/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_class_audio_set_max_graphic_eq
* Returned Value : USB_OK if command has been passed on USB
* Comments :
* This function is called by the application to send max graphic equalizer value
* to the audio device
*END*--------------------------------------------------------------------*/
USB_STATUS usb_class_audio_set_max_graphic_eq
(
/* [IN] Class Interface structure pointer */
AUDIO_COMMAND_PTR com_ptr,
/* [IN] length of the Buffer */
uint16_t blen,
/* [IN] channel number */
uint8_t channel_no,
/* [IN] Buffer to send data */
void *buf
)
{ /* Body */
uint16_t wIndex;
AUDIO_CONTROL_INTERFACE_STRUCT_PTR if_ptr;
USB_STATUS status = USBERR_ERROR;
if_ptr = (AUDIO_CONTROL_INTERFACE_STRUCT_PTR)com_ptr->CLASS_PTR->class_intf_handle;
wIndex = (uint16_t)(((if_ptr->fu_desc->bUnitID)<<8)|(if_ptr->AUDIO_G.IFNUM));
/* Check whether this attribute valid or not */
status = check_valid_fu(if_ptr->fu_desc,FU_GRAPHIC_EQ_MASK,if_ptr->fu_desc->bControlSize*channel_no);
if (USB_OK == status)
{
status = usb_class_audio_cntrl_common(com_ptr,SET_REQUEST_ITF,SET_MAX,
(uint16_t)((USB_AUDIO_CTRL_FU_GRAPHIC_EQ << 8) | channel_no),wIndex,blen,buf);
}
return status;
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_class_audio_get_max_graphic_eq
* Returned Value : USB_OK if command has been passed on USB
* Comments :
* This function is called by the application to get max graphic equalizer value
* from the audio device
*END*--------------------------------------------------------------------*/
usb_status usb_class_audio_get_max_graphic_eq
(
/* [IN] Class Interface structure pointer */
audio_command_t* com_ptr,
/* [IN] length of the Buffer */
uint16_t blen,
/* [IN] channel number */
uint8_t channel_no,
/* [IN] Buffer to receive data */
void* buf
)
{ /* Body */
uint16_t windex;
audio_control_struct_t* if_ptr;
usb_status status = USBERR_ERROR;
if_ptr = (audio_control_struct_t*)com_ptr->class_control_handle;
windex = (uint16_t)((uint16_t)((uint16_t)(if_ptr->fu_desc->bunitid)<<8)|(if_ptr->ifnum));
/* Check whether this attribute valid or not */
status = check_valid_fu(if_ptr->fu_desc,FU_GRAPHIC_EQ_MASK,if_ptr->fu_desc->bcontrolsize*channel_no);
if (USB_OK == status)
{
status = usb_class_audio_cntrl_common(com_ptr,GET_REQUEST_ITF,GET_MAX,
(uint16_t)((USB_AUDIO_CTRL_FU_GRAPHIC_EQ << 8) | channel_no),windex,blen,(uint8_t *)buf);
}
return status;
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_class_audio_feature_command
* Returned Value : USB_OK if command has been passed on USB
* Comments :
* This function is called by the application to get or set feature units
* of audio device
*END*--------------------------------------------------------------------*/
USB_STATUS usb_class_audio_feature_command
(
/* [IN] Class Interface structure pointer */
AUDIO_COMMAND_PTR com_ptr,
/* [IN] channel number */
uint8_t channel_no,
/* [IN] Buffer to send data */
void *buf,
/* [IN] The command to perform */
uint32_t cmd
)
{ /* Body */
uint16_t wIndex;
uint16_t request_value;
AUDIO_CONTROL_INTERFACE_STRUCT_PTR if_ptr;
USB_AUDIO_COMMAND_PTR p_feature_command;
USB_STATUS status = USBERR_ERROR;
if_ptr = (AUDIO_CONTROL_INTERFACE_STRUCT_PTR)com_ptr->CLASS_PTR->class_intf_handle;
/* Validity checking: for audio interface */
status = usb_host_class_intf_validate(if_ptr);
if (USB_OK == status)
{
/* pointer to command */
p_feature_command = &(usb_audio_feature_commands[cmd]);
/* get request value */
request_value = (uint16_t)((p_feature_command->request_value << 8) | channel_no);
wIndex = (uint16_t)(((if_ptr->fu_desc->bUnitID)<<8)|(if_ptr->AUDIO_G.IFNUM));
/* Check whether this attribute valid or not */
status = check_valid_fu(if_ptr->fu_desc,p_feature_command->control_mask,if_ptr->fu_desc->bControlSize*channel_no);
if (USB_OK == status)
{
status = usb_class_audio_cntrl_common(com_ptr,
p_feature_command->request_type,
p_feature_command->request_code,
request_value,
wIndex,
p_feature_command->length,
buf);
}
}
return status;
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_class_audio_feature_command
* Returned Value : USB_OK if command has been passed on USB
* Comments :
* This function is called by the application to get or set feature units
* of audio device
*END*--------------------------------------------------------------------*/
usb_status usb_class_audio_feature_command
(
/* [IN] Class Interface structure pointer */
audio_command_t* com_ptr,
/* [IN] channel number */
uint8_t channel_no,
/* [IN] Buffer to send data */
void* buf,
/* [IN] The command to perform */
uint32_t cmd
)
{ /* Body */
uint16_t windex;
uint16_t request_value;
audio_control_struct_t* if_ptr;
usb_audio_command_t* p_feature_command;
usb_status status = USBERR_ERROR;
if_ptr = (audio_control_struct_t*)com_ptr->class_control_handle;
/* Validity checking: for audio interface */
status = usb_hostdev_validate(if_ptr->dev_handle);
if (USB_OK == status)
{
/* pointer to command */
p_feature_command = &(usb_audio_feature_commands[cmd]);
/* get request value */
request_value = (uint16_t)((uint16_t)((uint16_t)p_feature_command->request_value << 8) | channel_no);
windex = (uint16_t)((uint16_t)((uint16_t)(if_ptr->fu_desc->bunitid) << 8)|(if_ptr->ifnum));
/* Check whether this attribute valid or not */
status = check_valid_fu(if_ptr->fu_desc,p_feature_command->control_mask,if_ptr->fu_desc->bcontrolsize*channel_no);
if (USB_OK == status)
{
status = usb_class_audio_cntrl_common(com_ptr,
p_feature_command->request_type,
p_feature_command->request_code,
request_value,
windex,
p_feature_command->length,
(uint8_t *)buf);
}
}
return status;
}