Generate callgraph
This commit is contained in:
Michael Hayes
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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 snake1
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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. -I../../utils -I../../fonts -I../../drivers -I../../drivers/avr
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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: snake1.out
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# Compile: create object files from C source files.
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snake1.o: snake1.c ../../drivers/avr/system.h ../../drivers/display.h ../../drivers/navswitch.h ../../fonts/font5x7_1.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 $@
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pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.h ../../utils/pacer.h
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$(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 $@
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# Link: create ELF output file from object files.
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snake1.out: display.o ledmat.o navswitch.o pacer.o pio.o snake1.o system.o timer.o tinygl.o
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$(CC) $(CFLAGS) $^ -o $@ -lm
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$(SIZE) $@
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# Target: clean project.
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.PHONY: clean
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clean:
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-$(DEL) *.o *.out *.hex
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# Target: program project.
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.PHONY: program
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program: snake1.out
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$(OBJCOPY) -O ihex snake1.out snake1.hex
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dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash snake1.hex; dfu-programmer atmega32u2 start
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@@ -0,0 +1,60 @@
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# File: Makefile
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# Author: M. P. Hayes, UCECE
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# Date: 11 Sep 2010
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# Descr: Makefile for snake1
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CC = gcc
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CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I. -I../../utils -I../../drivers -I../../drivers/test
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DEL = rm
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# Default target.
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all: snake1
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# Compile: create object files from C source files.
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timer-test.o: ../../drivers/test/timer.c ../../drivers/test/timer.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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display-test.o: ../../drivers/display.c ../../drivers/ledmat.h ../../drivers/display.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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pio-test.o: ../../drivers/test/pio.c
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$(CC) -c $(CFLAGS) $< -o $@
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system-test.o: ../../drivers/test/system.c ../../drivers/test/pio.h ../../drivers/test/avrtest.h ../../drivers/test/mgetkey.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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pacer-test.o: ../../utils/pacer.c ../../drivers/test/timer.h ../../utils/pacer.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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tinygl-test.o: ../../utils/tinygl.c ../../drivers/display.h ../../utils/font.h ../../utils/tinygl.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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ledmat-test.o: ../../drivers/ledmat.c ../../drivers/test/avrtest.h ../../drivers/test/pio.h ../../drivers/ledmat.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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snake1-test.o: snake1.c ../../drivers/navswitch.h ../../drivers/test/system.h ../../utils/font.h ../../utils/tinygl.h ../../utils/pacer.h ../../drivers/display.h ../../fonts/font5x7_1.h
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$(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 $@
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navswitch-test.o: ../../drivers/navswitch.c ../../drivers/test/pio.h ../../drivers/navswitch.h ../../drivers/test/avrtest.h ../../drivers/test/delay.h ../../drivers/test/system.h
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$(CC) -c $(CFLAGS) $< -o $@
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# Link: create executable file from object files.
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snake1: timer-test.o display-test.o pio-test.o system-test.o pacer-test.o tinygl-test.o ledmat-test.o snake1-test.o mgetkey-test.o navswitch-test.o
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$(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) snake1 timer-test.o display-test.o pio-test.o system-test.o pacer-test.o tinygl-test.o ledmat-test.o snake1-test.o mgetkey-test.o navswitch-test.o
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@@ -0,0 +1,127 @@
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/** @file snake1.c
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@author M.P. Hayes
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@date 5 Oct 2010
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@note The sneake head deliberately moves off screen unless turned.
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*/
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#include "system.h"
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#include "navswitch.h"
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#include "tinygl.h"
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#include "pacer.h"
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#include "../fonts/font5x7_1.h"
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/* Define polling rate in Hz. */
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#define LOOP_RATE 300
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#define SNAKE_SPEED 2
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enum dir {DIR_N, DIR_E, DIR_S, DIR_W};
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typedef enum dir dir_t;
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struct snake
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{
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/* Current head of snake. */
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tinygl_point_t pos;
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/* Current direction. */
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enum dir dir;
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};
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typedef struct snake snake_t;
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static snake_t snake_move (snake_t snake)
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{
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switch (snake.dir)
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{
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case DIR_N:
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snake.pos.y = snake.pos.y - 1;
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break;
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case DIR_E:
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snake.pos.x = snake.pos.x + 1;
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break;
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case DIR_S:
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snake.pos.y = snake.pos.y + 1;
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break;
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case DIR_W:
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snake.pos.x = snake.pos.x - 1;
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break;
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}
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tinygl_draw_point (snake.pos, 1);
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return snake;
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}
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static snake_t snake_turn_left (snake_t snake)
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{
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dir_t newdir[] = {DIR_W, DIR_N, DIR_E, DIR_S};
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snake.dir = newdir[snake.dir];
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return snake;
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}
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static snake_t snake_turn_right (snake_t snake)
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{
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dir_t newdir[] = {DIR_E, DIR_S, DIR_W, DIR_N};
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snake.dir = newdir[snake.dir];
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return snake;
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}
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int main (void)
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{
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snake_t snake;
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int tick = 0;
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system_init ();
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snake.dir = DIR_N;
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snake.pos.x = TINYGL_WIDTH / 2;
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snake.pos.y = TINYGL_HEIGHT - 1;
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tinygl_init (LOOP_RATE);
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tinygl_font_set (&font5x7_1);
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navswitch_init ();
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pacer_init (LOOP_RATE);
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tinygl_draw_point (snake.pos, 1);
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/* Paced loop. */
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while (1)
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{
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/* Wait for next tick. */
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pacer_wait ();
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navswitch_update ();
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tick = tick + 1;
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if (tick > LOOP_RATE / SNAKE_SPEED)
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{
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tick = 0;
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snake = snake_move (snake);
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}
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if (navswitch_push_event_p (NAVSWITCH_WEST))
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{
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snake = snake_turn_left (snake);
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}
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if (navswitch_push_event_p (NAVSWITCH_EAST))
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{
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snake = snake_turn_right (snake);
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}
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tinygl_update ();
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}
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return 0;
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}
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