You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
271 lines
6.5 KiB
271 lines
6.5 KiB
/* |
|
LUFA Library |
|
Copyright (C) Dean Camera, 2010. |
|
|
|
dean [at] fourwalledcubicle [dot] com |
|
www.fourwalledcubicle.com |
|
*/ |
|
|
|
/* |
|
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) |
|
|
|
Permission to use, copy, modify, distribute, and sell this |
|
software and its documentation for any purpose is hereby granted |
|
without fee, provided that the above copyright notice appear in |
|
all copies and that both that the copyright notice and this |
|
permission notice and warranty disclaimer appear in supporting |
|
documentation, and that the name of the author not be used in |
|
advertising or publicity pertaining to distribution of the |
|
software without specific, written prior permission. |
|
|
|
The author disclaim all warranties with regard to this |
|
software, including all implied warranties of merchantability |
|
and fitness. In no event shall the author be liable for any |
|
special, indirect or consequential damages or any damages |
|
whatsoever resulting from loss of use, data or profits, whether |
|
in an action of contract, negligence or other tortious action, |
|
arising out of or in connection with the use or performance of |
|
this software. |
|
*/ |
|
|
|
#define __INCLUDE_FROM_USB_DRIVER |
|
#include "USBController.h" |
|
|
|
#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY)) |
|
volatile uint8_t USB_CurrentMode = USB_MODE_NONE; |
|
#endif |
|
|
|
#if !defined(USE_STATIC_OPTIONS) |
|
volatile uint8_t USB_Options; |
|
#endif |
|
|
|
void USB_Init( |
|
#if defined(USB_CAN_BE_BOTH) |
|
const uint8_t Mode |
|
#endif |
|
|
|
#if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) |
|
, |
|
#elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) |
|
void |
|
#endif |
|
|
|
#if !defined(USE_STATIC_OPTIONS) |
|
const uint8_t Options |
|
#endif |
|
) |
|
{ |
|
#if defined(USB_CAN_BE_BOTH) |
|
USB_CurrentMode = Mode; |
|
#endif |
|
|
|
#if !defined(USE_STATIC_OPTIONS) |
|
USB_Options = Options; |
|
#endif |
|
|
|
#if defined(USB_CAN_BE_HOST) |
|
USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; |
|
#endif |
|
|
|
#if defined(USB_DEVICE_ONLY) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)) |
|
UHWCON |= (1 << UIMOD); |
|
#elif defined(USB_HOST_ONLY) |
|
UHWCON &= ~(1 << UIMOD); |
|
#elif defined(USB_CAN_BE_BOTH) |
|
if (Mode == USB_MODE_UID) |
|
{ |
|
UHWCON |= (1 << UIDE); |
|
|
|
USB_INT_Clear(USB_INT_IDTI); |
|
USB_INT_Enable(USB_INT_IDTI); |
|
|
|
USB_CurrentMode = USB_GetUSBModeFromUID(); |
|
} |
|
else if (Mode == USB_MODE_DEVICE) |
|
{ |
|
UHWCON |= (1 << UIMOD); |
|
} |
|
else if (Mode == USB_MODE_HOST) |
|
{ |
|
UHWCON &= ~(1 << UIMOD); |
|
} |
|
else |
|
{ |
|
EVENT_USB_InitFailure(USB_INITERROR_NoUSBModeSpecified); |
|
return; |
|
} |
|
#endif |
|
|
|
USB_ResetInterface(); |
|
|
|
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
|
USB_OTGPAD_On(); |
|
#endif |
|
|
|
USB_IsInitialized = true; |
|
} |
|
|
|
void USB_ShutDown(void) |
|
{ |
|
USB_ResetInterface(); |
|
USB_Detach(); |
|
USB_Controller_Disable(); |
|
|
|
USB_INT_DisableAllInterrupts(); |
|
USB_INT_ClearAllInterrupts(); |
|
|
|
#if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
|
UHWCON &= ~(1 << UIMOD); |
|
#endif |
|
|
|
if (!(USB_Options & USB_OPT_MANUAL_PLL)) |
|
USB_PLL_Off(); |
|
|
|
USB_REG_Off(); |
|
|
|
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
|
USB_OTGPAD_Off(); |
|
#endif |
|
|
|
#if defined(USB_CAN_BE_BOTH) |
|
UHWCON &= ~(1 << UIDE); |
|
#endif |
|
|
|
USB_IsInitialized = false; |
|
|
|
#if defined(USB_CAN_BE_BOTH) |
|
USB_CurrentMode = USB_MODE_NONE; |
|
#endif |
|
} |
|
|
|
void USB_ResetInterface(void) |
|
{ |
|
USB_INT_DisableAllInterrupts(); |
|
USB_INT_ClearAllInterrupts(); |
|
|
|
#if defined(USB_CAN_BE_HOST) |
|
USB_HostState = HOST_STATE_Unattached; |
|
#endif |
|
|
|
#if defined(USB_CAN_BE_DEVICE) |
|
USB_DeviceState = DEVICE_STATE_Unattached; |
|
USB_ConfigurationNumber = 0; |
|
|
|
#if !defined(NO_DEVICE_REMOTE_WAKEUP) |
|
USB_RemoteWakeupEnabled = false; |
|
#endif |
|
|
|
#if !defined(NO_DEVICE_SELF_POWER) |
|
USB_CurrentlySelfPowered = false; |
|
#endif |
|
#endif |
|
|
|
if (!(USB_Options & USB_OPT_MANUAL_PLL)) |
|
{ |
|
#if defined(USB_SERIES_4_AVR) |
|
PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1)); |
|
#endif |
|
|
|
USB_PLL_On(); |
|
while (!(USB_PLL_IsReady())); |
|
} |
|
|
|
USB_Controller_Reset(); |
|
|
|
#if defined(USB_CAN_BE_BOTH) |
|
if (UHWCON & (1 << UIDE)) |
|
{ |
|
USB_INT_Clear(USB_INT_IDTI); |
|
USB_INT_Enable(USB_INT_IDTI); |
|
USB_CurrentMode = USB_GetUSBModeFromUID(); |
|
} |
|
#endif |
|
|
|
if (!(USB_Options & USB_OPT_REG_DISABLED)) |
|
USB_REG_On(); |
|
else |
|
USB_REG_Off(); |
|
|
|
USB_CLK_Unfreeze(); |
|
|
|
#if (defined(USB_CAN_BE_DEVICE) && (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))) |
|
if (USB_CurrentMode == USB_MODE_DEVICE) |
|
{ |
|
if (USB_Options & USB_DEVICE_OPT_LOWSPEED) |
|
USB_Device_SetLowSpeed(); |
|
else |
|
USB_Device_SetFullSpeed(); |
|
} |
|
#endif |
|
|
|
#if (defined(USB_CAN_BE_DEVICE) && !defined(FIXED_CONTROL_ENDPOINT_SIZE)) |
|
if (USB_CurrentMode == USB_MODE_DEVICE) |
|
{ |
|
USB_Descriptor_Device_t* DeviceDescriptorPtr; |
|
|
|
if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR) |
|
{ |
|
#if defined(USE_RAM_DESCRIPTORS) |
|
USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size; |
|
#elif defined(USE_EEPROM_DESCRIPTORS) |
|
USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size); |
|
#else |
|
USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size); |
|
#endif |
|
} |
|
} |
|
#endif |
|
|
|
USB_Attach(); |
|
|
|
#if defined(USB_DEVICE_ONLY) |
|
USB_INT_Clear(USB_INT_SUSPEND); |
|
USB_INT_Enable(USB_INT_SUSPEND); |
|
USB_INT_Clear(USB_INT_EORSTI); |
|
USB_INT_Enable(USB_INT_EORSTI); |
|
|
|
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
|
USB_INT_Enable(USB_INT_VBUS); |
|
#endif |
|
#elif defined(USB_HOST_ONLY) |
|
USB_Host_HostMode_On(); |
|
|
|
USB_Host_VBUS_Auto_Off(); |
|
USB_OTGPAD_Off(); |
|
|
|
USB_Host_VBUS_Manual_Enable(); |
|
USB_Host_VBUS_Manual_On(); |
|
|
|
USB_INT_Enable(USB_INT_SRPI); |
|
USB_INT_Enable(USB_INT_BCERRI); |
|
#else |
|
if (USB_CurrentMode == USB_MODE_DEVICE) |
|
{ |
|
USB_INT_Clear(USB_INT_SUSPEND); |
|
USB_INT_Enable(USB_INT_SUSPEND); |
|
USB_INT_Clear(USB_INT_EORSTI); |
|
USB_INT_Enable(USB_INT_EORSTI); |
|
|
|
#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) |
|
USB_INT_Enable(USB_INT_VBUS); |
|
#endif |
|
|
|
#if defined(CONTROL_ONLY_DEVICE) |
|
UENUM = ENDPOINT_CONTROLEP; |
|
#endif |
|
} |
|
else if (USB_CurrentMode == USB_MODE_HOST) |
|
{ |
|
USB_Host_HostMode_On(); |
|
|
|
USB_Host_VBUS_Auto_Off(); |
|
USB_OTGPAD_Off(); |
|
|
|
USB_Host_VBUS_Manual_Enable(); |
|
USB_Host_VBUS_Manual_On(); |
|
|
|
USB_INT_Enable(USB_INT_SRPI); |
|
USB_INT_Enable(USB_INT_BCERRI); |
|
} |
|
#endif |
|
}
|
|
|