Mercurial > flash_v2

annotate packages/hal/arm/pid/current/src/Notes_GDB_stub @ 108:ff3f181b64bd ecos-sw-2000-07-04

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Merge from eCos master repository on 2000-07-04-20:42:44-BST
author jlarmour
date Tue, 04 Jul 2000 20:17:21 +0000
parents 435cced73e2f
children e0c0827131d1
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1 ===========================================================================
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2 ####COPYRIGHTBEGIN####
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3
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4 -------------------------------------------
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5 The contents of this file are subject to the Red Hat eCos Public License
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6 Version 1.1 (the "License"); you may not use this file except in
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7 compliance with the License. You may obtain a copy of the License at
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8 http://www.redhat.com/
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9
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10 Software distributed under the License is distributed on an "AS IS"
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11 basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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12 License for the specific language governing rights and limitations under
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13 the License.
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14
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15 The Original Code is eCos - Embedded Configurable Operating System,
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16 released September 30, 1998.
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17
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18 The Initial Developer of the Original Code is Red Hat.
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19 Portions created by Red Hat are
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20 Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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21 All Rights Reserved.
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22 -------------------------------------------
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23
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24 ####COPYRIGHTEND####
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25 ===========================================================================
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26
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27 27 Oct 1999, revised on 2000.01.28
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28
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29 How to build and install the GDB module on the PID
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30
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31 Make GDB module
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32 ~~~~~~~~~~~~~~~
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33 Configure and build using the 'stubs' template for the PID
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34 target. These are the necessary CLI instructions. It can also be done
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35 from the Configtool by selecting the appropriate templates.
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36
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37 % cd /tmp
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38 % mkdir stubs
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39 % cd stubs
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40 % ecosconfig new pid stubs
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41 % ecosconfig tree
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42 % make
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43
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44 This will install some files in ./install/bin:
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45
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46 cygmon.elf: The built stubs image
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47 cygmon.bin: The image converted to binary (suitable for burning to ROM)
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48 cygmon.img: The relocated ELF image (suitable for FLASH writing, see below)
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49
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50
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51 Make FLASH tool
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52 ~~~~~~~~~~~~~~~
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53
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54 Again, these are the necessary CLI instructions. It can also be done
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55 from the Configtool by selecting the appropriate templates, and
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56 enabling the option.
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57
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58 % cd /tmp
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59 % mkdir pid-flash
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60 % cd pid-flash
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61 % ecosconfig new pid
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62 % <edit ecos.ecc, enabling the CYGBLD_BUILD_FLASH_TOOL option:>
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63 --- ecos.ecc.orig Fri Jan 28 11:21:43 2000
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64 +++ ecos.ecc Fri Jan 28 11:22:01 2000
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65 @@ -150,7 +150,7 @@
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66 cdl_option CYGBLD_BUILD_FLASH_TOOL {
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67 # Flavor: bool
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68 # No user value, uncomment the following line to provide one.
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69 - # user_value 0
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70 + user_value 1
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71 # value_source default
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72 # Default value: 0
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73 # Requires: CYG_HAL_STARTUP == "RAM"
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74 % ecosconfig resolve
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75 % ecosconfig tree
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76 % make
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77
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78 The flash tool is installed in ./install/bin
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79
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80
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81 Prepare board for eCos
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82 ~~~~~~~~~~~~~~~~~~~~~~
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83 1. Set jumper 7-8 on LK6 [using the Angle code in the 16 bit EPROM]
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84 2. Set jumper 5-6 on LK6 [select 8bit ROM mode]
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85 3. Set jumper LK18 [ROM remap - this is also required for eCos]
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86 4. Set S1 to 0-0-1-1 [20MHz operation]
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87
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88
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89 Program FLASH
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90 ~~~~~~~~~~~~~
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91 1. Download the image onto the PID board:
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92 % cd /tmp
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93 % arm-elf-gdb -nw stubs/install/bin/gdb_image.img
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94
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95 (gdb) target rdi s=<serial device>
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96 Angel Debug Monitor V1.04 (Advanced RISC Machines SDT 2.11a) for PID
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97 Built with Serial(x1), Parallel, DCC
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98 Rebuilt on Apr 7 1998 at 22:20:43
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99 Serial Rate: 9600
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100 Connected to ARM RDI target.
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101 (gdb) load
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102 Loading section .rom_vectors, size 0x60 lma 0x60000
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103 Loading section .text, size 0xeea8 lma 0x60060
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104 Loading section .rodata, size 0x304c lma 0x6ef08
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105 Loading section .data, size 0x7f8 lma 0x71f54
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106 Start address 0x60060 , load size 75596
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107 Transfer rate: 5548 bits/sec.
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108 (gdb) quit
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109
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110 This will download the stubs onto the board at 0x60000..0x80000
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111
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112 Use /dev/ttyS0, COM1 or similar for the <serial device> name.
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113
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114 2. Now download the FLASH programmer tool
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115 % arm-elf-gdb -nw pid-flash/install/bin/prog_flash.img
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116
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117 (gdb) target rdi s=<serial device>
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118 Angel Debug Monitor V1.04 (Advanced RISC Machines SDT 2.11a) for PID
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119 Built with Serial(x1), Parallel, DCC
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120 Rebuilt on Apr 7 1998 at 22:20:43
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121 Serial Rate: 9600
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122 Connected to ARM RDI target.
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123 (gdb) load
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124 Loading section .rom_vectors, size 0x60 lma 0x4000
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125 Loading section .text, size 0x4964 lma 0x4060
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126 Loading section .rodata, size 0x384 lma 0x89c4
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127 Loading section .data, size 0x28c lma 0x8d48
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128 Start address 0x4060 , load size 20436
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129 Transfer rate: 5449 bits/sec.
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130 (gdb) cont
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131
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132 3. The FLASH tool will output some text on the board serial port B at
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133 38400 baud:
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134
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135 ARM eCos
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136 FLASH here!
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137 manuf: 8, device: 40
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138 Error: Wrong Manufaturer: 08
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139 ... Please change FLASH jumper
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140
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141 4. This text is repeated until you remove the jumper 7-8 on LK6. Then
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142 the output should be:
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143
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144 manuf: 1F, device: A4
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145 AT29C040A recognised
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146 About to program FLASH using data at 60000..80000
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147 *** Press RESET now to abort!
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148
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149 5. You have about 10 seconds to abort the operation by pressing
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150 reset. After this timeout, the FLASH programming happens:
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151
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152 ...Programming FLASH
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153 All done!
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154
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155 6. Quit/kill the GDB process which will hang.
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156
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157 7. Next time you reset the board, the stub will be in control, communicating
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158 on serial port A at 38400 baud. See documentation for further details
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159 on how to connect with GDB.
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160
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161
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162
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163 Big-Endian operation
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164 ~~~~~~~~~~~~~~~~~~~~
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165
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166 1) If the board is to be used in big-endian mode, the stub should be
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167 configured for platform 'pidbe' instead of 'pid'.
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168
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169 2a) If a big-endian rom controller is installed on the board, the
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170 programming of a new stub into flash is covered in the ARM PID
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171 manual.
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172
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173 2b) If a big-endian rom controller is _not_ used, this is what you
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174 must do:
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175
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176 1) Follow the above instructions (including jumper settings) ,
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177 but instead of building and using the 'prog_flash' FLASH
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178 tool, use the 'prog_flash_BE_image_LE_system' FLASH tool
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179 (build it by enabling CYGBLD_BUILD_FLASH_TOOL_BE)
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180
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181 2) Instead of resetting the board after the FLASH has been
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182 programmed, switch off the power and enable jumper LK4.
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183
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184 If you have to re-program the FLASH later, you can follow the
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185 steps above again, but also disable jumper LK4 when changing the
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186 other jumpers.