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

#include "cyrf6936.h"
#include "mcu_periph/spi.h"
#include "mcu_periph/gpio.h"
#include "mcu_periph/sys_time.h"
#include "modules/radio_control/radio_control.h"
#include "mcu_periph/uart.h"
#include "pprzlink/messages.h"
#include "modules/datalink/downlink.h"

Include dependency graph for cyrf6936.c:

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Functions
static bool	cyrf6936_write_register (struct Cyrf6936 *cyrf, const uint8_t addr, const uint8_t data)
	Write a byte to a register. More...

static bool	cyrf6936_write_block (struct Cyrf6936 *cyrf, const uint8_t addr, const uint8_t data[], const uint8_t length)
	Write multiple bytes to a register. More...

static bool	cyrf6936_read_register (struct Cyrf6936 *cyrf, const uint8_t addr)
	Read a byte from a register. More...

static bool	cyrf6936_read_block (struct Cyrf6936 *cyrf, const uint8_t addr, const uint8_t length)
	Read multiple bytes from a register. More...

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.c.

Function Documentation

◆ cyrf6936_event()

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, spi_transaction::status, Cyrf6936::status, and Cyrf6936::tx_irq_status.

Referenced by superbitrf_rc_event().

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◆ cyrf6936_init()

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, spi_transaction::input_buf, Cyrf6936::input_buf, spi_transaction::input_length, spi_transaction::output_buf, Cyrf6936::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, spi_transaction::status, Cyrf6936::status, and sys_time_usleep().

Referenced by superbitrf_init().

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◆ cyrf6936_multi_write()

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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◆ cyrf6936_read_block()

static bool cyrf6936_read_block	(	struct Cyrf6936 *	cyrf,
		const uint8_t	addr,
		const uint8_t	length
	)

static

Read multiple bytes from a register.

Definition at line 312 of file cyrf6936.c.

References spi_transaction::input_length, Cyrf6936::output_buf, spi_transaction::output_length, Cyrf6936::spi_p, spi_submit(), Cyrf6936::spi_t, SPITransDone, and spi_transaction::status.

Referenced by cyrf6936_event(), and cyrf6936_read_register().

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◆ cyrf6936_read_register()

static bool cyrf6936_read_register	(	struct Cyrf6936 *	cyrf,
		const uint8_t	addr
	)

static

Read a byte from a register.

Definition at line 304 of file cyrf6936.c.

References cyrf6936_read_block().

Referenced by cyrf6936_event(), and cyrf6936_read_rx_irq_status_packet().

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◆ cyrf6936_read_rx_irq_status_packet()

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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◆ cyrf6936_send()

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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◆ cyrf6936_write()

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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◆ cyrf6936_write_block()

static bool cyrf6936_write_block	(	struct Cyrf6936 *	cyrf,
		const uint8_t	addr,
		const uint8_t	data[],
		const uint8_t	length
	)

static

Write multiple bytes to a register.

Definition at line 278 of file cyrf6936.c.

References CYRF_DIR, spi_transaction::input_length, Cyrf6936::output_buf, spi_transaction::output_length, Cyrf6936::spi_p, spi_submit(), Cyrf6936::spi_t, SPITransDone, and spi_transaction::status.

Referenced by cyrf6936_event(), and cyrf6936_write_register().

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◆ cyrf6936_write_chan_sop_data_crc()

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
	)