FreeCalypso > hg > freecalypso-tools
view uptools/atcmd/atinterf.c @ 505:7bf0d909c87e
fc-loadtool flash ID check: change of reset after the check logic
This change only affects those flash configurations that have ID checks
enabled. The logic for resetting the flash after the ID check has been
changed as follows:
1) If the check fails, we return without attempting to reset the flash.
2) If the check is successful, we reset the flash using the configured
method (could be AMD or Intel or Intel W30) instead of always doing an
AMD flash reset as the original code did.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 27 May 2019 19:58:01 +0000 |
parents | f0e9bb28b4d6 |
children |
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/* * This module implements the interface functions to the AT command phone or * modem to be used by the rest of the FreeCalypso User Phone tools suite. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "../../rvinterf/include/exitcodes.h" static char atinterf_pathname[] = "/opt/freecalypso/bin/fcup-atinterf"; static char rvtat_pathname[] = "/opt/freecalypso/bin/fcup-rvtat"; static char shell_pathname[] = "/bin/sh"; char *target_ttyport, *target_baud, *external_prog; int rvtat_mode, no_target_mode; static char *backend_prog, *backend_argv[6]; FILE *cpipeF, *rpipeF; char at_response[514]; atinterf_cmdline_opt(opt) { extern char *optarg; switch (opt) { case 'B': target_baud = optarg; return(1); case 'n': no_target_mode = 1; return(1); case 'p': target_ttyport = optarg; return(1); case 'R': rvtat_mode = 1; return(1); case 'X': external_prog = optarg; return(1); } return(0); } static void preen_port_baud_config() { if (!target_ttyport && target_baud) { fprintf(stderr, "error: -B option invalid without -p\n"); exit(ERROR_USAGE); } if (rvtat_mode) return; if (!target_ttyport) { target_ttyport = getenv("FC_GSM_DEVICE"); if (!target_ttyport) { fprintf(stderr, "error: no FC GSM device target specified\n"); exit(ERROR_USAGE); } } if (!target_baud) target_baud = "115200"; } static void setup_be_native_at() { backend_prog = atinterf_pathname; backend_argv[0] = "fcup-atinterf"; backend_argv[1] = target_ttyport; backend_argv[2] = target_baud; backend_argv[3] = 0; } static void setup_be_rvtat() { char **ap; backend_prog = rvtat_pathname; ap = backend_argv; *ap++ = "fcup-rvtat"; if (target_ttyport) { *ap++ = "-p"; *ap++ = target_ttyport; } if (target_baud) { *ap++ = "-B"; *ap++ = target_baud; } *ap = 0; } static void setup_be_external() { backend_prog = shell_pathname; backend_argv[0] = "sh"; backend_argv[1] = "-c"; backend_argv[2] = external_prog; backend_argv[3] = 0; } atinterf_init() { int cpipe[2], rpipe[2], rc; if (no_target_mode) return(0); if (external_prog) setup_be_external(); else { preen_port_baud_config(); if (rvtat_mode) setup_be_rvtat(); else setup_be_native_at(); } if (pipe(cpipe) < 0 || pipe(rpipe) < 0) { perror("pipe"); exit(ERROR_UNIX); } rc = vfork(); if (rc < 0) { perror("vfork for launching back end"); exit(ERROR_UNIX); } if (!rc) { /* we are in the child - prepare to exec the BE */ dup2(cpipe[0], 0); dup2(rpipe[1], 1); close(cpipe[0]); close(cpipe[1]); close(rpipe[0]); close(rpipe[1]); /* do the exec */ execv(backend_prog, backend_argv); perror(backend_prog); _exit(1); } close(cpipe[0]); close(rpipe[1]); cpipeF = fdopen(cpipe[1], "w"); if (!cpipeF) { perror("fdopen"); exit(ERROR_UNIX); } rpipeF = fdopen(rpipe[0], "r"); if (!rpipeF) { perror("fdopen"); exit(ERROR_UNIX); } return(0); } atinterf_exec_cmd(command, message, callback) char *command, *message; void (*callback)(); { char *nl; if (no_target_mode) { puts(command); if (message) puts(message); strcpy(at_response, "FOK"); return(0); } if (message) { fputs("c+m\n", cpipeF); fprintf(cpipeF, "%s\n", command); fprintf(cpipeF, "%s\n", message); } else fprintf(cpipeF, "%s\n", command); fflush(cpipeF); for (;;) { if (!fgets(at_response, sizeof at_response, rpipeF)) { fprintf(stderr, "error reading AT response from back end\n"); exit(ERROR_RVINTERF); } nl = index(at_response, '\n'); if (!nl) { fprintf(stderr, "error: back end response is too long or unterminated\n"); exit(ERROR_RVINTERF); } *nl = '\0'; switch (at_response[0]) { case 'E': fprintf(stderr, "error from back end: %s\n", at_response + 1); exit(ERROR_RVINTERF); case 'F': return(0); case 'I': if (callback) callback(); continue; } fprintf(stderr, "error: invalid response from back end\n"); exit(ERROR_RVINTERF); } } atinterf_exec_cmd_needok(command, message, callback) char *command, *message; void (*callback)(); { atinterf_exec_cmd(command, message, callback); if (strcmp(at_response+1, "OK")) { fprintf(stderr, "AT error: %s\n", at_response+1); exit(ERROR_TARGET); } return(0); }