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esp32/machine_pin: Make it so None as pull value disables pull up/down. 

Previously specifying None as the pull value would leave the pull up/down
state unchanged.  This change makes it so -1 leaves the state unchanged and
None makes the pin float, as per the docs.
pull/4610/head
Damien George 2019-02-28 12:38:28 +11:00
rodzic ea2fcdd338
commit 349b54525e
1 zmienionych plików z 7 dodań i 3 usunięć
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10
ports/esp32/machine_pin.c
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@ -137,7 +137,7 @@ STATIC mp_obj_t machine_pin_obj_init_helper(const machine_pin_obj_t *self, size_
enum { ARG_mode, ARG_pull, ARG_value };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_mode, MP_ARG_OBJ, {.u_obj = mp_const_none}},
{ MP_QSTR_pull, MP_ARG_OBJ, {.u_obj = mp_const_none}},
{ MP_QSTR_pull, MP_ARG_OBJ, {.u_obj = MP_OBJ_NEW_SMALL_INT(-1)}},
{ MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL}},
};
@ -164,8 +164,12 @@ STATIC mp_obj_t machine_pin_obj_init_helper(const machine_pin_obj_t *self, size_
}
// configure pull
if (args[ARG_pull].u_obj != mp_const_none) {
gpio_set_pull_mode(self->id, mp_obj_get_int(args[ARG_pull].u_obj));
if (args[ARG_pull].u_obj != MP_OBJ_NEW_SMALL_INT(-1)) {
if (args[ARG_pull].u_obj == mp_const_none) {
gpio_set_pull_mode(self->id, GPIO_FLOATING);
} else {
gpio_set_pull_mode(self->id, mp_obj_get_int(args[ARG_pull].u_obj));
}
}
return mp_const_none;