63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#include "libraries/adcfft/adcfft.hpp"
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#include <new>
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#define MP_OBJ_TO_PTR2(o, t) ((t *)(uintptr_t)(o))
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extern "C" {
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#include "adcfft.h"
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typedef struct _adcfft_obj_t {
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mp_obj_base_t base;
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ADCFFT *adcfft;
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} adcfft_obj_t;
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void adcfft_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
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(void)kind; //Unused input parameter
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adcfft_obj_t *self = MP_OBJ_TO_PTR2(self_in, adcfft_obj_t);
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(void)self;
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mp_print_str(print, "ADCFFT()");
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}
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mp_obj_t adcfft_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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enum { ARG_adc_channel, ARG_adc_gpio, ARG_sample_rate };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_adc_channel, MP_ARG_INT, {.u_int = 0} },
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{ MP_QSTR_adc_gpio, MP_ARG_INT, {.u_int = 26} },
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{ MP_QSTR_sample_rate, MP_ARG_INT, {.u_int = 10000u} }
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};
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// Parse args.
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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adcfft_obj_t *self = m_new_obj_with_finaliser(adcfft_obj_t);
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self->base.type = &adcfft_type;
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unsigned int adc_channel = args[ARG_adc_channel].u_int;
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unsigned int adc_gpio = args[ARG_adc_gpio].u_int;
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float sample_rate = (float)args[ARG_sample_rate].u_int;
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self->adcfft = new(m_new(ADCFFT, 1)) ADCFFT(adc_channel, adc_gpio, sample_rate);
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return MP_OBJ_FROM_PTR(self);
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}
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mp_obj_t adcfft__del__(mp_obj_t self_in) {
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adcfft_obj_t *self = MP_OBJ_TO_PTR2(self_in, adcfft_obj_t);
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self->adcfft->~ADCFFT();
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m_del(ADCFFT, self->adcfft, 1);
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return mp_const_none;
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}
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mp_obj_t adcfft_update(mp_obj_t self_in) {
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adcfft_obj_t *self = MP_OBJ_TO_PTR2(self_in, adcfft_obj_t);
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self->adcfft->update();
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return mp_const_none;
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}
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mp_obj_t adcfft_get_scaled(mp_obj_t self_in, mp_obj_t index, mp_obj_t scale) {
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adcfft_obj_t *self = MP_OBJ_TO_PTR2(self_in, adcfft_obj_t);
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return mp_obj_new_int(self->adcfft->get_scaled(mp_obj_get_int(index), mp_obj_get_int(scale)));
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}
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} |