diff options
| author | robert-hh <robert@hammelrath.com> | 2025-01-19 10:31:56 +0100 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2025-02-28 16:50:39 +1100 |
| commit | e009ab06c581cf2e8b6dbf8d2002105c97131a1f (patch) | |
| tree | b5a817e58fc89b79f7480e30cdef00ca3558b3e8 | |
| parent | 61cb293b761d22de9ece8d7cfdb38555fc0a410a (diff) | |
esp8266/machine_pin: Implement Pin.toggle() method.
Tested with a generic ESP8266 device. The actual output value is taken
from the output register, not by reading the pad level.
Signed-off-by: robert-hh <robert@hammelrath.com>
| -rw-r--r-- | ports/esp8266/esp_mphal.h | 7 | ||||
| -rw-r--r-- | ports/esp8266/machine_pin.c | 9 |
2 files changed, 16 insertions, 0 deletions
diff --git a/ports/esp8266/esp_mphal.h b/ports/esp8266/esp_mphal.h index e677fa450..0a4f92ac0 100644 --- a/ports/esp8266/esp_mphal.h +++ b/ports/esp8266/esp_mphal.h @@ -100,6 +100,13 @@ void mp_hal_pin_open_drain(mp_hal_pin_obj_t pin); else { gpio_output_set(1 << (p), 0, 1 << (p), 0); } \ } while (0) #define mp_hal_pin_read(p) pin_get(p) +static inline int mp_hal_pin_read_output(mp_hal_pin_obj_t pin) { + if (pin >= 16) { + return READ_PERI_REG(RTC_GPIO_OUT) & 1; + } else { + return (GPIO_REG_READ(GPIO_OUT_ADDRESS) >> pin) & 1; + } +} #define mp_hal_pin_write(p, v) pin_set((p), (v)) void *ets_get_esf_buf_ctlblk(void); diff --git a/ports/esp8266/machine_pin.c b/ports/esp8266/machine_pin.c index ec22c7c58..658966679 100644 --- a/ports/esp8266/machine_pin.c +++ b/ports/esp8266/machine_pin.c @@ -373,6 +373,14 @@ static mp_obj_t pyb_pin_on(mp_obj_t self_in) { } static MP_DEFINE_CONST_FUN_OBJ_1(pyb_pin_on_obj, pyb_pin_on); +// pin.toggle() +static mp_obj_t machine_pin_toggle(mp_obj_t self_in) { + pyb_pin_obj_t *self = self_in; + pin_set(self->phys_port, 1 - mp_hal_pin_read_output(self->phys_port)); + return mp_const_none; +} +static MP_DEFINE_CONST_FUN_OBJ_1(machine_pin_toggle_obj, machine_pin_toggle); + // pin.irq(handler=None, trigger=IRQ_FALLING|IRQ_RISING, hard=False) static mp_obj_t pyb_pin_irq(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { enum { ARG_handler, ARG_trigger, ARG_hard }; @@ -435,6 +443,7 @@ static const mp_rom_map_elem_t pyb_pin_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_value), MP_ROM_PTR(&pyb_pin_value_obj) }, { MP_ROM_QSTR(MP_QSTR_off), MP_ROM_PTR(&pyb_pin_off_obj) }, { MP_ROM_QSTR(MP_QSTR_on), MP_ROM_PTR(&pyb_pin_on_obj) }, + { MP_ROM_QSTR(MP_QSTR_toggle), MP_ROM_PTR(&machine_pin_toggle_obj) }, { MP_ROM_QSTR(MP_QSTR_irq), MP_ROM_PTR(&pyb_pin_irq_obj) }, // class constants |