diff options
| author | Dan Halbert <halbert@halwitz.org> | 2019-10-12 15:42:15 -0400 |
|---|---|---|
| committer | Dan Halbert <halbert@halwitz.org> | 2019-10-12 15:42:15 -0400 |
| commit | c1ab2486f9e26c5a61c910cdf08c67d81b92f85b (patch) | |
| tree | b1cc8964a3a3476b03dee6c38be7efd690c99a00 /shared-bindings/microcontroller | |
| parent | 0ccab508f13560d499d87237e25fb4f17913afcb (diff) | |
return chip vcc value
Diffstat (limited to 'shared-bindings/microcontroller')
| -rw-r--r-- | shared-bindings/microcontroller/Processor.c | 22 | ||||
| -rw-r--r-- | shared-bindings/microcontroller/Processor.h | 1 |
2 files changed, 23 insertions, 0 deletions
diff --git a/shared-bindings/microcontroller/Processor.c b/shared-bindings/microcontroller/Processor.c index be685b0a8..023f063e0 100644 --- a/shared-bindings/microcontroller/Processor.c +++ b/shared-bindings/microcontroller/Processor.c @@ -113,10 +113,32 @@ const mp_obj_property_t mcu_processor_uid_obj = { }, }; +//| .. attribute:: voltage +//| +//| The input voltage to the microcontroller, as a float. (read-only) +//| +//| Is `None` if the voltage is not available. +//| +STATIC mp_obj_t mcu_processor_get_voltage(mp_obj_t self) { + float voltage = common_hal_mcu_processor_get_voltage(); + return isnan(voltage) ? mp_const_none : mp_obj_new_float(voltage); +} + +MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_voltage_obj, mcu_processor_get_voltage); + +const mp_obj_property_t mcu_processor_voltage_obj = { + .base.type = &mp_type_property, + .proxy = {(mp_obj_t)&mcu_processor_get_voltage_obj, // getter + (mp_obj_t)&mp_const_none_obj, // no setter + (mp_obj_t)&mp_const_none_obj, // no deleter + }, +}; + STATIC const mp_rom_map_elem_t mcu_processor_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_frequency), MP_ROM_PTR(&mcu_processor_frequency_obj) }, { MP_ROM_QSTR(MP_QSTR_temperature), MP_ROM_PTR(&mcu_processor_temperature_obj) }, { MP_ROM_QSTR(MP_QSTR_uid), MP_ROM_PTR(&mcu_processor_uid_obj) }, + { MP_ROM_QSTR(MP_QSTR_voltage), MP_ROM_PTR(&mcu_processor_voltage_obj) }, }; STATIC MP_DEFINE_CONST_DICT(mcu_processor_locals_dict, mcu_processor_locals_dict_table); diff --git a/shared-bindings/microcontroller/Processor.h b/shared-bindings/microcontroller/Processor.h index 28f054420..1088112f4 100644 --- a/shared-bindings/microcontroller/Processor.h +++ b/shared-bindings/microcontroller/Processor.h @@ -36,5 +36,6 @@ const mp_obj_type_t mcu_processor_type; uint32_t common_hal_mcu_processor_get_frequency(void); float common_hal_mcu_processor_get_temperature(void); void common_hal_mcu_processor_get_uid(uint8_t raw_id[]); +float common_hal_mcu_processor_get_voltage(void); #endif // MICROPY_INCLUDED_SHARED_BINDINGS_MICROCONTROLLER_PROCESSOR_H |