8000 Don't define unused pins on boards with limited flash · Issue #840 · adafruit/circuitpython · GitHub
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Don't define unused pins on boards with limited flash #840

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rhooper opened this issue May 15, 2018 · 2 comments
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Don't define unused pins on boards with limited flash #840

rhooper opened this issue May 15, 2018 · 2 comments

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@rhooper
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rhooper commented May 15, 2018

Trinket_m0 has very limited flash, making it difficult to add features to circuitpython. One place we can save flash is by not defining all the pins in samd21_pins.c and microcontroller/init.c
rhooper added a commit to rhooper/circuitpython that referenced this issue May 15, 2018
@rhooper
disable pins on trinket_m0 so that we can free a fair bit of flash - …
3fd9900 
…Issue adafruit#840
@rhooper
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rhooper commented May 15, 2018

Before the above commit:

-36 bytes free in flash out of 188416 bytes ( 184.0 kb ).
4092 bytes free in ram for stack out of 32768 bytes ( 32.0 kb ).

After:

548 bytes free in flash out of 188416 bytes ( 184.0 kb ).
4092 bytes free in ram for stack out of 32768 bytes ( 32.0 kb ).

@rhooper rhooper mentioned this issue May 15, 2018
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@tannewt
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tannewt commented May 17, 2018

Done in #838
6283

@tannewt tannewt closed this as completed May 17, 2018
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