9 static void make_srec(struct serial_if *sif, char type, size_t addr,
10 const void *data, size_t len)
12 char buf[80]; /* More than the largest possible size */
14 const uint8_t *dp = data;
15 size_t alen = (type == '0') ? 4 : 8;
19 p += sprintf(p, "S%c%02X%0*zX", type, len+alen+1, alen, addr);
21 csum = (len+alen+1) + addr + (addr >> 8) + (addr >> 16) + (addr >> 24);
23 p += sprintf(p, "%02X", *dp);
28 p += sprintf(p, "%02X\r\n", csum);
30 sif->write(sif, buf, p-buf);
33 void send_srec(struct serial_if *sif, struct file_info *fileinfo,
34 void (*gen_data) (void *, size_t, struct file_info *, size_t))
36 uint8_t blk_buf[1024];
38 size_t addr, len, bytes, chunk, offset, pos;
43 make_srec(sif, '0', 0, NULL, 0);
47 addr = fileinfo->base;
49 gen_data(blk_buf, sizeof blk_buf, fileinfo, pos);
50 pos += sizeof blk_buf;
51 bytes = sizeof blk_buf;
56 printf("Sending block %d...\r", blk);
60 chunk = bytes > 32 ? 32 : bytes;
62 make_srec(sif, '3', addr, np, chunk);
72 printf("\nSending EOT...\n");
73 make_srec(sif, '7', fileinfo->base, NULL, 0);