PULL_DOWN
#define PIN_OUTPUT_PULLDOWN (INPUT_DISABLE | PULL_DOWN)
#define PIN_INPUT_PULLDOWN (INPUT_EN | ST_ENABLE | PULL_DOWN)
#define PIN_INPUT_PULLDOWN_NOST (INPUT_EN | PULL_DOWN)
*config |= PULL_DOWN;
if (config & PULL_UP && config & PULL_DOWN)
info->ops->set_pulldown(pio, mask, config & PULL_DOWN);
DBG_SHOW_FLAG(PULL_DOWN);
(reg & (PULL_DOWN | PULL_UP_4_7K | PULL_UP_20K)))
val |= PULL_DOWN;
mask = PULL_DOWN | PULL_UP_20K |
#define PIN_OUTPUT_PULLDOWN (INPUT_DISABLE | PULL_DOWN)
#define PIN_INPUT_PULLDOWN (INPUT_EN | ST_ENABLE | PULL_DOWN)
#define PIN_INPUT_PULLDOWN_NOST (INPUT_EN | PULL_DOWN)