3 Copyright (C) Dean Camera, 2012.
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5 dean [at] fourwalledcubicle [dot] com
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10 Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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12 Permission to use, copy, modify, distribute, and sell this
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13 software and its documentation for any purpose is hereby granted
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14 without fee, provided that the above copyright notice appear in
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15 all copies and that both that the copyright notice and this
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16 permission notice and warranty disclaimer appear in supporting
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17 documentation, and that the name of the author not be used in
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18 advertising or publicity pertaining to distribution of the
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19 software without specific, written prior permission.
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21 The author disclaim all warranties with regard to this
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22 software, including all implied warranties of merchantability
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23 and fitness. In no event shall the author be liable for any
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24 special, indirect or consequential damages or any damages
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25 whatsoever resulting from loss of use, data or profits, whether
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26 in an action of contract, negligence or other tortious action,
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27 arising out of or in connection with the use or performance of
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31 #include "../../../../Common/Common.h"
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32 #if (ARCH == ARCH_UC3)
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34 #define __INCLUDE_FROM_USB_DRIVER
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35 #define __INCLUDE_FROM_USB_CONTROLLER_C
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36 #include "../USBController.h"
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38 #if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
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39 volatile uint8_t USB_CurrentMode = USB_MODE_None;
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42 #if !defined(USE_STATIC_OPTIONS)
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43 volatile uint8_t USB_Options;
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47 #if defined(USB_CAN_BE_BOTH)
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51 #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS))
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53 #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
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57 #if !defined(USE_STATIC_OPTIONS)
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58 const uint8_t Options
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62 #if !defined(USE_STATIC_OPTIONS)
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63 USB_Options = Options;
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66 #if defined(USB_CAN_BE_BOTH)
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67 if (Mode == USB_MODE_UID)
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69 AVR32_USBB.USBCON.uide = true;
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70 USB_INT_Enable(USB_INT_IDTI);
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71 USB_CurrentMode = USB_GetUSBModeFromUID();
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75 AVR32_USBB.USBCON.uide = false;
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76 USB_CurrentMode = Mode;
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79 AVR32_USBB.USBCON.uide = false;
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82 USB_IsInitialized = true;
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84 USB_ResetInterface();
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87 void USB_Disable(void)
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89 USB_INT_DisableAllInterrupts();
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90 USB_INT_ClearAllInterrupts();
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93 USB_Controller_Disable();
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97 #if defined(USB_CAN_BE_BOTH)
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98 USB_CurrentMode = USB_MODE_None;
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101 AVR32_PM.GCCTRL[3].cen = false;
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103 USB_IsInitialized = false;
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106 void USB_ResetInterface(void)
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108 #if defined(USB_CAN_BE_BOTH)
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109 bool UIDModeSelectEnabled = AVR32_USBB.USBCON.uide;
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112 AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].pllsel = !(USB_Options & USB_OPT_GCLK_SRC_OSC);
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113 AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].oscsel = !(USB_Options & USB_OPT_GCLK_CHANNEL_0);
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114 AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].diven = (F_USB != USB_CLOCK_REQUIRED_FREQ);
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115 AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].div = (F_USB == USB_CLOCK_REQUIRED_FREQ) ? 0 : (uint32_t)((F_USB / USB_CLOCK_REQUIRED_FREQ / 2) - 1);
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116 AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].cen = true;
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118 USB_INT_DisableAllInterrupts();
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119 USB_INT_ClearAllInterrupts();
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121 USB_Controller_Reset();
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123 #if defined(USB_CAN_BE_BOTH)
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124 if (UIDModeSelectEnabled)
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125 USB_INT_Enable(USB_INT_IDTI);
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128 USB_CLK_Unfreeze();
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130 if (USB_CurrentMode == USB_MODE_Device)
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132 #if defined(USB_CAN_BE_DEVICE)
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133 AVR32_USBB.USBCON.uimod = true;
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138 else if (USB_CurrentMode == USB_MODE_Host)
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140 #if defined(INVERTED_VBUS_ENABLE_LINE)
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141 AVR32_USBB.USBCON.vbuspo = true;
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144 #if defined(USB_CAN_BE_HOST)
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145 AVR32_USBB.USBCON.uimod = false;
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154 #if defined(USB_CAN_BE_DEVICE)
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155 static void USB_Init_Device(void)
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157 USB_DeviceState = DEVICE_STATE_Unattached;
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158 USB_Device_ConfigurationNumber = 0;
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160 #if !defined(NO_DEVICE_REMOTE_WAKEUP)
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161 USB_Device_RemoteWakeupEnabled = false;
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164 #if !defined(NO_DEVICE_SELF_POWER)
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165 USB_Device_CurrentlySelfPowered = false;
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168 #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
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169 USB_Descriptor_Device_t* DeviceDescriptorPtr;
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171 if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
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172 USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
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175 if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
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177 USB_Device_SetLowSpeed();
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181 #if defined(USB_DEVICE_OPT_HIGHSPEED)
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182 if (USB_Options & USB_DEVICE_OPT_HIGHSPEED)
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183 USB_Device_SetHighSpeed();
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185 USB_Device_SetFullSpeed();
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187 USB_Device_SetFullSpeed();
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191 USB_INT_Enable(USB_INT_VBUSTI);
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193 Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
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194 USB_Device_ControlEndpointSize, 1);
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196 USB_INT_Clear(USB_INT_SUSPI);
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197 USB_INT_Enable(USB_INT_SUSPI);
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198 USB_INT_Enable(USB_INT_EORSTI);
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204 #if defined(USB_CAN_BE_HOST)
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205 static void USB_Init_Host(void)
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207 USB_HostState = HOST_STATE_Unattached;
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208 USB_Host_ConfigurationNumber = 0;
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209 USB_Host_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
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211 USB_Host_HostMode_On();
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213 USB_Host_VBUS_Auto_On();
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215 USB_INT_Enable(USB_INT_DCONNI);
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216 USB_INT_Enable(USB_INT_BCERRI);
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