AG903ライブラリリファレンス
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1: uhs_status_t Usbh_Api_SetConfiguration( 2: struct usb_control_block* ucb, 3: struct usbd_usb_deviceinfo* usbdev, 4: const uhs_ubit16_t config_num 5: ) 6: { 7: uhs_status_t retval = UDI_OK; 8: 9: 10: if( Usbh_susres_get_state() != USBH_SUSRES_STS_IDLE ){ 11: uhs_debug_print (DBG_ERR, ("ERROR : Don't Call Current State!!")); 12: CORE_REPORT_ERROR( USBC_ILLEGAL_ERROR ); 13: return UDI_STAT_INVALID_STATE; 14: } 15: 16: if (( ucb == NULL ) || ( usbdev == NULL )) { 17: CORE_REPORT_ERROR( USBC_INVALID_PARAMETER ); 18: return UDI_STAT_DATA_ERROR; 19: } 20: 21: 22: Usbh_Api_FixupPipeInfo( 23: &ucb->pipe, 24: ucb->usbdev->usbdev_DevNum, 25: USB_DEFAULT_EP_NUM, 26: USB_PACKETID_OUT, 27: USB_TRANS_CONTROL, 28: ucb->usbdev->usbdev_EpMaxpktOut[USB_DEFAULT_EP_NUM] 29: ); 30: 31: retval = Usbh_Api_SyncControlMsg( 32: ucb, 33: USB_DEVICE_REQUEST_TYPE_HOST_TO_DEVICE | 34: USB_DEVICE_REQUEST_TYPE_STANDARD_TYPE | 35: USB_DEVICE_REQUEST_TYPE_DEVICE_RECIPIENT, 36: USB_DEVICE_REQUEST_SET_CONFIGURATION, 37: config_num & 0xffU, 38: config_num >> 8, 39: 0, 40: 0, 41: NULL, 42: 0 ); 43: 44: if( retval != UDI_OK) { 45: CORE_REPORT_WARNING(USBC_ILLEGAL_ERROR); 46: } 47: 48: return retval; 49: }
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