FreeCalypso > hg > freecalypso-hwlab
view uicc/hlread.c @ 165:7a4e8d23ab3a
eeproms/icestick: programming for Lattice Icestick
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 30 Jul 2023 18:10:51 +0000 |
parents | 69628bcfec17 |
children |
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/* * This module implements some high-level or user-friendly read commands. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <pcsclite.h> #include <winscard.h> #include "globals.h" #include "file_id.h" encode_hex_digit(d) unsigned d; { if (d <= 9) return(d + '0'); else return(d - 10 + 'A'); } decode_reversed_nibbles(bytes, nbytes, dest) u_char *bytes; unsigned nbytes; char *dest; { u_char *sp; char *dp; unsigned n, c; sp = bytes; dp = dest; for (n = 0; n < nbytes; n++) { c = *sp & 0xF; *dp++ = encode_hex_digit(c); c = *sp >> 4; *dp++ = encode_hex_digit(c); sp++; } } cmd_iccid() { int rc; unsigned len; char buf[21]; rc = select_op(FILEID_MF); if (rc < 0) return(rc); rc = select_op(EF_ICCID); if (rc < 0) return(rc); rc = select_resp_get_transparent(&len); if (rc < 0) return(rc); if (len != 10) { fprintf(stderr, "error: expected transparent EF of 10 bytes\n"); return(-1); } rc = readbin_op(0, 10); if (rc < 0) return(rc); decode_reversed_nibbles(sim_resp_data, 10, buf); buf[20] = '\0'; printf("%s\n", buf); return(0); }