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Slow AVRISP-MKII clone PDI/TPI programming speed back to 250KHz due to issues with the XPLAINBridge when PDI programming at faster rates.

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Speed up XMEGANVM_WaitWhileNVMControllerBusy() by preloading the status register address into the pointer register of the target's NVM controller and then reading via a faster indirect load command.
This commit is contained in:
Dean Camera 2010-11-16 12:30:00 +00:00
parent 002cd6df49
commit a9f313afa9
4 changed files with 10 additions and 9 deletions
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6
Projects/AVRISP-MKII/makefile
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@ -60,13 +60,13 @@
# MCU name
MCU = at90usb1287
MCU = at90usb162
# Target board (see library "Board Types" documentation, NONE for projects not requiring
# LUFA board drivers). If USER is selected, put custom board drivers in a directory called
# "Board" inside the application directory.
BOARD = USBKEY
BOARD = USBTINYMKII
# Processor frequency.
@ -80,7 +80,7 @@ BOARD = USBKEY
# does not *change* the processor frequency - it should merely be updated to
# reflect the processor speed set externally so that the code can use accurate
# software delays.
F_CPU = 8000000
F_CPU = 16000000
# Input clock frequency.