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/* (c) 2002-2003 by Marcin Wiacek */
/* Based on some work from Gnokii (www.gnokii.org)
* (C) 1999-2000 Hugh Blemings & Pavel Janik ml. (C) 2001-2004 Pawel Kot
* GNU GPL version 2 or later
*/
#include "../../gsmstate.h"
#if defined(GSM_ENABLE_IRDA) || defined(GSM_ENABLE_PHONETBLUE) || defined(GSM_ENABLE_BLUEPHONET)
#include <stdio.h>
#include <string.h>
#include "../../gsmcomon.h"
#include "phonet.h"
static GSM_Error PHONET_WriteMessage (GSM_StateMachine *s,
unsigned char *MsgBuffer,
int MsgLength,
unsigned char MsgType)
{
unsigned char *buffer2;
int sent;
GSM_DumpMessageLevel3(s, MsgBuffer, MsgLength, MsgType);
buffer2 = (unsigned char *)malloc(MsgLength + 6);
buffer2[0] = PHONET_FRAME_ID,
buffer2[1] = PHONET_DEVICE_PHONE; //destination
buffer2[2] = PHONET_DEVICE_PC; //source
if (s->ConnectionType==GCT_PHONETBLUE || s->ConnectionType==GCT_BLUEPHONET) {
buffer2[0] = PHONET_BLUE_FRAME_ID;
buffer2[1] = PHONET_DEVICE_PHONE; //destination
buffer2[2] = PHONET_BLUE_DEVICE_PC; //source
}
buffer2[3] = MsgType;
buffer2[4] = MsgLength / 256;
buffer2[5] = MsgLength % 256;
memcpy(buffer2 + 6, MsgBuffer, MsgLength);
GSM_DumpMessageLevel2(s, buffer2+6, MsgLength, MsgType);
/* Sending to phone */
sent = s->Device.Functions->WriteDevice(s,buffer2,MsgLength+6);
free(buffer2);
if (sent!=MsgLength+6) return ERR_DEVICEWRITEERROR;
return ERR_NONE;
}
static GSM_Error PHONET_StateMachine(GSM_StateMachine *s, unsigned char rx_char)
{
GSM_Protocol_PHONETData *d = &s->Protocol.Data.PHONET;
bool correct = false;
if (d->MsgRXState==RX_GetMessage) {
d->Msg.Buffer[d->Msg.Count] = rx_char;
d->Msg.Count++;
/* This is not last byte in frame */
if (d->Msg.Count != d->Msg.Length) return ERR_NONE;
s->Phone.Data.RequestMsg = &d->Msg;
s->Phone.Data.DispatchError = s->Phone.Functions->DispatchMessage(s);
free(d->Msg.Buffer);
d->Msg.Length = 0;
d->Msg.Buffer = NULL;
d->MsgRXState = RX_Sync;
return ERR_NONE;
}
if (d->MsgRXState==RX_GetLength2) {
d->Msg.Length = d->Msg.Length + rx_char;
d->Msg.Buffer = (unsigned char *)malloc(d->Msg.Length);
d->MsgRXState = RX_GetMessage;
return ERR_NONE;
}
if (d->MsgRXState==RX_GetLength1) {
d->Msg.Length = rx_char * 256;
d->MsgRXState = RX_GetLength2;
return ERR_NONE;
}
if (d->MsgRXState==RX_GetType) {
d->Msg.Type = rx_char;
d->MsgRXState = RX_GetLength1;
return ERR_NONE;
}
if (d->MsgRXState==RX_GetSource) {
if (rx_char != PHONET_DEVICE_PHONE) {
if (s->di.dl==DL_TEXT || s->di.dl==DL_TEXTALL || s->di.dl==DL_TEXTERROR ||
s->di.dl==DL_TEXTDATE || s->di.dl==DL_TEXTALLDATE || s->di.dl==DL_TEXTERRORDATE) {
smprintf(s,"[ERROR: incorrect char - %02x, not %02x]\n", rx_char, PHONET_DEVICE_PHONE);
}
d->MsgRXState = RX_Sync;
return ERR_NONE;
}
d->Msg.Source = rx_char;
d->MsgRXState = RX_GetType;
return ERR_NONE;
}
if (d->MsgRXState==RX_GetDestination) {
switch (s->ConnectionType) {
case GCT_IRDAPHONET:
if (rx_char == PHONET_DEVICE_PC) correct = true;
break;
case GCT_PHONETBLUE:
case GCT_BLUEPHONET:
if (rx_char == PHONET_BLUE_DEVICE_PC) correct = true;
break;
default:
break;
}
if (!correct) {
if (s->di.dl==DL_TEXT || s->di.dl==DL_TEXTALL || s->di.dl==DL_TEXTERROR ||
s->di.dl==DL_TEXTDATE || s->di.dl==DL_TEXTALLDATE || s->di.dl==DL_TEXTERRORDATE) {
smprintf(s,"[ERROR: incorrect char - %02x, not %02x]\n", rx_char, PHONET_DEVICE_PC);
}
d->MsgRXState = RX_Sync;
return ERR_NONE;
}
d->Msg.Destination = rx_char;
d->MsgRXState = RX_GetSource;
return ERR_NONE;
}
if (d->MsgRXState==RX_Sync) {
switch (s->ConnectionType) {
case GCT_IRDAPHONET:
if (rx_char == PHONET_FRAME_ID) correct = true;
break;
case GCT_PHONETBLUE:
case GCT_BLUEPHONET:
if (rx_char == PHONET_BLUE_FRAME_ID) correct = true;
break;
default:
break;
}
if (!correct) {
if (s->di.dl==DL_TEXT || s->di.dl==DL_TEXTALL || s->di.dl==DL_TEXTERROR ||
s->di.dl==DL_TEXTDATE || s->di.dl==DL_TEXTALLDATE || s->di.dl==DL_TEXTERRORDATE) {
smprintf(s,"[ERROR: incorrect char - %02x, not %02x]\n", rx_char, PHONET_FRAME_ID);
}
return ERR_NONE;
}
d->Msg.Count = 0;
d->MsgRXState = RX_GetDestination;
return ERR_NONE;
}
return ERR_NONE;
}
static GSM_Error PHONET_Initialise(GSM_StateMachine *s)
{
int total = 0, i, n;
GSM_Protocol_PHONETData *d = &s->Protocol.Data.PHONET;
unsigned char req[50];
d->Msg.Length = 0;
d->Msg.Buffer = NULL;
d->MsgRXState = RX_Sync;
if (s->ConnectionType == GCT_PHONETBLUE || s->ConnectionType == GCT_BLUEPHONET) {
/* Send frame in PHONET style */
req[0] = PHONET_BLUE_FRAME_ID; req[1] = PHONET_DEVICE_PHONE;
req[2] = PHONET_BLUE_DEVICE_PC; req[3] = 0xD0;
req[4] = 0x00; req[5] = 0x01;
req[6] = 0x04;
if (s->Device.Functions->WriteDevice(s,req,7) != 7) return ERR_DEVICEWRITEERROR;
while (total < 7) {
n = s->Device.Functions->ReadDevice(s, req + total, 50 - total);
total += n;
}
/* Answer frame in PHONET style */
req[10] = PHONET_BLUE_FRAME_ID; req[11] = PHONET_BLUE_DEVICE_PC;
req[12] = PHONET_DEVICE_PHONE; req[13] = 0xD0;
req[14] = 0x00; req[15] = 0x01;
req[16] = 0x05;
for (i = 0; i < 7; i++) {
if (req[i] != req[10+i]) {
smprintf(s,"Incorrect byte in the answer\n");
return ERR_UNKNOWN;
}
}
}
return ERR_NONE;
}
static GSM_Error PHONET_Terminate(GSM_StateMachine *s)
{
free(s->Protocol.Data.PHONET.Msg.Buffer);
return ERR_NONE;
}
GSM_Protocol_Functions PHONETProtocol = {
PHONET_WriteMessage,
PHONET_StateMachine,
PHONET_Initialise,
PHONET_Terminate
};
#endif
/* How should editor hadle tabs in this file? Add editor commands here.
* vim: noexpandtab sw=8 ts=8 sts=8:
*/
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