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Better solution - change compile time token names to DEVICE_STATE_AS_GPIOR and HOST_STATE_AS_GPIOR and allow the user to set them to the index of the GPIOR register within the device to use.

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This commit is contained in:
Dean Camera
2009-07-28 13:12:14 +00:00
parent c1be307393
commit e426463355
7 changed files with 31 additions and 23 deletions
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LUFA/ManPages/CompileTimeTokens.txt
+8 -6
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@@ -95,17 +95,19 @@
* defined to a non-zero value instead to give the size in bytes of the control endpoint, to reduce the size of the compiled
* binary.
*
* <b>DEVICE_STATE_AS_GPIOR0</b> - ( \ref Group_Device ) \n
* <b>DEVICE_STATE_AS_GPIOR</b> - ( \ref Group_Device ) \n
* One of the most frequenty used global variables in the stack is the USB_DeviceState global, which indicates the current state of
* the Device State Machine. To reduce the amount of code and time required to access and modify this global in an application, this token
* make be defined to fix the state variable into one of the three general purpose IO registers inside the AVR reserved for application
* use. When defined, the GPIOR0 register should not be used within the user application except implicitly via the library APIs.
* may be defined to a value between 0 and 2 to fix the state variable into one of the three general purpose IO registers inside the AVR
* reserved for application use. When defined, the corresponding GPIOR register should not be used within the user application except
* implicitly via the library APIs.
*
* <b>HOST_STATE_AS_GPIOR1</b> - ( \ref Group_Host ) \n
* <b>HOST_STATE_AS_GPIOR</b> - ( \ref Group_Host ) \n
* One of the most frequenty used global variables in the stack is the USB_HostState global, which indicates the current state of
* the Host State Machine. To reduce the amount of code and time required to access and modify this global in an application, this token
* make be defined to fix the state variable into one of the three general purpose IO registers inside the AVR reserved for application
* use. When defined, the GPIOR1 register should not be used within the user application except implicitly via the library APIs.
* may be defined to a value between 0 and 2 to fix the state variable into one of the three general purpose IO registers inside the AVR
* reserved for application use. When defined, the corresponding GPIOR register should not be used within the user application except
* implicitly via the library APIs.
*
* <b>TOTAL_NUM_CONFIGURATIONS</b> - ( \ref Group_Device ) \n
* By default, the library determines the number of configurations a USB device supports by reading the device descriptor. This reduces