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USBController_LPC.c
Go to the documentation of this file.
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/*
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* @brief USB Controller definitions for the LPC microcontrollers
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2012
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licensor disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#define __INCLUDE_FROM_USB_DRIVER
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#define __INCLUDE_FROM_USB_CONTROLLER_C
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#include "../USBController.h"
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#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
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volatile
uint8_t
USB_CurrentMode
=
USB_MODE_None
;
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#endif
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uint8_t
USBPortNum
;
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void
USB_Init
(
void
)
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{
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#if defined(USB_MULTI_PORTS)
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uint8_t i;
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USB_Memory_Init
(
USBRAM_BUFFER_SIZE
);
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for
(i = 0; i < MAX_USB_CORE; i++) {
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HAL_USBInit
(i);
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USB_ResetInterface
(i);
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}
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#else
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USBPortNum
= (uint8_t) USB_PORT_SELECTED;
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HAL_USBInit
(
USBPortNum
);
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#if defined(USB_CAN_BE_HOST)
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USB_Memory_Init
(
USBRAM_BUFFER_SIZE
);
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#endif
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USB_ResetInterface
(
USBPortNum
);
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#endif
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USB_IsInitialized
=
true
;
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}
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void
USB_Disable
(
void
)
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{
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USB_IsInitialized
=
false
;
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if
(
USB_CurrentMode
==
USB_MODE_Device
) {
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#if defined(USB_CAN_BE_DEVICE)
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HAL_USBConnect
(
USBPortNum
, 0);
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HAL_USBDeInit
(
USBPortNum
);
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#endif
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}
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if
(
USB_CurrentMode
==
USB_MODE_Host
) {
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#if defined(USB_CAN_BE_HOST)
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#if defined(USB_MULTI_PORTS)
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uint8_t i;
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for
(i = 0; i < MAX_USB_CORE; i++) {
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HcdDeInitDriver
(i);
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HAL_USBDeInit
(i);
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}
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#else
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HcdDeInitDriver
(
USBPortNum
);
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HAL_USBDeInit
(
USBPortNum
);
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#endif
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#endif
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}
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}
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void
USB_ResetInterface
(uint8_t corenum)
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{
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if
(
USB_CurrentMode
==
USB_MODE_Device
) {
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#if defined(USB_CAN_BE_DEVICE)
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USB_Init_Device
(corenum);
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#endif
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}
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else
if
(
USB_CurrentMode
==
USB_MODE_Host
) {
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#if defined(USB_CAN_BE_HOST)
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USB_Init_Host
(corenum);
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#endif
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}
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}
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#if defined(USB_CAN_BE_DEVICE)
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static
void
USB_Init_Device
(uint8_t corenum)
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{
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USB_DeviceState
=
DEVICE_STATE_Unattached
;
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USB_Device_ConfigurationNumber
= 0;
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#if !defined(NO_DEVICE_REMOTE_WAKEUP)
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USB_Device_RemoteWakeupEnabled
=
false
;
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#endif
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#if !defined(NO_DEVICE_SELF_POWER)
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USB_Device_CurrentlySelfPowered
=
false
;
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#endif
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#if defined(USB_DEVICE_ROM_DRIVER)
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UsbdRom_Init
();
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#else
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Endpoint_ConfigureEndpoint
(
ENDPOINT_CONTROLEP
,
EP_TYPE_CONTROL
,
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ENDPOINT_DIR_OUT
,
USB_Device_ControlEndpointSize
,
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ENDPOINT_BANK_SINGLE
);
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#endif
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HAL_EnableUSBInterrupt
(
USBPortNum
);
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HAL_USBConnect
(
USBPortNum
, 1);
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}
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#endif
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#if defined(USB_CAN_BE_HOST)
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static
void
USB_Init_Host
(uint8_t corenum)
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{
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// uint8_t i;
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// for(i=0;i<PIPE_TOTAL_PIPES;i++) PipeInfo[i].PipeHandle=0;
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pipeselected
[corenum] =
PIPE_CONTROLPIPE
;
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if
(
HcdInitDriver
(corenum) ==
HCD_STATUS_OK
) {
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USB_IsInitialized
=
true
;
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HAL_EnableUSBInterrupt
(corenum);
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}
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else
{
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USB_IsInitialized
=
false
;
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HcdDeInitDriver
(corenum);
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}
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USB_HostState
[corenum] =
HOST_STATE_Unattached
;
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USB_Host_ControlPipeSize
[corenum] =
PIPE_CONTROLPIPE_DEFAULT_SIZE
;
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}
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#endif
software
LPCUSBLib
Drivers
USB
Core
LPC
USBController_LPC.c
Generated on Fri Nov 16 2012 13:36:48 for LPCOpen Platform by
1.8.2