608 lines
15 KiB
C
608 lines
15 KiB
C
/**************************************************************************************************
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*
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* Copyright (c) 2005 palmOne, Inc. or its subsidiaries.
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* All rights reserved.
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*
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*************************************************************************************************/
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/**************************************************************************************************
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*
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* File: IRCOMMReceiver.c
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*
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* Description: This file contains code that receives IRCOMM data and then displays it
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*
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* Version: 1.0 - Initial Revision (05/31/05)
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*
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*************************************************************************************************/
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#include <PalmOS.h>
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#include <HsNav.h>
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#include "Common.h"
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#include "IRCOMMReceiver.h"
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#include "IRCOMMReceiverRsc.h"
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#include "SerialMgr.h"
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#include "FeatureMgr.h"
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#define IRCOMM_RECEIVER_RECEIVE_FLUSH_TIMEOUT ( 0 )
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#define IRCOMM_RECEIVER_GET_EVENT_TIMEOUT ( 1 )
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#define IRCOMM_RECEIVER_BAUD_RATE_INITIAL ( 2400 )
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#define IRCOMM_RECEIVER_ERROR_OLD_SERIAL_MANAGER ( 1 )
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static Boolean gReceive = false;
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static UInt16 gPortId = 0;
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static UInt32 gBaudRate = IRCOMM_RECEIVER_BAUD_RATE_INITIAL;
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/***********************************************************************
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*
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* FUNCTION: PrvHandleMenu
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*
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* DESCRIPTION: Deals with menu commands issued
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*
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* PARAMETERS: itemID -> ID of the Menu which has been selected
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*
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* RETURNED: Nothing
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*
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* REVISION HISTORY:
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*
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*
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***********************************************************************/
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static void PrvHandleMenu(UInt16 itemID)
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{
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FormType *frmAboutP = NULL;
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const RGBColorType black = { 0, 0, 0 ,0 };
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const RGBColorType white = { 0, 255, 255 ,255 };
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const RectangleType currentColorRect = { {27, 142}, { 19, 17} };
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switch(itemID)
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{
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case HelpAboutIRCOMMReceiver:
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frmAboutP = FrmInitForm(AboutForm);
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FrmDoDialog(frmAboutP); // Display the About Box.
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FrmDeleteForm(frmAboutP);
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WinSetForeColorRGB(&white, NULL);
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WinSetTextColorRGB(&black, NULL);
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WinDrawRectangle(¤tColorRect, 0);
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break;
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}
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}
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/**************************************************************************************************
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*
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* FUNCTION: PrvHexPrint
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*
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* DESCRIPTION: Converts a char string to ascii values( hex ) and displays it in a field.
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*
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* PARAMETERS: bufferP - Char String to be converted.
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* size - The size of the string.
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*
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* RETURNED: none
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*
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*************************************************************************************************/
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static void PrvHexPrint( const UInt8 *bufferP,
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const UInt32 size )
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{
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UInt16 byteIterator = 0;
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Char bufferHex [ COMMON_BUFFER_HEX_LEN ];
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Char stringHex [ 6 ];
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FieldPtr fieldOutputHexP = (FieldPtr)NULL;
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FormType *frmP = (FormType *)FrmGetActiveForm( );
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fieldOutputHexP = (FieldPtr)FrmGetPtr( frmP, MainOutputHexField );
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bufferHex[ 0 ] = COMMON_CHAR_NULL;
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for ( byteIterator = 0; byteIterator < size; byteIterator++ )
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{
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StrPrintF( stringHex, "%2X ", (UInt8)( bufferP[ byteIterator ] & COMMON_MASK_8_0XFF ) );
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StrCat( bufferHex, &( stringHex[ 2 ] ) );
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}
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SetFieldTextFromStr( fieldOutputHexP, bufferHex, true );
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}
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/**************************************************************************************************
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*
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* FUNCTION: PrvOpenIrCommPort
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*
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* DESCRIPTION: Opens the IRCOMM Port.
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*
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* PARAMETERS: none
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*
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* RETURNED: Error Code if there is an error else errNone
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*
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*************************************************************************************************/
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Err PrvOpenIrCommPort( void )
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{
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UInt32 value = 0;
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Err err = errNone;
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UInt32 flags = 0;
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Int32 paramSize = 0;
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// Check to make sure that we have the new serial manager
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err = FtrGet( sysFileCSerialMgr, sysFtrNewSerialPresent, &value );
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if (err != errNone) {
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FrmCustomAlert( RomIncompatibleAlert, "FTR Get Failed", " ", " " );
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return ( err );
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}
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if (value == 0) {
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FrmCustomAlert( RomIncompatibleAlert, "Old Serial Manager", " ", " " );
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return ( IRCOMM_RECEIVER_ERROR_OLD_SERIAL_MANAGER );
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}
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/* open serial port */
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err = SrmOpen( sysFileCVirtIrComm, gBaudRate, &gPortId );
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if (err != errNone)
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{
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FrmCustomAlert( RomIncompatibleAlert, "SrmOpen failed", " ", " " );
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return ( err );
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}
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flags = ( srmSettingsFlagStopBits1
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| srmSettingsFlagParityOnM
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| srmSettingsFlagParityEvenM
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| srmSettingsFlagBitsPerChar8 );
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paramSize = sizeof( flags );
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err = SrmControl( gPortId,
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srmCtlSetFlags,
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(void *)&flags,
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(UInt16 *)¶mSize );
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if (err != errNone)
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{
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FrmCustomAlert( RomIncompatibleAlert, "srmCtlSetFlags failed", " ", " " );
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}
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return ( errNone );
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}
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/**************************************************************************************************
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*
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* FUNCTION: PrvIRCommDataReceive
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*
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* DESCRIPTION: This function receives IRCOMM data and then displays it.
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*
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* PARAMETERS: none.
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*
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* RETURNED: none
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*
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*************************************************************************************************/
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void PrvIRCommDataReceive( void )
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{
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UInt32 numOfBytes = 0;
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Err err = errNone;
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FormType *frmP = (FormType *)FrmGetActiveForm( );
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FieldPtr fieldOutputP = (FieldPtr)NULL;
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FieldPtr fieldDebugP = (FieldPtr)NULL;
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UInt8 receiveBuffer [ COMMON_BUFFER_LEN ];
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Char tempMessage [ COMMON_BUFFER_HEX_LEN ];
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Char conversionString [ maxStrIToALen ];
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UInt8 *serialBufferP = (UInt8 *)NULL;
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UInt32 freeSpace = ( sizeof( receiveBuffer ) - 1 );
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UInt32 numBytesWindow = 0;
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UInt8 *receiveBufferP = receiveBuffer;
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fieldOutputP = (FieldPtr)FrmGetPtr( frmP, MainOutputField );
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fieldDebugP = (FieldPtr)FrmGetPtr( frmP, MainDebugField );
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numOfBytes = 0;
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err = SrmReceiveCheck( gPortId, &numOfBytes );
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if (err != errNone)
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{
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SetFieldTextFromStr( fieldDebugP, "SrmReceiveCheck error", true );
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SrmClearErr( gPortId );
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if(SrmReceiveCheck( gPortId, &numOfBytes )!=errNone) return;
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}
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if (numOfBytes != 0)
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{
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numOfBytes = 0;
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do
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{
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SrmReceiveWindowOpen( gPortId, &serialBufferP, &numBytesWindow );
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if (numBytesWindow > freeSpace) {
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numBytesWindow = freeSpace;
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}
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freeSpace -= numBytesWindow;
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if (numBytesWindow > 0) {
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MemMove( receiveBufferP, serialBufferP, (Int32)numBytesWindow );
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}
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SrmReceiveWindowClose( gPortId, numBytesWindow );
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receiveBufferP += numBytesWindow;
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numOfBytes += numBytesWindow;
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} while (numBytesWindow > 0);
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/* print results */
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receiveBuffer[ numOfBytes ] = COMMON_CHAR_NULL;
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SetFieldTextFromStr( fieldOutputP, (Char *)receiveBuffer, true );
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PrvHexPrint( receiveBuffer, numOfBytes );
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StrCopy( tempMessage, "Received " );
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StrCat( tempMessage, StrIToA( conversionString, (Int32)numOfBytes ) );
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StrCat( tempMessage, "Byte(s) of IR Data, Baud Rate " );
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StrCat( tempMessage, StrIToA( conversionString, (Int32)gBaudRate ) );
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StrCat( tempMessage, ", Ready to receive IR Data!" );
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SetFieldTextFromStr( fieldDebugP, tempMessage, true );
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SrmReceiveFlush( gPortId, IRCOMM_RECEIVER_RECEIVE_FLUSH_TIMEOUT );
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}
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}
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/**************************************************************************************************
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*
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* FUNCTION: MainFormInit
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*
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* DESCRIPTION: This function initializes the main form
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*
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* PARAMETERS: frmP - Pointer to the main form
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*
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* RETURNED: None
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*
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*************************************************************************************************/
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/*
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void MainFormInit( const FormType *const frmP )
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{
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*frmP;
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}
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*/
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/**************************************************************************************************
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*
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* FUNCTION: MainFormDeinit
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*
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* DESCRIPTION: Thie function deinitializes the main form
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*
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* PARAMETERS: frmP - Pointer to the main form
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*
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* RETURNED: None
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*
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*************************************************************************************************/
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/*
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void MainFormDeinit( const FormType *const frmP )
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{
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*frmP;
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}
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*/
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/**************************************************************************************************
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*
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* FUNCTION: MainFormHandleEvent
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*
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* DESCRIPTION: Main form event handler.
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*
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* PARAMETERS: eventP - Pointer to an event.
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*
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* RETURNED: True if event was handled.
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*
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*************************************************************************************************/
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Boolean MainFormHandleEvent( EventType *eventP )
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{
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Boolean handled = false;
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FormType *frmP = FrmGetActiveForm( );
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ControlType *popTrigP = (ControlType *)NULL;
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Char *labelP = (Char *)NULL;
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FieldPtr fieldDebugP = (FieldPtr)NULL;
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FieldPtr fieldOutputP = (FieldPtr)NULL;
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FieldPtr fieldOutputHexP = (FieldPtr)NULL;
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fieldDebugP = (FieldPtr)FrmGetPtr( frmP, MainDebugField );
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fieldOutputP = (FieldPtr)FrmGetPtr( frmP, MainOutputField );
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fieldOutputHexP = (FieldPtr)FrmGetPtr( frmP, MainOutputHexField );
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switch (eventP->eType)
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{
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case frmOpenEvent:
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//MainFormInit( frmP );
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FrmDrawForm( frmP );
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FrmNavObjectTakeFocus(frmP, MainReceiveButton); // Set navigation focus
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handled = true;
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break;
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case frmCloseEvent:
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//MainFormDeinit( frmP );
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break;
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case ctlSelectEvent:
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switch (eventP->data.ctlSelect.controlID)
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{
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case MainReceiveButton:
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// The "Receive" button was hit.
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// Receive the IRCOMM data and display it.
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popTrigP = FrmGetPtr( frmP, MainBaudRatePopTrigger );
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labelP = (Char *)CtlGetLabel( popTrigP );
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gBaudRate = (UInt32)StrAToI( labelP );
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if (gPortId != 0)
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{
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SrmClose( gPortId );
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gPortId = 0;
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}
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PrvOpenIrCommPort( );
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SrmReceiveFlush( gPortId, IRCOMM_RECEIVER_RECEIVE_FLUSH_TIMEOUT );
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gReceive = true;
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handled = true;
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SetFieldTextFromStr( fieldOutputP, " ", true );
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SetFieldTextFromStr( fieldOutputHexP, " ", true );
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SetFieldTextFromStr( fieldDebugP, "Ready to Receive IRCOMM Data!", true );
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break;
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default:
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break;
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}
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break;
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case popSelectEvent:
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switch (eventP->data.popSelect.controlID)
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{
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case MainBaudRatePopTrigger:
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if (gPortId != 0)
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{
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SrmClose( gPortId );
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gPortId = 0;
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}
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gReceive = false;
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SetFieldTextFromStr( fieldDebugP, " ", true );
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SetFieldTextFromStr( fieldOutputP, " ", true );
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SetFieldTextFromStr( fieldOutputHexP, " ", true );
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break;
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default:
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break;
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}
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break;
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case menuEvent:
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PrvHandleMenu(eventP->data.menu.itemID);
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FrmDrawForm(frmP);
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handled = true;
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break;
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case nilEvent:
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if ( gReceive == true )
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{
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PrvIRCommDataReceive( );
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}
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break;
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default:
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break;
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}
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return ( handled );
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}
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#if 0
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#pragma mark -
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#endif
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/**************************************************************************************************
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*
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* FUNCTION: AppHandleEvent
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*
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* DESCRIPTION: Main application event handler.
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*
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* PARAMETERS: eventP - Pointer to an event.
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*
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* RETURNED: True if event was handled.
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*
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*************************************************************************************************/
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Boolean AppHandleEvent( const EventType *const eventP )
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{
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UInt16 formId = 0;
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FormType *frmP = (FormType *)NULL;
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if (eventP->eType == frmLoadEvent)
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{
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formId = eventP->data.frmLoad.formID;
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frmP = FrmInitForm( formId );
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FrmSetActiveForm( frmP );
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switch (formId)
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{
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case MainForm:
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FrmSetEventHandler( frmP, MainFormHandleEvent );
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break;
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default:
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break;
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}
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return ( true );
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}
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return ( false );
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}
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/**************************************************************************************************
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*
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* FUNCTION: AppEventLoop
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*
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* DESCRIPTION: Main Application event loop.
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*
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* PARAMETERS: None
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*
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* RETURNED: None
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*
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*************************************************************************************************/
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void AppEventLoop( void )
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{
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EventType event;
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Err error = errNone;
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do
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{
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EvtGetEvent( &event, IRCOMM_RECEIVER_GET_EVENT_TIMEOUT );
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if (SysHandleEvent( &event ) == false) {
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if (MenuHandleEvent( 0, &event, &error ) == false) {
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if (AppHandleEvent( &event ) == false) {
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FrmDispatchEvent( &event );
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}
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}
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}
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} while (event.eType != appStopEvent);
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}
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/**************************************************************************************************
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*
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* FUNCTION: AppStart
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*
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* DESCRIPTION: Called when the application starts
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*
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* PARAMETERS: None
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*
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* RETURNED: Error Code if there is an error else errNone
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*
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*************************************************************************************************/
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Err AppStart( void )
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{
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return ( errNone );
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}
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/**************************************************************************************************
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*
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* FUNCTION: AppStop
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*
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* DESCRIPTION: Called when the application exits
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*
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* PARAMETERS: - None
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*
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* RETURNED: - None
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*
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*************************************************************************************************/
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void AppStop( void )
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{
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if (gPortId != 0)
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{
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SrmClose( gPortId );
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gPortId = 0;
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}
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FrmCloseAllForms( );
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}
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/* all code from here to end of file should use no global variables */
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#pragma warn_a5_access on
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/**************************************************************************************************
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*
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* FUNCTION: RomVersionCompatible
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*
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* DESCRIPTION: Check if the ROM is compatible with the application
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*
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* PARAMETERS: requiredVersion - The minimal required version of the ROM.
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* launchFlags - Flags that help the application start itself.
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*
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* RETURNED: Error Code if there is an error else errNone
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*
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*************************************************************************************************/
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Err RomVersionCompatible( const UInt32 requiredVersion,
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const UInt16 launchFlags )
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{
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UInt32 romVersion = 0;
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FtrGet( sysFtrCreator, sysFtrNumROMVersion, &romVersion );
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if (romVersion < requiredVersion)
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{
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if ( (launchFlags & (sysAppLaunchFlagNewGlobals | sysAppLaunchFlagUIApp))
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== (sysAppLaunchFlagNewGlobals | sysAppLaunchFlagUIApp) )
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{
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FrmAlert( RomIncompatibleAlert );
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if (romVersion < kPalmOS20Version) {
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AppLaunchWithCommand( sysFileCDefaultApp,
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sysAppLaunchCmdNormalLaunch,
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NULL );
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}
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}
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return ( sysErrRomIncompatible );
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}
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return ( errNone );
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}
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/**************************************************************************************************
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*
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* FUNCTION: PilotMain
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*
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* DESCRIPTION: Main entry point for the application.
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*
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* PARAMETERS: cmd - Launch Code, tells the application how to start itself.
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* cmdPBP - Parameter Block for a launch code.
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* launchFlags - Flags that help the application start itself.
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*
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* RETURNED: Error code if there is an error else errNone
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*
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*************************************************************************************************/
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UInt32 PilotMain( const UInt16 cmd,
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const MemPtr cmdPBP,
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const UInt16 launchFlags )
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{
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Err error = errNone;
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*cmdPBP; // To avoid unused argument warning
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error = RomVersionCompatible( ourMinVersion, launchFlags );
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if (error) {
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return ( error );
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}
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switch (cmd)
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{
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case sysAppLaunchCmdNormalLaunch:
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error = AppStart( );
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if (error) {
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return ( error );
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}
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FrmGotoForm( MainForm );
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AppEventLoop( );
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AppStop( );
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break;
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default:
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break;
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}
|
|
|
|
return ( errNone );
|
|
}
|
|
|
|
|
|
/* turn a5 warning off to prevent it being set off by C++
|
|
* static initializer code generation */
|
|
#pragma warn_a5_access reset
|
|
|
|
/* EOF *******************************************************************************************/
|