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3 Commits

Author SHA1 Message Date
robert-hh
4598b89ce9 samd: Add Pin.board and Pin.cpu classes to Pin. 
For compatibility with other ports.  Code increase up to ~1250 bytes for
SAMD21.  The feature is configurable via MICROPY_PY_MACHINE_PIN_BOARD_CPU
in case flash memory is tight.
 2023-02-17 17:27:21 +11:00
robert-hh
a6760bd4ef samd/modmachine: Replace the LED class by the Signal class. 
It simplifies and improves the code.  The LED_Pxxx lines of the board.csv
lines can still be used, but will be taken as Pin definitions.
 2022-10-25 23:39:41 +11:00
robert-hh
e5cf3fab95 samd/machine_pin: Change the pin handling and naming/numbering. 
Pin numbers are now the MCU port numbers in the range:

    PA0..PA31:  0..31
    PB0..PB31: 32..63
    PC0..PC31: 64..95
    PD0..PD31: 96..127

Pins can be denoted by the GPIO port number, the name as defined in
pins.csv or a string in the form Pxnn, like "PA16" or "PD03".

The pins.c and pins.h files are now obsolete.  The pin objects are part of
the AF table.

As result of a simplification, the code now supports using pin names or
numbers instead of pin objects for modules like UART, SPI, PWM, I2C, ADC,
pininfo.
 2022-10-25 23:34:07 +11:00