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 tdmdemo1
+
+# 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: tdmdemo1.out
+
+
+# Compile: create object files from C source files.
+tdmdemo1.o: tdmdemo1.c ../../drivers/avr/system.h ../../drivers/ledmat.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 $@
+
+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.
+tdmdemo1.out: ledmat.o pacer.o pio.o system.o tdmdemo1.o timer.o
+	$(CC) $(CFLAGS) $^ -o $@ -lm
+	$(SIZE) $@
+
+
+# Target: clean project.
+.PHONY: clean
+clean: 
+	-$(DEL) *.o *.out *.hex
+
+
+# Target: program project.
+.PHONY: program
+program: tdmdemo1.out
+	$(OBJCOPY) -O ihex tdmdemo1.out tdmdemo1.hex
+	dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash tdmdemo1.hex; dfu-programmer atmega32u2 start
+
+
@@ -0,0 +1,51 @@
+# File:   Makefile
+# Author: M. P. Hayes, UCECE
+# Date:   11 Sep 2010
+# Descr:  Makefile for tdmdemo1
+
+CC = gcc
+CFLAGS = -Wall -Wstrict-prototypes -Wextra -g -I. -I../../utils -I../../drivers -I../../drivers/test
+
+DEL = rm
+
+
+# Default target.
+all: tdmdemo1
+
+
+# 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 $@
+
+mgetkey-test.o: ../../drivers/test/mgetkey.c ../../drivers/test/mgetkey.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+tdmdemo1-test.o: tdmdemo1.c ../../utils/pacer.h ../../drivers/ledmat.h ../../drivers/test/system.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+
+
+
+# Link: create executable file from object files.
+tdmdemo1: timer-test.o pio-test.o pacer-test.o ledmat-test.o system-test.o mgetkey-test.o tdmdemo1-test.o
+	$(CC) $(CFLAGS) $^ -o $@ -lrt
+
+
+# Clean: delete derived files.
+.PHONY: clean
+clean: 
+	-$(DEL) tdmdemo1 timer-test.o pio-test.o pacer-test.o ledmat-test.o system-test.o mgetkey-test.o tdmdemo1-test.o
+
+
@@ -0,0 +1,80 @@
+/** @file   tdmdemo1.c
+    @author M. P. Hayes, UCECE
+    @date   10 August 2011
+    @brief  Time division multiplexing of display demo
+    
+    @defgroup tdmdemo1 Time division multiplexing of display demo
+*/
+
+#include "system.h"
+#include "pacer.h"
+#include "ledmat.h"
+
+
+/* Define polling rate in Hz.  */
+#define LOOP_RATE 1000
+
+/* Define display refresh rate in Hz.  */
+#define REFRESH_RATE 1
+
+#define UPDATE_PERIOD (LOOP_RATE / (LEDMAT_COLS_NUM * REFRESH_RATE))
+
+
+int main (void)
+{
+    uint8_t col = 0;
+    uint8_t tick = 0;
+
+    system_init ();
+    ledmat_init ();
+
+    pacer_init (LOOP_RATE);
+
+    /* Paced loop.  */
+    while (1)
+    {
+        /* Wait for next tick.  */
+        pacer_wait ();
+
+        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;
+}