FreeCalypso > hg > tcs211-c139
diff gpf/tst/DRV/thif_link.c @ 0:509db1a7b7b8
initial import: leo2moko-r1
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Mon, 01 Jun 2015 03:24:05 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gpf/tst/DRV/thif_link.c Mon Jun 01 03:24:05 2015 +0000 @@ -0,0 +1,533 @@ +/* ++------------------------------------------------------------------------------ +| File: thif_link.c ++------------------------------------------------------------------------------ +| Copyright 2002 Texas Instruments Berlin, AG +| All rights reserved. +| +| This file is confidential and a trade secret of Texas +| Instruments Berlin, AG +| The receipt of or possession of this file does not convey +| any rights to reproduce or disclose its contents or to +| manufacture, use, or sell anything it may describe, in +| whole, or in part, without the specific written consent of +| Texas Instruments Berlin, AG. ++----------------------------------------------------------------------------- +| Purpose : This Modul contains the serial driver adaptation ++----------------------------------------------------------------------------- +*/ + +#ifndef __THIF_LINK_C__ +#define __THIF_LINK_C__ +#endif + +/* these types are used in thif_socket.h */ +#define Char char +#define Bool8 char +#define Int8 signed char +#define Uint8 unsigned char +#define UInt16 unsigned short int +#define Uint16 unsigned short int +#define Uint32 unsigned long int +#define Int32 long int + + +#ifdef _TARGET_ + #include "thif_link.h" + #include "\global_af\thif\thif_socket.h" + #include "string.h" +#else + #include <windows.h> + #include <stdio.h> + #include "usart.h" + #include "stdlib.h" + #include "string.h" + #include "tools.h" +#endif + +#include "vsi.h" +#include "drvconf.h" +#include "tstheader.h" +#include "os.h" + + + + + +/*==== TYPES ======================================================*/ + +typedef struct +{ + USHORT Handle; + USHORT EnabledSignalType; + T_DRV_CB_FUNC Callback; + char Connected; + Int8 thif_link; +} T_THIF_LINK_DATA; + + +typedef union { + USHORT scalar; + Uint8 array[2]; +} SWAPPER; + +/*==== CONSTANTS ==================================================*/ + +#define ALLOWED_THIF_LINK_SIGNALS (DRV_SIGTYPE_READ|DRV_SIGTYPE_CONNECT) +#define MAX_CONFIGSTR_LEN 50 +#define NO_GOTDATA_CALLBACK 0 +#define rxBufSz 0x800 +#define txBufSz 0x800 +#define WAIT_FOR_RECONNECT 500 + +/*==== EXTERNALS ==================================================*/ + + +/*==== VARIABLES ==================================================*/ + +T_THIF_LINK_DATA THIF_LINK_Data; +static T_DRV_SIGNAL Signal; + + +Uint8 rxBuffer[rxBufSz]; +Uint8 txBuffer[txBufSz]; +Uint8 *prxBuffer = &rxBuffer[0]; +Uint8 *ptxBuffer = &txBuffer[0]; + +GLOBAL OS_TIME WT; +GLOBAL OS_TIME RT; + +/* static unsigned long int foolishSizeArgument = 0; */ + + +/*==== FUNCTIONS ==================================================*/ + +#ifndef MIN +# define MIN(a,b) (((a) < (b)) ? (a) : (b)) +#endif + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : swapUSHORT | ++--------------------------------------------------------------------+ + + PURPOSE : byte sex handling + +*/ +void swapUSHORT(USHORT* candidate) +{ + SWAPPER source; + SWAPPER dest; + + source.scalar = *candidate; + dest.array[0] = source.array[1]; + dest.array[1] = source.array[0]; + *candidate = dest.scalar; + +} +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : beSureToBeConnected | ++--------------------------------------------------------------------+ + + PURPOSE : callback function of the driver + +*/ + +void beSureToBeConnected() +{ + if (THIF_LINK_Data.thif_link < 0) + { + thif_link_Open(); + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_binding_Callback | ++--------------------------------------------------------------------+ + + PURPOSE : callback function of the driver + +*/ +void thif_binding_Callback (Int8 sockId) /* this is a bridge to connect the THIF binding callback to the TR-defined callback (see thif_link_Open) */ +{ + if ( THIF_LINK_Data.EnabledSignalType & DRV_SIGTYPE_READ ) + { + Signal.SignalType = DRV_SIGTYPE_READ; + Signal.DrvHandle = THIF_LINK_Data.Handle; + (THIF_LINK_Data.Callback)( &Signal ); + } +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Exit | ++--------------------------------------------------------------------+ + + PURPOSE : exit a driver + +*/ +void thif_link_Exit ( void ) +{ + thif_link_Close(); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Open | ++--------------------------------------------------------------------+ + + PURPOSE : open connection to driver + +*/ +USHORT thif_link_Open(void) +{ + LONG result = -1; + + while (result < 0) + { + result = thif_socket_open(THIF_LINK_NAME, thif_binding_Callback, prxBuffer, rxBufSz, ptxBuffer, txBufSz ); + if (result < 0) + { + //os_SuspendTask ( 0, WAIT_FOR_RECONNECT); + } + } + THIF_LINK_Data.thif_link = result; + THIF_LINK_Data.EnabledSignalType = DRV_SIGTYPE_READ; + + Signal.SignalType = DRV_SIGTYPE_CONNECT; + Signal.DrvHandle = THIF_LINK_Data.Handle; + Signal.UserData = NULL; + (THIF_LINK_Data.Callback)( &Signal ); + + THIF_LINK_Data.Connected = TRUE; + return DRV_OK; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Close | ++--------------------------------------------------------------------+ + + PURPOSE : exit a driver + +*/ +USHORT thif_link_Close(void ) +{ + if (thif_socket_close(THIF_LINK_Data.thif_link) < 0) + { + return DRV_INTERNAL_ERROR; + } + THIF_LINK_Data.thif_link = -1; + THIF_LINK_Data.EnabledSignalType = DRV_SIGTYPE_DISCONNECT; + + Signal.DrvHandle = THIF_LINK_Data.Handle; + Signal.UserData = NULL; + (THIF_LINK_Data.Callback)( &Signal ); + + THIF_LINK_Data.Connected = FALSE; + return DRV_OK; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Read | ++--------------------------------------------------------------------+ + + PURPOSE : read data from driver + +*/ +USHORT thif_link_Read ( void *Buffer, ULONG *SizeInBytes) +{ + + OS_TIME timeBefore; + OS_TIME timeAfter; + T_HANDLE caller; + USHORT retVal; + +/* + ULONG to_read = *SizeInBytes; + Uint8* buff = (Uint8*) Buffer; + + beSureToBeConnected(); + caller = os_MyHandle(); + + if (foolishSizeArgument == 0) + { + to_read = thif_socket_read(THIF_LINK_Data.thif_link, buff, 2); + foolishSizeArgument = buff[0]*0xff + buff[1]; + } + to_read= foolishSizeArgument; + + //os_GetTime (caller, &timeBefore); + to_read = MIN(to_read, *SizeInBytes); + *SizeInBytes = thif_socket_read(THIF_LINK_Data.thif_link, buff, to_read); + + if (*SizeInBytes <= foolishSizeArgument) + { + foolishSizeArgument -= *SizeInBytes; + retVal = DRV_OK; + } + else + { + foolishSizeArgument = 0; + retVal = DRV_INTERNAL_ERROR; + } + + //os_GetTime (caller, &timeAfter); + //RT= timeAfter - timeBefore; + return retVal; +*/ + *SizeInBytes = thif_socket_read( THIF_LINK_Data.thif_link, Buffer, *SizeInBytes ); + return DRV_OK; + +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Write_to_socket | ++--------------------------------------------------------------------+ + + PURPOSE : write data to driver + +*/ +void thif_link_Write_to_socket (void *Buffer, ULONG sizeInBytes ) +{ + T_HANDLE caller; + Uint8* buff; + + OS_TIME timeBefore; + OS_TIME timeAfter; + ULONG to_write; + + LONG written = -1; + + + buff = (Uint8*) Buffer; + to_write = sizeInBytes; + caller = os_MyHandle(); + while (to_write > 0) + { + //os_GetTime (caller, &timeBefore); + written = thif_socket_write(THIF_LINK_Data.thif_link, buff, to_write); + //os_GetTime (caller, &timeAfter); + //WT = timeAfter - timeBefore; + if (written < 0) + { + //os_SuspendTask (caller, WAIT_FOR_RECONNECT); + } + else if (written == 0) + { + os_SuspendTask (caller, 2000); + //break; + } + else + { + to_write -= written; + buff += written; + } + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Write | ++--------------------------------------------------------------------+ + + PURPOSE : relay 2 byte header & data to thif_link_Write_to_socket + +*/ +USHORT thif_link_Write ( void *Buffer, ULONG *SizeInBytes ) +{ + USHORT TSTSocketMarker; + Uint8* buff; + + beSureToBeConnected(); + + /* TST's socket interface expects a 2-byte header containing the length of the real message to receive + in funtion socket_Read. We just send that header, converting it to little endian in advance + TSTSocketMarker = (USHORT) *SizeInBytes; + swapUSHORT(&TSTSocketMarker); + + buff = (Uint8*) &TSTSocketMarker; + thif_link_Write_to_socket( buff, 2); + */ + + buff = (Uint8*) Buffer; + thif_link_Write_to_socket(buff, *SizeInBytes); + + //thif_socket_flush(THIF_LINK_Data.thif_link); + return DRV_OK; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Flush | ++--------------------------------------------------------------------+ + + PURPOSE : flush data to driver + +*/ +USHORT thif_link_Flush (void) +{ + beSureToBeConnected(); + return thif_socket_flush(THIF_LINK_Data.thif_link); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_SetSignal | ++--------------------------------------------------------------------+ + + PURPOSE : enable signal for the driver + +*/ +USHORT thif_link_SetSignal ( USHORT SignalType ) +{ + if ( !(SignalType & ALLOWED_THIF_LINK_SIGNALS) ) + { + return DRV_INVALID_PARAMS; + } + else + { + THIF_LINK_Data.EnabledSignalType |= SignalType; + } + + return DRV_OK; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_ResetSignal | ++--------------------------------------------------------------------+ + + PURPOSE : disable signal for the driver + +*/ +USHORT thif_link_ResetSignal ( USHORT SignalType ) +{ + if ( !(SignalType & ALLOWED_THIF_LINK_SIGNALS) ) + { + return DRV_INVALID_PARAMS; + } + else + { + THIF_LINK_Data.EnabledSignalType &= ~SignalType; + } + + return DRV_OK; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_SetConfig | ++--------------------------------------------------------------------+ + + PURPOSE : set configuration for the driver + +*/ +USHORT thif_link_SetConfig ( char *buffer ) +{ + char token [64]; + unsigned int len; + USHORT result; + + result = DRV_OK; + + if ( (len = GetNextToken (buffer, token, " #")) == 0) + { + result = thif_link_Open(); + } + else + { + buffer += (len+1); + } + + if ( !strcmp ( "OPEN", token ) ) + { + result = thif_link_Open(); + } + else if ( !strcmp ( "CLOSE", token ) ) + { + result = thif_link_Close(); + } + else if ( !strcmp ( "EXIT", token ) ) + { + thif_link_Exit(); + } + else + { + result = DRV_INVALID_PARAMS; + } + + if ((result != DRV_OK) && (result != DRV_INVALID_PARAMS)) + { + result = DRV_NOTCONFIGURED; + } + + return result; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-Frame (8415) MODULE : thif_link | +| STATE : code ROUTINE : thif_link_Init | ++--------------------------------------------------------------------+ + + PURPOSE : initialize driver + +*/ +USHORT thif_link_Init ( USHORT DrvHandle, T_DRV_CB_FUNC CallbackFunc, T_DRV_EXPORT const **DrvInfo ) +{ +static const T_DRV_EXPORT thif_link_Info = +{ + THIF_LINK_NAME, + 0, + { +#ifdef _WIN32_ + thif_link_Init, +#endif + thif_link_Exit, + thif_link_Read, + thif_link_Write, + NULL, /* Look */ + NULL, /* Clear */ + thif_link_Flush, + thif_link_SetSignal, + thif_link_ResetSignal, + thif_link_SetConfig, + NULL, + NULL, + } +}; + + THIF_LINK_Data.Handle = DrvHandle; + + THIF_LINK_Data.EnabledSignalType = 0; + + THIF_LINK_Data.Callback = CallbackFunc; + + THIF_LINK_Data.Connected = FALSE; + + *DrvInfo = &thif_link_Info; + + return DRV_OK; +} +