FreeCalypso > hg > fc-selenite

annotate src/cs/drivers/drv_app/ffs/board/pcmcode.c @ 110:6ed76fdb72d5

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README: better explanation of current status and what needs to be done next
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 28 Jul 2018 06:37:29 +0000
parents b6a5e36de839
children
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1 /******************************************************************************
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2 * Flash File System (ffs)
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
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4 *
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5 * Condat PCM Compatibility Support
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6 *
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7 * $Id: pcmcode.c 1.46 Tue, 06 Nov 2001 11:55:21 +0100 tsj $
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8 *
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9 ******************************************************************************/
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10
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11 #ifndef TARGET
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12 #include "board.cfg"
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13 #include "ffs.cfg"
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14 #endif
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15
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16 #include <string.h>
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17 #include "ffs/pcm.h"
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18 #include "ffs/ffs.h"
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19 #include "ffs/board/ffstrace.h"
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20
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21 #if (TARGET == 1)
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22 #include "sys.cfg"
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23 #if (BOARD == 34)
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24 #include "ffs/board/ffspcm.h"
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25 #endif
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26 #else
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27 #define STD 6
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28 #define NULL 0
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29 #endif
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30
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31
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32 extern const T_PCM_DESCRIPTION pcm_table[];
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33 extern const UBYTE pcm_default_values[];
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34 extern UBYTE pcm_mem [];
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35 extern UBYTE std;
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36
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37
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38 /******************************************************************************
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39 *
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40 ******************************************************************************/
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41
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42 // pcm_Init() has been renamed to pcm_init() so that it is not called
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43 // anywhere else than it should. The old pcm_Init() is now empty. This new
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44 // pcm_init() scans through the pcm file table and attempts to read each
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45 // file from ffs into the pcm RAM image.
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46
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47 drv_Return_Type pcm_Init(void)
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48 {
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49 return PCM_INITIALIZED;
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50 }
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51
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52
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53 // Note that PCM file data chunks start with one byte for the file data
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54 // checksum, followed by another byte for the version. The third byte
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55 // (offset 2) is the start of the actual filedata. We ignore these first two
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56 // bytes e.g. we only read/write the actual file data!
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57
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58
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59 // look up a PCM file
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60 int pcm_lookup(char *pcm_name)
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61 {
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62 int i = 0;
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63
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64 while (pcm_table[i].identifier != NULL)
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65 {
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66 if (!strcmp((char *) pcm_name, pcm_table[i].identifier + 5))
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67 return i;
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68 i++;
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69 }
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70 return -1; // not found.
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71 }
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72
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73 drv_Return_Type pcm_init(void)
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74 {
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75 int i = 0;
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76 effs_t error;
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77
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78 ttw(ttr(TTrInit, "pcm_init" NL));
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79
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80 // Avenger 2 tri band radio
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81 #if (BOARD==34)
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82 std = ffs_GetBand();
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83 #else
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84 std = STD;
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85 #endif
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86
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87 while (pcm_table[i].identifier != NULL)
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88 {
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89 error = ffs_fread(pcm_table[i].identifier,
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90 &pcm_mem[pcm_table[i].start + 2],
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91 (pcm_table[i].length - 2) * pcm_table[i].records);
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92
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93 if (error < EFFS_OK) {
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94 // copy defaults to pcm_mem
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95 memcpy (&pcm_mem[pcm_table[i].start] + 2,
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96 &pcm_default_values[pcm_table[i].start - 2*i],
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97 pcm_table[i].records * (pcm_table[i].length - 2));
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98 }
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99 pcm_mem[pcm_table[i].start + 1] = 1; // file version
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100 i++;
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101 }
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102
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103 return PCM_INITIALIZED;
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104 }
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105
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106 drv_Return_Type pcm_GetFileInfo(UBYTE * in_FileName,
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107 pcm_FileInfo_Type * out_FileInfoPtr)
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108 {
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109 int i = pcm_lookup((char*)in_FileName);
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110
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111 ttw(ttr(TTrPcmRead, "pcm_gfi(%s)" NL, in_FileName));
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112
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113 if (i == -1)
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114 return PCM_INVALID_FILE;
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115
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116 out_FileInfoPtr->FileLocation = &pcm_mem [pcm_table[i].start+2];
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117 out_FileInfoPtr->FileSize = pcm_table[i].length -2;
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118 // As Condat has determined that all files is version 1, we just
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119 // hardwire exactly that!
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120 // out_FileInfoPtr->Version = pcm_mem [pcm_table[i].start + 1];
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121 out_FileInfoPtr->Version = 1;
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122
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123 return PCM_OK;
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124 }
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125
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126
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127 /******************************************************************************
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128 * Normal read/write functions
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129 ******************************************************************************/
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130
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131 drv_Return_Type pcm_ReadFile(UBYTE * in_FileName,
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132 USHORT in_BufferSize,
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133 UBYTE * out_BufferPtr,
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134 UBYTE * out_VersionPtr)
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diff changeset
135 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 int i = pcm_lookup((char*)in_FileName);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 ttw(ttr(TTrPcmRead, "pcm_rf(%s)" NL, in_FileName));
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 if (i == -1)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 return PCM_INVALID_FILE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 if (in_BufferSize + 2 != pcm_table[i].length)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return PCM_INVALID_SIZE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 // checksum check removed --- it is redundant!
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 memcpy (out_BufferPtr, &pcm_mem[pcm_table[i].start+2], in_BufferSize);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 *out_VersionPtr = pcm_mem[pcm_table[i].start+1];
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 return PCM_OK;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 drv_Return_Type pcm_WriteFile(UBYTE * in_FileName,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 USHORT in_FileSize,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 UBYTE * in_BufferPtr)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 int i = pcm_lookup((char*)in_FileName);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 ttw(ttr(TTrPcmWrite, "pcm_wf(%s)" NL, in_FileName));
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 if (i == -1)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 return PCM_INVALID_FILE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 if (in_FileSize + 2 != pcm_table[i].length)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 return PCM_INVALID_SIZE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 memcpy (&pcm_mem[pcm_table[i].start+2], in_BufferPtr, in_FileSize);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 // write the whole file to ffs! (ignoring errors)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 ffs_fwrite(pcm_table[i].identifier,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 &pcm_mem[pcm_table[i].start + 2],
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 in_FileSize);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 return PCM_OK;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 /******************************************************************************
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 * Record read/write functions
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 ******************************************************************************/
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 /* Record files are implemented by having the first two bytes of a
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 * file be equal to the record size. */
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 drv_Return_Type pcm_ReadRecord(UBYTE * in_FileName,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 USHORT in_Record,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 USHORT in_BufferSize,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 UBYTE * out_BufferPtr,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 UBYTE * out_VersionPtr,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 USHORT * out_MaxRecordsPtr)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 int i = pcm_lookup((char*)in_FileName);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 ttw(ttr(TTrPcmRead, "pcm_rr(%s)" NL, in_FileName));
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 if (i == -1)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 return PCM_INVALID_FILE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 if (in_BufferSize + 2 != pcm_table[i].length)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 return PCM_INVALID_SIZE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 if (in_Record == 0 || in_Record > pcm_table[i].records)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 return PCM_INVALID_RECORD;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 memcpy (out_BufferPtr,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 &pcm_mem[pcm_table[i].start + 2 + (in_Record-1) * in_BufferSize],
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 in_BufferSize);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 *out_MaxRecordsPtr = pcm_table[i].records;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 *out_VersionPtr = pcm_mem [pcm_table[i].start + 1];
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 return PCM_OK;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 drv_Return_Type pcm_WriteRecord(UBYTE * in_FileName,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 USHORT in_Record,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 USHORT in_BufferSize,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 UBYTE * in_BufferPtr)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 int i = pcm_lookup((char*)in_FileName);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 ttw(ttr(TTrPcmWrite, "pcm_wr(%s)" NL, in_FileName));
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 if (i == -1)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 return PCM_INVALID_FILE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 if (in_BufferSize + 2 != pcm_table[i].length)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 return PCM_INVALID_SIZE;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 if (in_Record == 0 || in_Record > pcm_table[i].records)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 return PCM_INVALID_RECORD;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 memcpy (&pcm_mem [pcm_table[i].start + 2 + (in_Record-1) * in_BufferSize],
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 in_BufferPtr,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 in_BufferSize);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 // write the whole file to ffs! (ignoring errors)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 ffs_fwrite(pcm_table[i].identifier,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 &pcm_mem [pcm_table[i].start + 2],
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 pcm_table[i].records * (pcm_table[i].length - 2));
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 return PCM_OK;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 }