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#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include "ISP583.h"
#include "data.h"
#include "leddrv.h"
uint32_t bigendian16_sum(uint16_t *s, int len)
{
uint32_t sum = 0;
while (len-- > 0) {
sum += bswap16(s[len]);
}
return sum;
}
uint32_t data_flatSave(uint8_t *data, uint32_t len)
{
uint32_t r = EEPROM_ERASE(0, len);
if (r)
return r;
return EEPROM_WRITE(0, data, len);
}
uint16_t data_flash2newmem(uint8_t **chunk, uint32_t n)
{
data_legacy_t header;
EEPROM_READ(0, &header, LEGACY_HEADER_SIZE);
uint16_t size = bswap16(header.sizes[n]) * LED_ROWS;
if (size == 0)
return 0;
uint16_t offs = LEGACY_HEADER_SIZE
+ bigendian16_sum(header.sizes, n) * LED_ROWS;
*chunk = malloc(size);
EEPROM_READ(offs, *chunk, size);
return size;
}
static void __chunk2buffer(uint16_t *fb, uint8_t *chunk, int col)
{
uint16_t tmpfb[8] = {0};
for (int i=0; i<8; i++) {
for (int j=0; j<11; j++) {
tmpfb[i] |= ((chunk[j] >> (7-i)) & 0x01) << j;
}
}
for (int i=0; i<8; i++) {
fb[col+i] = tmpfb[i];
}
}
void chunk2buffer(uint8_t *chunk, uint16_t size, uint16_t *buf)
{
for (int i=0; i<size/11; i++) {
__chunk2buffer(buf, &chunk[i*11], 8 * i);
}
}
void chunk2fb(uint8_t *chunk, uint16_t size, fb_t *fb)
{
chunk2buffer(chunk, size, fb->buf);
}
fb_t *chunk2newfb(uint8_t *chunk, uint16_t size)
{
fb_t *fb = fb_new((size*8)/11);
chunk2fb(chunk, size, fb);
return fb;
}
fb_t *flash2newfb(uint32_t n)
{
uint8_t *buf;
uint16_t size = data_flash2newmem(&buf, n);
if (size == 0)
return NULL;
return chunk2newfb(buf, size);
free(buf);
}
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