Generate callgraph

2011-08-27 01:46:08 +00:00
commit 513810e138
233 changed files with 22993 additions and 0 deletions
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+# File:   Makefile
+# Author: M. P. Hayes, UCECE
+# Date:   12 Sep 2010
+# Descr:  Makefile for led4
+
+# 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: led4.out
+
+
+# Compile: create object files from C source files.
+led4.o: led4.c ../../drivers/avr/system.h ../../drivers/led.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 $@
+
+led.o: ../../drivers/led.c ../../drivers/avr/pio.h ../../drivers/avr/system.h ../../drivers/led.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.
+led4.out: led.o led4.o navswitch.o pacer.o pio.o system.o timer.o
+	$(CC) $(CFLAGS) $^ -o $@ -lm
+	$(SIZE) $@
+
+
+# Target: clean project.
+.PHONY: clean
+clean: 
+	-$(DEL) *.o *.out *.hex
+
+
+# Target: program project.
+.PHONY: program
+program: led4.out
+	$(OBJCOPY) -O ihex led4.out led4.hex
+	dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash led4.hex; dfu-programmer atmega32u2 start
+
+
@@ -0,0 +1,54 @@
+# File:   Makefile
+# Author: M. P. Hayes, UCECE
+# Date:   11 Sep 2010
+# Descr:  Makefile for led4
+
+CC = gcc
+CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I. -I../../utils -I../../drivers -I../../drivers/test
+
+DEL = rm
+
+
+# Default target.
+all: led4
+
+
+# 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 $@
+
+led-test.o: ../../drivers/led.c ../../drivers/led.h ../../drivers/test/pio.h ../../drivers/test/avrtest.h ../../drivers/test/system.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+pio-test.o: ../../drivers/test/pio.c
+	$(CC) -c $(CFLAGS) $< -o $@
+
+led4-test.o: led4.c ../../drivers/led.h ../../utils/pacer.h ../../drivers/navswitch.h ../../drivers/test/system.h
+	$(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 $@
+
+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 $@
+
+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.
+led4: timer-test.o led-test.o pio-test.o led4-test.o pacer-test.o system-test.o mgetkey-test.o navswitch-test.o
+	$(CC) $(CFLAGS) $^ -o $@ -lrt
+
+
+# Clean: delete derived files.
+.PHONY: clean
+clean: 
+	-$(DEL) led4 timer-test.o led-test.o pio-test.o led4-test.o pacer-test.o system-test.o mgetkey-test.o navswitch-test.o
+
+
@@ -0,0 +1,68 @@
+/** @file   led4.c
+    @author M.P. Hayes
+    @date   5 Oct 2010
+*/
+
+#include "system.h"
+#include "navswitch.h"
+#include "led.h"
+#include "pacer.h"
+
+
+/* Define polling rate in Hz.  */
+#define LOOP_RATE 4000
+
+#define LED_RATE 40
+
+typedef struct pen pen_t;
+
+
+int main (void)
+{
+    unsigned int duty[] = {0, 1, 2, 5, 10, 20, 50, 100};
+    unsigned int duty_index = 3;
+    unsigned int count = 0;
+    unsigned int period = LOOP_RATE / LED_RATE;
+    unsigned int offcount = period * duty[duty_index] / 100;
+
+    system_init ();
+
+    pacer_init (LOOP_RATE);
+    led_init ();
+    navswitch_init ();
+
+
+    /* Paced loop.  */
+    while (1)
+    {
+        /* Wait for next tick.  */
+        pacer_wait ();
+
+        /* There is no need to poll the switches so frequently but it
+           keeps the code simpler.  */
+        navswitch_update ();
+
+        if (navswitch_push_event_p (NAVSWITCH_SOUTH))
+        {
+            if (duty_index > 0)
+                duty_index--;
+
+            offcount = (period * duty[duty_index] + 50) / 100;
+        }
+
+        if (navswitch_push_event_p (NAVSWITCH_NORTH))
+        {
+            duty_index++;
+            if (duty_index >= ARRAY_SIZE (duty))
+                duty_index = ARRAY_SIZE (duty) - 1;
+            offcount = (period * duty[duty_index] + 50) / 100;
+        }
+
+        led_set (LED1, count < offcount);
+        count++;
+        if (count >= period)
+            count = 0;
+    }
+
+    return 0;
+}