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Add SMPS mode pin to Raspi Pico pins.c

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Add SMPS mode pin to Raspi Pico pins.c; see section "4.3. Using the ADC" of the Pico datasheet for discussion. 

Driving this pin high forces the onboard regulator into a lower noise PWM mode.
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Mark Omo 2021-02-05 11:09:40 -07:00 committed by GitHub
parent 5bb722b927
commit 1292c35d59
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ports/raspberrypi/boards/raspberry_pi_pico/pins.c
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@ -24,6 +24,7 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_GP20), MP_ROM_PTR(&pin_GPIO20) },
{ MP_ROM_QSTR(MP_QSTR_GP21), MP_ROM_PTR(&pin_GPIO21) },
{ MP_ROM_QSTR(MP_QSTR_GP22), MP_ROM_PTR(&pin_GPIO22) },
{ MP_ROM_QSTR(MP_QSTR_SMPS_MODE), MP_ROM_PTR(&pin_GPIO23) },
{ MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO25) },
{ MP_ROM_QSTR(MP_QSTR_GP25), MP_ROM_PTR(&pin_GPIO25) },
{ MP_ROM_QSTR(MP_QSTR_GP26_A0), MP_ROM_PTR(&pin_GPIO26) },