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2 Commits

Author SHA1 Message Date
robert-hh 4d38ab652e samd: Make ADC, DAC, PWM, SPI objects consistent in how they print out. 
All of ADC, DAC, Pin, PWM and SPI looked different before this change.
 2022-10-25 23:36:01 +11:00
robert-hh f5da77b5ce samd/machine_dac: Add the machine.DAC class. 
It suuports 1 channel @ 10 bit for SAMD21, 2 channels @ 12 bit for SAMD51.

Instantiation by:

    dac = machine.DAC(ch) # 0 or 1

Method write:

    dac.write(value)

The output voltage range is 0..Vdd.
 2022-10-06 22:55:10 +11:00