+++ /dev/null
-/*
-
- 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 an API for support for FBUS protocol
-
-*/
-
-/* "Turn on" prototypes in fbus.h */
-#define __fbus_c
-
-/* System header files */
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#ifdef WIN32
- #include <windows.h>
- #include "misc_win32.h"
-#else
- #include <ctype.h>
-#endif
-
-/* Various header file */
-#include "devices/device.h"
-#include "gsm-api.h"
-#include "protocol/fbus.h"
-#include "protocol/at.h"
-#include "newmodules/newat.h"
-#include "newmodules/n6110.h"
-#include "misc.h"
-
-GSM_Protocol FBUS_Functions = {
- FBUS_Initialise,
- FBUS_SendMessage,
- FBUS_SendFrame,
- NULL_WritePhone,
- FBUS_Terminate,
- FBUS_RX_StateMachine
-};
-
-/* Local variables */
-enum FBUS_RX_States RX_State;
-
-u8 MessageDestination, MessageSource;
-
-u16 BufferCount, MultiBufferCount;
-
-u16 MessageLength, MultiMessageLength;
-
-bool RX_Multiple = false;
-
-u8 MessageType,MultiMessageType;
-
-u8 MessageBuffer[FBUS_MAX_RECEIVE_LENGTH * 6],MultiMessageBuffer[FBUS_MAX_RECEIVE_LENGTH * 6];
-
-u8 RequestSequenceNumber = 0x00;
-
-#ifdef DEBUG
-char *N61_PrintDevice(int Device)
-{
- switch (Device) {
-
- case FBUS_DEVICE_PHONE:return _("Phone");
- case FBUS_DEVICE_PC :return _("PC");
- default :return _("Unknown");
- }
-}
-#endif /* DEBUG */
-
-/* N61_RX_DisplayMessage is called when a message we don't know about is
- received so that the user can see what is going back and forth, and perhaps
- shed some more light/explain another message type! */
-void N61_RX_DisplayMessage()
-{
-#ifdef DEBUG
- fprintf(stdout, _("Msg Dest: %s\n"), N61_PrintDevice(MessageDestination));
- fprintf(stdout, _("Msg Source: %s\n"), N61_PrintDevice(MessageSource));
- fprintf(stdout, _("Msg Type: %02x\n"), MessageType);
-
- hexdump(MessageLength-2,MessageBuffer);
-#endif
-
- AppendLog(MessageBuffer,MessageLength-2,true);
-}
-
-/* Prepares the message header and sends it, prepends the message start byte
- (0x1e) and other values according the value specified when called.
- Calculates checksum and then sends the lot down the pipe... */
-int FBUS_SendFrame(u16 message_length, u8 message_type, u8 *buffer) {
-
- /* Originally out_buffer[FBUS_MAX_CONTENT_LENGTH + 2],
- but it made problems with MBUS */
- u8 out_buffer[1000];
-
- int count, current=0;
- unsigned char checksum;
-
- /* FIXME - we should check for the message length ... */
-
- /* Now construct the message header. */
-
- if (CurrentConnectionType==GCT_FBUS)
- out_buffer[current++] = FBUS_FRAME_ID; /* Start of the frame indicator */
- else
- out_buffer[current++] = FBUS_IR_FRAME_ID; /* Start of the frame indicator */
-
- out_buffer[current++] = FBUS_DEVICE_PHONE; /* Destination */
-
- out_buffer[current++] = FBUS_DEVICE_PC; /* Source */
-
- out_buffer[current++] = message_type; /* Type */
-
- out_buffer[current++] = 0; /* Length1 */
- out_buffer[current++] = message_length; /* Length2 */
-
- /* Copy in data if any. */
- if (message_length != 0) {
- memcpy(out_buffer + current, buffer, message_length);
- current+=message_length;
- }
-
- /* If the message length is odd we should add pad byte 0x00 */
- if (message_length % 2)
- out_buffer[current++]=0x00;
-
- /* Now calculate checksums over entire message and append to message. */
-
- /* Odd bytes */
- checksum = 0;
- for (count = 0; count < current; count+=2)
- checksum ^= out_buffer[count];
-
- out_buffer[current++] = checksum;
-
- /* Even bytes */
- checksum = 0;
- for (count = 1; count < current; count+=2)
- checksum ^= out_buffer[count];
-
- out_buffer[current++] = checksum;
-
-#ifdef DEBUG
- NULL_TX_DisplayMessage(current, out_buffer);
-#endif /* DEBUG */
-
- /* Send it out... */
- if (!NULL_WritePhone(current,out_buffer))
- return (false);
-
- return (true);
-}
-
-int FBUS_SendMessage(u16 message_length, u8 message_type, u8 *buffer) {
-
- u8 seqnum;
-
- u8 frame_buffer[FBUS_MAX_CONTENT_LENGTH + 2];
-
- u8 nom, lml; /* number of messages, last message len */
- int i;
-
- seqnum = 0x40 + RequestSequenceNumber;
- RequestSequenceNumber = (RequestSequenceNumber + 1) & 0x07;
-
- if (message_length > FBUS_MAX_CONTENT_LENGTH) {
-
- nom = (message_length + FBUS_MAX_CONTENT_LENGTH - 1)
- / FBUS_MAX_CONTENT_LENGTH;
- lml = message_length - ((nom - 1) * FBUS_MAX_CONTENT_LENGTH);
-
- for (i = 0; i < nom - 1; i++) {
-
- memcpy(frame_buffer, buffer + (i * FBUS_MAX_CONTENT_LENGTH),
- FBUS_MAX_CONTENT_LENGTH);
- frame_buffer[FBUS_MAX_CONTENT_LENGTH] = nom - i;
- frame_buffer[FBUS_MAX_CONTENT_LENGTH + 1] = seqnum;
-
- FBUS_SendFrame(FBUS_MAX_CONTENT_LENGTH + 2, message_type,
- frame_buffer);
-
- seqnum = RequestSequenceNumber;
- RequestSequenceNumber = (RequestSequenceNumber + 1) & 0x07;
- }
-
- memcpy(frame_buffer, buffer + ((nom - 1) * FBUS_MAX_CONTENT_LENGTH), lml);
- frame_buffer[lml] = 0x01;
- frame_buffer[lml + 1] = seqnum;
- FBUS_SendFrame(lml + 2, message_type, frame_buffer);
-
- } else {
-
- memcpy(frame_buffer, buffer, message_length);
- frame_buffer[message_length] = 0x01;
- frame_buffer[message_length + 1] = seqnum;
- FBUS_SendFrame(message_length + 2, message_type, frame_buffer);
- }
-
- return (true);
-}
-
-int FBUS_SendAck(u8 message_type, u8 message_seq) {
-
- unsigned char request[6];
-
- request[0] = message_type;
- request[1] = message_seq;
-
-#ifdef DEBUG
- fprintf(stdout, _("[Sending Ack of type %02x, seq: %x]\n"), message_type, message_seq);
-#endif /* DEBUG */
-
- return FBUS_SendFrame(2, FBUS_FRTYPE_ACK, request);
-}
-
-/* Applications should call FBUS_Terminate to shut down the FBUS thread and
- close the serial port. */
-void FBUS_Terminate(void)
-{
- /* Request termination of thread */
- CurrentRequestTerminate = true;
-
- /* Close serial port. */
- device_close();
-}
-
-/* RX_State machine for receive handling. Called once for each character
- received from the phone/phone. */
-
-void FBUS_RX_StateMachine(unsigned char rx_byte) {
-
- static struct timeval time_now, time_last, time_diff;
-
- static int checksum[2];
-
- int i=0;
-
-// if (CurrentConnectionType==GCT_DLR3) {
-// AT_RX_StateMachine(rx_byte);
-// } else {
-
-#ifdef DEBUG
- /* For model sniff only display received bytes */
- if (strcmp(GSM_Info->FBUSModels, "sniff"))
- {
-#endif
-
- /* XOR the byte with the current checksum */
- checksum[BufferCount&1] ^= rx_byte;
-
- switch (RX_State) {
-
- /* Messages from the phone start with an 0x1e (FBUS) or 0x1c (IR) or 0x1f (MBUS).
- We use this to "synchronise" with the incoming data stream. However,
- if we see something else, we assume we have lost sync and we require
- a gap of at least 5ms before we start looking again. This is because
- the data part of the frame could contain a byte which looks like the
- sync byte */
-
- case FBUS_RX_Discarding:
-
-#ifndef VC6
- gettimeofday(&time_now, NULL);
- timersub(&time_now, &time_last, &time_diff);
- if (time_diff.tv_sec == 0 && time_diff.tv_usec < 5000) {
- time_last = time_now; /* no gap seen, continue discarding */
- break;
- }
- /* else fall through to... */
-#endif
-
- case FBUS_RX_Sync:
-
- if ((CurrentConnectionType==GCT_FBUS && rx_byte == FBUS_FRAME_ID) ||
- ((CurrentConnectionType==GCT_Infrared ||
- CurrentConnectionType==GCT_Tekram) && rx_byte == FBUS_IR_FRAME_ID)) {
-
- BufferCount = 0;
-
- RX_State = FBUS_RX_GetDestination;
-
- /* Initialize checksums. */
- checksum[0] = rx_byte;
- checksum[1] = 0;
- } else {
- /* Lost frame sync */
- RX_State = FBUS_RX_Discarding;
-#ifndef VC6
- gettimeofday(&time_last, NULL);
-#endif
- }
- break;
-
- case FBUS_RX_GetDestination:
-
- MessageDestination=rx_byte;
- RX_State = FBUS_RX_GetSource;
-
- /* When there is a checksum error and things get out of sync we have to manage to resync */
- /* If doing a data call at the time, finding a 0x1e etc is really quite likely in the data stream */
- /* Then all sorts of horrible things happen because the packet length etc is wrong... */
- /* Therefore we test here for a destination of 0x0c and return to the top if it is not */
- if (rx_byte!=FBUS_DEVICE_PC && strstr(GSM_Info->FBUSModels, "sniff")==NULL) {
- RX_State=FBUS_RX_Sync;
-#ifdef DEBUG
- fprintf(stdout,"The fbus stream is out of sync - expected 0x0c, got %2x\n",rx_byte);
-#endif
- AppendLogText("SYNC\n",false);
- }
-
- break;
-
- case FBUS_RX_GetSource:
-
- MessageSource=rx_byte;
- RX_State = FBUS_RX_GetType;
-
- /* Source should be 0x00 */
- if (rx_byte!=FBUS_DEVICE_PHONE && strstr(GSM_Info->FBUSModels, "sniff")==NULL) {
- RX_State=FBUS_RX_Sync;
-#ifdef DEBUG
- fprintf(stdout,"The fbus stream is out of sync - expected 0x00, got %2x\n",rx_byte);
-#endif
- AppendLogText("SYNC\n",false);
- }
-
- break;
-
- case FBUS_RX_GetType:
-
- MessageType=rx_byte;
-
- RX_State = FBUS_RX_GetLength1;
-
- break;
-
- case FBUS_RX_GetLength1:
-
- MessageLength = 0;
-
- RX_State = FBUS_RX_GetLength2;
-
- break;
-
- case FBUS_RX_GetLength2:
-
- /* MW:Here are problems with conversion. For chars 0-127 it's OK, for
- higher not (probably because rx_byte is char type) - improtant
- for MBUS. So, I make it double and strange - generally it should be
- more simple and make simple convert rx_byte into MessageLength */
-#if defined(__svr4__) || defined(__FreeBSD__)
- if (rx_byte!=0) {
- for (i=0;i<rx_byte;i++)
- MessageLength=MessageLength++;
- }
-#else
- MessageLength = rx_byte;
-#endif
-
- RX_State = FBUS_RX_GetMessage;
-
- break;
-
- case FBUS_RX_GetMessage:
-
- MessageBuffer[BufferCount] = rx_byte;
- BufferCount ++;
-
- if (BufferCount>FBUS_MAX_RECEIVE_LENGTH*6) {
-#ifdef DEBUG
- fprintf(stdout, "FB61: Message buffer overun - resetting\n");
-#endif
- AppendLogText("OVERUN\n",false);
- RX_Multiple=false;
- RX_State = FBUS_RX_Sync;
- break;
- }
-
- /* If this is the last byte, it's the checksum. */
- if (BufferCount == MessageLength+(MessageLength%2)+2) {
-
- /* Is the checksum correct? */
- if (checksum[0] == checksum[1]) {
-
- if (RX_Multiple) {
-
- if (MessageType==MultiMessageType) {
-
- if (MessageLength+MultiMessageLength>FBUS_MAX_RECEIVE_LENGTH*6) {
-#ifdef DEBUG
- fprintf(stdout, "FB61: Message buffer overun - resetting\n");
-#endif
- AppendLogText("OVERUN\n",false);
- RX_Multiple=false;
- RX_State = FBUS_RX_Sync;
- break;
- }
-
- /* We copy next part of multiframe message into special buffer */
- for (i=0;i<MessageLength;i++) {
- MultiMessageBuffer[i+MultiMessageLength]=MessageBuffer[i];
- }
- MultiMessageLength=MultiMessageLength+MessageLength-2;
-
- FBUS_SendAck(MessageType, MessageBuffer[MessageLength-1] & 0x0f);
-
- if ((MessageLength > 1) && (MessageBuffer[MessageLength-2] != 0x01))
- {
- } else {
- for (i=0;i<MultiMessageLength+2;i++) {
- MessageBuffer[i]=MultiMessageBuffer[i];
- }
- MessageLength=MultiMessageLength+2;
- RX_Multiple=false;
-
- /* Do not debug Ack and RLP frames to detail. */
- if (MessageType != FBUS_FRTYPE_ACK && MessageType != 0xf1)
- N61_RX_DisplayMessage();
-
- GSM->DispatchMessage(MessageLength, MessageBuffer, MessageType);
- }
-
- } else {
-
- /* We do not want to send ACK of ACKs and ACK of RLP frames. */
- if (MessageType != FBUS_FRTYPE_ACK && MessageType != 0xf1) {
- FBUS_SendAck(MessageType, MessageBuffer[MessageLength-1] & 0x0f);
-
- if ((MessageLength > 1) && (MessageBuffer[MessageLength-2] != 0x01))
- {
-#ifdef DEBUG
- fprintf(stdout,_("Multiframe message in multiframe message !\n"));
- fprintf(stdout,_("Please report it !\n"));
-#endif
- RX_State = FBUS_RX_Sync;
- }
- }
- }
- } else {
-
- /* We do not want to send ACK of ACKs and ACK of RLP frames. */
- if (MessageType != FBUS_FRTYPE_ACK && MessageType != 0xf1) {
- FBUS_SendAck(MessageType, MessageBuffer[MessageLength-1] & 0x0f);
-
- if ((MessageLength > 1) && (MessageBuffer[MessageLength-2] != 0x01))
- {
- /* We copy previous part of multiframe message into special buffer */
- RX_Multiple = true;
- for (i=0;i<MessageLength-2;i++) {
- MultiMessageBuffer[i]=MessageBuffer[i];
- }
- MultiMessageLength=MessageLength-2;
- MultiMessageType=MessageType;
- }
- }
-
- if (!RX_Multiple && MessageDestination!=FBUS_DEVICE_PHONE ) {
- /* Do not debug Ack and RLP frames to detail. */
- if (MessageType != FBUS_FRTYPE_ACK && MessageType != 0xf1)
- N61_RX_DisplayMessage();
-
- GSM->DispatchMessage(MessageLength, MessageBuffer, MessageType);
- }
-
-#ifdef DEBUG
- /* When make debug and message is to phone display it */
- if (MessageDestination==FBUS_DEVICE_PHONE) {
- for (i=MessageLength;i>=0;i--)
- MessageBuffer[i+6]=MessageBuffer[i];
- MessageBuffer[0]=FBUS_FRAME_ID;
- MessageBuffer[1]=FBUS_DEVICE_PHONE;
- MessageBuffer[2]=FBUS_DEVICE_PC;
- MessageBuffer[3]=MessageType;
- MessageBuffer[4]=0;
- MessageBuffer[5]=MessageLength;
- MessageLength=MessageLength+8;
- if (MessageLength % 2) MessageLength++;
- NULL_TX_DisplayMessage(MessageLength, MessageBuffer);
- }
-#endif
- }
- } else {
-#ifdef DEBUG
- fprintf(stdout, _("Bad checksum %02x (should be %02x), msg len=%i !\n"),checksum[0],checksum[1],MessageLength);
-#endif /* DEBUG */
- AppendLogText("CHECKSUM\n",false);
-
- /* Just to be sure! */
- RX_Multiple=false;
- }
- RX_State = FBUS_RX_Sync;
- }
- break;
- }
-
-#ifdef DEBUG
- } else {
- if (isprint(rx_byte))
- fprintf(stdout, "[%02x%c]", rx_byte, rx_byte);
- else
- fprintf(stdout, "[%02x ]", rx_byte);
-
- }
-#endif
-
-// }
-}
-
-/* Called by initialisation code to open comm port in asynchronous mode. */
-bool FBUS_OpenSerial(void)
-{
- /* Uncomment, if want to test first method for DLR3 */
-// unsigned char req[3] = {"AT\r"};
-// unsigned char req2[5] = {"AT&F\r"};
-// unsigned char req3[13] = {"AT*NOKIAFBUS\r"};
-
-// GSM_Error error;
-
-// GSM_Information *GSMINFOCOPY;
-// GSM_Functions *GSMCOPY;
-
- switch (CurrentConnectionType) {
- case GCT_FBUS:
-
-#ifdef DEBUG
- fprintf(stdout, _("Setting cable for FBUS communication...\n"));
-#endif /* DEBUG */
-
- device_changespeed(115200);
-
- /* Colin wrote:
- The data suite cable has some electronics built into the connector. This of
- course needs a power supply of some sorts to operate properly.
-
- In this case power is drawn off the handshaking lines of the PC. DTR has to
- be set and RTS have to be cleared, thus if you use a terminal program (that
- does not set the handshaking lines to these conditions) you will get weird
- results. It will not set them like this since if Request To Send (RTS) is
- not set the other party will not send any data (in hardware handshaking)
- and if DTS is not set (handshaking = none) the cable will not receive
- power. */
- /* clearing the RTS bit and setting the DTR bit*/
- device_setdtrrts(1, 0);
-
- break;
- case GCT_DLR3:
-
-#ifdef DEBUG
- fprintf(stdout, _("Setting DLR3 cable for FBUS communication...\n"));
-#endif /* DEBUG */
-
- /* There are 2 ways to init DLR in FBUS: Here is first described by
- Reuben Harris [reuben.harris@snowvalley.com] and used in Logo Manager,
- 1. Firstly set the connection baud to 19200, DTR off, RTS off,
- Parity on, one stop bit,
- 2. Send "AT\r\n". The response should be "AT\r\n\r\nOK\r\n".
- 3. Send "AT&F\r\n". The response should be "AT&F\r\n\r\nOK\r\n".
- 4. Send "AT*NOKIAFBUS\r\n". The response should be
- "AT*NOKIAFBUS\r\n\r\nOK\r\n".
- 5. Set speed to 115200
-
- This is one should be used by us, because seems to be compatible with more
- phones. But we make something wrong and often phones don't want to start transmision */
-
- /* Uncomment and test if want */
-// device_changespeed(19200);
-
- /*leave RTS low, DTR low for duration of session.*/
-// device_setdtrrts(0, 0);
-
- /* Making copy of pointers */
-// GSMCOPY = GSM;
-// GSMINFOCOPY =GSM_Info;
-
- /* Set pointers to relevant addresses - new "AT" module here is required */
-// GSM = &Nat_Functions;
-// GSM_Info = &Nat_Information;
-
- /* Note: We change Protocol inside function pointed by it.
- That's why in FBUS_RX_StateMachine we must check it (changing
- Protocol is not enough), This is for correct work and be sure... */
-// Protocol = &AT_Functions;
-
-// error=N6110_SendMessageSequence (50, &CurrentGetHWError, 3, 0x00, req);
-// if (error!=GE_NONE) return false;
-
-// error=N6110_SendMessageSequence (50, &CurrentGetHWError, 5, 0x00, req2);
-// if (error!=GE_NONE) return false;
-
-// error=N6110_SendMessageSequence (50, &CurrentGetHWError, 13, 0x00, req3);
-// if (error!=GE_NONE) return false;
-
- /* Returning to old protocol */
-// Protocol = &FBUS_Functions;
-
- /* Returning to old module */
-// GSM = GSMCOPY;
-// GSM_Info = GSMINFOCOPY;
-
-// device_changespeed(115200);
-
- /* Second method for DLR3:
- Used by some 7110 soft, but not compatible with some other
- phones supporting DLR3 - 7160, NCP2.0
- Used in this moment in mygnokii
- */
-
- device_changespeed(115200);
-
- /*leave RTS low, DTR low for duration of session.*/
- device_setdtrrts(0, 0);
-
- usleep(100000);
-
- CurrentConnectionType=GCT_FBUS;
-
- break;
- case GCT_Infrared:
- /* It's more complicated and not done here */
- break;
-
- case GCT_Tekram:
- /* It's more complicated and not done here */
- break;
-
- default:
-#ifdef DEBUG
- fprintf(stdout,_("Wrong connection type for fbus module. Inform marcin-wiacek@topnet.pl about it\n"));
-#endif
- break;
- }
-
- return (true);
-}
-
-/* Initialise variables and state machine. */
-GSM_Error FBUS_Initialise(char *port_device, char *initlength,
- GSM_ConnectionType connection,
- void (*rlp_callback)(RLP_F96Frame *frame))
-{
-
- if (!StartConnection (port_device,false,connection))
- return GE_INTERNALERROR;
-
- CurrentConnectionType = connection;
-
- if (FBUS_OpenSerial() != true) return GE_INTERNALERROR;
-
- return (GE_NONE);
-}
git://git.jankratochvil.net / gnokii.git / blobdiff