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openocd-utils/readme.md

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# erase
bash erase_all.sh -i swd0
# flash
bash flash.sh -i swd0 -f blinky_nrf52dongl_no_bootloader.hex
# hex
number in hexfile is uart baud rate
- blinky_nrf52dongle_no_bootloader.hex is blinky without a bootloader
- blinky_nrf52dongle_gpio_uart.hex is blinky with uart terminal on P0.13 and P0.15
- blinky_nrf52_rtscts_115200.hex blinky with uart terminal with flow control
- blinky_nrf52_rtscts_1M.hex blinky with uart terminal with flow control
# connect with minicom
- minicom -D /dev/ttyAMA2 -b 1000000 -s
# build openocd on cm4:
sudo apt update
sudo apt upgrade -y
sudo apt install git build-essential libtool autoconf texinfo libusb-1.0-0-dev libftdi1-dev libhidapi-dev pkg-config -y
sudo apt-get install pkg-config libjim-dev -y
git clone https://github.com/openocd-org/openocd.git
cd openocd
./bootstrap
./configure --enable-bcm2835gpio --enable-sysfsgpio
make
sudo make install
# test read/write nrf54l15 - does not work yet
sudo openocd -f ./raspberrypi-swd0.cfg -f target/nordic/nrf54l.cfg -c "init" -c "reset halt" -c "mdb 0x00000000 2" -c "shutdown"