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eink bootloader finished

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geeksville 2020-09-28 15:18:32 -07:00
parent 6a4ef7e1d1
commit 116fe6d109
2 changed files with 8 additions and 3 deletions
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4
bin/install-bootloader.sh
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@ -1,5 +1,7 @@
# You probably don't want to use this script, it programs a custom bootloader build onto a nrf52 board # You probably don't want to use this script, it programs a custom bootloader build onto a nrf52 board
set -e
BOOTDIR=/home/kevinh/development/meshtastic/Adafruit_nRF52_Bootloader BOOTDIR=/home/kevinh/development/meshtastic/Adafruit_nRF52_Bootloader
nrfjprog --eraseall -f nrf52 nrfjprog --eraseall -f nrf52
@ -9,7 +11,7 @@ nrfjprog --eraseall -f nrf52
echo Programming bootloader and soft device echo Programming bootloader and soft device
# the following ling incorrectly enables reset pin, because the running code rewrites it # the following ling incorrectly enables reset pin, because the running code rewrites it
nrfjprog --program $BOOTDIR/_build/build-ttgo_eink/ttgo_eink_bootloader-0.3.2-122-gf6bfaac-dirty_s140_6.1.1.hex -f nrf52 nrfjprog --program $BOOTDIR/_build/build-ttgo_eink/ttgo_eink_bootloader-0.3.2-123-g4f9022d-dirty_s140_6.1.1.hex -f nrf52
# 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 # 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
# Bootloader settings are at BOOTLOADER_SETTINGS (rw) : ORIGIN = 0xFF000, LENGTH = 0x1000 # Bootloader settings are at BOOTLOADER_SETTINGS (rw) : ORIGIN = 0xFF000, LENGTH = 0x1000

7
variants/eink/variant.h
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@ -51,11 +51,14 @@ feedback to give:
* remove ipx connector for nfc, instead use two caps and loop traces on the back of the board as an antenna? * remove ipx connector for nfc, instead use two caps and loop traces on the back of the board as an antenna?
* the i2c RTC seems to talk fine on the i2c bus
* I've made the serial flash chip work, but if you do a new spin of the board I recommend: * I've made the serial flash chip work, but if you do a new spin of the board I recommend:
connect pin 3 and pin 7 of U4 to spare GPIOs on the processor (instead of their current connections), connect pin 3 and pin 7 of U4 to spare GPIOs on the processor (instead of their current connections),
This would allow using 4 bit wide interface mode to the serial flash. This would allow using 4 bit wide interface mode to the serial flash - doubling the transfer speed! see example here:
doubling the transfer speed! see example here:
https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/nrf52840_DK/hw_external_memory.html?cp=4_0_4_7_4 https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/nrf52840_DK/hw_external_memory.html?cp=4_0_4_7_4
Once again - I'm glad you added that external flash chip.
*/ */
/*---------------------------------------------------------------------------- /*----------------------------------------------------------------------------