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https://github.com/grblHAL/core.git
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71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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encoders.c - quadrature encoder interface (API)
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Part of grblHAL
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Copyright (c) 2026 Terje Io
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grblHAL is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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grblHAL is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with grblHAL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "hal.h"
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#include "encoders.h"
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static struct encoders {
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encoder_t *encoder;
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struct encoders *next;
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} *encoders = NULL;
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static uint8_t n_encoders = 0;
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void encoder_register (encoder_t *encoder)
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{
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struct encoders *add, *last;
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if((add = malloc(sizeof(struct encoders)))) {
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add->next = NULL;
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add->encoder = encoder;
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if((last = encoders)) {
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while(last->next)
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last = last->next;
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last->next = add;
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} else
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encoders = add;
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n_encoders++;
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}
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}
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bool encoders_enumerate (encoder_enumerate_callback_ptr callback, void *data)
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{
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bool ok = false;
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struct encoders *encoder = encoders;
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if(encoder) do {
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ok = callback(encoder->encoder, data);
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} while(!ok && (encoder = encoder->next));
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return ok;
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}
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uint8_t encoders_get_count (void)
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{
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return n_encoders;
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}
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