68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stm32f4xx_hal.h>
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime.h"
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#include "pin.h"
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static void pin_named_pins_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
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pin_named_pins_obj_t *self = self_in;
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print(env, "<Pin.%s>", self->name);
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}
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static void pin_named_pins_obj_load_attr(mp_obj_t self_in, qstr attr_qstr, mp_obj_t *dest) {
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pin_named_pins_obj_t *self = self_in;
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const char *attr = qstr_str(attr_qstr);
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const pin_obj_t *pin = pin_find_named_pin(self->named_pins, attr);
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if (pin) {
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dest[0] = (mp_obj_t)pin;
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dest[1] = MP_OBJ_NULL;
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}
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}
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static const mp_obj_type_t pin_named_pins_obj_type = {
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{ &mp_type_type },
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.name = MP_QSTR_PinNamed,
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.print = pin_named_pins_obj_print,
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.load_attr = pin_named_pins_obj_load_attr,
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};
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const pin_named_pins_obj_t pin_board_pins_obj = {
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{ &pin_named_pins_obj_type },
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.name = "board",
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.named_pins = pin_board_pins,
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};
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const pin_named_pins_obj_t pin_cpu_pins_obj = {
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{ &pin_named_pins_obj_type },
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.name = "cpu",
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.named_pins = pin_cpu_pins,
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};
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const pin_obj_t *pin_find_named_pin(const pin_named_pin_t *named_pins, const char *name) {
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const pin_named_pin_t *named_pin = named_pins;
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while (named_pin->name) {
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if (!strcmp(name, named_pin->name)) {
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return named_pin->pin;
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}
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named_pin++;
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}
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return NULL;
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}
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const pin_af_obj_t *pin_find_af(const pin_obj_t *pin, uint8_t fn, uint8_t unit, uint8_t type) {
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const pin_af_obj_t *af = pin->af;
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for (int i = 0; i < pin->num_af; i++, af++) {
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if (af->fn == fn && af->unit == unit && af->type == type) {
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return af;
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}
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}
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return NULL;
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}
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