diff --git a/Cargo.lock b/Cargo.lock
index 082080a..953438a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,7 +20,7 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "0.1.7"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -48,7 +48,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cortex-m"
-version = "0.6.1"
+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)",
@@ -61,7 +61,7 @@ name = "cortex-m-log"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cortex-m 0.6.1 (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-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -80,9 +80,9 @@ name = "cortex-m-rt-macros"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -90,10 +90,10 @@ name = "cortex-m-rtfm"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cortex-m 0.6.1 (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 0.6.11 (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 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rtfm-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -102,10 +102,10 @@ name = "cortex-m-rtfm-macros"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rtfm-syntax 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -113,7 +113,7 @@ name = "cortex-m-semihosting"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cortex-m 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -142,7 +142,7 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "as-slice 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -152,10 +152,10 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -181,13 +181,13 @@ name = "panic-semihosting"
 version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cortex-m 0.6.1 (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-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.6"
+version = "1.0.8"
 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)",
@@ -198,7 +198,7 @@ name = "quote"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -216,9 +216,9 @@ name = "rtfm-syntax"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -255,7 +255,7 @@ name = "serde-json-core"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "heapless 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -264,9 +264,9 @@ name = "serde_derive"
 version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -283,11 +283,11 @@ dependencies = [
 name = "stabilizer"
 version = "0.2.0"
 dependencies = [
- "cortex-m 0.6.1 (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-log 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rtfm 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "heapless 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "panic-halt 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "panic-semihosting 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -308,17 +308,17 @@ version = "0.9.0"
 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 0.6.1 (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 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "syn"
-version = "1.0.11"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -349,12 +349,12 @@ dependencies = [
 [metadata]
 "checksum aligned 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eb1ce8b3382016136ab1d31a1b5ce807144f8b7eb2d5f16b2108f0f07edceb94"
 "checksum as-slice 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "be6b7e95ac49d753f19cab5a825dea99a1149a04e4e3230b33ae16e120954c04"
-"checksum autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
+"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 byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-"checksum cortex-m 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "145da2fc379bbd378ed425e75e1748214add9bbd800d4d5b77abb54ca423dbca"
+"checksum cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2954942fbbdd49996704e6f048ce57567c3e1a4e2dc59b41ae9fde06a01fc763"
 "checksum cortex-m-log 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "978caafe65d1023d38b00c76b83564788fc351d954a5005fb72cf992c0d61458"
 "checksum cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "33a716cd7d8627fae3892c2eede9249e50d2d79aedfb43ca28dad9a2b23876d9"
 "checksum cortex-m-rt-macros 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "72b1073338d1e691b3b7aaf6bd61993e589ececce9242a02dfa5453e1b98918d"
@@ -364,13 +364,13 @@ dependencies = [
 "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 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f339aa7d51777fc0af6aa7cbeb277dfc6e6c029cbdeda48d0fbb92c2337f0e69"
-"checksum indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712d7b3ea5827fcb9d4fda14bf4da5f136f0db2ae9c8f4bd4e2d1c6fde4e6db2"
+"checksum heapless 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "11f6c9395cad684c09e7172ac2b333b838f4099d0545ffd89ba7a89d10dfd605"
+"checksum indexmap 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b54058f0a6ff80b6803da8faf8997cde53872b38f4023728f6830b06cd3c0dc"
 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fdcec5e97041c7f0f1c5b7d93f12e57293c831c646f4cc7a5db59460c7ea8de6"
 "checksum panic-halt 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de96540e0ebde571dc55c73d60ef407c653844e6f9a1e2fdbd40c07b9252d812"
 "checksum panic-semihosting 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c03864ac862876c16a308f5286f4aa217f1a69ac45df87ad3cd2847f818a642c"
-"checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
+"checksum proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3acb317c6ff86a4e579dfa00fc5e6cca91ecbb4e7eb2df0468805b674eb88548"
 "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 "checksum r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e2a38df5b15c8d5c7e8654189744d8e396bddc18ad48041a500ce52d6948941f"
 "checksum rtfm-core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9ec893edb2aa5b70320b94896ffea22a7ebb1cf3f942bb67cd5b60a865a63493"
@@ -384,7 +384,7 @@ dependencies = [
 "checksum smoltcp 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0fe46639fd2ec79eadf8fe719f237a7a0bd4dac5d957f1ca5bbdbc1c3c39e53a"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum stm32h7 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6fd678579307324f1890552fe644331ce0a46607f2466aac8609f782d9b26524"
-"checksum syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238"
+"checksum syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "af6f3550d8dff9ef7dc34d384ac6f107e5d31c8f57d9f28e0081503f547ac8f5"
 "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"