Mercurial > nand-ecoscentric

annotate packages/hal/arm/edb7xxx/current/support/dl_edb7xxx.c @ 64:c38311975d4f ecos-sw-2000-01-28

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Merge from eCos master repository on 2000-01-28-04:28:11-GMT
author jlarmour
date Fri, 28 Jan 2000 04:59:39 +0000
parents 3836136e7743
children 2395031e7a66
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1 //****************************************************************************
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2 //
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3 // DOWNLOAD.C - Automates the download of code into the flash on the
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4 // Cirrus Logic EDB7XXX boards.
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5 //
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6 // Copyright (c) 1999 Cirrus Logic, Inc.
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7 //
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8 // Adapted for Linux by Red Hat, Inc.
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9 // Renamed 'dl_edb7xxx' to indicate support for all Cirrus Logic eval boards.
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10 //
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11 //****************************************************************************
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12 #include <stdio.h>
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13 #include "bootcode.h"
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14
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15 #define DEFAULT_PORT "/dev/ttyS1"
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16 extern char ReceiveChar(long);
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17 extern void SendChar(long, char);
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18 extern void SetBaud(long, long);
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19 extern int CharRead(long port);
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20 extern void WaitForOutputReady(long port);
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21 extern long OpenPort(char *);
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22
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23 //****************************************************************************
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24 //
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25 // WaitFor waits until a specific character is read from the comm port.
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26 //
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27 //****************************************************************************
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28 void
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29 WaitFor(long lPort, char cWaitChar)
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30 {
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31 char cChar;
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32
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33 //
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34 // Wait until we read a specific character from the comm port.
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35 //
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36 while(1)
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37 {
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38 //
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39 // Read a character.
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40 //
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41 cChar = ReceiveChar(lPort);
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42
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43 //
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44 // Stop waiting if we received the character.
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45 //
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46 if(cChar == cWaitChar)
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47 {
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48 break;
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49 }
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50 }
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51 }
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52
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53 //****************************************************************************
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54 //
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55 // This program waits for the '<' character from the boot ROM, sends the boot
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56 // code, waits for the '>' from the boot ROM, waits for the '?' from the boot
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57 // code, changes the serial port rate (preferably to 115200), downloads the
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58 // user data file, and then prints out progress status as the boot code writes
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59 // the user data file to the flash.
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60 //
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61 //****************************************************************************
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62 void
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63 main(int argc, char *argv[])
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64 {
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65 long lPort;
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66 long lRate = 38400;
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67 long lFileSize, lIdx;
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68 char cChar, cFirstChar, *pcFile, cRateChar;
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69 FILE *pFile;
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70
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71 //
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72 // Make sure that a filename was specified.
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73 //
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74 if(argc < 2)
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75 {
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76 fprintf(stderr, "Usage: %s <filename> {<baud rate> {<comm port>}}\n", argv[0]);
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77 return;
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78 }
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79
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80 //
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81 // If a baud rate was specified, then read it and make sure it is valid.
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82 //
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83 if(argc > 2)
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84 {
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85 lRate = atoi(argv[2]);
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86 if((lRate != 9600) && (lRate != 19200) && (lRate != 28800) &&
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87 (lRate != 38400) && (lRate != 57600) && (lRate != 115200))
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88 {
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89 fprintf(stderr, "Invalid baud rate: %d(%s).\n", lRate, argv[2]);
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90 return;
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91 }
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92 }
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93
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94 //
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95 // If a comm port was specified, then read it and make sure it is valid.
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96 //
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97 if(argc > 3)
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98 {
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99 lPort = OpenPort(argv[3]);
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100 if (lPort < 0)
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101 {
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102 fprintf(stderr, "Can't open port: %s\n", argv[3]);
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103 return;
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104 }
54
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105 } else
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106 {
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107 lPort = OpenPort(DEFAULT_PORT);
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108 if (lPort < 0)
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109 {
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110 fprintf(stderr, "Can't open port: %s\n", DEFAULT_PORT);
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111 return;
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112 }
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113 }
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114
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115 //
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116 // Open the file to be downloaded.
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117 //
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118 pFile = fopen(argv[1], "rb");
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119 if(!pFile)
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120 {
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121 fprintf(stderr, "Could not open file '%s'.\n", argv[1]);
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122 return;
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123 }
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124
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125 //
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126 // Get the size of the file.
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127 //
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128 fseek(pFile, 0, SEEK_END);
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129 lFileSize = ftell(pFile);
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130 fseek(pFile, 0, SEEK_SET);
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131
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132 //
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133 // Allocate memory to hold the file contents.
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134 //
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135 pcFile = (char *)malloc(lFileSize);
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136 if(!pcFile)
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137 {
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138 fprintf(stderr, "Failed to allocate memory for the file.\n");
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139 return;
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140 }
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141
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142 //
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143 // Read the contents of the file into memory.
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144 //
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145 if(fread(pcFile, 1, lFileSize, pFile) != lFileSize)
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146 {
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147 fprintf(stderr, "Failed to read file '%s'.\n", argv[1]);
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148 return;
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jlarmour
parents:
diff changeset
149 }
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jlarmour
parents:
diff changeset
150
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
151 //
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jlarmour
parents:
diff changeset
152 // Close the file.
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jlarmour
parents:
diff changeset
153 //
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jlarmour
parents:
diff changeset
154 fclose(pFile);
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jlarmour
parents:
diff changeset
155
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jlarmour
parents:
diff changeset
156 //
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jlarmour
parents:
diff changeset
157 // Get the baud rate divisor for the given baud rate.
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jlarmour
parents:
diff changeset
158 //
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jlarmour
parents:
diff changeset
159 SetBaud(lPort, 9600);
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jlarmour
parents:
diff changeset
160 switch(lRate)
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jlarmour
parents:
diff changeset
161 {
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jlarmour
parents:
diff changeset
162 case 9600:
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jlarmour
parents:
diff changeset
163 {
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jlarmour
parents:
diff changeset
164 cRateChar = '0';
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jlarmour
parents:
diff changeset
165 break;
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jlarmour
parents:
diff changeset
166 }
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jlarmour
parents:
diff changeset
167
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jlarmour
parents:
diff changeset
168 case 19200:
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jlarmour
parents:
diff changeset
169 {
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jlarmour
parents:
diff changeset
170 cRateChar = '1';
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jlarmour
parents:
diff changeset
171 break;
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jlarmour
parents:
diff changeset
172 }
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jlarmour
parents:
diff changeset
173
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jlarmour
parents:
diff changeset
174 case 28800:
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jlarmour
parents:
diff changeset
175 {
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jlarmour
parents:
diff changeset
176 cRateChar = '2';
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jlarmour
parents:
diff changeset
177 break;
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jlarmour
parents:
diff changeset
178 }
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jlarmour
parents:
diff changeset
179
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jlarmour
parents:
diff changeset
180 case 38400:
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jlarmour
parents:
diff changeset
181 {
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jlarmour
parents:
diff changeset
182 cRateChar = '3';
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jlarmour
parents:
diff changeset
183 break;
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jlarmour
parents:
diff changeset
184 }
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jlarmour
parents:
diff changeset
185
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jlarmour
parents:
diff changeset
186 case 57600:
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jlarmour
parents:
diff changeset
187 {
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jlarmour
parents:
diff changeset
188 cRateChar = '4';
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jlarmour
parents:
diff changeset
189 break;
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jlarmour
parents:
diff changeset
190 }
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jlarmour
parents:
diff changeset
191
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jlarmour
parents:
diff changeset
192 case 115200:
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jlarmour
parents:
diff changeset
193 {
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jlarmour
parents:
diff changeset
194 cRateChar = '5';
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jlarmour
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195 break;
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jlarmour
parents:
diff changeset
196 }
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jlarmour
parents:
diff changeset
197 }
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jlarmour
parents:
diff changeset
198
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jlarmour
parents:
diff changeset
199 //
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jlarmour
parents:
diff changeset
200 // Empty out the input queue.
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jlarmour
parents:
diff changeset
201 //
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jlarmour
parents:
diff changeset
202 while(CharReady(lPort))
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jlarmour
parents:
diff changeset
203 {
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jlarmour
parents:
diff changeset
204 cChar = ReceiveChar(lPort);
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jlarmour
parents:
diff changeset
205 }
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jlarmour
parents:
diff changeset
206
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jlarmour
parents:
diff changeset
207 //
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jlarmour
parents:
diff changeset
208 // Tell the user to reset the board.
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jlarmour
parents:
diff changeset
209 //
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jlarmour
parents:
diff changeset
210 fprintf(stderr, "Waiting for the board to wakeup...");
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jlarmour
parents:
diff changeset
211
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jlarmour
parents:
diff changeset
212 //
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jlarmour
parents:
diff changeset
213 // Wait until we read a '<' from the comm port.
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jlarmour
parents:
diff changeset
214 //
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jlarmour
parents:
diff changeset
215 WaitFor(lPort, '<');
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jlarmour
parents:
diff changeset
216
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jlarmour
parents:
diff changeset
217 //
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jlarmour
parents:
diff changeset
218 // Tell the user that we are downloading the boot code.
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jlarmour
parents:
diff changeset
219 //
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jlarmour
parents:
diff changeset
220 fprintf(stderr, "\nDownloading boot code...( 0%%)");
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jlarmour
parents:
diff changeset
221
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jlarmour
parents:
diff changeset
222 //
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jlarmour
parents:
diff changeset
223 // Write the boot code to the comm port.
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jlarmour
parents:
diff changeset
224 //
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jlarmour
parents:
diff changeset
225 for(lIdx = 0; lIdx < 2048; lIdx++)
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jlarmour
parents:
diff changeset
226 {
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jlarmour
parents:
diff changeset
227 //
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jlarmour
parents:
diff changeset
228 // Write this character.
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jlarmour
parents:
diff changeset
229 //
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jlarmour
parents:
diff changeset
230 SendChar(lPort, pcBoot[lIdx]);
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jlarmour
parents:
diff changeset
231
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jlarmour
parents:
diff changeset
232 //
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jlarmour
parents:
diff changeset
233 // Periodically print out our progress.
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jlarmour
parents:
diff changeset
234 //
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jlarmour
parents:
diff changeset
235 if((lIdx & 127) == 127)
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jlarmour
parents:
diff changeset
236 {
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jlarmour
parents:
diff changeset
237 fprintf(stderr, "\b\b\b\b\b%3d%%)", ((lIdx + 1) * 100) / 2048);
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jlarmour
parents:
diff changeset
238 }
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
239 }
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
240
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
241 //
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jlarmour
parents:
diff changeset
242 // Wait until we read a '>' from the comm port.
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jlarmour
parents:
diff changeset
243 //
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jlarmour
parents:
diff changeset
244 WaitFor(lPort, '>');
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jlarmour
parents:
diff changeset
245
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
246 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
247 // Wait until we read a '?' from the comm port.
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jlarmour
parents:
diff changeset
248 //
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jlarmour
parents:
diff changeset
249 WaitFor(lPort, '?');
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jlarmour
parents:
diff changeset
250
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
251 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
252 // Tell the boot code to switch to the desired baud rate.
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jlarmour
parents:
diff changeset
253 //
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jlarmour
parents:
diff changeset
254 SendChar(lPort, 'B');
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jlarmour
parents:
diff changeset
255 SendChar(lPort, cRateChar);
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jlarmour
parents:
diff changeset
256
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
257 //
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jlarmour
parents:
diff changeset
258 // Wait until the output buffer is empty.
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jlarmour
parents:
diff changeset
259 //
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jlarmour
parents:
diff changeset
260 WaitForOutputEmpty();
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jlarmour
parents:
diff changeset
261
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
262 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
263 // Switch our baud rate to the desired rate.
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jlarmour
parents:
diff changeset
264 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
265 SetBaud(lPort, lRate);
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jlarmour
parents:
diff changeset
266
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
267 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
268 // Send a '-' character until we receive back a '?' character.
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
269 //
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jlarmour
parents:
diff changeset
270 while(1)
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jlarmour
parents:
diff changeset
271 {
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
272 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
273 // Send a '-' character.
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jlarmour
parents:
diff changeset
274 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
275 SendChar(lPort, '-');
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jlarmour
parents:
diff changeset
276
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
277 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
278 // Wait a little bit.
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
279 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
280 for(lIdx = 0; lIdx < 1024 * 1024; lIdx++)
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
281 {
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
282 }
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
283
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
284 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
285 // See if there is a character waiting to be read.
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
286 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
287 if(CharReady(lPort))
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jlarmour
parents:
diff changeset
288 {
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
289 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
290 // Read the character.
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
291 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
292 cChar = ReceiveChar(lPort);
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jlarmour
parents:
diff changeset
293
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
294 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
295 // Quit waiting if this is a '?'.
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jlarmour
parents:
diff changeset
296 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
297 if(cChar == '?')
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
298 {
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
299 break;
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
300 }
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
301 }
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
302 }
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
303
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
304 //
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
305 // Empty out the input queue.
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306 //
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jlarmour
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307 while(CharReady(lPort))
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308 {
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309 cChar = ReceiveChar(lPort);
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310 }
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311
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jlarmour
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312 //
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jlarmour
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313 // Send the program flash command.
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314 //
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jlarmour
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315 SendChar(lPort, 'F');
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316
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jlarmour
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317 //
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318 // We always program the flash at location 0.
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319 //
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320 SendChar(lPort, 0);
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321 SendChar(lPort, 0);
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322 SendChar(lPort, 0);
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jlarmour
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323 SendChar(lPort, 0);
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jlarmour
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324
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jlarmour
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325 //
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jlarmour
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326 // Send the length of the data file.
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jlarmour
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327 //
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jlarmour
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328 SendChar(lPort, (char)(lFileSize & 0xFF));
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329 SendChar(lPort, (char)((lFileSize >> 8) & 0xFF));
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330 SendChar(lPort, (char)((lFileSize >> 16) & 0xFF));
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331 SendChar(lPort, (char)((lFileSize >> 24) & 0xFF));
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jlarmour
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332
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jlarmour
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333 //
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jlarmour
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334 // Tell the user that we are downloading the file data.
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jlarmour
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335 //
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jlarmour
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336 fprintf(stderr, "\nDownloading file data...( 0%%)");
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jlarmour
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337
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jlarmour
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338 //
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jlarmour
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339 // Send the actual data in the file.
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340 //
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jlarmour
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341 for(lIdx = 0; lIdx < lFileSize; lIdx++)
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342 {
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jlarmour
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343 //
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jlarmour
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344 // Send this byte.
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jlarmour
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345 //
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jlarmour
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346 SendChar(lPort, pcFile[lIdx]);
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jlarmour
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347
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jlarmour
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348 //
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jlarmour
parents:
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349 // Periodically print out our progress.
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jlarmour
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350 //
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jlarmour
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351 if((lIdx & 127) == 127)
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352 {
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353 fprintf(stderr, "\b\b\b\b\b%3d%%)", ((lIdx + 1) * 100) / lFileSize);
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354 }
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jlarmour
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355 }
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jlarmour
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diff changeset
356
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jlarmour
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357 //
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jlarmour
parents:
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358 // Tell the user that we are erasing the flash.
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jlarmour
parents:
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359 //
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jlarmour
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360 fprintf(stderr, "\nErasing the flash...( 0%%)");
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jlarmour
parents:
diff changeset
361
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jlarmour
parents:
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362 //
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jlarmour
parents:
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363 // Wait until the flash has been erased.
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jlarmour
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364 //
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jlarmour
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365 cFirstChar = cChar = ReceiveChar(lPort);
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jlarmour
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366 while(cChar != '1')
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jlarmour
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367 {
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jlarmour
parents:
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368 //
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jlarmour
parents:
diff changeset
369 // Print out our progress.
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jlarmour
parents:
diff changeset
370 //
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jlarmour
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371 fprintf(stderr, "\b\b\b\b\b%3d%%)",
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jlarmour
parents:
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372 ((cFirstChar - cChar + 1) * 100) / (cFirstChar - '0'));
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jlarmour
parents:
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373
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jlarmour
parents:
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374 //
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jlarmour
parents:
diff changeset
375 // Read a character from the boot code.
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jlarmour
parents:
diff changeset
376 //
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jlarmour
parents:
diff changeset
377 cChar = ReceiveChar(lPort);
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jlarmour
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378 }
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jlarmour
parents:
diff changeset
379
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jlarmour
parents:
diff changeset
380 //
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jlarmour
parents:
diff changeset
381 // Tell the user that we are programming the flash.
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jlarmour
parents:
diff changeset
382 //
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jlarmour
parents:
diff changeset
383 fprintf(stderr, "\nProgramming the flash...( 0%%)");
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jlarmour
parents:
diff changeset
384
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jlarmour
parents:
diff changeset
385 //
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jlarmour
parents:
diff changeset
386 // Wait until the flash has been programmed.
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jlarmour
parents:
diff changeset
387 //
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jlarmour
parents:
diff changeset
388 lIdx = 0;
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jlarmour
parents:
diff changeset
389 while(1)
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jlarmour
parents:
diff changeset
390 {
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jlarmour
parents:
diff changeset
391 //
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jlarmour
parents:
diff changeset
392 // Read a character from the boot code.
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jlarmour
parents:
diff changeset
393 //
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jlarmour
parents:
diff changeset
394 cChar = ReceiveChar(lPort);
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jlarmour
parents:
diff changeset
395
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jlarmour
parents:
diff changeset
396 //
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jlarmour
parents:
diff changeset
397 // If the character is a '?', then we are done.
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jlarmour
parents:
diff changeset
398 //
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jlarmour
parents:
diff changeset
399 if(cChar == '?')
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jlarmour
parents:
diff changeset
400 {
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
401 break;
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jlarmour
parents:
diff changeset
402 }
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jlarmour
parents:
diff changeset
403
f10165814f1e Merge from eCos master repository on 1999-11-19-22:24:39-GMT
jlarmour
parents:
diff changeset
404 //
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jlarmour
parents:
diff changeset
405 // Print out our progress.
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jlarmour
parents:
diff changeset
406 //
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jlarmour
parents:
diff changeset
407 fprintf(stderr, "\b\b\b\b\b%3d%%)",
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jlarmour
parents:
diff changeset
408 (++lIdx * 100) / ((lFileSize + 1023) / 1024));
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jlarmour
parents:
diff changeset
409 }
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jlarmour
parents:
diff changeset
410
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jlarmour
parents:
diff changeset
411 //
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jlarmour
parents:
diff changeset
412 // Tell the user we are done.
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jlarmour
parents:
diff changeset
413 //
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jlarmour
parents:
diff changeset
414 fprintf(stderr, "\nSuccessfully downloaded '%s'.\n", argv[1]);
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jlarmour
parents:
diff changeset
415 }
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jlarmour
parents:
diff changeset
416