
|
the operations performed to generate the new file.
|
||||||
|
|
||||||
|
callgraph.d This shows the callgraph in text format.
|
||||||
|
files.d This shows the file dependencies in text format.
|
||||||
|
modules.d This shows the module dependencies in text format.
|
||||||
@ -0,0 +1,112 @@
|
|||||||
|
/** @file stars1.c
|
||||||
|
@author M.P. Hayes
|
||||||
|
@date 25 Sep 2013
|
||||||
|
@brief Example of using pseudorandom numbers and controlling pixel
|
||||||
|
brightness with PWM. Note, pseudorandom numbers follow the same
|
||||||
|
sequence.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include "system.h"
|
||||||
|
#include "pacer.h"
|
||||||
|
#include "tinygl.h"
|
||||||
|
|
||||||
|
/* This controls the range of luminance. A bigger number gives more dynamic range
|
||||||
|
but requires a faster update rate. */
|
||||||
|
#define LUMINANCE_STEPS 25
|
||||||
|
|
||||||
|
/* This needs to be fast enough to prevent the eye noticing flicker.
|
||||||
|
A lower value (say 5) is useful for flashing pixels. */
|
||||||
|
#define PWM_RATE 40
|
||||||
|
|
||||||
|
/* This is the rate (Hz) that new stars are created. */
|
||||||
|
#define CREATE_RATE 2
|
||||||
|
|
||||||
|
/* This is the rate (Hz) of luminance changes. */
|
||||||
|
#define FADE_RATE 2
|
||||||
|
|
||||||
|
#define UPDATE_RATE (LUMINANCE_STEPS * PWM_RATE)
|
||||||
|
|
||||||
|
#define LOOP_RATE (TINYGL_WIDTH * UPDATE_RATE)
|
||||||
|
|
||||||
|
int main (void)
|
||||||
|
{
|
||||||
|
uint16_t fade_tick = 0;
|
||||||
|
uint16_t create_tick = 0;
|
||||||
|
uint8_t pwm_tick = 0;
|
||||||
|
uint8_t x;
|
||||||
|
uint8_t y;
|
||||||
|
uint8_t col;
|
||||||
|
/* This stores the current luminance level for each pixel. */
|
||||||
|
uint8_t display[TINYGL_HEIGHT][TINYGL_WIDTH] = {0, };
|
||||||
|
/* This controls the luminance levels. The maximum value
|
||||||
|
of LUMINANCE_STEPS gives 100 percent duty cycle.
|
||||||
|
The first value must be zero to turn star off when it dies. */
|
||||||
|
const uint8_t levels[] = {0, 1, 2, 4, 8, 15, 25, 15, 8, 4, 2, 1};
|
||||||
|
|
||||||
|
system_init ();
|
||||||
|
|
||||||
|
tinygl_init (LOOP_RATE);
|
||||||
|
|
||||||
|
pacer_init (LOOP_RATE);
|
||||||
|
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
/* Refresh display. */
|
||||||
|
for (col = 0; col < TINYGL_WIDTH; col++)
|
||||||
|
{
|
||||||
|
pacer_wait ();
|
||||||
|
|
||||||
|
tinygl_update ();
|
||||||
|
}
|
||||||
|
|
||||||
|
fade_tick++;
|
||||||
|
if (fade_tick >= UPDATE_RATE / FADE_RATE)
|
||||||
|
{
|
||||||
|
fade_tick = 0;
|
||||||
|
|
||||||
|
/* Change luminance of stars until they die. */
|
||||||
|
for (x = 0; x < TINYGL_WIDTH; x++)
|
||||||
|
{
|
||||||
|
for (y = 0; y < TINYGL_HEIGHT; y++)
|
||||||
|
{
|
||||||
|
if (display[y][x] > 0)
|
||||||
|
display[y][x]--;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
create_tick++;
|
||||||
|
if (create_tick >= UPDATE_RATE / CREATE_RATE)
|
||||||
|
{
|
||||||
|
create_tick = 0;
|
||||||
|
|
||||||
|
/* Create new star, but not over a live one. */
|
||||||
|
do
|
||||||
|
{
|
||||||
|
x = rand () % TINYGL_WIDTH;
|
||||||
|
y = rand () % TINYGL_HEIGHT;
|
||||||
|
} while (display[y][x]);
|
||||||
|
|
||||||
|
display[y][x] = ARRAY_SIZE (levels) - 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* Pulse width modulate pixels to control luminance. */
|
||||||
|
for (x = 0; x < TINYGL_WIDTH; x++)
|
||||||
|
{
|
||||||
|
for (y = 0; y < TINYGL_HEIGHT; y++)
|
||||||
|
{
|
||||||
|
tinygl_draw_point (tinygl_point (x, y),
|
||||||
|
levels[display[y][x]] > pwm_tick);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pwm_tick++;
|
||||||
|
if (pwm_tick >= UPDATE_RATE / PWM_RATE)
|
||||||
|
{
|
||||||
|
pwm_tick = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
@ -0,0 +1,48 @@
|
|||||||
|
/** @file spwm.c
|
||||||
|
@author M. P. Hayes, UCECE
|
||||||
|
@date 25 Sep 2013
|
||||||
|
@brief These routines are for software pulse width modulation. They are
|
||||||
|
useful for modulating the luiminance of an LED or beeping a piezo
|
||||||
|
tweeter.
|
||||||
|
*/
|
||||||
|
#include "system.h"
|
||||||
|
#include "spwm.h"
|
||||||
|
|
||||||
|
|
||||||
|
/** Set the period. This must be greater than the duty. */
|
||||||
|
void
|
||||||
|
spwm_period_set (spwm_t *spwm, spwm_period_t period)
|
||||||
|
{
|
||||||
|
spwm->period = period;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/** Set the duty. This must be less than the period. */
|
||||||
|
void
|
||||||
|
spwm_duty_set (spwm_t *spwm, spwm_period_t duty)
|
||||||
|
{
|
||||||
|
spwm->duty = duty;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/** Return whether spwm output should be high or low.
|
||||||
|
For example, to control the flashing of a LED use:
|
||||||
|
|
||||||
|
led_set (led, spwm_update (spwm)); */
|
||||||
|
bool
|
||||||
|
spwm_update (spwm_t *spwm)
|
||||||
|
{
|
||||||
|
spwm->count++;
|
||||||
|
if (spwm->count >= spwm->period)
|
||||||
|
spwm->count = 0;
|
||||||
|
|
||||||
|
return spwm->count < spwm->duty;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* Reset spwm. */
|
||||||
|
void
|
||||||
|
spwm_reset (spwm_t *spwm)
|
||||||
|
{
|
||||||
|
spwm->count = 0;
|
||||||
|
}
|
||||||
@ -0,0 +1,45 @@
|
|||||||
|
/** @file spwm.h
|
||||||
|
@author M. P. Hayes, UCECE
|
||||||
|
@date 25 Sep 2013
|
||||||
|
@brief These routines are for software pulse width modulation. They are
|
||||||
|
useful for modulating the luiminance of an LED or beeping a piezo
|
||||||
|
tweeter.
|
||||||
|
*/
|
||||||
|
#ifndef SPWM_H
|
||||||
|
#define SPWM_H
|
||||||
|
|
||||||
|
#include "system.h"
|
||||||
|
|
||||||
|
|
||||||
|
typedef uint8_t spwm_period_t;
|
||||||
|
|
||||||
|
|
||||||
|
/* This structure is defined here so the compiler can allocate enough
|
||||||
|
memory for it. However, its fields should be treated as
|
||||||
|
private. */
|
||||||
|
typedef struct spwm_struct
|
||||||
|
{
|
||||||
|
spwm_period_t period;
|
||||||
|
spwm_period_t duty;
|
||||||
|
spwm_period_t count;
|
||||||
|
} spwm_t;
|
||||||
|
|
||||||
|
|
||||||
|
/** Set the period. This must be greater than the duty. */
|
||||||
|
void spwm_period_set (spwm_t *spwm, spwm_period_t period);
|
||||||
|
|
||||||
|
|
||||||
|
/** Set the duty. This must be less than the period. */
|
||||||
|
void spwm_duty_set (spwm_t *spwm, spwm_period_t duty);
|
||||||
|
|
||||||
|
|
||||||
|
/** Return whether spwm output should be high or low.
|
||||||
|
For example, to control the flashing of a LED use:
|
||||||
|
|
||||||
|
led_set (led, spwm_update (spwm)); */
|
||||||
|
bool spwm_update (spwm_t *spwm);
|
||||||
|
|
||||||
|
|
||||||
|
/* Reset spwm. */
|
||||||
|
void spwm_reset (spwm_t *spwm);
|
||||||
|
#endif
|
||||||
Loading…
Reference in new issue