Diff: simplelink/cc3100_fs.cpp

Revision:

0:e89ba455dbcf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simplelink/cc3100_fs.cpp	Tue Feb 10 12:09:29 2015 +0000
@@ -0,0 +1,397 @@
+/*
+ * fs.c - CC31xx/CC32xx Host Driver Implementation
+ *
+ * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *    Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ *    Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the
+ *    distribution.
+ *
+ *    Neither the name of Texas Instruments Incorporated nor the names of
+ *    its contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+*/
+
+
+
+/*****************************************************************************/
+/* Include files                                                             */
+/*****************************************************************************/
+#include "cc3100_simplelink.h"
+#include "cc3100_protocol.h"
+#include "cc3100_driver.h"
+
+#include "cc3100_fs.h"
+
+/*****************************************************************************/
+/* Macro declarations                                                        */
+/*****************************************************************************/
+#define sl_min(a,b) (((a) < (b)) ? (a) : (b))
+#define MAX_NVMEM_CHUNK_SIZE  1460
+
+namespace mbed_cc3100 {
+
+cc3100_fs::cc3100_fs(cc3100_driver &driver)
+    : _driver(driver)
+{
+
+}
+
+cc3100_fs::~cc3100_fs()
+{
+
+}
+
+
+/*****************************************************************************/
+/* Internal functions                                                        */
+/*****************************************************************************/
+
+
+/*****************************************************************************/
+/* _sl_Strlen                                                                */
+/*****************************************************************************/
+uint16_t cc3100_fs::_sl_Strlen(const uint8_t *buffer)
+{
+    uint16_t len = 0;
+    if( buffer != NULL ) {
+        while(*buffer++) len++;
+    }
+    return len;
+}
+
+/*****************************************************************************/
+/* _sl_GetCreateFsMode                                                       */
+/*****************************************************************************/
+uint32_t cc3100_fs::_sl_GetCreateFsMode(uint32_t maxSizeInBytes,uint32_t accessFlags)
+{
+    uint32_t granIdx = 0;
+    uint32_t granNum = 0;
+    uint32_t granTable[_FS_MAX_MODE_SIZE_GRAN] = {256,1024,4096,16384,65536};
+    for(granIdx= _FS_MODE_SIZE_GRAN_256B ; granIdx< _FS_MAX_MODE_SIZE_GRAN; granIdx++) {
+        if( granTable[granIdx]*255 >= maxSizeInBytes )
+            break;
+    }
+    granNum = maxSizeInBytes/granTable[granIdx];
+    if( maxSizeInBytes % granTable[granIdx] != 0 )
+        granNum++;
+
+    return _FS_MODE(_FS_MODE_OPEN_WRITE_CREATE_IF_NOT_EXIST,  granIdx, granNum, accessFlags);
+}
+
+
+/*****************************************************************************/
+/* API functions                                                        */
+/*****************************************************************************/
+
+/*****************************************************************************/
+/*  sl_FsOpen */
+/*****************************************************************************/
+typedef union {
+    _FsOpenCommand_t	    Cmd;
+    _FsOpenResponse_t	    Rsp;
+} _SlFsOpenMsg_u;
+
+const _SlCmdCtrl_t _SlFsOpenCmdCtrl = {
+    SL_OPCODE_NVMEM_FILEOPEN,
+    sizeof(_FsOpenCommand_t),
+    sizeof(_FsOpenResponse_t)
+};
+
+#if _SL_INCLUDE_FUNC(sl_FsOpen)
+int32_t cc3100_fs::sl_FsOpen(uint8_t *pFileName,uint32_t AccessModeAndMaxSize, uint32_t *pToken,int32_t *pFileHandle)
+{
+    _SlReturnVal_t        RetVal;
+    _SlFsOpenMsg_u        Msg;
+    _SlCmdExt_t           CmdExt;
+
+    CmdExt.TxPayloadLen = (_sl_Strlen(pFileName)+4) & (~3); // add 4: 1 for NULL and the 3 for align
+    CmdExt.RxPayloadLen = 0;
+    CmdExt.pTxPayload = pFileName;
+    CmdExt.pRxPayload = NULL;
+
+    Msg.Cmd.Mode          =  AccessModeAndMaxSize;
+
+    if(pToken != NULL) {
+        Msg.Cmd.Token         = *pToken;
+    } else {
+        Msg.Cmd.Token         = 0;
+    }
+
+    RetVal = _driver._SlDrvCmdOp((_SlCmdCtrl_t *)&_SlFsOpenCmdCtrl, &Msg, &CmdExt);
+    *pFileHandle = Msg.Rsp.FileHandle;
+    if (pToken != NULL) {
+        *pToken =      Msg.Rsp.Token;
+    }
+
+    /* in case of an error, return the erros file handler as an error code */
+    if( *pFileHandle < 0 ) {
+        return *pFileHandle;
+    }
+    return (int32_t)RetVal;
+}
+#endif
+
+/*****************************************************************************/
+/* sl_FsClose */
+/*****************************************************************************/
+typedef union {
+    _FsCloseCommand_t	    Cmd;
+    _BasicResponse_t	    Rsp;
+} _SlFsCloseMsg_u;
+
+const _SlCmdCtrl_t _SlFsCloseCmdCtrl = {
+    SL_OPCODE_NVMEM_FILECLOSE,
+    sizeof(_FsCloseCommand_t),
+    sizeof(_FsCloseResponse_t)
+};
+
+#if _SL_INCLUDE_FUNC(sl_FsClose)
+int16_t cc3100_fs::sl_FsClose(int32_t FileHdl, uint8_t*  pCeritificateFileName,uint8_t*  pSignature ,uint32_t SignatureLen)
+{
+    _SlFsCloseMsg_u Msg = {0};
+    _SlCmdExt_t         ExtCtrl;
+
+    Msg.Cmd.FileHandle             = FileHdl;
+    if( pCeritificateFileName != NULL ) {
+        Msg.Cmd.CertificFileNameLength = (_sl_Strlen(pCeritificateFileName)+4) & (~3); /* add 4: 1 for NULL and the 3 for align */
+    }
+    Msg.Cmd.SignatureLen           = SignatureLen;
+
+    ExtCtrl.TxPayloadLen = ((SignatureLen+3) & (~3)); /* align */
+    ExtCtrl.pTxPayload   = pSignature;
+    ExtCtrl.RxPayloadLen = (uint16_t)Msg.Cmd.CertificFileNameLength;
+    ExtCtrl.pRxPayload   = pCeritificateFileName; /* Add signature */
+
+    if(ExtCtrl.pRxPayload != NULL &&  ExtCtrl.RxPayloadLen != 0) {
+        g_pCB->RelayFlagsViaRxPayload = TRUE;
+    }
+
+    VERIFY_RET_OK(_driver._SlDrvCmdOp((_SlCmdCtrl_t *)&_SlFsCloseCmdCtrl, &Msg, &ExtCtrl));
+
+    return (int16_t)((int16_t)Msg.Rsp.status);
+}
+#endif
+
+
+/*****************************************************************************/
+/* sl_FsRead */
+/*****************************************************************************/
+typedef union {
+    _FsReadCommand_t	    Cmd;
+    _FsReadResponse_t	    Rsp;
+} _SlFsReadMsg_u;
+
+const _SlCmdCtrl_t _SlFsReadCmdCtrl = {
+    SL_OPCODE_NVMEM_FILEREADCOMMAND,
+    sizeof(_FsReadCommand_t),
+    sizeof(_FsReadResponse_t)
+};
+
+#if _SL_INCLUDE_FUNC(sl_FsRead)
+int32_t cc3100_fs::sl_FsRead(int32_t FileHdl, uint32_t Offset, uint8_t*  pData, uint32_t Len)
+{
+    _SlFsReadMsg_u      Msg;
+    _SlCmdExt_t         ExtCtrl;
+    uint16_t      ChunkLen;
+    _SlReturnVal_t      RetVal =0;
+    int32_t                RetCount = 0;
+
+    ExtCtrl.TxPayloadLen = 0;
+    ExtCtrl.pTxPayload   = NULL;
+
+    ChunkLen = (uint16_t)sl_min(MAX_NVMEM_CHUNK_SIZE,Len);
+    ExtCtrl.RxPayloadLen = ChunkLen;
+    ExtCtrl.pRxPayload   = (uint8_t *)(pData);
+    Msg.Cmd.Offset       = Offset;
+    Msg.Cmd.Len          = ChunkLen;
+    Msg.Cmd.FileHandle   = FileHdl;
+    do {
+        RetVal = _driver._SlDrvCmdOp((_SlCmdCtrl_t *)&_SlFsReadCmdCtrl, &Msg, &ExtCtrl);
+        if(SL_OS_RET_CODE_OK == RetVal) {
+            if( Msg.Rsp.status < 0) {
+                if( RetCount > 0) {
+                    return RetCount;
+                } else {
+                    return Msg.Rsp.status;
+                }
+            }
+            RetCount += (int32_t)Msg.Rsp.status;
+            Len -= ChunkLen;
+            Offset += ChunkLen;
+            Msg.Cmd.Offset      = Offset;
+            ExtCtrl.pRxPayload   += ChunkLen;
+            ChunkLen = (uint16_t)sl_min(MAX_NVMEM_CHUNK_SIZE,Len);
+            ExtCtrl.RxPayloadLen  = ChunkLen;
+            Msg.Cmd.Len           = ChunkLen;
+            Msg.Cmd.FileHandle  = FileHdl;
+        } else {
+            return RetVal;
+        }
+    } while(ChunkLen > 0);
+
+    return (int32_t)RetCount;
+}
+#endif
+
+/*****************************************************************************/
+/* sl_FsWrite */
+/*****************************************************************************/
+typedef union {
+    _FsWriteCommand_t	    Cmd;
+    _FsWriteResponse_t	    Rsp;
+} _SlFsWriteMsg_u;
+
+const _SlCmdCtrl_t _SlFsWriteCmdCtrl = {
+    SL_OPCODE_NVMEM_FILEWRITECOMMAND,
+    sizeof(_FsWriteCommand_t),
+    sizeof(_FsWriteResponse_t)
+};
+
+
+#if _SL_INCLUDE_FUNC(sl_FsWrite)
+int32_t cc3100_fs::sl_FsWrite(int32_t FileHdl, uint32_t Offset, uint8_t*  pData, uint32_t Len)
+{
+    _SlFsWriteMsg_u     Msg;
+    _SlCmdExt_t         ExtCtrl;
+    uint16_t      ChunkLen;
+    _SlReturnVal_t      RetVal;
+    int32_t                RetCount = 0;
+
+    ExtCtrl.RxPayloadLen = 0;
+    ExtCtrl.pRxPayload   = NULL;
+
+    ChunkLen = (uint16_t)sl_min(MAX_NVMEM_CHUNK_SIZE,Len);
+    ExtCtrl.TxPayloadLen = ChunkLen;
+    ExtCtrl.pTxPayload   = (uint8_t *)(pData);
+    Msg.Cmd.Offset      = Offset;
+    Msg.Cmd.Len          = ChunkLen;
+    Msg.Cmd.FileHandle  = FileHdl;
+
+    do {
+
+        RetVal = _driver._SlDrvCmdOp((_SlCmdCtrl_t *)&_SlFsWriteCmdCtrl, &Msg, &ExtCtrl);
+        if(SL_OS_RET_CODE_OK == RetVal) {
+            if( Msg.Rsp.status < 0) {
+                if( RetCount > 0) {
+                    return RetCount;
+                } else {
+                    return Msg.Rsp.status;
+                }
+            }
+
+            RetCount += (int32_t)Msg.Rsp.status;
+            Len -= ChunkLen;
+            Offset += ChunkLen;
+            Msg.Cmd.Offset        = Offset;
+            ExtCtrl.pTxPayload   += ChunkLen;
+            ChunkLen = (uint16_t)sl_min(MAX_NVMEM_CHUNK_SIZE,Len);
+            ExtCtrl.TxPayloadLen  = ChunkLen;
+            Msg.Cmd.Len           = ChunkLen;
+            Msg.Cmd.FileHandle  = FileHdl;
+        } else {
+            return RetVal;
+        }
+    } while(ChunkLen > 0);
+
+    return (int32_t)RetCount;
+}
+#endif
+
+/*****************************************************************************/
+/* sl_FsGetInfo */
+/*****************************************************************************/
+typedef union {
+    _FsGetInfoCommand_t	    Cmd;
+    _FsGetInfoResponse_t    Rsp;
+} _SlFsGetInfoMsg_u;
+
+const _SlCmdCtrl_t _SlFsGetInfoCmdCtrl = {
+    SL_OPCODE_NVMEM_FILEGETINFOCOMMAND,
+    sizeof(_FsGetInfoCommand_t),
+    sizeof(_FsGetInfoResponse_t)
+};
+
+#if _SL_INCLUDE_FUNC(sl_FsGetInfo)
+int16_t cc3100_fs::sl_FsGetInfo(uint8_t *pFileName,uint32_t Token,SlFsFileInfo_t* pFsFileInfo)
+{
+    _SlFsGetInfoMsg_u    Msg;
+    _SlCmdExt_t          CmdExt;
+
+    CmdExt.TxPayloadLen = (_sl_Strlen(pFileName)+4) & (~3); /* add 4: 1 for NULL and the 3 for align  */
+    CmdExt.RxPayloadLen = 0;
+    CmdExt.pTxPayload   = pFileName;
+    CmdExt.pRxPayload   = NULL;
+    Msg.Cmd.Token       = Token;
+
+    VERIFY_RET_OK(_driver._SlDrvCmdOp((_SlCmdCtrl_t *)&_SlFsGetInfoCmdCtrl, &Msg, &CmdExt));
+
+    pFsFileInfo->flags        = Msg.Rsp.flags;
+    pFsFileInfo->FileLen      = Msg.Rsp.FileLen;
+    pFsFileInfo->AllocatedLen = Msg.Rsp.AllocatedLen;
+    pFsFileInfo->Token[0]     = Msg.Rsp.Token[0];
+    pFsFileInfo->Token[1]     = Msg.Rsp.Token[1];
+    pFsFileInfo->Token[2]     = Msg.Rsp.Token[2];
+    pFsFileInfo->Token[3]     = Msg.Rsp.Token[3];
+    return  (int16_t)((int16_t)Msg.Rsp.Status);
+}
+#endif
+
+/*****************************************************************************/
+/* sl_FsDel */
+/*****************************************************************************/
+typedef union {
+    _FsDeleteCommand_t   	    Cmd;
+    _FsDeleteResponse_t	        Rsp;
+} _SlFsDeleteMsg_u;
+
+const _SlCmdCtrl_t _SlFsDeleteCmdCtrl = {
+    SL_OPCODE_NVMEM_FILEDELCOMMAND,
+    sizeof(_FsDeleteCommand_t),
+    sizeof(_FsDeleteResponse_t)
+};
+
+#if _SL_INCLUDE_FUNC(sl_FsDel)
+int16_t cc3100_fs::sl_FsDel(uint8_t *pFileName,uint32_t Token)
+{
+    _SlFsDeleteMsg_u Msg;
+    _SlCmdExt_t          CmdExt;
+
+    CmdExt.TxPayloadLen = (_sl_Strlen(pFileName)+4) & (~3); /* add 4: 1 for NULL and the 3 for align */
+    CmdExt.RxPayloadLen = 0;
+    CmdExt.pTxPayload   = pFileName;
+    CmdExt.pRxPayload   = NULL;
+    Msg.Cmd.Token       = Token;
+
+
+    VERIFY_RET_OK(_driver._SlDrvCmdOp((_SlCmdCtrl_t *)&_SlFsDeleteCmdCtrl, &Msg, &CmdExt));
+
+    return  (int16_t)((int16_t)Msg.Rsp.status);
+}
+#endif
+
+}//namespace mbed_cc3100
+
+