Driver for the cyrf6936 2.4GHz radio chip. More...

#include "cyrf6936_regs.h"
#include "mcu_periph/spi.h"

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Data Structures
struct	Cyrf6936

Macros
#define	CYRF6936_MAX_BUFFER 80
	The max buffer size in the cyrf6936 structure. More...

Enumerations
enum	Cyrf6936Status { CYRF6936_UNINIT, CYRF6936_IDLE, CYRF6936_GET_MFG_ID, CYRF6936_MULTIWRITE, CYRF6936_DATA_CODE, CYRF6936_CHAN_SOP_DATA_CRC, CYRF6936_RX_IRQ_STATUS_PACKET, CYRF6936_SEND }

Functions
void	cyrf6936_init (struct Cyrf6936 cyrf, struct spi_periph spi_p, const uint8_t slave_idx, const uint32_t rst_port, const uint16_t rst_pin)
	Initializing the cyrf chip. More...

void	cyrf6936_event (struct Cyrf6936 *cyrf)
	The on event call for the CYRF6936 chip. More...

bool	cyrf6936_write (struct Cyrf6936 *cyrf, const uint8_t addr, const uint8_t data)
	Write to one register. More...

bool	cyrf6936_multi_write (struct Cyrf6936 *cyrf, const uint8_t data[][2], const uint8_t length)
	Write to multiple registers one byte. More...

bool	cyrf6936_write_chan_sop_data_crc (struct Cyrf6936 *cyrf, const uint8_t chan, const uint8_t sop_code[], const uint8_t data_code[], const uint16_t crc_seed)
	Set the channel, SOP code, DATA code and the CRC seed. More...

bool	cyrf6936_read_rx_irq_status_packet (struct Cyrf6936 *cyrf)
	Read the RX IRQ status register, the rx status register and the rx packet. More...

bool	cyrf6936_send (struct Cyrf6936 *cyrf, const uint8_t data[], const uint8_t length)
	Send a packet with a certain length. More...

Detailed Description

Driver for the cyrf6936 2.4GHz radio chip.

Definition in file cyrf6936.h.

Data Structure Documentation

struct Cyrf6936

Definition at line 48 of file cyrf6936.h.

Collaboration diagram for Cyrf6936:

Data Fields
uint8_t	buffer[CYRF6936_MAX_BUFFER]	The buffer used to write/read multiple registers.
uint8_t	buffer_idx	The index of the buffer used for MULTIWRITE and used as sub-status for other statuses.
uint8_t	buffer_length	The length of the buffer used for MULTIWRITE.
bool	has_irq	When the CYRF6936 is done reading the irq.
uint8_t	input_buf[17]	The input buffer for the SPI transaction.
uint8_t	mfg_id[6]	The manufacturer id of the CYRF6936 chip.
uint8_t	output_buf[17]	The output buffer for the SPI transaction.
uint8_t	rx_count	The length of the received packet.
uint8_t	rx_irq_status	The last receive interrupt status.
uint8_t	rx_packet[16]	The last received packet.
uint8_t	rx_status	The last receive status.
struct spi_periph *	spi_p	The SPI peripheral for the connection.
struct spi_transaction	spi_t	The SPI transaction used for the writing and reading of registers.
enum Cyrf6936Status	status	The status of the CYRF6936 chip.
uint8_t	tx_irq_status	The last send interrupt status.

Macro Definition Documentation

#define CYRF6936_MAX_BUFFER 80

The max buffer size in the cyrf6936 structure.

Definition at line 33 of file cyrf6936.h.

Enumeration Type Documentation

enum Cyrf6936Status

Enumerator
CYRF6936_UNINIT	The chip isn't initialized.
CYRF6936_IDLE	The chip is idle and can be used.
CYRF6936_GET_MFG_ID	The chip is busy with getting the manufacturer ID.
CYRF6936_MULTIWRITE	The chip is writing multiple registers.
CYRF6936_DATA_CODE	The chip is writing a data code.
CYRF6936_CHAN_SOP_DATA_CRC	The chip is setting the channel, SOP code, DATA code and the CRC seed.
CYRF6936_RX_IRQ_STATUS_PACKET	The chip is getting the receive irq status, receive status and the receive packet.
CYRF6936_SEND	The chip is busy sending a packet.

Definition at line 36 of file cyrf6936.h.

Function Documentation

void cyrf6936_event ( struct Cyrf6936 * cyrf )

The on event call for the CYRF6936 chip.

Definition at line 86 of file cyrf6936.c.

References Cyrf6936::buffer, Cyrf6936::buffer_idx, Cyrf6936::buffer_length, CYRF6936_CHAN_SOP_DATA_CRC, CYRF6936_DATA_CODE, CYRF6936_GET_MFG_ID, CYRF6936_IDLE, CYRF6936_MULTIWRITE, cyrf6936_read_block(), cyrf6936_read_register(), CYRF6936_RX_IRQ_STATUS_PACKET, CYRF6936_SEND, CYRF6936_UNINIT, cyrf6936_write_block(), cyrf6936_write_register(), CYRF_CHANNEL, CYRF_CRC_SEED_LSB, CYRF_CRC_SEED_MSB, CYRF_DATA_CODE, CYRF_MFG_ID, CYRF_RX_BUFFER, CYRF_RX_COUNT, CYRF_RX_IRQ_STATUS, CYRF_RX_STATUS, CYRF_SOP_CODE, CYRF_TX_BUFFER, CYRF_TX_CLR, CYRF_TX_CTRL, CYRF_TX_GO, CYRF_TX_IRQ_STATUS, CYRF_TX_LENGTH, CYRF_TXC_IRQEN, CYRF_TXE_IRQEN, Cyrf6936::has_irq, Cyrf6936::input_buf, Cyrf6936::mfg_id, Cyrf6936::rx_count, Cyrf6936::rx_irq_status, Cyrf6936::rx_packet, Cyrf6936::rx_status, Cyrf6936::spi_t, SPITransDone, SPITransFailed, SPITransPending, SPITransRunning, Cyrf6936::status, spi_transaction::status, and Cyrf6936::tx_irq_status.

Referenced by radio_control_impl_event().

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void cyrf6936_init	(	struct Cyrf6936 *	cyrf,
		struct spi_periph *	spi_p,
		const uint8_t	slave_idx,
		const uint32_t	rst_port,
		const uint16_t	rst_pin
	)

Initializing the cyrf chip.

Definition at line 47 of file cyrf6936.c.

References spi_transaction::bitorder, Cyrf6936::buffer_idx, spi_transaction::cdiv, spi_transaction::cpha, spi_transaction::cpol, CYRF6936_GET_MFG_ID, CYRF6936_UNINIT, cyrf6936_write_register(), CYRF_MFG_ID, spi_transaction::dss, gpio_clear(), gpio_set(), gpio_setup_output(), Cyrf6936::has_irq, Cyrf6936::input_buf, spi_transaction::input_buf, spi_transaction::input_length, Cyrf6936::output_buf, spi_transaction::output_buf, spi_transaction::output_length, spi_transaction::select, spi_transaction::slave_idx, Cyrf6936::spi_p, Cyrf6936::spi_t, SPICphaEdge1, SPICpolIdleLow, SPIDiv64, SPIDss8bit, SPIMSBFirst, SPISelectUnselect, SPITransDone, Cyrf6936::status, spi_transaction::status, and sys_time_usleep().

Referenced by superbitrf_init().

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bool cyrf6936_multi_write	(	struct Cyrf6936 *	cyrf,
		const uint8_t	data[][2],
		const uint8_t	length
	)

Write to multiple registers one byte.

Definition at line 341 of file cyrf6936.c.

References Cyrf6936::buffer, Cyrf6936::buffer_idx, Cyrf6936::buffer_length, CYRF6936_IDLE, CYRF6936_MULTIWRITE, cyrf6936_write_register(), and Cyrf6936::status.

Referenced by cyrf6936_write(), superbitrf_event(), and superbitrf_receive_packet_cb().

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bool cyrf6936_read_rx_irq_status_packet ( struct Cyrf6936 * cyrf )

Read the RX IRQ status register, the rx status register and the rx packet.

Definition at line 412 of file cyrf6936.c.

References Cyrf6936::buffer_idx, CYRF6936_IDLE, cyrf6936_read_register(), CYRF6936_RX_IRQ_STATUS_PACKET, CYRF_RX_IRQ_STATUS, and Cyrf6936::status.

Referenced by superbitrf_event().

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bool cyrf6936_send	(	struct Cyrf6936 *	cyrf,
		const uint8_t	data[],
		const uint8_t	length
	)

Send a packet with a certain length.

Definition at line 432 of file cyrf6936.c.

References Cyrf6936::buffer, Cyrf6936::buffer_idx, CYRF6936_IDLE, CYRF6936_SEND, cyrf6936_write_register(), CYRF_TX_LENGTH, and Cyrf6936::status.

Referenced by superbitrf_event().

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bool cyrf6936_write	(	struct Cyrf6936 *	cyrf,
		const uint8_t	addr,
		const uint8_t	data
	)

Write to one register.

Definition at line 330 of file cyrf6936.c.

References cyrf6936_multi_write().

Referenced by superbitrf_event().

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bool cyrf6936_write_chan_sop_data_crc	(	struct Cyrf6936 *	cyrf,
		const uint8_t	chan,
		const uint8_t	sop_code[],
		const uint8_t	data_code[],
		const uint16_t	crc_seed
	)

Set the channel, SOP code, DATA code and the CRC seed.

Definition at line 373 of file cyrf6936.c.

References Cyrf6936::buffer, Cyrf6936::buffer_idx, CYRF6936_CHAN_SOP_DATA_CRC, CYRF6936_IDLE, cyrf6936_write_register(), CYRF_CRC_SEED_LSB, and Cyrf6936::status.

Referenced by superbitrf_event().

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Data Structures

Macros

Enumerations

Functions

Detailed Description

Data Structure Documentation

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation