Форум РадиоКот

Код: Выделить всё

void UART_Init(void)
{
	UBRRH = UBRRH_VALUE;
	UBRRL = UBRRL_VALUE;
	UCSRB = (1 << TXEN) | (1 << RXEN);
	UCSRC = (1 << USBS) | (3 << UCSZ0);
	stdin = &UART_console;
	stdout = &UART_console;
}

Код: Выделить всё

void getstring(char *a, char size){
	char ch, i = 0;
	do{
		//ch = fgetc(stdin);
		//ch = getchar(stdin);
		while ( !(UCSRA & (1<<RXC)) )
			ch = UDR;

		if(ch == '\n' || ch == '\r') ch = '\0';

		if(i == size) ch = '\0';
		
		a[(int)i] = ch;
		i++;

	} while(ch != '\0' && i <= size);
}

Код: Выделить всё

puts("Hello\r");
char a[bufersize];
getstring(a, bufersize);
//puts(a);

Код: Выделить всё

//ch = fgetc(stdin);
//ch = getchar(stdin);
while ( !(UCSRA & (1<<RXC)) )
	ch = UDR;

Код: Выделить всё

...
# Target file name (without extension).
TARGET = main


# Object files directory
#     To put object files in current directory, use a dot (.), do NOT make
#     this an empty or blank macro!
OBJDIR = .


# List C source files here. (C dependencies are automatically generated.)
SRC = $(TARGET).c


# List C++ source files here. (C dependencies are automatically generated.)
CPPSRC = 
...

Код: Выделить всё

# List C source files here. (C dependencies are automatically generated.)
SRC = $(TARGET).c uart.c 

Код: Выделить всё

TARGET         = rom_winavr_mob
F_CPU = 20000000
CSRC           = main.c  lmx2322.c
ASRC           = 
MCU_TARGET     = atmega48
OPTIMIZE       = -Os -mcall-prologues
DEFS           = 
LIBS           =
DEBUG          = dwarf-2

CC             = avr-gcc
ASFLAGS        = -Wa,-adhlns=$(<:.S=.lst),-gstabs $(DEFS)
ALL_ASFLAGS    = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
CFLAGS         = -g$(DEBUG) -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
LDFLAGS        = -Wl,-Map,$(TARGET).map
OBJ            = $(CSRC:.c=.o) $(ASRC:.S=.o)

OBJCOPY        = avr-objcopy
OBJDUMP        = avr-objdump
SIZE           = avr-size


all:	clean $(TARGET).elf lst text size

$(TARGET).elf: $(OBJ)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)


clean:
	rm -rf *.o $(TARGET).elf *.eps *.bak *.a
	rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
	rm -rf $(TARGET).hex

size: $(TARGET).elf
	$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf

lst:  $(TARGET).lst
%.lst: %.elf
	$(OBJDUMP) -h -S $< > $@

%.o : %.S
	$(CC) -c $(ALL_ASFLAGS) $< -o $@

text: hex
hex:  $(TARGET).hex

%.hex: %.elf
	$(OBJCOPY) -j .text -j .data -O ihex $< $@