smart-home/weather-sensor/firmware/nrf24l01.h

#ifndef NRF24L01_H
#define NRF24L01_H



/* AVR I/O pin definionts */
#define NRF_CE_DDR   DDRD
#define NRF_CE_PORT  PORTD
#define NRF_CE_PIN   PD7

#define NRF_CSN_DDR   DDRD
#define NRF_CSN_PORT  PORTD
#define NRF_CSN_PIN   PD6

#define NRF_IRQ_DDR     DDRD
#define NRF_IRQ_PORT    PORTD
#define NRF_IRQ_PIN     PD5
#define NRF_IRQ_PORTIN  PIND

void Initialize_NRF24L01(void);
void Set_NRF24L01_Pins(void);
void Configure_Transmission(uint8_t moduleId);
uint8_t Read_NRF_Status_Register(void);
uint8_t Read_NRF_Register(uint8_t address, uint8_t * registerContents);
void Write_NRF_Register(uint8_t address, uint8_t registerContents);
void Send_Activate_Command(void);

void NRF24L01_Send_Message(uint8_t *buffer, uint8_t length);
void Write_Message_To_TX_FIFO(uint8_t length, uint8_t * buffer);
void Set_TX_Address(uint8_t * txAddress, uint8_t length);
void Set_RX_P0_Address(uint8_t * rxAddress, uint8_t length);

typedef struct __attribute__ ((packed)) DATA_PACKET
{
	uint8_t senderId;
	uint32_t pressure;
	int32_t temperature;
	uint32_t humidity;
} DATA_PACKET;

#endif