diff options
| -rw-r--r-- | door_lock/Servo.Makefile (renamed from door_lock/Makefile) | 0 | ||||
| -rw-r--r-- | rf_test/Recv.Makefile | 43 | ||||
| -rw-r--r-- | rf_test/Send.Makefile | 44 | ||||
| -rw-r--r-- | rf_test/recv.c | 85 | ||||
| -rw-r--r-- | rf_test/send.c | 77 |
5 files changed, 249 insertions, 0 deletions
diff --git a/door_lock/Makefile b/door_lock/Servo.Makefile index 018960a..018960a 100644 --- a/door_lock/Makefile +++ b/door_lock/Servo.Makefile diff --git a/rf_test/Recv.Makefile b/rf_test/Recv.Makefile new file mode 100644 index 0000000..a517111 --- /dev/null +++ b/rf_test/Recv.Makefile @@ -0,0 +1,43 @@ +CC = avr-gcc +MCU = atmega328p +TARGET = recv + +SRC = recv.c +OBJ = $(SRC:.c=.o) + +CFLAGS = -std=gnu99 +CFLAGS += -Os +CFLAGS += -Wall +CFLAGS += -mmcu=$(MCU) +CFLAGS += -DBAUD=115200 +CFLAGS += -DF_CPU=16000000UL +CFLAGS += -ffunction-sections -fdata-sections + +LDFLAGS = -mmcu=$(MCU) +LDFLAGS += -Wl,--gc-sections + +HEX_FLAGS = -O ihex +HEX_FLAGS += -j .text -j .data + +AVRDUDE_FLAGS = -p $(MCU) +AVRDUDE_FLAGS += -c arduino +AVRDUDE_FLAGS += -P /dev/cuaU0 +AVRDUDE_FLAGS += -D -U + +%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +elf: $(OBJ) + $(CC) $(LDFLAGS) $(OBJ) -o $(TARGET).elf + +hex: elf + avr-objcopy $(HEX_FLAGS) $(TARGET).elf $(TARGET).hex + +upload: hex + avrdude $(AVRDUDE_FLAGS) flash:w:$(TARGET).hex:i + +.PHONY: clean + +clean: + rm *.o *.elf *.hex + diff --git a/rf_test/Send.Makefile b/rf_test/Send.Makefile new file mode 100644 index 0000000..f4d4511 --- /dev/null +++ b/rf_test/Send.Makefile @@ -0,0 +1,44 @@ +CC = avr-gcc +MCU = atmega328p +TARGET = send + +SRC = send.c +OBJ = $(SRC:.c=.o) + +CFLAGS = -std=gnu99 +CFLAGS += -Os +CFLAGS += -Wall +CFLAGS += -mmcu=$(MCU) +CFLAGS += -DBAUD=115200 +CFLAGS += -DF_CPU=16000000UL +CFLAGS += -ffunction-sections -fdata-sections + +LDFLAGS = -mmcu=$(MCU) +LDFLAGS += -Wl,--gc-sections + +HEX_FLAGS = -O ihex +HEX_FLAGS += -j .text -j .data + +AVRDUDE_FLAGS = -p $(MCU) +AVRDUDE_FLAGS += -c arduino +AVRDUDE_FLAGS += -P /dev/cuaU0 +AVRDUDE_FLAGS += -D -U + +%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +elf: $(OBJ) + $(CC) $(LDFLAGS) $(OBJ) -o $(TARGET).elf + +hex: elf + avr-objcopy $(HEX_FLAGS) $(TARGET).elf $(TARGET).hex + +upload: hex + avrdude $(AVRDUDE_FLAGS) flash:w:$(TARGET).hex:i + +.PHONY: clean + +clean: + rm *.o *.elf *.hex + + diff --git a/rf_test/recv.c b/rf_test/recv.c new file mode 100644 index 0000000..e5764a7 --- /dev/null +++ b/rf_test/recv.c @@ -0,0 +1,85 @@ +#include <avr/io.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include <util/setbaud.h> + +#define LOCK_LED PD6 +#define UNLOCK_LED PD7 + +#define SYN 0xA4 +#define ADDR 0x01 +#define LOCK_CMD 0x02 +#define UNLOCK_CMD 0x03 + +static void usart_init(void) +{ + UBRR0H = UBRRH_VALUE; + UBRR0L = UBRRL_VALUE; +#if USE_2X + UCSR0A |= (1 << U2X0); +#else + UCSR0A &= ~(1 << U2X0); +#endif + UCSR0B = (1 << TXEN0) | (1 << RXEN0); + UCSR0C = (1 << UCSZ01) | (1 << UCSZ00); +} + +static unsigned char usart_recv(void) +{ + while((UCSR0A & (1 << RXC0)) == 0); + return UDR0; +} + +static void led_init(void) +{ + DDRD |= (1 << LOCK_LED) | (1 << UNLOCK_LED); + PORTD |= (1 << LOCK_LED) | (1 << UNLOCK_LED); +} + +int main(void) +{ + usart_init(); + led_init(); + + sei(); + + for (;;) + ; + + return 0; +} + +static inline int is_btn_pressed(unsigned char btn) +{ + if (!((PIND >> btn) & 0x01)) { + _delay_us(2000); + return !((PIND >> btn) & 0x01); + } + + return 0; +} + +ISR(USART_RX_vect) +{ + unsigned char addr, data, chk; + + addr = usart_recv(); + data = usart_recv(); + chk = usart_recv(); + + if(chk == (addr + data)) + { + if(addr == ADDR) + { + if(data == LOCK_CMD) { + PORTC |= (1 << LOCK_LED); + PORTC &= ~(1 << UNLOCK_LED); + + } else if (data == UNLOCK_LED) { + PORTC |= (1 << UNLOCK_LED); + PORTC &= ~(1 << LOCK_LED); + } + } + } + +} diff --git a/rf_test/send.c b/rf_test/send.c new file mode 100644 index 0000000..017d67b --- /dev/null +++ b/rf_test/send.c @@ -0,0 +1,77 @@ +#include <avr/io.h> +#include <avr/interrupt.h> +#include <util/delay.h> +#include <util/setbaud.h> + +#define LOCK_BTN PD6 +#define UNLOCK_BTN PD7 + +#define SYN 0xA4 +#define ADDR 0x01 +#define LOCK_CMD 0x02 +#define UNLOCK_CMD 0x03 + +static void usart_init(void) +{ + UBRR0H = UBRRH_VALUE; + UBRR0L = UBRRL_VALUE; +#if USE_2X + UCSR0A |= (1 << U2X0); +#else + UCSR0A &= ~(1 << U2X0); +#endif + UCSR0B = (1 << TXEN0) | (1 << RXEN0); + UCSR0C = (1 << UCSZ01) | (1 << UCSZ00); +} + +static void usart_send(unsigned char data) +{ + while (!(UCSR0A & (1 << UDRE0))) + ; + UDR0 = data; +} + +int main(void) +{ + usart_init(); + + for (;;) + ; + + return 0; +} + +static inline int is_btn_pressed(unsigned char btn) +{ + if (!((PIND >> btn) & 0x01)) { + _delay_us(2000); + return !((PIND >> btn) & 0x01); + } + + return 0; +} + +static inline void lock(void) +{ + usart_send(SYN); + usart_send(ADDR); + usart_send(LOCK_CMD); + usart_send(LOCK_CMD + ADDR); +} + +static inline void unlock(void) +{ + usart_send(SYN); + usart_send(ADDR); + usart_send(UNLOCK_CMD); + usart_send(UNLOCK_CMD + ADDR); +} + +ISR(PCINT2_vect) +{ + if (is_btn_pressed(LOCK_BTN)) + lock(); + + if (is_btn_pressed(UNLOCK_BTN)) + unlock(); +} |