4e556ab11f
* fix: crash in picture animation * ble: add next gen profile * force read header from flash anyway * fix: bmlist: mem leak * feat: add reset option after legacy transfers
96 lines
1.4 KiB
C
96 lines
1.4 KiB
C
#include "bmlist.h"
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#include <memory.h>
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volatile static bm_t *current, *head, *tail;
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static void bm_add(bm_t *new, bm_t *prev, bm_t *next)
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{
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next->prev = new;
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new->next = next;
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new->prev = prev;
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prev->next = new;
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}
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bm_t *bmlist_insert(bm_t *at, bm_t *new)
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{
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bm_add(new, at, at->next);
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return new;
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}
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bm_t *bmlist_append(bm_t *new)
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{
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bmlist_insert(tail, new);
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tail = new;
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return new;
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}
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bm_t *bmlist_gonext()
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{
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current = current->next;
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current->anim_step = 0;
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return current;
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}
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bm_t *bmlist_goprev()
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{
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current = current->prev;
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current->anim_step = 0;
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return current;
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}
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bm_t *bmlist_gohead()
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{
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current = head;
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current->anim_step = 0;
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return current;
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}
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bm_t *bmlist_head()
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{
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return head;
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}
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bm_t *bmlist_current()
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{
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return current;
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}
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static void list_del(bm_t *prev, bm_t *next)
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{
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prev->next = next;
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next->prev = prev;
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}
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bm_t *bmlist_drop(bm_t *bm)
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{
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list_del(bm->prev, bm->next);
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if (bm == head)
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head = bm->next;
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if (bm == tail)
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tail = bm->prev;
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free(bm);
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return bm->next;
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}
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bm_t *bm_new(uint16_t width)
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{
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bm_t *bm = malloc(sizeof(bm_t));
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memset(bm, 0, sizeof(bm_t));
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bm->width = width;
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bm->buf = malloc(width * sizeof(uint16_t));
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memset(bm->buf, 0, width * sizeof(uint16_t));
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bm->next = bm;
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bm->prev = bm;
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return bm;
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}
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void bmlist_init(uint16_t first_bm_width)
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{
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current = bm_new(first_bm_width);
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head = current;
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tail = current;
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}
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