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--- s340:platformio_ide_integration_for_the_nrf52840_feather_express_with_s340 [2020/03/26 15:40]
orrmany created
+++ s340:platformio_ide_integration_for_the_nrf52840_feather_express_with_s340 [2020/03/29 22:26]
orrmany
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 ====== PlatformIO IDE integration for the nRF52840 Feather Express with S340 ======
+**Note**. this page is building on the assumption that the reader has read content in the pages
+  * [[arduino:s340_softdevice_adafruit_nrf52840_feather_express|S340 SoftDevice & Adafruit nRF52840 Express Feather]]...
+  * ...and [[s340:arduino_ide_integration_for_the_nrf52840_feather_express_with_s340|Arduino IDE integration for the nRF52840 Feather Express with S340]]
+===== Introduction =====
+[[https://platformio.org|Platform IO]] is a "new generation toolset for embedded C/C++ development" built on  [[https://marketplace.visualstudio.com/items?itemName=platformio.platformio-ide|Microsoft's Visual Studio Code]]. It can be used as an alternative IDE for "Arduino related work".
+It has a limited support for .ino files, as those have to be [[https://docs.platformio.org/en/latest/faq.html#convert-arduino-file-to-c-manually|manually converted to normal C++ source files]] for full support.
+This document is about enabling embedded C/C++ development for ANT+ protocols within PlatformIO. It describes how to add S340 SD support within Platform Io to the Adafruit nRF52 Core for the Arduino nRF52840 Express Feather.
+===== Credits  =====
+This work is based on [[https://github.com/rtgree01|rtgree01]]'s PlatformIO adaptation. See also the [[http://orrmany.hu/wiki/doku.php?id=arduino:s340_softdevice_adafruit_nrf52840_feather_express#credits|Credits]] section with the page [[arduino:s340_softdevice_adafruit_nrf52840_feather_express|S340 SoftDevice & Adafruit nRF52840 Express Feather]]
+===== Prerequisites =====
+  - Compile and build the modified bootloader as per [[arduino:s340_softdevice_adafruit_nrf52840_feather_express|S340 SoftDevice & Adafruit nRF52840 Express Feather]]
+  - Please read and understand [[s340:arduino_ide_integration_for_the_nrf52840_feather_express_with_s340|Arduino IDE integration for the nRF52840 Feather Express with S340]] first.
+===== Adding S340 support to Plaform IO =====
+  - Download and install Platform IO IDE for VSCode as [[https://platformio.org/install/ide?install=vscode|per the instructions]].
+    - Ensure that you can program your Feather with Platform IO by, say, compiling and loading the classic Blinky example into the Feather. {{ :s340:annotation_2020-03-29_201803.png?direct&300 |}}See https://docs.platformio.org/en/latest/boards/nordicnrf52/adafruit_feather_nrf52840.html for further details
+  - After the first succesful compilation and upload, all the necessary packages has got installed. Go to the location of the "framework package" (this corresponds to the concept of "Core" in the Arduino IDE):
+    * On Linux: ''~/.platformio/packages/framework-arduinoadafruitnrf52/''
+    * On Windows: ''%HOMEDIR%\.platformio\packages\framework-arduinoadafruitnrf52\''
+  -So, go to ''.../.platformio/packages/framework-arduinoadafruitnrf52/bootloader/feather_nrf52840_express/''.  Copy the bootloader .zip (''0.3.0_s340_6.1.1.zip'') and .hex (''0.3.0_s340_6.1.1.hex'') from the build directory of the freshly modified bootloader package here.
+  - Go to ''.../.platformio/packages/framework-arduinoadafruitnrf52/''. Modify ''boards.txt'' just like I did for the Arduino IDE. See sub-step "1" within the section [[s340:arduino_ide_integration_for_the_nrf52840_feather_express_with_s340#third_major_stepadd_s340_to_the_bsp|Second major step: replace the bootloader with the modified bootloader]] at the Arduino IDE adaptation page.
+  - Go to ''.../.platformio/platforms/nordicnrf52/boards/''. Copy ''adafruit_feather_nrf52840.json'' and name the copy as ''adafruit_feather_nrf52840_s340.json''. Change the following entries:<code json>
+    "ldscript": "nrf52840_s340_v6.ld",
+    "softdevice": {
+          "sd_flags": "-DS340",
+          "sd_name": "s340",
+          "sd_version": "6.1.1",
+          "sd_fwid": "0x00B9"
+        }</code>
+  - Go to ''.../.platformio/packages/framework-arduinoadafruitnrf52/cores/nRF5/linker''. Copy/duplicate the S140 linker script as nrf52840_s140_v6.ld. Modify the linker script memory settings just like I did for the Arduino IDE. See sub-step "2" within the section [[s340:arduino_ide_integration_for_the_nrf52840_feather_express_with_s340#third_major_stepadd_s340_to_the_bsp|Second major step: replace the bootloader with the modified bootloader]] at the Arduino IDE adaptation page.
+  -  Modify ''.../.platformio/packages/framework-arduinoadafruitnrf52/platform.txt'' file because the Adafruit bootloader is now 0.3.0:<code bash>
+    # Bootloader version
+    # tools.bootburn.bootloader.file={runtime.platform.path}/bootloader/{build.variant}/{build.variant}_bootloader-0.2.13_{build.sd_name}_{build.sd_version}
+    tools.bootburn.bootloader.file={runtime.platform.path}/bootloader/{build.variant}/{build.variant}_bootloader-0.3.0_{build.sd_name}_{build.sd_version}
+</code>
+Now you should be ready to rock. Restart PlatformIO IDE and select ''Adafruit Bluefruit Feather nRF52840 Express w.ANT'' as your board type :)

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