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Add new USB_Host_SetInterfaceAltSetting() convenience function.

This commit is contained in:
Dean Camera 2011-05-27 07:33:58 +00:00
parent 348bf33b18
commit cc9b190919
7 changed files with 68 additions and 24 deletions
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11
Demos/Host/LowLevel/PrinterHost/PrinterHost.c
View File

@ -177,16 +177,7 @@ void USB_Printer_Host(void)
* request to switch to the interface alternate setting with the Bidirectional protocol */
if (PrinterAltSetting)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
.bRequest = REQ_SetInterface,
.wValue = PrinterAltSetting,
.wIndex = PrinterInterfaceNumber,
.wLength = 0,
};
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PrinterInterfaceNumber, PrinterAltSetting)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Set Interface).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);

18
LUFA/Drivers/USB/Class/Host/Printer.c
View File

@ -181,19 +181,11 @@ uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInte
{
uint8_t ErrorCode;
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
.bRequest = REQ_SetInterface,
.wValue = PRNTInterfaceInfo->State.AlternateSetting,
.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PRNTInterfaceInfo->State.InterfaceNumber,
PRNTInterfaceInfo->State.AlternateSetting)) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
}
return HOST_SENDCONTROL_Successful;

17
LUFA/Drivers/USB/Core/AVR8/Host_AVR8.c
View File

@ -351,5 +351,22 @@ uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointNum)
return USB_Host_SendControlRequest(NULL);
}
uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceNum,
const uint8_t AltSetting)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
.bRequest = REQ_SetInterface,
.wValue = AltSetting,
.wIndex = InterfaceNum,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
#endif

13
LUFA/Drivers/USB/Core/AVR8/Host_AVR8.h
View File

@ -330,6 +330,19 @@
*/
uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointIndex);
/** Selects a given alternative setting for the specfied interface, via a SET INTERFACE standard request to
* the attached device.
*
* \note After this routine returns, the control pipe will be selected.
*
* \param[in] InterfaceIndex Index of the interface whose alternative setting is to be altered.
* \param[in] AltSetting Index of the interface's alternative setting which is to be selected.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
*/
uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceNum,
const uint8_t AltSetting);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */

17
LUFA/Drivers/USB/Core/UC3/Host_UC3.c
View File

@ -351,5 +351,22 @@ uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointNum)
return USB_Host_SendControlRequest(NULL);
}
uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceNum,
const uint8_t AltSetting)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE),
.bRequest = REQ_SetInterface,
.wValue = AltSetting,
.wIndex = InterfaceNum,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
#endif

13
LUFA/Drivers/USB/Core/UC3/Host_UC3.h
View File

@ -331,6 +331,19 @@
*/
uint8_t USB_Host_ClearPipeStall(const uint8_t EndpointIndex);
/** Selects a given alternative setting for the specfied interface, via a SET INTERFACE standard request to
* the attached device.
*
* \note After this routine returns, the control pipe will be selected.
*
* \param[in] InterfaceIndex Index of the interface whose alternative setting is to be altered.
* \param[in] AltSetting Index of the interface's alternative setting which is to be selected.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result.
*/
uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceNum,
const uint8_t AltSetting);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */

3
LUFA/ManPages/ChangeLog.txt
View File

@ -11,7 +11,7 @@
* - Core:
* - Added USE_LUFA_CONFIG_HEADER compile time option to include a LUFAConfig.h header in the user director for LUFA configuration
* tokens as an alternative to tokens defined in the project makefile
* - Added new RNDIS Device Classs Driver packet send and receive functions
* - Added new USB_Host_SetInterfaceAltSetting() convenience function for the selection of an interface's alternative setting
* - Library Applications:
* - Added new MediaControl project
* - Added new incomplete AndroidAccessoryHost Host LowLevel demo
@ -50,6 +50,7 @@
* - Internal restructuring for eventual multiple architecture ports
* - Added AVR32 UC3 architecture port (currently incomplete/experimental)
* - Added new architecture independant functions to enable, disable, save and restore the Global Interrupt Enable flags
* - Added new RNDIS Device Classs Driver packet send and receive functions
* - Library Applications:
* - Added ability to write protect Mass Storage disk write operations from the host OS
* - Added new MIDIToneGenerator project