diff --git a/mendel/Makefile b/mendel/Makefile index f6c5c77..3808d03 100644 --- a/mendel/Makefile +++ b/mendel/Makefile @@ -63,8 +63,10 @@ all: $(PROGRAM).hex $(PROGRAM).lst size program: $(PROGRAM).hex stty $(PROGBAUD) raw ignbrk hup < $(PROGPORT) + @sleep 0.1 + @stty $(PROGBAUD) raw ignbrk hup < $(PROGPORT) $(AVRDUDE) -cstk500v1 -b$(PROGBAUD) -p$(MCU_TARGET) -P$(PROGPORT) -C/etc/avrdude.conf -U flash:w:$^ - stty 57600 raw ignbrk -hup -echo ixon < $(PROGPORT) + stty 115200 raw ignbrk -hup -echo ixon < $(PROGPORT) clean: rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex *.al *.i *.s *~ @@ -73,16 +75,21 @@ size: $(PROGRAM).hex @objdump -h mendel.elf | perl -ne '/.(data|text)\s+([0-9a-f]+)/ && do { $$a += eval "0x$$2" }; END { printf "%d bytes (%d%% of %dkb)\n", $$a, $$a * 100 / 16384, 16 }' %.o: %.c - $(CC) -c $(CFLAGS) -Wa,-adhlns=$(<:.c=.al) -o $@ $^ + @echo " CC $@" + @$(CC) -c $(CFLAGS) -Wa,-adhlns=$(<:.c=.al) -o $@ $^ %.elf: $(OBJ) - $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) + @echo " LINK $@" + @$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS) %.lst: %.elf - $(OBJDUMP) -h -S $< > $@ + @echo " OBJDUMP $@" + @$(OBJDUMP) -h -S $< > $@ %.hex: %.elf - $(OBJCOPY) -j .text -j .data -O ihex $< $@ + @echo " OBJCOPY $@" + @$(OBJCOPY) -j .text -j .data -O ihex $< $@ %.bin: %.elf - $(OBJCOPY) -j .text -j .data -O binary $< $@ + @echo " OBJCOPY $@" + @$(OBJCOPY) -j .text -j .data -O binary $< $@ diff --git a/mendel/serial.c b/mendel/serial.c index c431bce..366e96e 100644 --- a/mendel/serial.c +++ b/mendel/serial.c @@ -4,7 +4,7 @@ #include "arduino.h" #define BUFSIZE 64 + sizeof(ringbuffer) -#define BAUD 57600 +#define BAUD 115200 #define ASCII_XOFF 19 #define ASCII_XON 17 @@ -26,11 +26,19 @@ void serial_init() ringbuffer_init(rx_buffer, BUFSIZE); ringbuffer_init(tx_buffer, BUFSIZE); +#if BAUD > 38401 + UCSR0A = MASK(U2X0); +#else UCSR0A = 0; +#endif UCSR0B = (1 << RXEN0) | (1 << TXEN0); UCSR0C = (1 << UCSZ01) | (1 << UCSZ00); - UBRR0 = ((F_CPU / 16) / BAUD) - 1; +#if BAUD > 38401 + UBRR0 = (((F_CPU / 8) / BAUD) - 0.5); +#else + UBRR0 = (((F_CPU / 16) / BAUD) - 0.5); +#endif UCSR0B |= (1 << RXCIE0) | (1 << UDRIE0); }