You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
205 lines
5.9 KiB
C
205 lines
5.9 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2017.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2017 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 disclaims 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.
|
|
*/
|
|
|
|
#include "../../../../Common/Common.h"
|
|
#if (ARCH == ARCH_XMEGA)
|
|
|
|
#define __INCLUDE_FROM_USB_DRIVER
|
|
#define __INCLUDE_FROM_USB_CONTROLLER_C
|
|
#include "../USBController.h"
|
|
|
|
#if defined(USB_CAN_BE_BOTH)
|
|
volatile uint8_t USB_CurrentMode = USB_MODE_None;
|
|
#endif
|
|
|
|
#if !defined(USE_STATIC_OPTIONS)
|
|
volatile uint8_t USB_Options;
|
|
#endif
|
|
|
|
/* Ugly workaround to ensure an aligned table, since __BIGGEST_ALIGNMENT__ == 1 for the 8-bit AVR-GCC toolchain */
|
|
uint8_t USB_EndpointTable[sizeof(USB_EndpointTable_t) + 1];
|
|
|
|
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(USE_STATIC_OPTIONS)
|
|
USB_Options = Options;
|
|
#endif
|
|
|
|
uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
|
|
GlobalInterruptDisable();
|
|
|
|
NVM.CMD = NVM_CMD_READ_CALIB_ROW_gc;
|
|
USB.CAL0 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL0));
|
|
USB.CAL1 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL1));
|
|
NVM.CMD = NVM_CMD_NO_OPERATION_gc;
|
|
|
|
/* Ugly workaround to ensure an aligned table, since __BIGGEST_ALIGNMENT__ == 1 for the 8-bit AVR-GCC toolchain */
|
|
USB.EPPTR = ((intptr_t)&USB_EndpointTable[1] & ~(1 << 0));
|
|
USB.CTRLA = (USB_STFRNUM_bm | ((ENDPOINT_TOTAL_ENDPOINTS - 1) << USB_MAXEP_gp));
|
|
|
|
if ((USB_Options & USB_OPT_BUSEVENT_PRIHIGH) == USB_OPT_BUSEVENT_PRIHIGH)
|
|
USB.INTCTRLA = (3 << USB_INTLVL_gp);
|
|
else if ((USB_Options & USB_OPT_BUSEVENT_PRIMED) == USB_OPT_BUSEVENT_PRIMED)
|
|
USB.INTCTRLA = (2 << USB_INTLVL_gp);
|
|
else
|
|
USB.INTCTRLA = (1 << USB_INTLVL_gp);
|
|
|
|
SetGlobalInterruptMask(CurrentGlobalInt);
|
|
|
|
#if defined(USB_CAN_BE_BOTH)
|
|
USB_CurrentMode = Mode;
|
|
#endif
|
|
|
|
USB_IsInitialized = true;
|
|
|
|
USB_ResetInterface();
|
|
}
|
|
|
|
void USB_Disable(void)
|
|
{
|
|
USB_INT_DisableAllInterrupts();
|
|
USB_INT_ClearAllInterrupts();
|
|
|
|
USB_Detach();
|
|
USB_Controller_Disable();
|
|
|
|
USB_IsInitialized = false;
|
|
}
|
|
|
|
void USB_ResetInterface(void)
|
|
{
|
|
uint8_t PrescalerNeeded;
|
|
|
|
#if defined(USB_DEVICE_OPT_FULLSPEED)
|
|
if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
|
|
PrescalerNeeded = F_USB / 6000000;
|
|
else
|
|
PrescalerNeeded = F_USB / 48000000;
|
|
#else
|
|
PrescalerNeeded = F_USB / 6000000;
|
|
#endif
|
|
|
|
uint8_t DividerIndex = 0;
|
|
while (PrescalerNeeded > 0)
|
|
{
|
|
DividerIndex++;
|
|
PrescalerNeeded >>= 1;
|
|
}
|
|
|
|
CLK.USBCTRL = (DividerIndex - 1) << CLK_USBPSDIV_gp;
|
|
|
|
if (USB_Options & USB_OPT_PLLCLKSRC)
|
|
CLK.USBCTRL |= (CLK_USBSRC_PLL_gc | CLK_USBSEN_bm);
|
|
else
|
|
CLK.USBCTRL |= (CLK_USBSRC_RC32M_gc | CLK_USBSEN_bm);
|
|
|
|
USB_Device_SetDeviceAddress(0);
|
|
|
|
USB_INT_DisableAllInterrupts();
|
|
USB_INT_ClearAllInterrupts();
|
|
|
|
USB_Controller_Reset();
|
|
USB_Init_Device();
|
|
}
|
|
|
|
#if defined(USB_CAN_BE_DEVICE)
|
|
static void USB_Init_Device(void)
|
|
{
|
|
USB_DeviceState = DEVICE_STATE_Unattached;
|
|
USB_Device_ConfigurationNumber = 0;
|
|
|
|
#if !defined(NO_DEVICE_REMOTE_WAKEUP)
|
|
USB_Device_RemoteWakeupEnabled = false;
|
|
#endif
|
|
|
|
#if !defined(NO_DEVICE_SELF_POWER)
|
|
USB_Device_CurrentlySelfPowered = false;
|
|
#endif
|
|
|
|
#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
|
|
USB_Descriptor_Device_t* DeviceDescriptorPtr;
|
|
|
|
#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
|
|
!(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
|
|
uint8_t DescriptorAddressSpace;
|
|
|
|
if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr, &DescriptorAddressSpace) != NO_DESCRIPTOR)
|
|
{
|
|
if (DescriptorAddressSpace == MEMSPACE_FLASH)
|
|
USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
|
|
else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
|
|
USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
|
|
else
|
|
USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
|
|
}
|
|
#else
|
|
if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
|
|
{
|
|
#if defined(USE_RAM_DESCRIPTORS)
|
|
USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
|
|
#elif defined(USE_EEPROM_DESCRIPTORS)
|
|
USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
|
|
#else
|
|
USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
|
|
#endif
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
|
|
USB_Device_SetLowSpeed();
|
|
else
|
|
USB_Device_SetFullSpeed();
|
|
|
|
Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
|
|
USB_Device_ControlEndpointSize, 1);
|
|
|
|
USB_INT_Enable(USB_INT_BUSEVENTI);
|
|
|
|
USB_Attach();
|
|
}
|
|
#endif
|
|
|
|
#endif
|