esp770u.c File Reference

Implementation of esp770u sensor initialization. More...

#include "util/u_logging.h"
#include "uvc/uvc_interface.h"
#include "esp770u.h"
#include <errno.h>
#include <string.h>

Include dependency graph for esp770u.c:

Macros
#define	ESP770U_EXTENSION_UNIT   4
#define	ESP770U_SELECTOR_I2C   2
#define	ESP770U_SELECTOR_REG   3
#define	ESP770U_SELECTOR_COUNTER   10
#define	ESP770U_SELECTOR_CONTROL   11
#define	ESP770U_SELECTOR_DATA   12
#define	XU_ENTITY   ESP770U_EXTENSION_UNIT
#define	REG_SEL   ESP770U_SELECTOR_REG
#define	CONTROL_SEL   ESP770U_SELECTOR_CONTROL
#define	DATA_SEL   ESP770U_SELECTOR_DATA
#define	ESP_DEBUG   0
#define	esp770u_read_reg(d, r, v)   rift_sensor_esp770u_read_reg((d), 0xf0, (r), (v))
#define	esp770u_read_reg_f1(d, r, v)   rift_sensor_esp770u_read_reg((d), 0xf1, (r), (v))
#define	esp770u_write_reg(d, r, v)   rift_sensor_esp770u_write_reg((d), 0xf0, (r), (v))
#define	esp770u_write_reg_f1(d, r, v)   rift_sensor_esp770u_write_reg((d), 0xf1, (r), (v))

Functions
static int	set_get_verify_a0 (libusb_device_handle *dev, uint8_t val, uint8_t retval)
static int	esp770u_get_counter (libusb_device_handle *devh, uint8_t *count)
static int	esp770u_set_counter (libusb_device_handle *devh, uint8_t count)
static int	esp770u_spi_set_control (libusb_device_handle *devh, uint8_t a, size_t len)
static int	esp770u_spi_set_data (libusb_device_handle *devh, uint8_t *data, size_t len)
static int	esp770u_spi_get_data (libusb_device_handle *devh, uint8_t *data, size_t len)
static int	radio_write (libusb_device_handle *devhandle, const uint8_t *buf, size_t len)
static int	rift_sensor_esp770u_read_reg (libusb_device_handle *dev, uint8_t reg_block, uint8_t reg, uint8_t *val)
static int	rift_sensor_esp770u_write_reg (libusb_device_handle *dev, uint8_t reg_block, uint8_t reg, uint8_t val)
int	rift_sensor_esp770u_flash_read (libusb_device_handle *devh, uint32_t addr, uint8_t *data, uint16_t len)
	Reads a buffer from the flash storage.
int	rift_sensor_esp770u_setup_radio (libusb_device_handle *devhandle, const uint8_t radio_id[5])
	Sets up the radio with the given ID.
int	rift_sensor_esp770u_init_regs (libusb_device_handle *devhandle)
	Initial register setup, only after camera plugin.
int	rift_sensor_esp770u_init_jpeg (libusb_device_handle *devhandle)
	Extra initialisation sent after UVC config when in USB2 / MJPEG mode.

Detailed Description

Implementation of esp770u sensor initialization.

Author

Philipp Zabel phili.nosp@m.pp.z.nosp@m.abel@.nosp@m.gmai.nosp@m.l.com

Jan Schmidt jan@c.nosp@m.entr.nosp@m.icula.nosp@m.r.co.nosp@m.m

Beyley Cardellio ep1cm.nosp@m.1n10.nosp@m.n123@.nosp@m.gmai.nosp@m.l.com

Function Documentation

rift_sensor_esp770u_flash_read()

int rift_sensor_esp770u_flash_read	(	libusb_device_handle *	devh,
		uint32_t	addr,
		uint8_t *	data,
		uint16_t	len
	)

Reads a buffer from the flash storage.

Parameters

[in]	devh	libusb device handle
[in]	addr	Address to read from
[out]	data	Buffer to read into
[in]	len	Number of bytes to read

Returns

0 on success, negative error code on failure

rift_sensor_esp770u_init_jpeg()

int rift_sensor_esp770u_init_jpeg

(

libusb_device_handle *

devhandle

)

Extra initialisation sent after UVC config when in USB2 / MJPEG mode.

Parameters

[in]

devhandle

libusb device handle

Returns

0 on success, negative error code on failure

rift_sensor_esp770u_init_regs()

int rift_sensor_esp770u_init_regs

(

libusb_device_handle *

devhandle

)

Initial register setup, only after camera plugin.

Parameters

[in]

devhandle

libusb device handle

Returns

0 on success, negative error code on failure

References U_LOG_W.

rift_sensor_esp770u_setup_radio()

int rift_sensor_esp770u_setup_radio	(	libusb_device_handle *	devhandle,
		const uint8_t	radio_id[5]
	)

Sets up the radio with the given ID.

Parameters

[in]	devhandle	libusb device handle
[in]	radio_id	5-byte radio ID

Returns

0 on success, negative error code on failure