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miho |
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USBasp firmware customized for MLAB hardware AVRUSB01 |
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http://www.mlab.cz/PermaLink/AVRUSB01 |
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- original firmare from http://www.fischl.de/usbasp/usbasp.2011-05-28.tar.gz |
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- the original package contains drivers as well, please use them |
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- hardware supports Green LED (always on) |
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- hardware supports Red LED (busy indicator) |
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- hardware supports jumper for slowing down SPI clocks (just install jumper on J6 to position RX-GND) |
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- the code itself has to be modifyied so that it vas possible to reconfigure IO pins for |
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different hardware (minor changes in main function and in header file) |
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- make process was automated so that "make all" creates all configuraed target binaries |
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(for ATmega8 and ATmega88) |
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- binary files for MLAB hardware is in bin directory |
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- hardware configuration is this: |
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XTAL 12.0MHz |
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USB D+ PD2/INT0 |
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USB D- PD4 |
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ISP_RES# PB2 |
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ISP_MOSI PB3 |
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ISP_MISO PB4 |
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ISP_SCK PB5 |
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GreenLED PC1 (active L) |
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RedLedLED PC0 (active L) |
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Slow SPI CLK PD0 (to GND) |