2022-01-07 10:29:58 +00:00
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#!/usr/bin/env bash
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2020-09-28 20:03:37 +00:00
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# You probably don't want to use this script, it programs a custom bootloader build onto a nrf52 board
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2020-09-28 22:18:32 +00:00
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set -e
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2020-10-15 05:47:10 +00:00
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# dependencies
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# apt install srecord
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2020-09-28 20:03:37 +00:00
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BOOTDIR=/home/kevinh/development/meshtastic/Adafruit_nRF52_Bootloader
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2020-10-15 05:47:10 +00:00
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BOARD=othernet_ppr1
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BOOTVER=0.3.2
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2020-10-28 05:01:50 +00:00
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BOOTNUM=128
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BOOTSHA=gc01b9ea
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SDCODE=s113
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SDVER=7.2.0
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2020-10-15 05:47:10 +00:00
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PROJ=ppr1
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2020-10-28 05:01:50 +00:00
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# FIXME for nRF52840 use 0xff000, for nRF52833 use 0x7f000
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2020-10-15 05:47:10 +00:00
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BOOTSET=0x7f000
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2020-09-28 20:03:37 +00:00
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nrfjprog --eraseall -f nrf52
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# this generates an intel hex file that can be programmed into a NRF52 to tell the adafruit bootloader that the current app image is valid
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# Bootloader settings are at BOOTLOADER_SETTINGS (rw) : ORIGIN = 0xFF000, LENGTH = 0x1000
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# first 4 bytes should be 0x01 to indicate valid app image
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# second 4 bytes should be 0x00 to indicate no CRC required for image
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echo "01 00 00 00 00 00 00 00" | xxd -r -p - >/tmp/bootconf.bin
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2020-10-15 05:47:10 +00:00
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srec_cat /tmp/bootconf.bin -binary -offset $BOOTSET -output /tmp/bootconf.hex -intel
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2020-09-28 20:03:37 +00:00
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2020-10-28 05:01:50 +00:00
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echo Generating merged hex file from .pio/build/$PROJ/firmware.hex
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mergehex -o ${BOARD}_full.hex -m $BOOTDIR/_build/build-$BOARD/${BOARD}_bootloader-$BOOTVER-$BOOTNUM-$BOOTSHA-dirty_${SDCODE}_$SDVER.hex .pio/build/$PROJ/firmware.hex /tmp/bootconf.hex
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2020-09-28 20:03:37 +00:00
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echo Telling bootloader app region is valid and telling CPU to run
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2020-10-15 05:47:10 +00:00
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nrfjprog --program ${BOARD}_full.hex -f nrf52 --reset
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2020-09-28 20:03:37 +00:00
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# nrfjprog --readuicr /tmp/uicr.hex; objdump -s /tmp/uicr.hex | less
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