46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
' ########### start ###########
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' avr:tiny44
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' ########### end ###########
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'
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' ******************************************************************
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' A program to flash LED on PORTA.4 (SCK)
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' 2016-06-30 (c) Paolo Iocco
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' ******************************************************************
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'
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' Circuit diagram
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' ---------------
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' +--\/--+
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' VCC-------->|1° 14|<--------GND
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' PB0-------->|2 13|<--------PA0
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' PB1-------->|3 12|<--------PA1
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' PB3/Reset-->|4 11|---------PA2
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' PB2---------|5 10|---------PA3
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' PA7---------|6 9|---------PA4 SCK
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' PA6 MOSI----|7 8|---------PA5 MISO
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' +-------+
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'
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' 8MHz, internal RC Oscillator
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' Fuses:
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' AVRDude: avrdude -B 10 -c USBasp -p attiny44 -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m
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'Chip model
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#chip tiny44, 8
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#define led PORTA.4
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dir led out
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Startup:
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'Main routine
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Loop:
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'Turn one LED on, the other off
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SET led ON
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Wait 500 ms
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'Now toggle the LEDs
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SET led OFF
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Wait 500 ms
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'Jump back to the start of the program
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goto Loop
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