diff options
Diffstat (limited to 'nRF24L01')
| -rw-r--r-- | nRF24L01/Recv.Makefile | 43 | ||||
| -rw-r--r-- | nRF24L01/Send.Makefile | 44 | ||||
| -rw-r--r-- | nRF24L01/radio.c | 133 | ||||
| -rw-r--r-- | nRF24L01/radio.h | 19 | ||||
| -rw-r--r-- | nRF24L01/recv.c | 64 | ||||
| -rw-r--r-- | nRF24L01/send.c | 34 | ||||
| -rw-r--r-- | nRF24L01/serial.c | 33 | ||||
| -rw-r--r-- | nRF24L01/serial.h | 8 |
8 files changed, 0 insertions, 378 deletions
diff --git a/nRF24L01/Recv.Makefile b/nRF24L01/Recv.Makefile deleted file mode 100644 index 67ac41f..0000000 --- a/nRF24L01/Recv.Makefile +++ /dev/null @@ -1,43 +0,0 @@ -CC = avr-gcc -MCU = atmega328p -TARGET = recv - -SRC = radio.c recv.c serial.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/nRF24L01/Send.Makefile b/nRF24L01/Send.Makefile deleted file mode 100644 index 06e083b..0000000 --- a/nRF24L01/Send.Makefile +++ /dev/null @@ -1,44 +0,0 @@ -CC = avr-gcc -MCU = atmega328p -TARGET = send - -SRC = radio.c send.c serial.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/nRF24L01/radio.c b/nRF24L01/radio.c deleted file mode 100644 index c26e5f7..0000000 --- a/nRF24L01/radio.c +++ /dev/null @@ -1,133 +0,0 @@ -#include <stdlib.h> - -#include <avr/io.h> -#include <util/delay.h> - -#include "radio.h" -#include "serial.h" - -#define SPI_SS PB2 -#define SPI_SCK PB5 -#define SPI_MISO PB4 -#define SPI_MOSI PB3 -#define SPI_DDR DDRB -#define SPI_PORT PORTB - -#define NRF24L01_CE PB0 -#define NRF24L01_CE_DDR DDRB -#define NRF24L01_CE_PORT DDRB - -#define NRF24L01_POWER_ON_RST_DELAY 100 - -#define NRF24L01_REG_CONFIG 0x00 -#define NRF24L01_REG_EN_AA 0x01 -#define NRF24L01_REG_EN_RXADDR 0x02 -#define NRF24L01_REG_SETUP_AW 0x03 -#define NRF24L01_REG_SETUP_RETR 0x04 -#define NRF24L01_REG_RF_CH 0x05 -#define NRF24L01_REG_RF_SETUP 0x06 -#define NRF24L01_REG_STATUS 0x07 -#define NRF24L01_REG_OBSERVE_TX 0x08 -#define NRF24L01_REG_RPD 0x09 -#define NRF24L01_REG_RX_ADDR_P0 0x0A -#define NRF24L01_REG_RX_ADDR_P1 0x0B -#define NRF24L01_REG_RX_ADDR_P2 0x0C -#define NRF24L01_REG_RX_ADDR_P3 0x0D -#define NRF24L01_REG_RX_ADDR_P4 0x0E -#define NRF24L01_REG_RX_ADDR_P5 0x0F -#define NRF24L01_REG_TX_ADDR 0x10 -#define NRF24L01_REG_RX_PW_P0 0x11 -#define NRF24L01_REG_RX_PW_P1 0x12 -#define NRF24L01_REG_RX_PW_P2 0x13 -#define NRF24L01_REG_RX_PW_P3 0x14 -#define NRF24L01_REG_RX_PW_P4 0x15 -#define NRF24L01_REG_RX_PW_P5 0x16 -#define NRF24L01_REG_FIFO_STATUS 0x17 -#define NRF24L01_REG_DYNPD 0x1C -#define NRF24L01_REG_FEATURE 0x1D - -#define NRF24L01_NOP 0xFF -#define NRF24L01_R_REGISTER 0x00 -#define NRF24L01_W_REGISTER 0x20 -#define NRF24L01_R_RX_PAYLOAD 0x60 -#define NRF24L01_W_TX_PAYLOAD 0xA0 -#define NRF24L01_FLUSH_TX 0xE1 -#define NRF24L01_FLUSH_RX 0xE2 - -#define NRF24L01_MASK_RX_DR 6 -#define NRF24L01_MASK_TX_DS 5 -#define NRF24L01_MASK_MAX_RT 4 -#define NRF24L01_PWR_UP 1 -#define NRF24L01_PRIM_RX 0 -#define NRF24L01_ERX_P1 1 -#define NRF24L01_ERX_P0 0 - -static inline uint8_t read_reg(uint8_t reg) -{ - SPI_PORT &= ~(1 << SPI_SS); - SPDR = NRF24L01_R_REGISTER | reg; - while (!(SPSR & (1 << SPIF))) - ; - SPDR = 0; - while (!(SPSR & (1 << SPIF))) - ; - SPI_PORT |= (1 << SPI_SS); - return SPDR; -} - -static inline void write_reg(uint8_t reg, uint8_t val) -{ - SPI_PORT &= ~(1 << SPI_SS); - SPDR = NRF24L01_W_REGISTER | reg; - while (!(SPSR & (1 << SPIF))) - ; - SPDR = val; - while (!(SPSR & (1 << SPIF))) - ; - SPI_PORT |= (1 << SPI_SS); -} - -void radio_send(const char *data, uint8_t n) -{ -} - -uint8_t radio_recv(char *buf, uint8_t n) -{ -} - -void radio_listen(void) -{ -} - -void radio_init(const struct radio_cfg *cfg) -{ - uint8_t conf; - - SPI_DDR |= (1 << SPI_SS) | (1 << SPI_SCK) | (1 << SPI_MOSI); - SPI_PORT |= (1 << SPI_SS); - SPCR |= (1 << SPE) | (1 << MSTR); - - NRF24L01_CE_DDR |= (1 << NRF24L01_CE); - NRF24L01_CE_PORT &= ~(1 << NRF24L01_CE); - - _delay_ms(NRF24L01_POWER_ON_RST_DELAY); - - // disable IRQs, set CRC encoding scheme to 2 bytes - conf = 0; - conf |= (1 << NRF24L01_MASK_RX_DR); - conf |= (1 << NRF24L01_MASK_TX_DS); - conf |= (1 << NRF24L01_MASK_MAX_RT); - conf |= (1 << NRF24L01_CRCO); - write_reg(NRF24L01_REG_CONFIG, conf); - - // only use data pipe 0 - conf = 0; - conf &= ~(1 << NRF24L01_ERX_P1); - conf |= (1 << NRF24L01_ERX_P0); - write_reg(NRF24L01_REG_EN_RXADDR, conf); - - // set address width to 3 bytes - write_reg(NRF24L01_REG_SETUP_AW, 0x01); - - -} diff --git a/nRF24L01/radio.h b/nRF24L01/radio.h deleted file mode 100644 index a44d67e..0000000 --- a/nRF24L01/radio.h +++ /dev/null @@ -1,19 +0,0 @@ -#ifndef RADIO_H -#define RADIO_H - -#include <stdint.h> - -struct radio_cfg { - uint8_t netid; - uint8_t nodeid; -}; - -void radio_init(const struct radio_cfg *cfg); - -void radio_listen(void); - -void radio_send(const char *data, uint8_t n); - -uint8_t radio_recv(char *buf, uint8_t n); - -#endif diff --git a/nRF24L01/recv.c b/nRF24L01/recv.c deleted file mode 100644 index 1c6ac0f..0000000 --- a/nRF24L01/recv.c +++ /dev/null @@ -1,64 +0,0 @@ -#include <avr/io.h> -#include <avr/interrupt.h> - -#include "radio.h" -#include "serial.h" - -#define RX_PIN PD7 -#define RX_DDR DDRD -#define RX_PORT PORTD -#define RX_PCIE PCIE2 -#define RX_PCINT PCINT23 -#define RX_PCMSK PCMSK2 -#define RX_PCINTVEC PCINT2_vect - -#define MAX_PAYLOAD_LEN 60 - -static char *s = "hello, world!"; -static uint8_t slen = 13; - -int main(void) -{ - struct radio_cfg cfg; - - cfg.netid = 0x01; - cfg.nodeid = 0x01; - cfg.payload_len = slen; - - RX_DDR &= ~(1 << RX_PIN); - RX_PORT &= ~(1 << RX_PIN); - PCICR |= (1 << RX_PCIE); - RX_PCMSK |= (1 << RX_PCINT); - - serial_init(); - - radio_init(&cfg); - radio_listen(); - - sei(); - - for (;;) - ; - - return 0; -} - -ISR(RX_PCINTVEC) -{ - uint8_t i, n; - char buf[MAX_PAYLOAD_LEN]; - - cli(); - - serial_write_line("Detected pin change IRQ"); - - n = radio_recv(buf, MAX_PAYLOAD_LEN - 1); - buf[n] = '\0'; - - for (i = 0; i < n; i++) - serial_write(buf[i]); - serial_write('\r'); - serial_write('\n'); - - sei(); -} diff --git a/nRF24L01/send.c b/nRF24L01/send.c deleted file mode 100644 index b390cf3..0000000 --- a/nRF24L01/send.c +++ /dev/null @@ -1,34 +0,0 @@ -#include <stdlib.h> -#include <string.h> - -#include <avr/io.h> -#include <avr/interrupt.h> -#include <util/delay.h> - -#include "radio.h" -#include "serial.h" - -int main(void) -{ - uint8_t n; - struct radio_cfg cfg; - const char *s = "hello, world!"; - - n = strlen(s); - - cfg.netid = 0x01; - cfg.nodeid = 0x02; - cfg.payload_len = n; - - serial_init(); - radio_init(&cfg); - radio_set_tx_power(18); - - for (;;) { - radio_send(s, n); - serial_write_line("sent"); - _delay_ms(1500); - } - - return 0; -} diff --git a/nRF24L01/serial.c b/nRF24L01/serial.c deleted file mode 100644 index 782e848..0000000 --- a/nRF24L01/serial.c +++ /dev/null @@ -1,33 +0,0 @@ -#include <avr/io.h> -#include <util/setbaud.h> - -#include "serial.h" - -void serial_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); -} - -void serial_write(char data) -{ - while (!(UCSR0A & (1 << UDRE0))) - ; - UDR0 = data; -} - -void serial_write_line(const char *s) -{ - for (; *s; s++) - serial_write(*s); - - serial_write('\r'); - serial_write('\n'); -} diff --git a/nRF24L01/serial.h b/nRF24L01/serial.h deleted file mode 100644 index 0f9415b..0000000 --- a/nRF24L01/serial.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef SA_SERIAL_H -#define SA_SERIAL_H - -void serial_init(void); -void serial_write(char data); -void serial_write_line(const char *s); - -#endif /* SA_SERIAL_H */ |