2022-07-21 22:02:33 +02:00
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# Flashing the firmware with GDB and Black Magic Probe (BMP)
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Enter the following command into GDB:
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```
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target extended-remote /dev/ttyACM0
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monitor swdp_scan
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attach 1
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file ./pinetime-app-full.hex
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load
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run
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```
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Example :
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2022-08-21 13:50:09 +02:00
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2022-07-21 22:02:33 +02:00
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```
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$ /home/jf/nrf52/gcc-arm-none-eabi-8-2019-q3-update/bin/arm-none-eabi-gdb
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(gdb) target extended-remote /dev/ttyACM0
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Remote debugging using /dev/ttyACM0
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(gdb) monitor swdp_scan
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Target voltage: ABSENT!
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Available Targets:
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No. Att Driver
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1 Nordic nRF52 M3/M4
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2 Nordic nRF52 Access Port
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(gdb) attach 1
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Attaching to Remote target
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warning: No executable has been specified and target does not support
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determining executable automatically. Try using the "file" command.
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0xfffffffe in ?? ()
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(gdb) file ./pinetime-app-full.hex
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A program is being debugged already.
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Are you sure you want to change the file? (y or n) y
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Reading symbols from ./pinetime-app-full.hex...
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(No debugging symbols found in ./pinetime-app-full.hex)
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(gdb) load
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Loading section .sec1, size 0xb00 lma 0x0
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Loading section .sec2, size 0xf000 lma 0x1000
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Loading section .sec3, size 0x10000 lma 0x10000
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Loading section .sec4, size 0x5150 lma 0x20000
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Loading section .sec5, size 0xa000 lma 0x26000
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Loading section .sec6, size 0x10000 lma 0x30000
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Loading section .sec7, size 0xdf08 lma 0x40000
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Start address 0x0, load size 314200
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Transfer rate: 45 KB/sec, 969 bytes/write.
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```
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