usb_specific_request.c File Reference

#include "conf_usb.h"
#include "usb_drv.h"
#include "usb_descriptors.h"
#include "usb_standard_request.h"
#include "usb_specific_request.h"

Functions
static void	hid_get_descriptor (uint8_t size_of_report, const uint8_t *p_usb_hid_report)
	This function manages the HID Get_Descriptor request. More...
void	usb_hid_get_idle (uint8_t u8_report_id)
	This function manages hid get idle request. More...
void	usb_hid_set_idle (uint8_t u8_report_id, uint8_t u8_duration)
	This function manages hid set idle request. More...
void	usb_user_endpoint_init (uint8_t conf_nb)
	This function configures the endpoints of the device application. More...
bool	usb_user_get_descriptor (uint8_t type, uint8_t string)
	This function returns the size and the pointer on a user information structure. More...
bool	usb_user_read_request (uint8_t type, uint8_t request)
	This function is called by the standard USB read request function when the USB request is not supported. More...

Variables
uint16_t	data_to_transfer
uint8_t	g_u8_report_rate =0
const void *	pbuffer
volatile uint8_t	usb_hid_report_mouse []

static void hid_get_descriptor ( uint8_t  size_of_report, const uint8_t *  p_usb_hid_report  )

static

This function manages the HID Get_Descriptor request.

< clear the setup received flag

< zero length packet condition

< send only requested number of data bytes

< Send data until necessary

References data_to_transfer, EP_CONTROL, EP_CONTROL_LENGTH, Is_usb_control_in_ready, Is_usb_control_out_received, Is_usb_nak_out, pbuffer, Usb_ack_control_in_ready_send, Usb_ack_control_out_received_free, Usb_ack_nak_out, Usb_ack_setup_received_free, usb_format_usb_to_mcu_data, Usb_read_endpoint_data, Usb_reset_endpoint_fifo_access, and usb_write_ep_txpacket().

Referenced by usb_user_read_request().

void usb_hid_get_idle

(

uint8_t

u8_report_id

)

This function manages hid get idle request.

Parameters

u8_report_id

0 the idle rate applies to all input reports, else only applies to the Report ID

References EP_CONTROL, g_u8_report_rate, INTERFACE_NB_MOUSE, Is_usb_control_out_received, Usb_ack_control_in_ready_send, Usb_ack_control_out_received_free, Usb_ack_setup_received_free, Usb_read_endpoint_data, and Usb_write_endpoint_data.

Referenced by usb_user_read_request().

void usb_hid_set_idle	(	uint8_t	u8_report_id,
		uint8_t	u8_duration
	)

This function manages hid set idle request.

Parameters

u8_report_id	0 the idle rate applies to all input reports, else only applies to the Report ID
u8_duration	When the upper byte of wValue is 0 (zero), the duration is indefinite else from 0.004 to 1.020 seconds

References EP_CONTROL, g_u8_report_rate, INTERFACE_NB_MOUSE, Is_usb_control_in_ready, Usb_ack_control_in_ready_send, Usb_ack_setup_received_free, and Usb_read_endpoint_data.

Referenced by usb_user_read_request().

uint16_t data_to_transfer

Referenced by hid_get_descriptor(), usb_get_descriptor(), usb_set_interface(), and usb_user_get_descriptor().

uint8_t g_u8_report_rate =0

Referenced by usb_hid_get_idle(), and usb_hid_set_idle().

const void* pbuffer

Referenced by hid_get_descriptor(), usb_get_descriptor(), usb_set_interface(), and usb_user_get_descriptor().

volatile uint8_t usb_hid_report_mouse[]