Generalize SWD debugging stuff so it works on all nrf52 targets. (#4377)

* add bootloader install script for wio tracker 1110 board
Mostly for documentation purposes for future devs.

* Generalize nrf52 hw debugging support so it works on all nrf52 targets

variants/rak4631/platformio.ini

@@ -17,9 +17,6 @@ lib_deps =
   https://github.com/RAKWireless/RAK13800-W5100S.git#1.0.2
   rakwireless/RAKwireless NCP5623 RGB LED library@^1.0.2
   https://github.com/meshtastic/RAK12034-BMX160.git#4821355fb10390ba8557dc43ca29a023bcfbb9d9
-debug_tool = jlink
-
-
 
 ; If not set we will default to uploading over serial (first it forces bootloader entry by talking 1200bps to cdcacm)
 ; Note: as of 6/2013 the serial/bootloader based programming takes approximately 30 seconds
@@ -52,69 +49,4 @@ lib_deps =
 upload_protocol = stlink
 ; eventually use platformio/tool-pyocd@^2.3600.0 instad
 ;upload_protocol = custom
-;upload_command = pyocd flash -t nrf52840 $UPLOADERFLAGS $SOURCE
-
-; We want the initial breakpoint at setup() instead of main().  Also we want to enable semihosting at that point so instead of
-; debug_init_break = tbreak setup
-; we just turn off the platformio tbreak and do it in .gdbinit (where we have more flexibility for scripting)
-; also we use a permanent breakpoint so it gets reused each time we restart the debugging session?
-debug_init_break = tbreak setup
-
-; Note: add "monitor arm semihosting_redirect tcp 4444 all" if you want the stdout from the device to go to that port number instead
-; (for use by meshtastic command line)
-;  monitor arm semihosting disable
-;  monitor debug_level 3
-;
-; IMPORTANT: fileio must be disabled before using port 5555 - openocd ver 0.12 has a bug where if enabled it never properly parses the special :tt name
-; for stdio access.
-;   monitor arm semihosting_redirect tcp 5555 stdio
-
-; Also note: it is _impossible_ to do non blocking reads on the semihost console port (an oversight when ARM specified the semihost API).
-; So we'll neve be able to general purpose bi-directional communication with the device over semihosting.
-debug_extra_cmds =
-  echo Running .gdbinit script
-  monitor arm semihosting enable
-  monitor arm semihosting_fileio enable
-  monitor arm semihosting_redirect disable
-  commands 1
-  echo Breakpoint at setup() has semihosting console, connect to it with "telnet localhost 5555"
-  set wantSemihost = true
-  set useSoftDevice = false
-  end
-
-
-; Only reprogram the board if the code has changed
-debug_load_mode = modified
-;debug_load_mode = manual
-debug_tool = stlink
-;debug_tool = custom
-; debug_server =
-;  openocd
-;  -f
-;  /usr/local/share/openocd/scripts/interface/stlink.cfg
-;  -f
-;  /usr/local/share/openocd/scripts/target/nrf52.cfg
-; $PLATFORMIO_CORE_DIR/packages/tool-openocd/openocd/scripts/interface/cmsis-dap.cfg
-
-; Allows programming and debug via the RAK NanoDAP as the default debugger tool for the RAK4631 (it is only $10!)
-; programming time is about the same as the bootloader version.
-; For information on this see the meshtastic developers documentation for "Development on the NRF52"
-; We manually pass in the elf file so that pyocd can reverse engineer FreeRTOS data (running threads, etc...)
-;debug_server =
-;  pyocd
-;  gdbserver
-;  -j
-;  ${platformio.workspace_dir}/..
-;  -t
-;  nrf52840
-;  --semihosting
-;  --elf
-;  ${platformio.build_dir}/${this.__env__}/firmware.elf
-
-; If you want to debug the semihosting support you can turn on extra logging in pyocd with
-;   -L
-;   pyocd.debug.semihost.trace=debug
-
-; The following is not needed because it automatically tries do this
-;debug_server_ready_pattern = -.*GDB server started on port \d+.*
-;debug_port = localhost:3333
+;upload_command = pyocd flash -t nrf52840 $UPLOADERFLAGS $SOURCE

variants/wio-tracker-wm1110/platformio.ini

@@ -9,6 +9,5 @@ board_build.ldscript = src/platform/nrf52/nrf52840_s140_v7.ld
 build_src_filter = ${nrf52_base.build_src_filter} +<../variants/wio-tracker-wm1110>
 lib_deps = 
   ${nrf52840_base.lib_deps}
-debug_tool = jlink
 ; If not set we will default to uploading over serial (first it forces bootloader entry by talking 1200bps to cdcacm)
-;upload_protocol = jlink
+;upload_protocol = jlink