                                        :label "GNU Assembler documentation (v2.24)"}
                                       {:url   "http://www.davespace.co.uk/arm/introduction-to-arm/"
                                        :label "ARM: Introduction to ARM: Start"}
-                                      {:url   "http://www.davespace.co.uk/tags/EfficientC.html"
-                                       :label "Efficient C for ARM"
-                                       :desc  "Lots of bitesize examples in both C & Asm"}
                                       {:url   "http://www.bravegnu.org/gnu-eprog/index.html"
                                        :label "Embedded Programming with the GNU Toolchain"}
                                       {:url   "http://web.archive.org/web/20151104192733/http://www.ethernut.de/en/documents/arm-inline-asm.html"

                                      {:url   "http://openocd.org"
                                       :label "OpenOCD"
                                       :desc  "Most flexible of the opensource chip debuggers"}]}
                             {:label "STM_SDK"
                              :links [{:url   "http://www.st.com/web/en/catalog/tools/PF259243"
                                       :label "STM32CubeF4 SDK"
                                       :desc  "Official STM SDK, incl. HAL, ARM CMSIS base & board specific drivers"}
                                      {:url   "http://www.st.com/web/en/catalog/tools/PF261909"
                                       :label "STM32CubeF7 SDK"
                                       :desc  "Official STM SDK, incl. HAL, ARM CMSIS base & board specific drivers"}]}
                             {:label "OSS_SDK"
                              :links [{:url   "http://www.chibios.org/"
                                       :label "ChibiOS"

                                      {:url   "http://www.bottomupcs.com"
                                       :label "E-book: Computer Science from the Bottom Up"
                                       :desc  "Contains essential reading about ELF format"}]}
                             {:label "Articles_C"
                              :links [{:url   "https://matt.sh/howto-c"
                                       :label "How to C in 2016"}
                                      {:url   "http://www.davespace.co.uk/tags/EfficientC.html"
                                       :label "Efficient C for ARM"
                                       :desc  "Lots of bitesize examples in both C & Asm"}]}
                             {:label "Articles_Asm"
                              :links [{:url   "http://www.coranac.com/tonc/text/asm.htm"
                                       :label "A whirlwind tour of ARM assembly"
