+++ /dev/null
-/*
-
- $Id$
-
- G N O K I I
-
- A Linux/Unix toolset and driver for Nokia mobile phones.
-
- Released under the terms of the GNU GPL, see file COPYING for more details.
-
- This file provides a virtual modem or "AT" interface to the GSM phone by
- calling code in gsm-api.c. Inspired by and in places copied from the Linux
- kernel AT Emulator IDSN code by Fritz Elfert and others.
-
-*/
-
-#define __data_at_emulator_c
-
-
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <grp.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <ctype.h>
-
-#ifndef WIN32
-
- #include <termios.h>
-
-#endif
-
-#include "config.h"
-#include "misc.h"
-#include "gsm-common.h"
-#include "gsm-api.h"
-#include "data/at-emulator.h"
-#include "data/virtmodem.h"
-#include "data/datapump.h"
-
-#define MAX_LINE_LENGTH 256
-
- /* Global variables */
-bool ATEM_Initialised = false; /* Set to true once initialised */
-extern bool CommandMode;
-extern int ConnectCount;
-
-char ModelName[80]; /* This seems to be needed to avoid seg-faults */
-char PortName[80];
-
-
- /* Local variables */
-int PtyRDFD; /* File descriptor for reading and writing to/from */
-int PtyWRFD; /* pty interface - only different in debug mode. */
-
-u8 ModemRegisters[MAX_MODEM_REGISTERS];
-char CmdBuffer[MAX_CMD_BUFFERS][CMD_BUFFER_LENGTH];
-int CurrentCmdBuffer;
-int CurrentCmdBufferIndex;
-bool VerboseResponse; /* Switch betweek numeric (4) and text responses (ERROR) */
-char IncomingCallNo;
-int MessageFormat; /* Message Format (text or pdu) */
-
- /* Current command parser */
-void (*Parser)(char *);
-//void (*Parser)(char *) = ATEM_ParseAT; /* Current command parser */
-
-GSM_MemoryType SMSType;
-int SMSNumber;
-
- /* If initialised in debug mode, stdin/out is used instead
- of ptys for interface. */
-bool ATEM_Initialise(int read_fd, int write_fd, char *model, char *port)
-{
- PtyRDFD = read_fd;
- PtyWRFD = write_fd;
-
- strncpy(ModelName,model,80);
- strncpy(PortName,port,80);
-
- /* Initialise command buffer variables */
- CurrentCmdBuffer = 0;
- CurrentCmdBufferIndex = 0;
-
- /* Default to verbose reponses */
- VerboseResponse = true;
-
- /* Initialise registers */
- ATEM_InitRegisters();
-
- /* Initial parser is AT routine */
- Parser = ATEM_ParseAT;
-
- /* Setup defaults for AT*C interpreter. */
- SMSNumber = 1;
- SMSType = GMT_ME;
-
- /* Default message format is PDU */
- MessageFormat = PDU_MODE;
-
- /* Set the call passup so that we get notified of incoming calls */
- GSM->DialData(NULL,-1,&ATEM_CallPassup);
-
- /* We're ready to roll... */
- ATEM_Initialised = true;
- return (true);
-}
-
- /* Initialise the "registers" used by the virtual modem. */
-void ATEM_InitRegisters(void)
-{
-
- ModemRegisters[REG_RINGATA] = 0;
- ModemRegisters[REG_RINGCNT] = 2;
- ModemRegisters[REG_ESC] = '+';
- ModemRegisters[REG_CR] = 10;
- ModemRegisters[REG_LF] = 13;
- ModemRegisters[REG_BS] = 8;
- ModemRegisters[S35]=7;
- ModemRegisters[REG_ECHO] = BIT_ECHO;
-
-}
-
-
-/* This gets called to indicate an incoming call */
-
-void ATEM_CallPassup(char c)
-{
- if ((c >= 0) && (c < 9)) {
- ATEM_ModemResult(MR_RING);
- IncomingCallNo = c;
- }
-}
-
-
- /* Handler called when characters received from serial port.
- calls state machine code to process it. */
-
-void ATEM_HandleIncomingData(char *buffer, int length)
-{
- int count;
- unsigned char out_buf[3];
-
- for (count = 0; count < length ; count++) {
- /* Echo character if appropriate. */
- if (ModemRegisters[REG_ECHO] & BIT_ECHO) {
- out_buf[0] = buffer[count];
- out_buf[1] = 0;
- ATEM_StringOut(out_buf);
- }
-
- /* If it's a command terminator character, parse what
- we have so far then go to next buffer. */
- if (buffer[count] == ModemRegisters[REG_CR] ||
- buffer[count] == ModemRegisters[REG_LF]) {
-
- CmdBuffer[CurrentCmdBuffer][CurrentCmdBufferIndex] = 0x00;
- Parser(CmdBuffer[CurrentCmdBuffer]);
-
- CurrentCmdBuffer++;
- if (CurrentCmdBuffer >= MAX_CMD_BUFFERS) {
- CurrentCmdBuffer = 0;
- }
- CurrentCmdBufferIndex = 0;
- } else {
- CmdBuffer[CurrentCmdBuffer][CurrentCmdBufferIndex] = buffer[count];
- CurrentCmdBufferIndex++;
- if (CurrentCmdBufferIndex >= CMD_BUFFER_LENGTH) {
- CurrentCmdBufferIndex = CMD_BUFFER_LENGTH;
- }
- }
- }
-}
-
-
- /* Parser for standard AT commands. cmd_buffer must be null terminated. */
-void ATEM_ParseAT(char *cmd_buffer)
-{
- char *buf;
- char number[30];
-
- if (strncasecmp (cmd_buffer, "AT", 2) != 0) {
- ATEM_ModemResult(MR_ERROR);
- return;
- }
-
- for (buf = &cmd_buffer[2]; *buf;) {
- switch (toupper(*buf)) {
-
- case 'Z':
- buf++;
- break;
- case 'A':
- buf++;
- /* For now we'll also initialise the datapump + rlp code again */
- DP_Initialise(PtyRDFD, PtyWRFD);
- GSM->DialData(NULL, -1, &DP_CallPassup);
- GSM->AnswerCall(IncomingCallNo);
- CommandMode = false;
- return;
- break;
- case 'D':
- /* Dial Data :-) */
- /* FIXME - should parse this better */
- /* For now we'll also initialise the datapump + rlp code again */
- DP_Initialise(PtyRDFD, PtyWRFD);
- buf++;
- if (toupper(*buf) == 'T') buf++;
- if (*buf == ' ') buf++;
- strncpy(number, buf, 30);
- if (ModemRegisters[S35] == 0) GSM->DialData(number, 1, &DP_CallPassup);
- else GSM->DialData(number, 0, &DP_CallPassup);
- ATEM_StringOut("\n\r");
- CommandMode = false;
- return;
- break;
- case 'H':
- /* Hang Up */
- buf++;
- RLP_SetUserRequest(Disc_Req, true);
- GSM->CancelCall();
- break;
- case 'S':
- /* Change registers - only no. 35 for now */
- buf++;
- if (memcmp(buf, "35=", 3) == 0) {
- buf += 3;
- ModemRegisters[S35] = *buf - '0';
- buf++;
- }
- break;
- /* E - Turn Echo on/off */
- case 'E':
- buf++;
- switch (ATEM_GetNum(&buf)) {
- case 0:
- ModemRegisters[REG_ECHO] &= ~BIT_ECHO;
- break;
- case 1:
- ModemRegisters[REG_ECHO] |= BIT_ECHO;
- break;
- default:
- ATEM_ModemResult(MR_ERROR);
- return;
- }
- break;
-
- /* Handle AT* commands (Nokia proprietary I think) */
- case '*':
- buf++;
- if (!strcasecmp(buf, "NOKIATEST")) {
- ATEM_ModemResult(MR_OK); /* FIXME? */
- return;
- } else {
- if (!strcasecmp(buf, "C")) {
- ATEM_ModemResult(MR_OK);
- Parser = ATEM_ParseSMS;
- return;
- }
- }
- break;
-
- /* + is the precursor to another set of commands +CSQ, +FCLASS etc. */
- case '+':
- buf++;
- switch (toupper(*buf)) {
- case 'C':
- buf++;
- /* Returns true if error occured */
- if (ATEM_CommandPlusC(&buf) == true) {
- return;
- }
- break;
-
- case 'G':
- buf++;
- /* Returns true if error occured */
- if (ATEM_CommandPlusG(&buf) == true) {
- return;
- }
- break;
-
- default:
- ATEM_ModemResult(MR_ERROR);
- return;
- }
- break;
-
- default:
- ATEM_ModemResult(MR_ERROR);
- return;
- }
- }
-
- ATEM_ModemResult(MR_OK);
-}
-
-static GSM_Error ATEM_ReadSMS(int number, GSM_MemoryType type, GSM_SMSMessage *message)
-{
- GSM_Error error;
-
- message->MemoryType = type;
- message->Location = number;
- error = GSM->GetSMSMessage(message);
-
- return error;
-}
-
-static void ATEM_PrintSMS(char *line, GSM_SMSMessage *message, int mode)
-{
- switch (mode) {
- case INTERACT_MODE:
- gsprintf(line, MAX_LINE_LENGTH, _("\n\rDate/time: %d/%d/%d %d:%02d:%02d Sender: %s Msg Center: %s\n\rText: %s\n\r"), message->Time.Day, message->Time.Month, message->Time.Year, message->Time.Hour, message->Time.Minute, message->Time.Second, message->Sender, message->MessageCenter.Number, message->MessageText);
- break;
- case TEXT_MODE:
- if (message->Coding==GSM_Coding_8bit)
- gsprintf(line, MAX_LINE_LENGTH, _("\"%s\",\"%s\",,\"%02d/%02d/%02d,%02d:%02d:%02d+%02d\"\n\r%s"), (message->Status ? _("REC READ") : _("REC UNREAD")), message->Sender, message->Time.Year, message->Time.Month, message->Time.Day, message->Time.Hour, message->Time.Minute, message->Time.Second, message->Time.Timezone, _("<Not implemented>"));
- else
- gsprintf(line, MAX_LINE_LENGTH, _("\"%s\",\"%s\",,\"%02d/%02d/%02d,%02d:%02d:%02d+%02d\"\n\r%s"), (message->Status ? _("REC READ") : _("REC UNREAD")), message->Sender, message->Time.Year, message->Time.Month, message->Time.Day, message->Time.Hour, message->Time.Minute, message->Time.Second, message->Time.Timezone, message->MessageText);
- break;
- case PDU_MODE:
- gsprintf(line, MAX_LINE_LENGTH, _("<Not implemented>"));
- break;
- default:
- gsprintf(line, MAX_LINE_LENGTH, _("<Unknown mode>"));
- break;
- }
-}
-
-static void ATEM_EraseSMS(int number, GSM_MemoryType type)
-{
- GSM_SMSMessage message;
- message.MemoryType = type;
- message.Location = number;
- if (GSM->DeleteSMSMessage(&message) == GE_NONE) {
- ATEM_ModemResult(MR_OK);
- } else {
- ATEM_ModemResult(MR_ERROR);
- }
-}
-
-
-static void ATEM_HandleSMS()
-{
- GSM_SMSMessage message;
- GSM_Error error;
- char buffer[MAX_LINE_LENGTH];
-
- error = ATEM_ReadSMS(SMSNumber, SMSType, &message);
- switch (error) {
- case GE_NONE:
- ATEM_PrintSMS(buffer, &message, INTERACT_MODE);
- ATEM_StringOut(buffer);
- break;
- default:
- gsprintf(buffer, MAX_LINE_LENGTH, _("\n\rNo message under number %d\n\r"), SMSNumber);
- ATEM_StringOut(buffer);
- break;
- }
- return;
-}
-
- /* Parser for SMS interactive mode */
-void ATEM_ParseSMS(char *buff)
-{
- if (!strcasecmp(buff, "HELP")) {
- ATEM_StringOut(_("\n\rThe following commands work...\n\r"));
- ATEM_StringOut("DIR\n\r");
- ATEM_StringOut("EXIT\n\r");
- ATEM_StringOut("HELP\n\r");
- return;
- }
-
- if (!strcasecmp(buff, "DIR")) {
- SMSNumber = 1;
- ATEM_HandleSMS();
- Parser = ATEM_ParseDIR;
- return;
- }
- if (!strcasecmp(buff, "EXIT")) {
- Parser = ATEM_ParseAT;
- ATEM_ModemResult(MR_OK);
- return;
- }
- ATEM_ModemResult(MR_ERROR);
-}
-
- /* Parser for DIR sub mode of SMS interactive mode. */
-void ATEM_ParseDIR(char *buff)
-{
- switch (toupper(*buff)) {
- case 'P':
- SMSNumber--;
- ATEM_HandleSMS();
- return;
- case 'N':
- SMSNumber++;
- ATEM_HandleSMS();
- return;
- case 'D':
- ATEM_EraseSMS(SMSNumber, SMSType);
- return;
- case 'Q':
- Parser= ATEM_ParseSMS;
- ATEM_ModemResult(MR_OK);
- return;
- }
- ATEM_ModemResult(MR_ERROR);
-}
-
- /* Handle AT+C commands, this is a quick hack together at this
- stage. */
-bool ATEM_CommandPlusC(char **buf)
-{
- float rflevel;
- GSM_RFUnits rfunits = GRF_CSQ;
- char buffer[MAX_LINE_LENGTH], buffer2[MAX_LINE_LENGTH];
- int status, index;
- GSM_Error error;
- GSM_SMSMessage message;
-
- if (strncasecmp(*buf, "SQ", 2) == 0) {
- buf[0] += 2;
-
- if (GSM->GetRFLevel(&rfunits, &rflevel) == GE_NONE) {
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r+CSQ: %0.0f, 99", rflevel);
- ATEM_StringOut(buffer);
- return (false);
- } else {
- return (true);
- }
- }
- /* AT+CGMI is Manufacturer information for the ME (phone) so
- it should be Nokia rather than gnokii... */
- if (strncasecmp(*buf, "GMI", 3) == 0) {
- buf[0] += 3;
- ATEM_StringOut(_("\n\rNokia Mobile Phones"));
- return (false);
- }
-
- /* AT+CGSN is IMEI */
- if (strncasecmp(*buf, "GSN", 3) == 0) {
- buf[0] += 3;
- if (GSM->GetIMEI(buffer2) == GE_NONE) {
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r%s", buffer2);
- ATEM_StringOut(buffer);
- return (false);
- } else {
- return (true);
- }
- }
-
- /* AT+CGMR is Revision (hardware) */
- if (strncasecmp(*buf, "GMR", 3) == 0) {
- buf[0] += 3;
- if (GSM->GetRevision(buffer2) == GE_NONE) {
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r%s", buffer2);
- ATEM_StringOut(buffer);
- return (false);
- } else {
- return (true);
- }
- }
-
- /* AT+CGMM is Model code */
- if (strncasecmp(*buf, "GMM", 3) == 0) {
- buf[0] += 3;
- if (GSM->GetModel(buffer2) == GE_NONE) {
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r%s", buffer2);
- ATEM_StringOut(buffer);
- return (false);
- } else {
- return (true);
- }
- }
-
- /* AT+CMGF is mode selection for message format */
- if (strncasecmp(*buf, "MGF", 3) == 0) {
- buf[0] += 3;
- switch (**buf) {
- case '=':
- buf[0]++;
- switch (**buf) {
- case '0':
- buf[0]++;
- MessageFormat = PDU_MODE;
- break;
- case '1':
- buf[0]++;
- MessageFormat = TEXT_MODE;
- break;
- default:
- return (true);
- }
- break;
- case '?':
- buf[0]++;
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r+CMGF: %d", MessageFormat);
- ATEM_StringOut(buffer);
- break;
- default:
- return (true);
- }
- return (false);
- }
-
- /* AT+CMGR is reading a message */
- if (strncasecmp(*buf, "MGR", 3) == 0) {
- buf[0] += 3;
- switch (**buf) {
- case '=':
- buf[0]++;
- sscanf(*buf, "%d", &index);
- buf[0] += strlen(*buf);
-
- error = ATEM_ReadSMS(index, SMSType, &message);
- switch (error) {
- case GE_NONE:
- ATEM_PrintSMS(buffer2, &message, MessageFormat);
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r+CMGR: %s", buffer2);
- ATEM_StringOut(buffer);
- break;
- default:
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r+CMS ERROR: %d\n\r", error);
- ATEM_StringOut(buffer);
- return (true);
- }
- break;
- default:
- return (true);
- }
- return (false);
- }
-
- /* AT+CMGL is listing messages */
- if (strncasecmp(*buf, "MGL", 3) == 0) {
- buf[0]+=3;
- status = -1;
-
- switch (**buf) {
- case 0:
- case '=':
- buf[0]++;
- /* process <stat> parameter */
- if (*(*buf-1) == 0 || /* i.e. no parameter given */
- strcasecmp(*buf, "1") == 0 ||
- strcasecmp(*buf, "3") == 0 ||
- strcasecmp(*buf, "\"REC READ\"") == 0 ||
- strcasecmp(*buf, "\"STO SENT\"") == 0) {
- status = GSS_SENTREAD;
- } else if (strcasecmp(*buf, "0") == 0 ||
- strcasecmp(*buf, "2") == 0 ||
- strcasecmp(*buf, "\"REC UNREAD\"") == 0 ||
- strcasecmp(*buf, "\"STO UNSENT\"") == 0) {
- status = GSS_NOTSENTREAD;
- } else if (strcasecmp(*buf, "4") == 0 ||
- strcasecmp(*buf, "\"ALL\"") == 0) {
- status = 4; /* ALL */
- } else {
- return true;
- }
- buf[0] += strlen(*buf);
-
- /* check all message storages */
- for (index = 1; index <= 20; index++) {
- error = ATEM_ReadSMS(index, SMSType, &message);
- switch (error) {
- case GE_NONE:
- /* print messsage if it has the required status */
- if (message.Status == status || status == 4 /* ALL */) {
- ATEM_PrintSMS(buffer2, &message, MessageFormat);
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r+CMGL: %d,%s", index, buffer2);
- ATEM_StringOut(buffer);
- }
- break;
- case GE_EMPTYSMSLOCATION:
- /* don't care if this storage is empty */
- break;
- default:
- /* print other error codes and quit */
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r+CMS ERROR: %d\n\r", error);
- ATEM_StringOut(buffer);
- return (true);
- }
- }
- break;
- default:
- return (true);
- }
- return (false);
- }
-
- return (true);
-}
-
- /* AT+G commands. Some of these responses are a bit tongue in cheek... */
-bool ATEM_CommandPlusG(char **buf)
-{
- char buffer[MAX_LINE_LENGTH];
-
- /* AT+GMI is Manufacturer information for the TA (Terminal Adaptor) */
- if (strncasecmp(*buf, "MI", 3) == 0) {
- buf[0] += 2;
-
- ATEM_StringOut(_("\n\rHugh Blemings, Pavel JanÃk ml. and others..."));
- return (false);
- }
-
- /* AT+GMR is Revision information for the TA (Terminal Adaptor) */
- if (strncasecmp(*buf, "MR", 3) == 0) {
- buf[0] += 2;
- gsprintf(buffer, MAX_LINE_LENGTH, "\n\r%s %s %s", VERSION, __TIME__, __DATE__);
-
- ATEM_StringOut(buffer);
- return (false);
- }
-
- /* AT+GMM is Model information for the TA (Terminal Adaptor) */
- if (strncasecmp(*buf, "MM", 3) == 0) {
- buf[0] += 2;
-
- gsprintf(buffer, MAX_LINE_LENGTH, _("\n\rgnokii configured for %s on %s"), ModelName, PortName);
- ATEM_StringOut(buffer);
- return (false);
- }
-
- /* AT+GSN is Serial number for the TA (Terminal Adaptor) */
- if (strncasecmp(*buf, "SN", 3) == 0) {
- buf[0] += 2;
-
- gsprintf(buffer, MAX_LINE_LENGTH, _("\n\rnone built in, choose your own"));
- ATEM_StringOut(buffer);
- return (false);
- }
-
- return (true);
-}
-
- /* Send a result string back. There is much work to do here, see
- the code in the isdn driver for an idea of where it's heading... */
-void ATEM_ModemResult(int code)
-{
- char buffer[16];
-
- if (VerboseResponse == false) {
- sprintf(buffer, "\n\r%d\n\r", code);
- ATEM_StringOut(buffer);
- } else {
- switch (code) {
- case MR_OK:
- ATEM_StringOut("\n\rOK\n\r");
- break;
-
- case MR_ERROR:
- ATEM_StringOut("\n\rERROR\n\r");
- break;
-
- case MR_CARRIER:
- ATEM_StringOut("\n\rCARRIER\n\r");
- break;
-
- case MR_CONNECT:
- ATEM_StringOut("\n\rCONNECT\n\r");
- break;
-
- case MR_NOCARRIER:
- ATEM_StringOut("\n\rNO CARRIER\n\r");
- break;
- case MR_RING:
- ATEM_StringOut("RING\n\r");
- break;
- default:
- ATEM_StringOut(_("\n\rUnknown Result Code!\n\r"));
- break;
- }
- }
-
-}
-
-
- /* Get integer from char-pointer, set pointer to end of number
- stolen basically verbatim from ISDN code. */
-int ATEM_GetNum(char **p)
-{
- int v = -1;
-
- while (*p[0] >= '0' && *p[0] <= '9') {
- v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p[0]++) - '0');
- }
-
- return v;
-}
-
- /* Write string to virtual modem port, either pty or
- STDOUT as appropriate. This function is only used during
- command mode - data pump is used when connected. */
-void ATEM_StringOut(char *buffer)
-{
- int count = 0;
- char out_char;
-
- while (count < strlen(buffer)) {
-
- /* Translate CR/LF/BS as appropriate */
- switch (buffer[count]) {
- case '\r':
- out_char = ModemRegisters[REG_CR];
- break;
- case '\n':
- out_char = ModemRegisters[REG_LF];
- break;
- case '\b':
- out_char = ModemRegisters[REG_BS];
- break;
- default:
- out_char = buffer[count];
- break;
- }
-
- write(PtyWRFD, &out_char, 1);
- count ++;
- }
-
-}
git://git.jankratochvil.net / gnokii.git / blobdiff