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Diffstat (limited to 'docs/zephyr/quickref.rst')
| -rw-r--r-- | docs/zephyr/quickref.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/zephyr/quickref.rst b/docs/zephyr/quickref.rst index 0e985c70b..64054bf99 100644 --- a/docs/zephyr/quickref.rst +++ b/docs/zephyr/quickref.rst @@ -119,6 +119,19 @@ Hardware SPI is accessed via the :ref:`machine.SPI <machine.SPI>` class:: spi.write_readinto(b'abcd', buf) # write to MOSI and read from MISO into the buffer spi.write_readinto(buf, buf) # write buf to MOSI and read back into the buf +Analog to Digital Converter (ADC) +---------------------------------- + +Use the :ref:`machine.ADC <machine.ADC>` class. + +Example of using ADC to read a pin's analog value (the ``zephyr,user`` node must contain +the ``io-channels`` property containing all the ADC channels):: + + from machine import ADC + + adc = ADC(("adc", 0)) + adc.read_uv() + Disk Access ----------- |