+++ /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 fbusirda protocol
-
-*/
-
-/* "Turn on" prototypes in fbusirda.h */
-#define __fbusirda_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/fbusirda.h"
-#include "protocol/fbus.h"
-#include "misc.h"
-
-GSM_Protocol FBUSIRDA_Functions = {
- FBUSIRDA_Initialise,
- FBUSIRDA_SendMessage,
- FBUSIRDA_SendFrame,
- FBUSIRDA_WritePhone,
- FBUSIRDA_Terminate,
- FBUSIRDA_RX_StateMachine
-};
-
-/* Local variables */
-enum FBUS_RX_States RX_State;
-
-u8 MessageDestination, MessageSource;
-
-u16 BufferCount;
-
-u16 MessageLength;
-
-u8 MessageType;
-
-u8 MessageBuffer[FBUS_MAX_RECEIVE_LENGTH * 6];
-
-#ifdef DEBUG
-char *FBUSIRDA_PrintDevice(int Device)
-{
- switch (Device) {
-
- case FBUS_DEVICE_PHONE:
- return _("Phone");
-
- case FBUS_DEVICE_PC:
- return _("PC");
-
- default:
- return _("Unknown");
-
- }
-}
-
-/* FBUSIRDA_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 FBUSIRDA_RX_DisplayMessage()
-{
- fprintf(stdout, _("Msg Source: %s\n"), FBUSIRDA_PrintDevice(MessageSource));
- fprintf(stdout, _("Msg Dest: %s\n"), FBUSIRDA_PrintDevice(MessageDestination));
- fprintf(stdout, _("Msg Type: %02x\n"), MessageType);
-
- hexdump( MessageLength, MessageBuffer);
-}
-#endif /* DEBUG */
-
-/* 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 FBUSIRDA_SendFrame(u16 message_length, u8 message_type, u8 *buffer) {
- u8 out_buffer[FBUSIRDA_MAX_CONTENT_LENGTH + 2];
-
- int current=0;
- int header=0;
-
- /* FIXME - we should check for the message length ... */
-
- /* Now construct the message header. */
-
- out_buffer[current++] = FBUSIRDA_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++] = message_length/256; /* Length1 */
- out_buffer[current++] = message_length%256; /* Length2 */
-
- /* Copy in data if any. */
-
- if (message_length != 0) {
- memcpy(out_buffer + current, buffer, message_length);
- header = current;
- current+=message_length;
- }
-
-#ifdef DEBUG
- NULL_TX_DisplayMessage( current, out_buffer);
-#endif /* DEBUG */
-
- /* Send it out... */
- return ( FBUSIRDA_WritePhone(current,out_buffer) - header);
-
-}
-
-int FBUSIRDA_SendMessage(u16 message_length, u8 message_type, u8 *buffer) {
-
- u8 frame_buffer[FBUSIRDA_MAX_CONTENT_LENGTH + 2];
- u16 ret;
-
- memcpy(frame_buffer, buffer, message_length);
- ret = FBUSIRDA_SendFrame(message_length, message_type, frame_buffer);
-
- if (ret != message_length)
- {
- printf("CAUTION: FBUSIRDA_SendFrame return written %d bytes of %d !\n",ret, message_length);
- return(false);
- }
- else
- return (true);
-}
-
-int FBUSIRDA_SendAck(u8 message_type, u8 message_seq) {
- return(true);
-}
-
-/* Applications should call MBUS_Terminate to shut down the MBUS thread and
- close the serial port. */
-void FBUSIRDA_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 FBUSIRDA_RX_StateMachine(unsigned char rx_byte) {
-
- unsigned char max;
-
- int i;
-
- i=0;
-
- switch (RX_State) {
-
- case FBUS_RX_Discarding:
- break;
-
- /* Messages from the phone start with an 0x14 (IRDA, Nokia:PhoNet).
- We use this to "synchronise" with the incoming data stream. */
-
- case FBUS_RX_Sync:
-
- if (rx_byte == FBUSIRDA_FRAME_ID) {
- BufferCount = 0;
- RX_State = FBUS_RX_GetDestination;
- }
-
- 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 */
-
-#ifdef DEBUG
- if (strstr(GSM_Info->IrdaModels,"decode")!=NULL)
- {
- if (rx_byte!=FBUS_DEVICE_PC && rx_byte!=FBUS_DEVICE_PHONE )
- {
- RX_State=FBUS_RX_Sync;
- fprintf(stdout,"decode: expected FBUS_DEVICE_PC/FBUS_DEVICE_PHONE, got %2x\n",rx_byte);
- }
- }//decode Model
- else
- {
-#endif
- if (rx_byte!=FBUS_DEVICE_PC)
- {
- RX_State=FBUS_RX_Sync;
-#ifdef DEBUG
- fprintf(stdout,"The FBUSIRDA stream is out of sync - expected FBUS_DEVICE_PC, got %2x\n",rx_byte);
-#endif
- }
-#ifdef DEBUG
- }//not decode Model
-#endif
-
- break;
-
- case FBUS_RX_GetSource:
-
- MessageSource=rx_byte;
- RX_State = FBUS_RX_GetType;
-
-#ifdef DEBUG
- if (strstr(GSM_Info->IrdaModels,"decode")!=NULL)
- {
- if (rx_byte!=FBUS_DEVICE_PC && rx_byte!=FBUS_DEVICE_PHONE )
- {
- RX_State=FBUS_RX_Sync;
- fprintf(stdout,"decode: expected FBUS_DEVICE_PC/FBUS_DEVICE_PHONE, got %2x\n",rx_byte);
- }
- }//decode Model
- else
- {
-#endif
- if (rx_byte!=FBUS_DEVICE_PHONE)
- {
- RX_State=FBUS_RX_Sync;
-#ifdef DEBUG
- fprintf(stdout,"The FBUSIRDA stream is out of sync - expected FBUS_DEVICE_PHONE, got %2x\n",rx_byte);
-#endif
- }
-#ifdef DEBUG
- }//not decode Model
-#endif
-
- break;
-
- case FBUS_RX_GetType:
-
- MessageType=rx_byte;
- RX_State = FBUS_RX_GetLength1;
-
- break;
-
- case FBUS_RX_GetLength1:
-
- MessageLength=0;
-
- /* 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 (rx_byte!=0) {
- max=rx_byte;
- MessageLength=max*256;
- }
-
- 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) - important
- 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
- if (rx_byte!=0) {
- max=rx_byte;
- MessageLength=MessageLength+max;
- }
-#endif
-
- RX_State = FBUS_RX_GetMessage;
-
- break;
-
- case FBUS_RX_GetMessage:
-
- MessageBuffer[BufferCount] = rx_byte;
- BufferCount ++;
-
- if (BufferCount == MessageLength)
- {
- if (MessageSource == FBUS_DEVICE_PHONE)
- {
-#ifdef DEBUG
- FBUSIRDA_RX_DisplayMessage();
-#endif /* DEBUG */
- GSM->DispatchMessage(MessageLength, MessageBuffer, MessageType);
- }
- else
- {
-#ifdef DEBUG
- /* for --decodefile */
- fprintf(stdout, _("Msg Source: %s\n"), FBUSIRDA_PrintDevice(MessageSource));
- fprintf(stdout, _("Msg Dest: %s\n"), FBUSIRDA_PrintDevice(MessageDestination));
- fprintf(stdout, _("Msg Type: %02x\n"), MessageType);
- hexdump( MessageLength, MessageBuffer);
-#endif /* DEBUG */
- }
-
- RX_State = FBUS_RX_Sync;
- }
- break;
- }
-}
-
-/* Called by initialisation code to open comm port in asynchronous mode. */
-bool FBUSIRDA_OpenSerial(void)
-{
-#ifdef DEBUG
- fprintf(stdout, _("Setting FBUS Irda communication...\n"));
-#endif /* DEBUG */
-
- return (true);
-
-}
-
-/* Initialise variables and state machine. */
-GSM_Error FBUSIRDA_Initialise(char *port_device, char *initlength,
- GSM_ConnectionType connection,
- void (*rlp_callback)(RLP_F96Frame *frame))
-{
- CurrentConnectionType = connection;
-
- if (!StartConnection(port_device,false,connection)) {
- return GE_INTERNALERROR;
- }
- RX_State=FBUS_RX_Sync;
-
- return (GE_NONE);
-}
-
-bool FBUSIRDA_WritePhone (u16 length, u8 *buffer) {
-
- if (!CurrentDisableKeepAlive)
- usleep(150);
-
- return (device_write(buffer,length));
-}
git://git.jankratochvil.net / gnokii.git / blobdiff