30 lines
420 B
C
30 lines
420 B
C
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#include "lwapp.h"
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#include "lw.h"
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int lw_put_image_data(uint8_t *dst,FILE *infile)
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{
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uint16_t checksum;
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int bytes;
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if ( feof(infile)){
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lw_set_byte(dst+0,1);
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return 1;
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}
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bytes = fread(dst+3,1,LWAPP_BLOCKSIZE_IMAGE_DATA,infile);
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if ( ferror(infile)) {
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lw_set_byte(dst+0,5);
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return 1;
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}
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lw_set_byte(dst,3);
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checksum = lw_checksum(dst+3,bytes);
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lw_set_word(dst+1,checksum);
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return bytes+3;
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}
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