Base station firmware: Initial import.

.gitignore

@@ -1,6 +1,3 @@
-# For PCBs designed using KiCad: http://www.kicad-pcb.org/
-# Format documentation: http://kicad-pcb.org/help/file-formats/
-
 # Temporary files
 *.000
 *.bak
@@ -8,6 +5,7 @@
 *.kicad_pcb-bak
 *.sch-bak
 *~
+*.swp
 _autosave-*
 *.tmp
 *-save.pro
@@ -25,3 +23,5 @@ fp-info-cache*
 *.xml
 *.csv
 
+# Rust
+base-station/firmware/target

README.md

@@ -3,6 +3,12 @@
 
 This repository contains the description of a number of smart home devices as well as the source code for the corresponding firmware.
 
+# Compiling
+
+Compiling the base station firmware requires a rust toolchain for ARMv6m:
+
+    rustup target add thumbv6m-none-eabi
+
 # License
 
 The hardware contained in this repository is licensed under the [CERN Open Hardware Licence Version 2 - Weakly Reciprocal](cern_ohl_w_v2.txt), and the software is licensed under the [GNU General Public License v3](gpl-3.0.md).

base-station/firmware/.cargo/config

@@ -0,0 +1,5 @@
+[target.thumbv6m-none-eabi]
+rustflags = ["-C", "link-arg=-Tlink.x"]
+
+[build]
+target = "thumbv6m-none-eabi"

base-station/firmware/.gdbinit

@@ -0,0 +1,18 @@
+target extended-remote :3333
+
+monitor arm semihosting enable
+
+# # send captured ITM to the file itm.fifo
+# # (the microcontroller SWO pin must be connected to the programmer SWO pin)
+# # 8000000 must match the core clock frequency
+# monitor tpiu config internal itm.fifo uart off 8000000
+
+# # OR: make the microcontroller SWO pin output compatible with UART (8N1)
+# # 2000000 is the frequency of the SWO pin
+# monitor tpiu config external uart off 8000000 2000000
+
+# # enable ITM port 0
+# monitor itm port 0 on
+
+load
+step

base-station/firmware/Cargo.lock

@@ -0,0 +1,451 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "aligned"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "as-slice 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "as-slice"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "bare-metal"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "base-station-firmware"
+version = "0.0.1"
+dependencies = [
+ "bme280 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rtfm 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embedded-epd 0.1.0 (git+https://github.com/mgottschlag/rust-embedded-epd)",
+ "embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "epd-assets 0.1.0 (git+https://github.com/mgottschlag/rust-epd-assets)",
+ "mkl25z4 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mkl25z4-hal 0.1.0 (git+https://github.com/mgottschlag/mkl25z4-hal)",
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "panic-semihosting 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "bme280"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "byteorder"
+version = "1.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "cc"
+version = "1.0.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "cortex-m"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aligned 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-rt"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m-rt-macros 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-rt-macros"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-rtfm"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rtfm-macros 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rtfm-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-rtfm-macros"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rtfm-syntax 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-semihosting"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "embedded-epd"
+version = "0.1.0"
+source = "git+https://github.com/mgottschlag/rust-embedded-epd#5ce5a2fd7b84a86938680adab393132d68d01e77"
+dependencies = [
+ "embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "embedded-hal"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "epd-assets"
+version = "0.1.0"
+source = "git+https://github.com/mgottschlag/rust-epd-assets#3feee66fa2b6885525cb829045102f2dae1b8521"
+dependencies = [
+ "freetype-rs 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lodepng 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "freetype-rs"
+version = "0.19.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "freetype-sys 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "freetype-sys"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hash32"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "heapless"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "as-slice 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash32 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "indexmap"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "libz-sys"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "lodepng"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rgb 0.8.16 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "mkl25z4"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "mkl25z4-hal"
+version = "0.1.0"
+source = "git+https://github.com/mgottschlag/mkl25z4-hal#69f41e663e7e124adb0813793bf26d8232875ef1"
+dependencies = [
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mkl25z4 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "nb"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "panic-semihosting"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "pkg-config"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "r0"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "rgb"
+version = "0.8.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "rtfm-core"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "rtfm-syntax"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "indexmap 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "syn"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "typenum"
+version = "1.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "vcell"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "vcpkg"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "volatile-register"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[metadata]
+"checksum aligned 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eb1ce8b3382016136ab1d31a1b5ce807144f8b7eb2d5f16b2108f0f07edceb94"
+"checksum as-slice 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "37dfb65bc03b2bc85ee827004f14a6817e04160e3b1a28931986a666a9290e70"
+"checksum autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+"checksum bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
+"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+"checksum bme280 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bc93357f2a5603736e2c1f1ba8e18e9ec80efa7fdade5d6a37c11362b76363f4"
+"checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+"checksum cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)" = "95e28fa049fda1c330bcf9d723be7663a899c4679724b34c81e9f5a326aab8cd"
+"checksum cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2954942fbbdd49996704e6f048ce57567c3e1a4e2dc59b41ae9fde06a01fc763"
+"checksum cortex-m-rt 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "00d518da72bba39496024b62607c1d8e37bcece44b2536664f1132a73a499a28"
+"checksum cortex-m-rt-macros 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "4717562afbba06e760d34451919f5c3bf3ac15c7bb897e8b04862a7428378647"
+"checksum cortex-m-rtfm 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eaf0b9fd3f042cb3793d15daf3cea201b2f25c99b0b5b936a551bb6909c3ae5b"
+"checksum cortex-m-rtfm-macros 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c62092f6ff344e9b0adb748f0302ed69889ba2fae1fce446e3788d4726ea73bb"
+"checksum cortex-m-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "113ef0ecffee2b62b58f9380f4469099b30e9f9cbee2804771b4203ba1762cfa"
+"checksum embedded-epd 0.1.0 (git+https://github.com/mgottschlag/rust-embedded-epd)" = "<none>"
+"checksum embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ee4908a155094da7723c2d60d617b820061e3b4efcc3d9e293d206a5a76c170b"
+"checksum epd-assets 0.1.0 (git+https://github.com/mgottschlag/rust-epd-assets)" = "<none>"
+"checksum freetype-rs 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)" = "28cc92a7040ee7b631e4279e263f9a83aedc1eb6085c68d8ca4d072b5644e705"
+"checksum freetype-sys 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9c8666cce7cf6e51a290623647febfbab92480b4c3e0f495cb9d4d312b5d38"
+"checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
+"checksum generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0ed1e761351b56f54eb9dcd0cfaca9fd0daecf93918e1cfc01c8a3d26ee7adcd"
+"checksum hash32 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d4041af86e63ac4298ce40e5cca669066e75b6f1aa3390fe2561ffa5e1d9f4cc"
+"checksum heapless 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "10b591a0032f114b7a77d4fbfab452660c553055515b7d7ece355db080d19087"
+"checksum indexmap 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "076f042c5b7b98f31d205f1249267e12a6518c1481e9dae9764af19b707d2292"
+"checksum libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)" = "dea0c0405123bba743ee3f91f49b1c7cfb684eef0da0a50110f758ccf24cdff0"
+"checksum libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
+"checksum lodepng 2.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "40ed9859b15e009b494528f32ad054c5baf67afabf3c05d27973ea151563d430"
+"checksum mkl25z4 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "91f9b185f1346b1fdc8337481e2fdf5f282d0e884e2c59e4ddea5328105017d7"
+"checksum mkl25z4-hal 0.1.0 (git+https://github.com/mgottschlag/mkl25z4-hal)" = "<none>"
+"checksum nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b1411551beb3c11dedfb0a90a0fa256b47d28b9ec2cdff34c25a2fa59e45dbdc"
+"checksum panic-semihosting 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c03864ac862876c16a308f5286f4aa217f1a69ac45df87ad3cd2847f818a642c"
+"checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+"checksum proc-macro2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6c09721c6781493a2a492a96b5a5bf19b65917fe6728884e7c44dd0c60ca3435"
+"checksum quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
+"checksum r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e2a38df5b15c8d5c7e8654189744d8e396bddc18ad48041a500ce52d6948941f"
+"checksum rgb 0.8.16 (registry+https://github.com/rust-lang/crates.io-index)" = "5ec4ab2cf0b27e111e266e161cf7f9efd20125a161190da1c0945c4a4408fef3"
+"checksum rtfm-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9ec893edb2aa5b70320b94896ffea22a7ebb1cf3f942bb67cd5b60a865a63493"
+"checksum rtfm-syntax 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4455e23c34df3d66454e7e218a4d76a7f83321d04a806be614463341cec4116e"
+"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+"checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
+"checksum syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)" = "0df0eb663f387145cab623dea85b09c2c5b4b0aef44e945d928e682fce71bb03"
+"checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
+"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+"checksum vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "876e32dcadfe563a4289e994f7cb391197f362b6315dc45e8ba4aa6f564a4b3c"
+"checksum vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3fc439f2794e98976c88a2a2dafce96b930fe8010b0a256b3c2199a773933168"
+"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+"checksum volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d67cb4616d99b940db1d6bd28844ff97108b498a6ca850e5b6191a532063286"

base-station/firmware/Cargo.toml

@@ -0,0 +1,48 @@
+[package]
+authors = ["Mathias Gottschlag <mgottschlag@gmail.com>"]
+categories = ["embedded", "no-std"]
+description = "smarthome base station firmware"
+keywords = ["arm", "cortex-m"]
+license = "MIT"
+name = "base-station-firmware"
+version = "0.0.1"
+build = "build.rs"
+edition = "2018"
+
+[dependencies]
+cortex-m = "0.6.2"
+cortex-m-rt = { version = "0.6.12", features = ["device"] }
+cortex-m-rtfm = "0.5.1"
+mkl25z4 = { version = "0.0.3", features = ["rt"] }
+#panic-halt = "0.2.0"
+panic-semihosting = "0.5.3"
+cortex-m-semihosting = "0.3.5"
+mkl25z4-hal = { git = "https://github.com/mgottschlag/mkl25z4-hal" }
+embedded-hal = "0.2.3"
+nb = "0.1.2"
+embedded-epd = { git = "https://github.com/mgottschlag/rust-embedded-epd" }
+bme280 = "0.2.1"
+
+[dependencies.void]
+default-features = false
+version = "1.0.2"
+
+[build-dependencies]
+epd-assets = { git = "https://github.com/mgottschlag/rust-epd-assets" }
+
+#[patch."https://github.com/mgottschlag/mkl25z4-hal"]
+#mkl25z4-hal = { path = "/home/mathias/Projects/microcontroller/mkl25z4-hal" }
+
+#[patch."https://github.com/mgottschlag/mkl25z4"]
+#mkl25z4 = { path = "/home/mathias/Projects/microcontroller/mkl25z4" }
+
+#[patch."https://github.com/mgottschlag/rust-embedded-epd"]
+#embedded-epd = { path = "/home/mathias/Projects/microcontroller/rust-embedded-epd" }
+
+#[patch."https://github.com/mgottschlag/rust-epd-assets"]
+#epd-assets = { path = "/home/mathias/Projects/microcontroller/rust-epd-assets" }
+
+[profile]
+[profile.release]
+debug = true
+lto = true

base-station/firmware/build.rs

@@ -0,0 +1,35 @@
+extern crate epd_assets as assets;
+
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::Path;
+
+fn main() {
+    let out_dir = env::var("OUT_DIR").unwrap();
+    let dest_path = Path::new(&out_dir).join("assets.rs");
+    let mut f = File::create(&dest_path).unwrap();
+
+    let mut font = assets::Font::load("assets/Roboto-Regular.ttf").unwrap();
+
+    let epd_font = font.generate("ROBOTO_100", 100, " 0123456789:", "crate::epd");
+    f.write_all(epd_font.as_bytes()).unwrap();
+
+    let epd_font = font.generate(
+        "ROBOTO_30",
+        30,
+        " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:.",
+        "crate::epd",
+    );
+
+    f.write_all(epd_font.as_bytes()).unwrap();
+
+    let clock_image = assets::Image::load("assets/ic_alarm_black_36dp.png").unwrap();
+
+    f.write_all(
+        clock_image
+            .generate_bitmap("ALARM_CLOCK_36", "crate::epd")
+            .as_bytes(),
+    )
+    .unwrap();
+}

base-station/firmware/gdb.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+arm-none-eabi-gdb target/thumbv6m-none-eabi/release/smartclock-firmware

base-station/firmware/memory.x

@@ -0,0 +1,13 @@
+/* Parts taken from https://github.com/therealprof/mkw41z-hal/blob/master/memory.x */
+
+MEMORY
+{
+  FLASH : ORIGIN = 0x00000000, LENGTH = 128K
+  RAM : ORIGIN = 0x1ffff000, LENGTH = 16K
+  /* This chip has funny security bits at 0x400 ... */
+  FCF : ORIGIN = 0x00000400, LENGTH = 16
+}
+
+/* Skip the whole sector with the security bits and let program code start
+ * after to prevent nasty mishaps */
+_stext = 0x00000800;

base-station/firmware/openocd-disable-watchdog.cfg

@@ -0,0 +1,4 @@
+kl25.cpu configure -event reset-init {
+    echo "Disabling watchdog..."
+    mww 0x40048100 0x0
+}

base-station/firmware/openocd.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+openocd -f interface/cmsis-dap.cfg -f target/kl25.cfg

base-station/firmware/program.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+openocd -f interface/cmsis-dap.cfg -f target/kl25.cfg -c "program target/thumbv6m-none-eabi/release/smartclock-firmware reset exit"

base-station/firmware/rust-toolchain

@@ -0,0 +1 @@
+nightly-2020-03-27

base-station/firmware/src/board/led.rs

@@ -0,0 +1,88 @@
+//! User LEDs
+
+use mkl25z4_hal::gpio;
+use embedded_hal::digital::v2::OutputPin;
+
+pub struct Led {
+    pub red: gpio::gpiob::PB18<gpio::Output<gpio::PushPull>>,
+    pub green: gpio::gpiob::PB19<gpio::Output<gpio::PushPull>>,
+    pub blue: gpio::gpiod::PD1<gpio::Output<gpio::PushPull>>,
+}
+
+impl Led {
+    /// Sets the LED's color
+    pub fn set_color(&mut self, red: bool, green: bool, blue: bool) {
+        if red {
+            self.red.set_low().ok();
+        } else {
+            self.red.set_high().ok();
+        }
+        if green {
+            self.green.set_low().ok();
+        } else {
+            self.green.set_high().ok();
+        }
+        if blue {
+            self.blue.set_low().ok();
+        } else {
+            self.blue.set_high().ok();
+        }
+        // NOTE(safe) atomic write
+        /*unsafe {
+            if red {
+                (*GPIOB::ptr()).pcor.write(|w| w.ptco().bits(1 << 18));
+            } else {
+                (*GPIOB::ptr()).psor.write(|w| w.ptso().bits(1 << 18));
+            }
+            if green {
+                (*GPIOB::ptr()).pcor.write(|w| w.ptco().bits(1 << 19));
+            } else {
+                (*GPIOB::ptr()).psor.write(|w| w.ptso().bits(1 << 19));
+            }
+            if blue {
+                (*GPIOD::ptr()).pcor.write(|w| w.ptco().bits(1 << 1));
+            } else {
+                (*GPIOD::ptr()).psor.write(|w| w.ptso().bits(1 << 1));
+            }
+        }*/    }
+}
+
+//impl Led {
+//    /// Turns off the LED
+//    pub fn off(&self) {
+//        // NOTE(safe) atomic write
+//        unsafe { (*GPIOG.get()).bsrr.write(|w| w.bits(1 << (self.i + 16))) }
+//    }
+//
+//    /// Turns on the LED
+//    pub fn on(&self) {
+//        // NOTE(safe) atomic write
+//        unsafe { (*GPIOG.get()).bsrr.write(|w| w.bits(1 << self.i)) }
+//    }
+//}
+
+/*/// Initializes all the user LEDs
+pub fn init(portb: &PORTB, gpiob: &GPIOB, portd: &PORTD, gpiod: &GPIOD, sim: &SIM) {
+    // Power up peripherals
+    //rcc.ahb1enr.modify(|_, w| w.gpiogen().set_bit());
+    sim.scgc5.modify(|_, w| w.portb().set_bit().portd().set_bit());
+
+    // Configure pins as outputs
+    portb.pcr[18].modify(|_, w| w.mux().bits(1));
+    portb.pcr[19].modify(|_, w| w.mux().bits(1));
+    portd.pcr[1].modify(|_, w| w.mux().bits(1));
+    gpiod.pcor.write(|w| unsafe { w.ptco().bits(1 << 1) });
+    gpiob.pcor.write(|w| unsafe { w.ptco().bits((1 << 18) | (1 << 19)) });
+    gpiod.pddr.write(|w| unsafe { w.pdd().bits(1 << 1) });
+    gpiob.pddr.write(|w| unsafe { w.pdd().bits((1 << 18) | (1 << 19)) });
+    /*gpiog
+        .moder
+        .modify(
+            |_, w| {
+                w.moder13()
+                    .bits(1)
+                    .moder14()
+                    .bits(1)
+            },
+        );*/
+}*/

base-station/firmware/src/board/mod.rs

@@ -0,0 +1 @@
+pub mod led;

base-station/firmware/src/main.rs

@@ -0,0 +1,411 @@
+#![no_main]
+#![no_std]
+
+mod board;
+mod assets {
+    include!(concat!(env!("OUT_DIR"), "/assets.rs"));
+}
+
+
+use cortex_m_semihosting::{debug, hprintln};
+use mkl25z4_hal as hal;
+use panic_semihosting as _;
+use mkl25z4_hal::gpio::GpioExt;
+use mkl25z4_hal::spi::{Phase, Polarity, Spi};
+use mkl25z4_hal::time::{NonCopyableMonoTimer, U32Ext};
+use mkl25z4_hal::timer::{Timer, TimerInterrupt};
+use embedded_hal::digital::v2::OutputPin;
+use embedded_epd::{gui, Display};
+use embedded_epd as epd;
+use nb::block;
+use embedded_hal::timer::CountDown;
+
+use board::led;
+
+struct EPDTimer<Timer> {
+    timer: Timer,
+}
+
+impl<Timer> CountDown for EPDTimer<Timer>
+where
+    Timer: CountDown<Time = hal::time::Hertz>,
+{
+    type Time = epd::Hertz;
+
+    fn start<T>(&mut self, timeout: T)
+    where
+        T: Into<epd::Hertz>,
+    {
+        self.timer.start(hal::time::Hertz(timeout.into().0))
+    }
+
+    fn wait(&mut self) -> nb::Result<(), void::Void> {
+        self.timer.wait()
+    }
+}
+
+#[rtfm::app(device = mkl25z4_hal::mkl25z4, peripherals = true)]
+const APP: () = {
+    struct Resources {
+    }
+
+    #[init]
+    fn init(ctx: init::Context) {
+        let mut sim = ctx.device.SIM;
+        mkl25z4_hal::watchdog::disable(&mut sim);
+        let clocks = mkl25z4_hal::clocks::init();
+
+        let mut gpiob = ctx.device.GPIOB.split(&mut sim);
+        let mut gpioc = ctx.device.GPIOC.split(&mut sim);
+        let mut gpiod = ctx.device.GPIOD.split(&mut sim);
+
+        let mut led = led::Led {
+            red: gpiob.pb18.into_push_pull_output(&mut gpiob.pddr),
+            green: gpiob.pb19.into_push_pull_output(&mut gpiob.pddr),
+            blue: gpiod.pd1.into_push_pull_output(&mut gpiod.pddr),
+        };
+        //led::init(&p.device.PORTB, &p.device.GPIOB, &p.device.PORTD, &p.device.GPIOD, &p.device.SIM);
+        led.set_color(true, true, true);
+
+        /*for _ in 0..2 {
+            time.delay_ms(1000);
+            led.set_color(false, false, true);
+            time.delay_ms(1000);
+            led.set_color(false, true, false);
+        }*/
+
+        let mosi = gpioc.pc6.into_alternate(&mut gpioc.pddr);
+        let miso = gpioc.pc7.into_alternate(&mut gpioc.pddr);
+        let sck = gpioc.pc5.into_alternate(&mut gpioc.pddr);
+        let mode = hal::spi::Mode {
+            polarity: Polarity::IdleLow,
+            phase: Phase::CaptureOnFirstTransition,
+        };
+        let spi0 = Spi::spi0(ctx.device.SPI0, mosi, miso, sck, mode, &mut sim);
+
+        // Initialize the display.
+        let busy = gpioc.pc3.into_floating_input(&mut gpioc.pddr);
+        let mut reset = gpioc.pc2.into_push_pull_output(&mut gpioc.pddr);
+        reset.set_high().unwrap();
+        let mut data_cmd = gpioc.pc1.into_push_pull_output(&mut gpioc.pddr);
+        data_cmd.set_high().unwrap();
+        let mut cs = gpioc.pc0.into_push_pull_output(&mut gpioc.pddr);
+        cs.set_high().unwrap();
+
+        let t = EPDTimer {
+            timer: Timer::pit(ctx.device.PIT, hal::time::Hertz(1), clocks, &mut sim),
+        };
+
+        let mut display = epd::gdew042z15::GDEW042Z15::new(spi0, busy, reset, data_cmd, cs, t);
+        block!(display.init()).ok();
+        block!(display.start_frame()).ok();
+        led.set_color(false, false, false);
+        let layout = gui::Layout::new(
+            400,
+            300,
+            gui::VerticalSplit::expand_bottom(
+                24,
+                gui::Fill::new(epd::Color::White),
+                gui::VerticalSplit::expand_bottom(
+                    1,
+                    gui::Fill::new(epd::Color::Black),
+                    gui::HorizontalSplit::expand_right(
+                        48,
+                        gui::Fill::new(epd::Color::White),
+                        //gui::Image::new(&assets::ALARM_CLOCK_36),
+                        gui::HorizontalSplit::expand_right(
+                            1,
+                            gui::Fill::new(epd::Color::Black),
+                            gui::HorizontalSplit::expand_left(
+                                49,
+                                gui::VerticalSplit::expand_bottom(
+                                    132,
+                                    gui::Align::new(
+                                        gui::HorizontalAlign::Center,
+                                        gui::VerticalAlign::Top,
+                                        gui::Text::new("12:34", &assets::ROBOTO_100),
+                                    ),
+                                    gui::Align::new(
+                                        gui::HorizontalAlign::Center,
+                                        gui::VerticalAlign::Top,
+                                        gui::HorizontalSplit::expand_right(
+                                            36,
+                                            gui::Image::new(&assets::ALARM_CLOCK_36),
+                                            gui::Text::new("Do. 8:00", &assets::ROBOTO_30),
+                                        ),
+                                    ),
+                                ),
+                                gui::Fill::new(epd::Color::White),
+                            ),
+                        ),
+                    ),
+                ),
+            ),
+        );
+        let mut row_buffer = [0u8; 400 / 8];
+        layout.render(&mut display, &mut row_buffer);
+        display.end_frame();
+        led.set_color(true, true, false);
+
+        let (_, _, _, _, _, mut t) = display.destroy();
+
+        /*let pit_ = display.time.deactivate(&mut p.device.SIM);*/
+        t.start(epd::Hertz(1));
+        t.timer.enable_interrupt();
+        let mut nvic = ctx.core.NVIC;
+        nvic.enable(mkl25z4::Interrupt::PIT);
+
+        led.set_color(true, true, true);
+    }
+
+    #[idle]
+    fn idle(_cx: idle::Context) -> ! {
+        // Sleep
+        loop {
+            // wfi needs to be disabled for GDB
+            /*// add some side effect to prevent this from turning into a UDF instruction
+            // see rust-lang/rust#28728 for details
+            atomic::compiler_fence(Ordering::SeqCst);*/
+            cortex_m::asm::wfi();
+        }
+    }
+};
+
+/*#![no_main]
+#![no_std]
+
+extern crate cortex_m;
+extern crate cortex_m_rt as rt;
+//extern crate cortex_m_rtfm as rtfm;
+extern crate embedded_epd as epd;
+extern crate embedded_hal;
+extern crate mkl25z4;
+extern crate mkl25z4_hal as hal;
+//extern crate panic_halt;
+extern crate panic_semihosting;
+extern crate void;
+#[macro_use(block)]
+extern crate nb;
+extern crate bme280;
+
+mod board;
+mod assets {
+    include!(concat!(env!("OUT_DIR"), "/assets.rs"));
+}
+
+use bme280::BME280;
+use board::led;
+use embedded_hal::prelude::*;
+use embedded_hal::timer::CountDown;
+use epd::{gui, Display};
+use hal::gpio::GpioExt;
+use hal::i2c::BlockingI2c;
+use hal::spi::{Phase, Polarity, Spi};
+use hal::time::{NonCopyableMonoTimer, U32Ext};
+use hal::timer::{Timer, TimerInterrupt};
+use rt::pre_init;
+use rtfm::{app, Threshold};
+
+/*use core::sync::atomic;
+use core::sync::atomic::Ordering;*/
+
+struct EPDTimer<Timer> {
+    timer: Timer,
+}
+
+impl<Timer> CountDown for EPDTimer<Timer>
+where
+    Timer: CountDown<Time = hal::time::Hertz>,
+{
+    type Time = epd::Hertz;
+
+    fn start<T>(&mut self, timeout: T)
+    where
+        T: Into<epd::Hertz>,
+    {
+        self.timer.start(hal::time::Hertz(timeout.into().0))
+    }
+
+    fn wait(&mut self) -> nb::Result<(), void::Void> {
+        self.timer.wait()
+    }
+}
+
+#[pre_init]
+unsafe fn disable_watchdog() {
+    use mkl25z4::SIM;
+    (*SIM::ptr()).copc.write(|w| w.bits(0));
+}
+
+app! {
+    device: mkl25z4,
+
+    resources: {
+        static ON: bool = false;
+        static pit: hal::timer::Timer<mkl25z4::PIT>;
+        static rgb_led: led::Led;
+    },
+
+    tasks: {
+        PIT: {
+            path: pit_handler,
+            resources: [pit, rgb_led, ON],
+        },
+    },
+}
+
+fn init(mut p: init::Peripherals, _r: init::Resources) -> init::LateResources {
+    mkl25z4_hal::watchdog::disable(&mut p.device.SIM);
+    let clocks = mkl25z4_hal::clocks::init();
+    //let time = hal::time::MonoTimer::new(p.device.PIT, clocks, &mut p.device.SIM);
+
+    let mut gpiob = p.device.GPIOB.split(&mut p.device.SIM);
+    let mut gpioc = p.device.GPIOC.split(&mut p.device.SIM);
+    let mut gpiod = p.device.GPIOD.split(&mut p.device.SIM);
+
+    let mut led = led::Led {
+        red: gpiob.pb18.into_push_pull_output(&mut gpiob.pddr),
+        green: gpiob.pb19.into_push_pull_output(&mut gpiob.pddr),
+        blue: gpiod.pd1.into_push_pull_output(&mut gpiod.pddr),
+    };
+    //led::init(&p.device.PORTB, &p.device.GPIOB, &p.device.PORTD, &p.device.GPIOD, &p.device.SIM);
+    led.set_color(true, true, true);
+
+    let timer = NonCopyableMonoTimer::new(p.device.PIT, clocks, &mut p.device.SIM);
+    let scl = gpiob.pb2.into_alternate(&mut gpiob.pddr);
+    let sda = gpiob.pb3.into_alternate(&mut gpiob.pddr);
+    let i2c0 = BlockingI2c::i2c0(
+        p.device.I2C0,
+        sda,
+        scl,
+        100000u32.hz(),
+        timer,
+        clocks,
+        &mut p.device.SIM,
+        1000000,
+        10,
+        1000000,
+        1000000,
+    );
+    let mut bme280 = BME280::new_primary(i2c0);
+    let (_, _, _, timer) = i2c0.free(&mut p.device.SIM);
+    let pit_ = timer.free(&mut p.device.SIM);
+
+    /*for _ in 0..2 {
+        time.delay_ms(1000);
+        led.set_color(false, false, true);
+        time.delay_ms(1000);
+        led.set_color(false, true, false);
+    }*/
+
+    let mosi = gpioc.pc6.into_alternate(&mut gpioc.pddr);
+    let miso = gpioc.pc7.into_alternate(&mut gpioc.pddr);
+    let sck = gpioc.pc5.into_alternate(&mut gpioc.pddr);
+    let mode = hal::spi::Mode {
+        polarity: Polarity::IdleLow,
+        phase: Phase::CaptureOnFirstTransition,
+    };
+    let spi0 = Spi::spi0(p.device.SPI0, mosi, miso, sck, mode, &mut p.device.SIM);
+
+    // Initialize the display.
+    let busy = gpioc.pc3.into_floating_input(&mut gpioc.pddr);
+    let mut reset = gpioc.pc2.into_push_pull_output(&mut gpioc.pddr);
+    reset.set_high();
+    let mut data_cmd = gpioc.pc1.into_push_pull_output(&mut gpioc.pddr);
+    data_cmd.set_high();
+    let mut cs = gpioc.pc0.into_push_pull_output(&mut gpioc.pddr);
+    cs.set_high();
+
+    let t = EPDTimer {
+        timer: Timer::pit(pit_, hal::time::Hertz(1), clocks, &mut p.device.SIM),
+    };
+
+    let mut display = epd::gdew042z15::GDEW042Z15::new(spi0, busy, reset, data_cmd, cs, t);
+    block!(display.init()).ok();
+    block!(display.start_frame()).ok();
+    led.set_color(false, false, false);
+    let layout = gui::Layout::new(
+        400,
+        300,
+        gui::VerticalSplit::expand_bottom(
+            24,
+            gui::Fill::new(epd::Color::White),
+            gui::VerticalSplit::expand_bottom(
+                1,
+                gui::Fill::new(epd::Color::Black),
+                gui::HorizontalSplit::expand_right(
+                    48,
+                    gui::Fill::new(epd::Color::White),
+                    //gui::Image::new(&assets::ALARM_CLOCK_36),
+                    gui::HorizontalSplit::expand_right(
+                        1,
+                        gui::Fill::new(epd::Color::Black),
+                        gui::HorizontalSplit::expand_left(
+                            49,
+                            gui::VerticalSplit::expand_bottom(
+                                132,
+                                gui::Align::new(
+                                    gui::HorizontalAlign::Center,
+                                    gui::VerticalAlign::Top,
+                                    gui::Text::new("12:34", &assets::ROBOTO_100),
+                                ),
+                                gui::Align::new(
+                                    gui::HorizontalAlign::Center,
+                                    gui::VerticalAlign::Top,
+                                    gui::HorizontalSplit::expand_right(
+                                        36,
+                                        gui::Image::new(&assets::ALARM_CLOCK_36),
+                                        gui::Text::new("Do. 8:00", &assets::ROBOTO_30),
+                                    ),
+                                ),
+                            ),
+                            gui::Fill::new(epd::Color::White),
+                        ),
+                    ),
+                ),
+            ),
+        ),
+    );
+    let mut row_buffer = [0u8; 400 / 8];
+    layout.render(&mut display, &mut row_buffer);
+    display.end_frame();
+    led.set_color(true, true, false);
+
+    let (_, _, _, _, _, mut t) = display.destroy();
+
+    /*let pit_ = display.time.deactivate(&mut p.device.SIM);*/
+    t.start(epd::Hertz(1));
+    t.timer.enable_interrupt();
+    p.core.NVIC.enable(mkl25z4::Interrupt::PIT);
+
+    led.set_color(true, true, true);
+
+    init::LateResources {
+        pit: t.timer,
+        rgb_led: led,
+    }
+}
+
+fn idle() -> ! {
+    // Sleep
+    loop {
+        // wfi needs to be disabled for GDB
+        /*// add some side effect to prevent this from turning into a UDF instruction
+        // see rust-lang/rust#28728 for details
+        atomic::compiler_fence(Ordering::SeqCst);*/
+        rtfm::wfi();
+    }
+}
+
+// TASKS
+
+// Toggle the state of the LED
+fn pit_handler(_t: &mut Threshold, mut r: PIT::Resources) {
+    if *r.ON {
+        r.rgb_led.set_color(false, false, true);
+    } else {
+        r.rgb_led.set_color(true, false, false);
+    }
+    r.pit.wait().ok();
+    *r.ON = !*r.ON;
+}*/