/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
#define INCLUDE_FROM_BOOTLOADERCDC_C\r
#include "BootloaderCDC.h"\r
\r
-/* Globals: */\r
/** Line coding options for the virtual serial port. Although the virtual serial port data is never\r
* sent through a physical serial port, the line encoding data must still be read and preserved from\r
* the host, or the host will detect a problem and fail to open the port. This structure contains the\r
boot_rww_enable();\r
}\r
\r
-/** Event handler for the USB_Disconnect event. This indicates that the bootloader should exit and the user\r
- * application started.\r
- */\r
-void EVENT_USB_Disconnect(void)\r
-{\r
- /* Upon disconnection, run user application */\r
- RunBootloader = false;\r
-}\r
-\r
/** Event handler for the USB_ConfigurationChanged event. This configures the device's endpoints ready\r
* to relay data to and from the attached USB host.\r
*/\r
-void EVENT_USB_ConfigurationChanged(void)\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
{\r
/* Setup CDC Notification, Rx and Tx Endpoints */\r
Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT,\r
ENDPOINT_BANK_SINGLE);\r
}\r
\r
-/** Event handler for the USB_UnhandledControlPacket event. This is used to catch standard and class specific\r
+/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific\r
* control requests that are not handled internally by the USB library, so that they can be handled appropriately\r
* for the application.\r
*/\r
-void EVENT_USB_UnhandledControlPacket(void)\r
+void EVENT_USB_Device_UnhandledControlRequest(void)\r
{\r
uint8_t* LineCodingData = (uint8_t*)&LineCoding;\r
\r
\r
Endpoint_ClearIN();\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsOUTReceived()));\r
- Endpoint_ClearOUT();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\r
{\r
Endpoint_ClearSETUP();\r
\r
- while (!(Endpoint_IsOUTReceived()));\r
-\r
+ while (!(Endpoint_IsOUTReceived()))\r
+ { \r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return;\r
+ }\r
+ \r
for (uint8_t i = 0; i < sizeof(LineCoding); i++)\r
*(LineCodingData++) = Endpoint_Read_Byte();\r
\r
Endpoint_ClearOUT();\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\r
{\r
Endpoint_ClearSETUP();\r
\r
- /* Acknowledge status stage */\r
- while (!(Endpoint_IsINReady()));\r
- Endpoint_ClearIN();\r
+ Endpoint_ClearStatusStage();\r
}\r
\r
break;\r
\r
while (BlockSize--)\r
{\r
- if (MemoryType == 'E')\r
- {\r
- /* Read the next EEPROM byte into the endpoint */\r
- WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));\r
-\r
- /* Increment the address counter after use */\r
- CurrAddress += 2;\r
- }\r
- else\r
+ if (MemoryType == 'F')\r
{\r
/* Read the next FLASH byte from the current FLASH page */\r
#if (FLASHEND > 0xFFFF)\r
\r
HighByte = !HighByte;\r
}\r
+ else\r
+ {\r
+ /* Read the next EEPROM byte into the endpoint */\r
+ WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));\r
+\r
+ /* Increment the address counter after use */\r
+ CurrAddress += 2;\r
+ } \r
}\r
}\r
else\r
while (!(Endpoint_IsReadWriteAllowed()))\r
{\r
Endpoint_ClearOUT();\r
- while (!(Endpoint_IsOUTReceived()));\r
+\r
+ while (!(Endpoint_IsOUTReceived()))\r
+ {\r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return 0;\r
+ }\r
}\r
\r
/* Fetch the next byte from the OUT endpoint */\r
/* Select the IN endpoint so that the next data byte can be written */\r
Endpoint_SelectEndpoint(CDC_TX_EPNUM);\r
\r
- /* If IN endpoint full, clear it and wait util ready for the next packet to the host */\r
+ /* If IN endpoint full, clear it and wait until ready for the next packet to the host */\r
if (!(Endpoint_IsReadWriteAllowed()))\r
{\r
Endpoint_ClearIN();\r
- while (!(Endpoint_IsINReady()));\r
+ \r
+ while (!(Endpoint_IsINReady()))\r
+ { \r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return;\r
+ }\r
}\r
\r
/* Write the next byte to the OUT endpoint */\r
else if (Command == 'D')\r
{\r
/* Read the byte from the endpoint and write it to the EEPROM */\r
- eeprom_write_byte((uint8_t*)(uint16_t)(CurrAddress >> 1), FetchNextCommandByte());\r
+ eeprom_write_byte((uint8_t*)((uint16_t)(CurrAddress >> 1)), FetchNextCommandByte());\r
\r
/* Increment the address after use */ \r
CurrAddress += 2;\r
else if (Command == 'd')\r
{\r
/* Read the EEPROM byte and write it to the endpoint */\r
- WriteNextResponseByte(eeprom_read_byte((uint8_t*)(uint16_t)(CurrAddress >> 1)));\r
+ WriteNextResponseByte(eeprom_read_byte((uint8_t*)((uint16_t)(CurrAddress >> 1))));\r
\r
/* Increment the address after use */\r
CurrAddress += 2;\r
/* If a full endpoint's worth of data was sent, we need to send an empty packet afterwards to signal end of transfer */\r
if (IsEndpointFull)\r
{\r
- while (!(Endpoint_IsINReady()));\r
+ while (!(Endpoint_IsINReady()))\r
+ { \r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return;\r
+ }\r
+\r
Endpoint_ClearIN();\r
}\r
\r
/* Wait until the data has been sent to the host */\r
- while (!(Endpoint_IsINReady()));\r
+ while (!(Endpoint_IsINReady()))\r
+ { \r
+ if (USB_DeviceState == DEVICE_STATE_Unattached)\r
+ return;\r
+ }\r
\r
/* Select the OUT endpoint */\r
Endpoint_SelectEndpoint(CDC_RX_EPNUM);\r
projects / pub / USBasp.git / blobdiff