--- /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