jepler/Adafruit_CircuitPython_AVRprog
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add another example, xtal driving

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ladyada 2018-01-11 20:16:51 -05:00
parent 8512aaf207
commit 2c198071bb
2 changed files with 23 additions and 0 deletions
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3
examples/program_uno328.py
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@ -17,6 +17,9 @@ spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
avrprog = adafruit_avrprog.AVRprog()
avrprog.init(spi, board.D5)
# we can generate an 6 MHz clock for driving bare chips too!
clock_pwm = pulseio.PWMOut(board.D9, frequency=6000000, duty_cycle=65536//2)
# Each chip has to have a definition so the script knows how to find it
atmega328p = {'name': "ATmega328P"}
atmega328p['sig'] = [0x1E, 0x95, 0x0F]

20
examples/read_signature.py Normal file
View file

@ -0,0 +1,20 @@
"""
Read Signature Test - All this does is read the signature from the chip to
check connectivity!
"""
import board
import busio
import pulseio
import adafruit_avrprog
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
avrprog = adafruit_avrprog.AVRprog()
avrprog.init(spi, board.D5)
# we can generate an 6 MHz clock for driving bare chips too!
clock_pwm = pulseio.PWMOut(board.D9, frequency=6000000, duty_cycle=65536//2)
avrprog.begin()
print("Signature bytes: ", [hex(i) for i in avrprog.read_signature()])
avrprog.end()