FreeCalypso > hg > freecalypso-tools
view loadtools/simup.c @ 890:76cc910c508e
document fc-imy2pwt
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 03 Apr 2022 05:29:17 +0000 |
parents | 02490e26f53d |
children |
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/* * This module implements the stage in fc-simint where the sim-up * command is fed to simagent and the ATR response is parsed. */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> extern int sim_voltage_mode_1v8; #define MAX_ATR_BYTES 33 u_char sim_atr[MAX_ATR_BYTES]; unsigned sim_atr_len; static sim_up_callback(line) char *line; { char *cp; puts(line); if (strncmp(line, "ATR:", 4)) return(1); sim_atr_len = 0; for (cp = line + 4; *cp; cp += 3) { if (cp[0] != ' ' || !isxdigit(cp[1]) || !isxdigit(cp[2])) { fprintf(stderr, "error: invalid ATR line from simagent\n"); return(1); } if (sim_atr_len >= MAX_ATR_BYTES) { fprintf(stderr, "error: ATR from simagent is too long\n"); return(1); } sim_atr[sim_atr_len++] = decode_hex_byte(cp + 1); } return(0); } void do_sim_up() { char *targv[3]; printf("Bringing up SIM interface at %s V\n", sim_voltage_mode_1v8 ? "1.8" : "3.0"); targv[0] = "sim-up"; targv[1] = sim_voltage_mode_1v8 ? "1.8" : "3"; targv[2] = 0; tpinterf_make_cmd(targv); if (tpinterf_send_cmd() < 0) exit(1); if (tpinterf_capture_output(20, sim_up_callback)) exit(1); if (!sim_atr_len) { fprintf(stderr, "error: no ATR returned from simagent\n"); exit(1); } }