//serial_epoc.cpp
//EPOC serial comms for icdprog C program
/*
icdprog - an open source PIC programmer for use with the Microchip ICD(1)
Copyright (C) 2004 Andrew Ferry.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <e32base.h>
#include <e32test.h>
#include <e32svr.h>
#include <c32comm.h>
#include <f32file.h>
#include "serial.h"
#include <string.h>
#include <stdio.h>
RCommServ server;
RComm commPort;
void udelay(unsigned usec) {
User::After(usec);
}
void dtr_set()
{
commPort.SetSignals (KSignalDTR, 0);
}
void dtr_clear()
{
commPort.SetSignals (0,KSignalDTR);
}
void rts_set()
{
commPort.SetSignals (KSignalRTS, 0);
}
void rts_clear()
{
commPort.SetSignals (0, KSignalRTS);
}
int icd_read(char* s) {
TBuf8 <1> buf;
TRequestStatus stat = KRequestPending;
TTimeIntervalMicroSeconds32 tout=10000000;
commPort.Read (stat, tout, buf);
User::WaitForRequest(stat);
if (buf.Length()==1)
*s=(char) buf[0];
if (stat.Int() == KErrNone) return 1;
return stat.Int() ;
}
int icd_write(void* data, unsigned n_bytes) {
TBuf8 < 128 > buf;
TRequestStatus stat = KRequestPending;
buf.Copy((TUint8*)data);
commPort.Write (stat, buf,n_bytes);
User::WaitForRequest(stat);
return stat.Int ();
}
int serial_open(char *port)
{
//Load pdd and ldd
TInt r = User::LoadPhysicalDevice (_L("EUART1"));
if (r != KErrNone && r != KErrAlreadyExists){
printf("Error opening serial port: %d\n",r);
return -1;
}
r = User::LoadLogicalDevice (_L("ECOMM"));
if (r != KErrNone && r != KErrAlreadyExists) {
printf("Error opening serial port: %d\n",r);
return -1;
}
// Start the comms server process.
r = StartC32 ();
if (r != KErrNone && r != KErrAlreadyExists) {
printf("Error opening serial port: %d\n",r);
return -1;
}
// Connect to the comm server
r= server.Connect ();
if (r!= KErrNone) {
printf("Error opening serial port: %d\n",r);
return -1;
}
//Load CSY Module
r=server.LoadCommModule (_L("ECUART"));
if (r!=KErrNone) {
printf("Error opening serial port: %d\n",r);
return -1;
}
r = commPort.Open (server, _L("COMM::0"), ECommExclusive);
if (r!=KErrNone) {
printf("Error opening serial port: %d\n",r);
return -1;
}
TCommConfig portSettings;
commPort.Config (portSettings);
portSettings ().iRate = EBps57600;
portSettings ().iParity = EParityNone;
portSettings ().iDataBits = EData8;
portSettings ().iStopBits = EStop1;
portSettings ().iHandshake = KConfigFailDSR; // for no handshaking
portSettings ().iTerminator[0] = 10;
portSettings ().iTerminatorCount = 0;
r = commPort.SetConfig (portSettings);
if (r != 0) {
printf("Error setting serial port parameters: %d\n",r);
return -1;
}
TInt curlenth = commPort.ReceiveBufferLength ();
commPort.SetReceiveBufferLength (128);
curlenth = commPort.ReceiveBufferLength ();
return 0;
}
void serial_close()
{
commPort.Close ();
}