FreeCalypso > hg > tcs211-fcmodem
diff chipsetsw/drivers/drv_app/ffs/board/pcmcode.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/chipsetsw/drivers/drv_app/ffs/board/pcmcode.c Mon Jun 01 03:24:05 2015 +0000 @@ -0,0 +1,243 @@ +/****************************************************************************** + * Flash File System (ffs) + * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com + * + * Condat PCM Compatibility Support + * + * $Id: pcmcode.c 1.46 Tue, 06 Nov 2001 11:55:21 +0100 tsj $ + * + ******************************************************************************/ + +#ifndef TARGET + #include "board.cfg" + #include "ffs.cfg" +#endif + +#include <string.h> +#include "ffs/pcm.h" +#include "ffs/ffs.h" +#include "ffs/board/ffstrace.h" + +#if (TARGET == 1) + #include "sys.cfg" + #if (BOARD == 34) + #include "ffs/board/ffspcm.h" + #endif +#else + #define STD 6 + #define NULL 0 +#endif + + +extern const T_PCM_DESCRIPTION pcm_table[]; +extern const UBYTE pcm_default_values[]; +extern UBYTE pcm_mem []; +extern UBYTE std; + + +/****************************************************************************** + * + ******************************************************************************/ + +// pcm_Init() has been renamed to pcm_init() so that it is not called +// anywhere else than it should. The old pcm_Init() is now empty. This new +// pcm_init() scans through the pcm file table and attempts to read each +// file from ffs into the pcm RAM image. + +drv_Return_Type pcm_Init(void) +{ + return PCM_INITIALIZED; +} + + +// Note that PCM file data chunks start with one byte for the file data +// checksum, followed by another byte for the version. The third byte +// (offset 2) is the start of the actual filedata. We ignore these first two +// bytes e.g. we only read/write the actual file data! + + +// look up a PCM file +int pcm_lookup(char *pcm_name) +{ + int i = 0; + + while (pcm_table[i].identifier != NULL) + { + if (!strcmp((char *) pcm_name, pcm_table[i].identifier + 5)) + return i; + i++; + } + return -1; // not found. +} + +drv_Return_Type pcm_init(void) +{ + int i = 0; + effs_t error; + + ttw(ttr(TTrInit, "pcm_init" NL)); + +// Avenger 2 tri band radio +#if (BOARD==34) + std = ffs_GetBand(); +#else + std = STD; +#endif + + while (pcm_table[i].identifier != NULL) + { + error = ffs_fread(pcm_table[i].identifier, + &pcm_mem[pcm_table[i].start + 2], + (pcm_table[i].length - 2) * pcm_table[i].records); + + if (error < EFFS_OK) { + // copy defaults to pcm_mem + memcpy (&pcm_mem[pcm_table[i].start] + 2, + &pcm_default_values[pcm_table[i].start - 2*i], + pcm_table[i].records * (pcm_table[i].length - 2)); + } + pcm_mem[pcm_table[i].start + 1] = 1; // file version + i++; + } + + return PCM_INITIALIZED; +} + +drv_Return_Type pcm_GetFileInfo(UBYTE * in_FileName, + pcm_FileInfo_Type * out_FileInfoPtr) +{ + int i = pcm_lookup((char*)in_FileName); + + ttw(ttr(TTrPcmRead, "pcm_gfi(%s)" NL, in_FileName)); + + if (i == -1) + return PCM_INVALID_FILE; + + out_FileInfoPtr->FileLocation = &pcm_mem [pcm_table[i].start+2]; + out_FileInfoPtr->FileSize = pcm_table[i].length -2; + // As Condat has determined that all files is version 1, we just + // hardwire exactly that! + // out_FileInfoPtr->Version = pcm_mem [pcm_table[i].start + 1]; + out_FileInfoPtr->Version = 1; + + return PCM_OK; +} + + +/****************************************************************************** + * Normal read/write functions + ******************************************************************************/ + +drv_Return_Type pcm_ReadFile(UBYTE * in_FileName, + USHORT in_BufferSize, + UBYTE * out_BufferPtr, + UBYTE * out_VersionPtr) +{ + int i = pcm_lookup((char*)in_FileName); + + ttw(ttr(TTrPcmRead, "pcm_rf(%s)" NL, in_FileName)); + + if (i == -1) + return PCM_INVALID_FILE; + + if (in_BufferSize + 2 != pcm_table[i].length) + return PCM_INVALID_SIZE; + + // checksum check removed --- it is redundant! + + memcpy (out_BufferPtr, &pcm_mem[pcm_table[i].start+2], in_BufferSize); + *out_VersionPtr = pcm_mem[pcm_table[i].start+1]; + + return PCM_OK; +} + +drv_Return_Type pcm_WriteFile(UBYTE * in_FileName, + USHORT in_FileSize, + UBYTE * in_BufferPtr) +{ + int i = pcm_lookup((char*)in_FileName); + + ttw(ttr(TTrPcmWrite, "pcm_wf(%s)" NL, in_FileName)); + + if (i == -1) + return PCM_INVALID_FILE; + + if (in_FileSize + 2 != pcm_table[i].length) + return PCM_INVALID_SIZE; + + memcpy (&pcm_mem[pcm_table[i].start+2], in_BufferPtr, in_FileSize); + + // write the whole file to ffs! (ignoring errors) + ffs_fwrite(pcm_table[i].identifier, + &pcm_mem[pcm_table[i].start + 2], + in_FileSize); + + return PCM_OK; +} + + +/****************************************************************************** + * Record read/write functions + ******************************************************************************/ + +/* Record files are implemented by having the first two bytes of a + * file be equal to the record size. */ + +drv_Return_Type pcm_ReadRecord(UBYTE * in_FileName, + USHORT in_Record, + USHORT in_BufferSize, + UBYTE * out_BufferPtr, + UBYTE * out_VersionPtr, + USHORT * out_MaxRecordsPtr) +{ + int i = pcm_lookup((char*)in_FileName); + + ttw(ttr(TTrPcmRead, "pcm_rr(%s)" NL, in_FileName)); + + if (i == -1) + return PCM_INVALID_FILE; + + if (in_BufferSize + 2 != pcm_table[i].length) + return PCM_INVALID_SIZE; + + if (in_Record == 0 || in_Record > pcm_table[i].records) + return PCM_INVALID_RECORD; + + memcpy (out_BufferPtr, + &pcm_mem[pcm_table[i].start + 2 + (in_Record-1) * in_BufferSize], + in_BufferSize); + *out_MaxRecordsPtr = pcm_table[i].records; + *out_VersionPtr = pcm_mem [pcm_table[i].start + 1]; + + return PCM_OK; +} + +drv_Return_Type pcm_WriteRecord(UBYTE * in_FileName, + USHORT in_Record, + USHORT in_BufferSize, + UBYTE * in_BufferPtr) +{ + int i = pcm_lookup((char*)in_FileName); + + ttw(ttr(TTrPcmWrite, "pcm_wr(%s)" NL, in_FileName)); + + if (i == -1) + return PCM_INVALID_FILE; + + if (in_BufferSize + 2 != pcm_table[i].length) + return PCM_INVALID_SIZE; + + if (in_Record == 0 || in_Record > pcm_table[i].records) + return PCM_INVALID_RECORD; + + memcpy (&pcm_mem [pcm_table[i].start + 2 + (in_Record-1) * in_BufferSize], + in_BufferPtr, + in_BufferSize); + + // write the whole file to ffs! (ignoring errors) + ffs_fwrite(pcm_table[i].identifier, + &pcm_mem [pcm_table[i].start + 2], + pcm_table[i].records * (pcm_table[i].length - 2)); + + return PCM_OK; +}