FreeCalypso > hg > freecalypso-tools
view rvinterf/asyncshell/at.c @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | bbc41034f14c |
children | dd0247097097 |
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/* * Functions for the AT-over-RVTMUX interface */ #include <sys/types.h> #include <sys/errno.h> #include <stdio.h> #include <ctype.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include <unistd.h> #include "pktmux.h" #include "limits.h" #include "exitcodes.h" extern u_char rvi_msg[]; extern int rvi_msg_len; extern int oneshot_nowait; extern int sock; send_string_to_ati(str) char *str; { unsigned len; u_char sendpkt[MAX_PKT_TO_TARGET+1]; len = strlen(str); if (len + 1 > MAX_PKT_TO_TARGET) { printf("error: max pkt to target limit exceeded\n"); return(ERROR_USAGE); } /* fill out the packet */ sendpkt[0] = RVT_AT_HEADER; strcpy(sendpkt + 1, str); /* send it! */ send_pkt_to_target(sendpkt, len + 1); return(0); } void cmd_sendat(arg) char *arg; { while (isspace(*arg)) arg++; if (!*arg) { printf("error: missing string argument\n"); return; } ati_rx_control(1); send_string_to_ati(arg); } oneshot_at_command(cmd) char *cmd; { fd_set fds; int rc; if (!oneshot_nowait) { init(); /* to catch the response properly */ ati_rx_control(1); } rc = send_string_to_ati(cmd); if (rc) exit(rc); if (oneshot_nowait) exit(0); /* wait for response */ for (;;) { FD_ZERO(&fds); FD_SET(sock, &fds); rc = select(sock+1, &fds, 0, 0, 0); if (rc < 0) { if (errno == EINTR) continue; perror("select"); exit(ERROR_UNIX); } if (FD_ISSET(sock, &fds)) handle_rvinterf_input(); } } cmd_str_oneshot(argc, argv) char **argv; { return oneshot_at_command(argv[1]); } void oneshot_at_check_response() { if (rvi_msg_len == 4 && !strncmp(rvi_msg + 2, "OK", 2)) exit(0); if (rvi_msg_len == 4 && !strncmp(rvi_msg + 2, "> ", 2)) exit(0); if (rvi_msg_len == 7 && !strncmp(rvi_msg + 2, "ERROR", 5)) exit(ERROR_TARGET); if (rvi_msg_len == 6 && !strncmp(rvi_msg + 2, "BUSY", 4)) exit(ERROR_TARGET); if (rvi_msg_len == 12 && !strncmp(rvi_msg + 2, "NO CARRIER", 10)) exit(ERROR_TARGET); if (rvi_msg_len >= 12 && !strncmp(rvi_msg + 2, "+CME ERROR", 10)) exit(ERROR_TARGET); if (rvi_msg_len >= 12 && !strncmp(rvi_msg + 2, "+CMS ERROR", 10)) exit(ERROR_TARGET); }