First test of keypad software - the LEDs work.

master
q3k 2013-09-15 12:12:44 +02:00
parent 062430e3c2
commit b36b0ecfd1
2 changed files with 161 additions and 0 deletions

102
software/keypad/Makefile Normal file
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PRG = uart_hello
OBJ = main.o
PROGRAMMER = buspirate
PORT = /dev/ttyACM0
MCU_TARGET = atmega8
AVRDUDE_TARGET = atmega8
OPTIMIZE = -Os
DEFS =
LIBS =
HZ = 20000000
# You should not have to change anything below here.
CC = avr-gcc
# Override is only needed by avr-lib build system.
override CFLAGS = -g -DF_CPU=$(HZ) -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
override LDFLAGS = -Wl,-Map,$(PRG).map
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
all: $(PRG).elf lst text #eeprom
$(PRG).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o $(PRG).elf *.eps *.png *.pdf *.bak *.hex *.bin *.srec
rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
lst: $(PRG).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
# Rules for building the .text rom images
text: hex bin srec
hex: $(PRG).hex
bin: $(PRG).bin
srec: $(PRG).srec
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@
%.srec: %.elf
$(OBJCOPY) -j .text -j .data -O srec $< $@
%.bin: %.elf
$(OBJCOPY) -j .text -j .data -O binary $< $@
# Rules for building the .eeprom rom images
eeprom: ehex ebin esrec
ehex: $(PRG)_eeprom.hex
#ebin: $(PRG)_eeprom.bin
esrec: $(PRG)_eeprom.srec
%_eeprom.hex: %.elf
$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
#%_eeprom.srec: %.elf
# $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@
%_eeprom.bin: %.elf
$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@
# command to program chip (invoked by running "make install")
install: $(PRG).hex
avrdude -p $(AVRDUDE_TARGET) -c $(PROGRAMMER) -P $(PORT) -v \
-U flash:w:$(PRG).hex
# hack: turn on the buspirate PSU
echo -e "m5\n\n\n\n\n\n\n\nW" > /dev/ttyACM0
fuse:
avrdude -p $(AVRDUDE_TARGET) -c $(PROGRAMMER) -P $(PORT) -v \
-U lfuse:w:0xc6:m -U hfuse:w:0xd9:m
ddd: gdbinit
ddd --debugger "avr-gdb -x $(GDBINITFILE)"
gdbserver: gdbinit
simulavr --device $(MCU_TARGET) --gdbserver
gdbinit: $(GDBINITFILE)
$(GDBINITFILE): $(PRG).hex
@echo "file $(PRG).elf" > $(GDBINITFILE)
@echo "target remote localhost:1212" >> $(GDBINITFILE)
@echo "load" >> $(GDBINITFILE)
@echo "break main" >> $(GDBINITFILE)
@echo
@echo "Use 'avr-gdb -x $(GDBINITFILE)'"

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software/keypad/main.c Normal file
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#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
/////////////////////
// I/O ports setup //
/////////////////////
typedef struct
{
volatile uint8_t *DDR;
volatile uint8_t *PORT;
volatile uint8_t *PIN;
uint8_t Bitmap;
} TIOPort;
#define DECLARE_IO(name, port, bit) TIOPort g_IO_##name = { &DDR##port, &PORT##port, &PIN##port, (1 << bit) }
#define IO_SET_OUTPUT(name) do { *g_IO_##name.DDR |= g_IO_##name.Bitmap; } while(0)
#define IO_SET_INPUT(name) do { *g_IO_##name.DDR &= ~g_IO_##name.Bitmap; } while(0)
#define IO_INPUT_PULLUP(name) do { *g_IO_##name.PORT |= g_IO_##name.Bitmap; } while(0)
#define IO_OUT(name, value) do { if (value) \
*g_IO_##name.PORT |= g_IO_##name.Bitmap; \
else \
*g_IO_##name.PORT &= ~g_IO_##name.Bitmap; } while(0)
#define IO_TOGGLE(name) do { *g_IO_##name.PORT ^= g_IO_##name.Bitmap; } while(0)
#define IO_IN(name) (*g_IO_##name.PIN & g_IO_##name.Bitmap)
// Buzzer on PC2
DECLARE_IO(BUZZER, C, 2);
// Red LED pn PC1
DECLARE_IO(LED_RED, C, 1);
// Green LED on PC0
DECLARE_IO(LED_GREEN, C, 0);
// Keypad
DECLARE_IO(KPAD_COL3, D, 0);
DECLARE_IO(KAPD_ROW3, D, 1);
DECLARE_IO(KPAD_COMMON, D, 2);
DECLARE_IO(KPAD_COL2, D, 3);
DECLARE_IO(KPAD_ROW1, D, 4);
DECLARE_IO(KPAD_ROW2, D, 5);
DECLARE_IO(KPAD_ROW4, D, 6);
DECLARE_IO(KPAD_COL1, D, 7);
int main (void)
{
// Setup outputs
IO_SET_OUTPUT(BUZZER);
IO_SET_OUTPUT(LED_RED);
IO_SET_OUTPUT(LED_GREEN);
IO_OUT(LED_GREEN, 1);
IO_OUT(LED_RED, 1);
for (;;) {}
return 0;
}