Arduino Due: Fixes to FLASH address, flash wait states, updated Comments. Now boots and runs a bit before crashing
This commit is contained in:
Gregory Nutt
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@ -411,113 +411,138 @@ Loading Code
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Uploading NuttX to the Due Using Bossa:
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---------------------------------------
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Generic BOSSA installation files are avaialable here:
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http://sourceforge.net/projects/b-o-s-s-a/?source=dlp
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Where do you get it?
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Generic BOSSA installation files are avaialable here:
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http://sourceforge.net/projects/b-o-s-s-a/?source=dlp
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However, DUE uses a patched version of BOSSA available as source code here:
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https://github.com/shumatech/BOSSA/tree/arduino
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However, DUE uses a patched version of BOSSA available as source code here:
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https://github.com/shumatech/BOSSA/tree/arduino
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But, fortunately, since you already installed Arduino, you already have
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BOSSA installed here. In my installation, it is here:
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But, fortunately, since you already installed Arduino, you already have
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BOSSA installed. In my installation, it is here:
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C:\Program Files (x86)\Arduino\arduino-1.5.2\hardware\tools\bossac.exe
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C:\Program Files (x86)\Arduino\arduino-1.5.2\hardware\tools\bossac.exe
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Where is some sample output from a Windows CMD.exe shell. NOTE that my
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Arduino programming port shows up as COM26. It may be different on your
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system.
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General Procedure
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-----------------
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To enter boot mode, set the baud to 1200 and send anything to the
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programming port:
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1) Erase the FLASH and put the Due in bootloader mode
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2) Write the file to FLASH
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3) Configure to boot from FLASH
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4) Reset the DUE
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C:\Program Files (x86)\Arduino\arduino-1.5.2\hardware\tools>mode com26:1200,n,8,1
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Erase FLASH and Put the Due in Bootloader Mode
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----------------------------------------------
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This is accomplished by simply configuring the programming port in 1200
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baud and sending something on the programming port. Here is some sample
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output from a Windows CMD.exe shell. NOTE that my Arduino programming
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port shows up as COM26. It may be different on yoursystem.
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Status for device COM26:
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------------------------
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Baud: 1200
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Parity: None
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Data Bits: 8
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Stop Bits: 1
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Timeout: ON
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XON/XOFF: OFF
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CTS handshaking: OFF
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DSR handshaking: OFF
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DSR sensitivity: OFF
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DTR circuit: ON
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RTS circuit: ON
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To enter boot mode, set the baud to 1200 and send anything to the
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programming port:
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C:\Program Files (x86)\Arduino\arduino-1.5.2\hardware\tools>bossac.exe --port=COM26 -U false -i
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Device : ATSAM3X8
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Chip ID : 285e0a60
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Version : v1.1 Dec 15 2010 19:25:04
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Address : 524288
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Pages : 2048
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Page Size : 256 bytes
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Total Size : 512KB
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Planes : 2
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Lock Regions : 32
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Locked : none
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Security : false
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Boot Flash : false
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C:\Program Files (x86)\Arduino\arduino-1.5.2\hardware\tools>mode com26:1200,n,8,1
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In a Cygwin BaSH shell:
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Status for device COM26:
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------------------------
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Baud: 1200
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Parity: None
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Data Bits: 8
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Stop Bits: 1
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Timeout: ON
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XON/XOFF: OFF
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CTS handshaking: OFF
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DSR handshaking: OFF
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DSR sensitivity: OFF
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DTR circuit: ON
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RTS circuit: ON
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export PATH="/cygdrive/c/Program Files (x86)/Arduino/arduino-1.5.2/hardware/tools":$PATH
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C:\Program Files (x86)\Arduino\arduino-1.5.2\hardware\tools>bossac.exe --port=COM26 -U false -i
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Device : ATSAM3X8
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Chip ID : 285e0a60
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Version : v1.1 Dec 15 2010 19:25:04
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Address : 524288
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Pages : 2048
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Page Size : 256 bytes
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Total Size : 512KB
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Planes : 2
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Lock Regions : 32
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Locked : none
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Security : false
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Boot Flash : false
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Erasing, writing, and verifying FLASH with bossac:
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Writing FLASH and Setting FLASH Boot Mode
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-----------------------------------------
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In a Cygwin BaSH shell:
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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No device found on COM26
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export PATH="/cygdrive/c/Program Files (x86)/Arduino/arduino-1.5.2/hardware/tools":$PATH
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This error means that there is code running on the Due already so the
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bootloader cannot connect. Pressing reset and trying again
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Erasing, writing, and verifying FLASH with bossac:
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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No device found on COM26
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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Erase flash
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Write 86588 bytes to flash
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[==============================] 100% (339/339 pages)
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Verify 86588 bytes of flash
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[==============================] 100% (339/339 pages)
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Verify successful
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Set boot flash true
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CPU reset.
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Sill No connection because Duo does not jump to bootloader after reset.\
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Press ERASE button and try again
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Some things that can go wrong:
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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Erase flash
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Write 86588 bytes to flash
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[==============================] 100% (339/339 pages)
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Verify 86588 bytes of flash
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[==============================] 100% (339/339 pages)
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Verify successful
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Set boot flash true
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CPU reset.
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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No device found on COM26
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This error means that there is code running on the Due already so the
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bootloader cannot connect. Pressing reset and trying again
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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No device found on COM26
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Sill No connection because Duo does not jump to bootloader after reset.
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Press ERASE button and try again
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$ bossac.exe --port=COM26 -U false -e -w -v -b nuttx.bin -R
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Erase flash
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Write 86588 bytes to flash
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[==============================] 100% (339/339 pages)
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Verify 86588 bytes of flash
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[==============================] 100% (339/339 pages)
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Verify successful
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Set boot flash true
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CPU reset.
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Other useful bossac things operations.
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-------------------------------------
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a) Write code to FLASH don't change boot mode and don't reset. This lets
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you examine the FLASH contents that you just loaded while the bootloader
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is still active.
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a) Write code to FLASH don't change boot mode and don't reset. This lets
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you examine the FLASH contents that you just loaded while the bootloader
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is still active.
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$ bossac.exe --port=COM26 -U false -e -w -v --boot=0 nuttx.bin
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Write 64628 bytes to flash
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[==============================] 100% (253/253 pages)
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Verify 64628 bytes of flash
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[==============================] 100% (253/253 pages)
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Verify successful
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$ bossac.exe --port=COM26 -U false -e -w -v nuttx.bin
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Write 64628 bytes to flash
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[==============================] 100% (253/253 pages)
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Verify 64628 bytes of flash
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[==============================] 100% (253/253 pages)
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Verify successful
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Set boot flash true
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b) Verify the FLASH contents (the bootloader must be running)
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Verify the FLASH contents (the bootloader must be running)
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$ bossac.exe --port=COM26 -U false -v nuttx.bin
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Verify 64628 bytes of flash
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[==============================] 100% (253/253 pages)
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Verify successful
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$ bossac.exe --port=COM26 -U false -v nuttx.bin
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Verify 64628 bytes of flash
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[==============================] 100% (253/253 pages)
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Verify successful
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c) Read from FLASH to a file (the bootloader must be running):
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Read from FLASH to a file (the bootloader must be running):
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$ bossac.exe --port=COM26 -U false --read=4096 nuttx.dump
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Read 4096 bytes from flash
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[==============================] 100% (16/16 pages)
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$ bossac.exe --port=COM26 -U false --read=4096 nuttx.dump
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Read 4096 bytes from flash
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[==============================] 100% (16/16 pages)
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d) Change to boot from FLASH
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Change to boot from FLASH
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$ bossac.exe --port=COM26 -U false --boot=1
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Set boot flash true
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$ bossac.exe --port=COM26 -U false --boot=1
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Set boot flash true
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Uploading NuttX to the Due Using JTAG:
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-------------------------------------
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@ -44,6 +44,7 @@
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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# include <stdbool.h>
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# ifdef CONFIG_GPIO_IRQ
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# include <arch/irq.h>
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# endif
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@ -127,16 +128,17 @@
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/* FLASH wait states
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*
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* FWS Max frequency
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* FWS MAX FREQUENCY
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* 1.62V 1.8V
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* --- ----- ------
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* 0 24MHz 27MHz
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* 1 40MHz 47MHz
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* 2 72MHz 84MHz
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* 3 84MHz 96MHz
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* 0 17MHz 19MHz
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* 1 45MHz 50MHz
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* 2 58MHz 64MHz
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* 3 70MHz 80MHz
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* 4 78MHz 90MHz
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*/
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#define BOARD_FWS 2
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#define BOARD_FWS 4
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/* LED definitions ******************************************************************/
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/* There are two user-controllable LEDs on board the Arduino Due board:
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@ -33,13 +33,13 @@
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*
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****************************************************************************/
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/* The ATSAM3X8E has 512KB of FLASH beginning at address 0x0040:0000 and
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/* The ATSAM3X8E has 512KB of FLASH beginning at address 0x0008:0000 and
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* up to 100KB SRAM in three memory regions.
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*/
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MEMORY
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{
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flash (rx) : ORIGIN = 0x00400000, LENGTH = 1024K
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flash (rx) : ORIGIN = 0x00080000, LENGTH = 1024K
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sram0 (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
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sram1 (rwx) : ORIGIN = 0x20080000, LENGTH = 32K
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nfcram (rwx) : ORIGIN = 0x20100000, LENGTH = 4K
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