Prune legacy code

.github/workflows/tests.yaml

@@ -34,13 +34,6 @@ jobs:
         sudo apt update
         sudo apt install -y gcc-arm-none-eabi srecord xxd
 
-    - name: Apply C3 patches
-      working-directory:
-        ext/ChibiOS
-      run: |
-        patch -p0 < ../../src/f4/app_control/stm32f42x_43x_efl.patch
-        patch -p1 < ../../src/f4/app_control/stm32f439_hmacsha256.patch
-
     - name: Compile f0 apps
       run: |
         make -C src/f0/app_battery
@@ -49,14 +42,3 @@ jobs:
         make -C src/f0/app_devboard
         make -C src/f0/app_adcs
         make -C src/f0/app_solar
-
-    - name: Compile f4 apps
-      run: |
-        make -C src/f4/app_blinky
-        make -C src/f4/app_cantest
-
-    - name: Compile l4 apps
-      run: |
-        make -C src/l4/app_blinky
-        make -C src/l4/app_devboard
-        make -C src/l4/app_devboard_cpp

.gitmodules

@@ -4,9 +4,3 @@
 [submodule "ext/CANopenNode"]
 	path = ext/CANopenNode
 	url = https://github.com/CANopenNode/CANopenNode.git
-[submodule "ext/littlefs"]
-	path = ext/littlefs
-	url = https://github.com/littlefs-project/littlefs
-[submodule "ext/OpenCCSDS"]
-	path = ext/OpenCCSDS
-	url = https://github.com/oresat/OpenCCSDS.git

CONTRIBUTING.md

@@ -30,9 +30,6 @@ Join one of our meetings. Meetings can be found in [Our Calendar](https://calend
   Here are links to some of our supported development boards.
 
   * [NUCLEO-F091RC](https://www.mouser.com/ProductDetail/STMicroelectronics/NUCLEO-F091RC?qs=CE9ecZDhCK0jcTHFYd%2Fi5g%3D%3D#.YoAe6h4MCag.link)
-  * [NUCLEO-F446RE](https://www.mouser.com/ProductDetail/STMicroelectronics/NUCLEO-F446RE?qs=PRtH0mD6DWYnuBoPSlbRCA%3D%3D)
-  * [NUCLEO-L452RE](https://www.mouser.com/ProductDetail/STMicroelectronics/NUCLEO-L452RE?qs=zwwtnr6GuIyXyX5dw%2FgKaw%3D%3D)
-  * [NUCLEO-F439ZI](https://www.mouser.com/ProductDetail/STMicroelectronics/NUCLEO-F439ZI?qs=w%2Fv1CP2dgqohyY3gLxBfCw%3D%3D)
 
   Be sure to test with [app_blinky](https://github.com/oresat/oresat-firmware#test-your-toolchain)!
 

Makefile

@@ -1,8 +1,6 @@
 TOPTARGETS := all clean
 
 SUBDIRS := $(wildcard src/f0/*/.)
-SUBDIRS += $(wildcard src/l4/*/.)
-SUBDIRS += $(wildcard src/f4/*/.)
 
 $(TOPTARGETS): $(SUBDIRS)
 $(SUBDIRS):

README.md

@@ -97,8 +97,6 @@ for details on how to do this on a per-system basis.
 #### Test your toolchain
 To test that your build system works correctly, it's recommended that you build one of the `app_blinky` applications and write it to a dev board successfully. Here are the links for the various versions of the app with further documentation:
 * [NUCLEO64_STM32F091RC](src/f0/app_blinky)
-* [NUCLEO144 STM32F439ZI](src/f4/app_blinky)
-* [NUCLEO64 STM32L452RE](src/l4/app_blinky)
 
 ### Creating an app
 Once you have a working toolchain in place, the next step is to copy an existing
@@ -107,8 +105,6 @@ supported MCUs for OreSat are listed below, and link to the relevant folders and
 
 #### Supported MCUs
 * [STM32F091xC](src/f0)
-* [STM32F439Zx](src/f4)
-* [STM32L452RE](src/l4)
 
 ## Subsystems
 ### ACS (Attitude Control System)