usb_standard_request.h File Reference

This file contains the USB endpoint 0 management routines corresponding to the standard enumeration process (refer to chapter 9 of the USB specification. This file calls routines of the usb_specific_request.c file for non-standard request management. The enumeration parameters (descriptor tables) are contained in the usb_descriptors.c file. More...

#include "usb_task.h"
#include "usb_descriptors.h"

Go to the source code of this file.

Defines
#define	Is_device_enumerated()   ((usb_configuration_nb!=0) ? TRUE : FALSE)
	Returns true when device connected and correctly enumerated with an host.
Functions
void	usb_process_request (void)
	usb_process_request.

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Detailed Description

This file contains the USB endpoint 0 management routines corresponding to the standard enumeration process (refer to chapter 9 of the USB specification. This file calls routines of the usb_specific_request.c file for non-standard request management. The enumeration parameters (descriptor tables) are contained in the usb_descriptors.c file.

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Definition in file usb_standard_request.h.

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Define Documentation

 

#define Is_device_enumerated

(

)

((usb_configuration_nb!=0) ? TRUE : FALSE)

Returns true when device connected and correctly enumerated with an host.

The device high level application should tests this before performing any applicative requests

Definition at line 78 of file usb_standard_request.h.

Referenced by PROCESS_THREAD().

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Function Documentation

void usb_process_request

(

void

)

usb_process_request.

This function reads the SETUP request sent to the default control endpoint and calls the appropriate function. When exiting of the usb_read_request function, the device is ready to manage the next request.

Note:

list of supported requests: GET_DESCRIPTOR GET_CONFIGURATION SET_ADDRESS SET_CONFIGURATION CLEAR_FEATURE SET_FEATURE GET_STATUS

< un-supported request => call to user read request

Definition at line 118 of file usb_standard_request.c.

References CLEAR_FEATURE, Is_usb_receive_setup, SET_FEATURE, Usb_ack_in_ready, Usb_ack_receive_out, Usb_ack_receive_setup, Usb_enable_stall_handshake, Usb_read_byte, Usb_select_endpoint, and usb_user_read_request().

Referenced by usb_mass_storage_csw().