diff --git a/Cargo.lock b/Cargo.lock
index da98660..e96dff6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,19 +23,28 @@ version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c3a9648d43b9cd48db467b3f87fdd6e146bcc88ab0180006cef2179fe11d01"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "once_cell",
  "version_check",
  "zerocopy",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "0.6.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81ce3d38065e618af2d7b77e10c5ad9a069859b4be3c2250f674af3840d9c8a5"
+dependencies = [
+ "memchr 2.6.4",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
 dependencies = [
- "memchr",
+ "memchr 2.6.4",
 ]
 
 [[package]]
@@ -53,6 +62,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.5"
@@ -138,7 +156,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -149,7 +167,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fdf6721fb0140e4f897002dd086c06f6c27775df19cfe1fccb21181a48fd2c98"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -168,6 +186,17 @@ dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi 0.1.19",
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -182,7 +211,7 @@ checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "miniz_oxide",
  "object",
@@ -210,6 +239,25 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "383d29d513d8764dcdc42ea295d979eb99c3c9f00607b3692cf68a431f7dca72"
 
+[[package]]
+name = "bindgen"
+version = "0.31.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57253399c086f4f29e57ffd3b5cdbc23a806a00292619351aa4cfa39cb49d4ea"
+dependencies = [
+ "cexpr",
+ "cfg-if 0.1.10",
+ "clang-sys",
+ "clap 2.34.0",
+ "env_logger 0.4.3",
+ "lazy_static 0.2.11",
+ "log 0.3.9",
+ "peeking_take_while",
+ "quote 0.3.15",
+ "regex 0.2.11",
+ "which",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -261,6 +309,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cexpr"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42aac45e9567d97474a834efdee3081b3c942b2205be932092f53354ce503d6c"
+dependencies = [
+ "nom",
+]
+
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -282,6 +345,32 @@ dependencies = [
  "windows-targets 0.48.5",
 ]
 
+[[package]]
+name = "clang-sys"
+version = "0.21.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e414af9726e1d11660801e73ccc7fb81803fb5f49e5903a25b348b2b3b480d2e"
+dependencies = [
+ "glob 0.2.11",
+ "libc",
+ "libloading",
+]
+
+[[package]]
+name = "clap"
+version = "2.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+dependencies = [
+ "ansi_term",
+ "atty",
+ "bitflags 1.3.2",
+ "strsim 0.8.0",
+ "textwrap 0.11.0",
+ "unicode-width",
+ "vec_map",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.11"
@@ -301,7 +390,7 @@ dependencies = [
  "anstream",
  "anstyle",
  "clap_lex",
- "strsim",
+ "strsim 0.10.0",
 ]
 
 [[package]]
@@ -312,7 +401,7 @@ checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
 dependencies = [
  "heck",
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -361,7 +450,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e859cd57d0710d9e06c381b550c06e76992472a8c6d527aecd2fc673dcc231fb"
 dependencies = [
  "percent-encoding",
- "time",
+ "time 0.3.31",
  "version_check",
 ]
 
@@ -372,7 +461,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3cd91cf61412820176e137621345ee43b3f4423e589e7ae4e50d601d93e35ef8"
 dependencies = [
  "percent-encoding",
- "time",
+ "time 0.3.31",
  "version_check",
 ]
 
@@ -384,12 +473,12 @@ checksum = "d606d0fba62e13cf04db20536c05cb7f13673c161cb47a47a82b9b9e7d3f1daa"
 dependencies = [
  "cookie 0.16.2",
  "idna 0.2.3",
- "log",
+ "log 0.4.20",
  "publicsuffix",
  "serde",
  "serde_derive",
  "serde_json",
- "time",
+ "time 0.3.31",
  "url",
 ]
 
@@ -425,7 +514,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e3681d554572a651dda4186cd47240627c3d0114d45a95f6ad27f2f22e7548d"
 dependencies = [
  "autocfg",
- "cfg-if",
+ "cfg-if 1.0.0",
  "crossbeam-utils",
 ]
 
@@ -435,7 +524,7 @@ version = "0.8.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3a430a770ebd84726f584a90ee7f020d28db52c6d02138900f22341f866d39c"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
@@ -465,7 +554,7 @@ checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
 dependencies = [
  "convert_case",
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "rustc_version",
  "syn 1.0.109",
 ]
@@ -487,7 +576,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8cf4b8dd484ede80fd5c547592c46c3745a617c8af278e2b72bea86b2dfed6"
 dependencies = [
  "devise_core",
- "quote",
+ "quote 1.0.33",
 ]
 
 [[package]]
@@ -499,7 +588,7 @@ dependencies = [
  "bitflags 2.4.1",
  "proc-macro2",
  "proc-macro2-diagnostics",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -525,7 +614,17 @@ version = "0.8.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7268b386296a025e474d5140678f75d6de9493ae55a5d709eeb9dd08149945e1"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "env_logger"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ddf21e73e016298f5cb37d6ef8e8da8e39f91f9ec8b0df44b7deb16a9f8cd5b"
+dependencies = [
+ "log 0.3.9",
+ "regex 0.2.11",
 ]
 
 [[package]]
@@ -536,8 +635,8 @@ checksum = "95b3f3e67048839cb0d0781f445682a35113da7121f7c949db0e2be96a4fbece"
 dependencies = [
  "humantime",
  "is-terminal",
- "log",
- "regex",
+ "log 0.4.20",
+ "regex 1.10.2",
  "termcolor",
 ]
 
@@ -578,6 +677,28 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "failure"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
+dependencies = [
+ "backtrace",
+ "failure_derive",
+]
+
+[[package]]
+name = "failure_derive"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
+dependencies = [
+ "proc-macro2",
+ "quote 1.0.33",
+ "syn 1.0.109",
+ "synstructure",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -628,6 +749,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
 [[package]]
 name = "futures"
 version = "0.3.30"
@@ -687,7 +814,7 @@ dependencies = [
  "futures-io",
  "futures-sink",
  "futures-task",
- "memchr",
+ "memchr 2.6.4",
  "pin-project-lite",
  "pin-utils",
  "slab",
@@ -701,7 +828,7 @@ checksum = "5cc16584ff22b460a382b7feec54b23d2908d858152e5739a120b949293bd74e"
 dependencies = [
  "cc",
  "libc",
- "log",
+ "log 0.4.20",
  "rustversion",
  "windows",
 ]
@@ -722,9 +849,9 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
 ]
 
 [[package]]
@@ -733,6 +860,12 @@ version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
+[[package]]
+name = "glob"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
+
 [[package]]
 name = "glob"
 version = "0.3.1"
@@ -779,6 +912,15 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.3"
@@ -946,7 +1088,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b139284b5cf57ecfa712bcc66950bb635b31aff41c188e8a4cfc758eca374a3f"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
 ]
 
 [[package]]
@@ -988,7 +1130,7 @@ version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.3",
  "rustix",
  "windows-sys 0.48.0",
 ]
@@ -1014,6 +1156,22 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
+
+[[package]]
+name = "lazy_static"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -1026,6 +1184,43 @@ version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
+[[package]]
+name = "libloading"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd38073de8f7965d0c17d30546d4bb6da311ab428d1c7a3fc71dff7f9d4979b9"
+dependencies = [
+ "kernel32-sys",
+ "lazy_static 1.4.0",
+ "winapi 0.2.8",
+]
+
+[[package]]
+name = "libmodbus-rs"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c93c05970ef216c712383dd33b8dd0c73084a45b640f6931d8d6f0f963f80fdf"
+dependencies = [
+ "clap 2.34.0",
+ "failure",
+ "libc",
+ "libmodbus-sys",
+ "rand 0.4.6",
+ "time 0.1.45",
+]
+
+[[package]]
+name = "libmodbus-sys"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d60fb76049179a9bc9625944305ad8e31cb5d703038cb95118b002512caf58a9"
+dependencies = [
+ "bindgen",
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "libudev"
 version = "0.3.0"
@@ -1062,6 +1257,15 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "log"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
+dependencies = [
+ "log 0.4.20",
+]
+
 [[package]]
 name = "log"
 version = "0.4.20"
@@ -1074,7 +1278,7 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff50ecb28bb86013e935fb6683ab1f6d3a20016f123c76fd4c27470076ac30f5"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "generator",
  "scoped-tls",
  "serde",
@@ -1107,6 +1311,15 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5"
 
+[[package]]
+name = "memchr"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "memchr"
 version = "2.6.4"
@@ -1168,7 +1381,7 @@ dependencies = [
  "supports-hyperlinks",
  "supports-unicode",
  "terminal_size",
- "textwrap",
+ "textwrap 0.15.2",
  "thiserror",
  "unicode-width",
 ]
@@ -1180,7 +1393,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49e7bc1560b95a3c4a25d03de42fe76ca718ab92d1a22a55b9b4cf67b3ae635c"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -1206,7 +1419,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
 dependencies = [
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.48.0",
 ]
 
@@ -1221,8 +1434,8 @@ dependencies = [
  "futures-util",
  "http",
  "httparse",
- "log",
- "memchr",
+ "log 0.4.20",
+ "memchr 2.6.4",
  "mime",
  "spin",
  "tokio",
@@ -1236,9 +1449,9 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
 dependencies = [
- "lazy_static",
+ "lazy_static 1.4.0",
  "libc",
- "log",
+ "log 0.4.20",
  "openssl",
  "openssl-probe",
  "openssl-sys",
@@ -1255,10 +1468,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "598beaf3cc6fdd9a5dfb1630c2800c7acd31df7aaf0f565796fba2b53ca1af1b"
 dependencies = [
  "bitflags 1.3.2",
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
 ]
 
+[[package]]
+name = "nom"
+version = "3.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
+dependencies = [
+ "memchr 1.0.2",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -1266,7 +1488,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
 dependencies = [
  "overload",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -1284,7 +1506,7 @@ version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.3",
  "libc",
 ]
 
@@ -1294,7 +1516,7 @@ version = "0.32.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
 dependencies = [
- "memchr",
+ "memchr 2.6.4",
 ]
 
 [[package]]
@@ -1310,7 +1532,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8cde4d2d9200ad5909f8dac647e29482e07c3a35de8a13fce7c9c7747ad9f671"
 dependencies = [
  "bitflags 2.4.1",
- "cfg-if",
+ "cfg-if 1.0.0",
  "foreign-types",
  "libc",
  "once_cell",
@@ -1325,7 +1547,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -1381,7 +1603,7 @@ version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
  "smallvec",
@@ -1407,10 +1629,16 @@ checksum = "2e22670e8eb757cff11d6c199ca7b987f352f0346e0be4dd23869ec72cb53c77"
 dependencies = [
  "proc-macro2",
  "proc-macro2-diagnostics",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
@@ -1436,7 +1664,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e228dbe2aebd82de09c914fe28d36d3170ed5192e8d52b9c070ee0794519c2d3"
 dependencies = [
  "base64",
- "rand",
+ "rand 0.8.5",
  "sha2",
 ]
 
@@ -1480,7 +1708,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af066a9c399a26e020ada66a034357a868728e72cd426f3adcd35f80d88d88c8"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
  "version_check",
  "yansi 1.0.0-rc.1",
@@ -1492,10 +1720,10 @@ version = "0.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "449811d15fbdf5ceb5c1144416066429cf82316e2ec8ce0c1f6f8a02e7bbcf8c"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "fnv",
- "lazy_static",
- "memchr",
+ "lazy_static 1.4.0",
+ "memchr 2.6.4",
  "parking_lot",
  "protobuf",
  "thiserror",
@@ -1523,6 +1751,12 @@ dependencies = [
  "psl-types",
 ]
 
+[[package]]
+name = "quote"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
+
 [[package]]
 name = "quote"
 version = "1.0.33"
@@ -1532,6 +1766,19 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+dependencies = [
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "rdrand",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -1540,7 +1787,7 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -1550,9 +1797,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
 [[package]]
 name = "rand_core"
 version = "0.6.4"
@@ -1562,6 +1824,15 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.4.1"
@@ -1587,18 +1858,31 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2566c4bf6845f2c2e83b27043c3f5dfcd5ba8f2937d6c00dc009bfb51a079dc4"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
+[[package]]
+name = "regex"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9329abc99e39129fcceabd24cf5d85b4671ef7c29c50e972bc5afe32438ec384"
+dependencies = [
+ "aho-corasick 0.6.10",
+ "memchr 2.6.4",
+ "regex-syntax 0.5.6",
+ "thread_local 0.3.6",
+ "utf8-ranges",
+]
+
 [[package]]
 name = "regex"
 version = "1.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
 dependencies = [
- "aho-corasick",
- "memchr",
+ "aho-corasick 1.1.2",
+ "memchr 2.6.4",
  "regex-automata 0.4.3",
  "regex-syntax 0.8.2",
 ]
@@ -1618,11 +1902,20 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
 dependencies = [
- "aho-corasick",
- "memchr",
+ "aho-corasick 1.1.2",
+ "memchr 2.6.4",
  "regex-syntax 0.8.2",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d707a4fa2637f2dca2ef9fd02225ec7661fe01a53623c1e6515b6916511f7a7"
+dependencies = [
+ "ucd-util",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.29"
@@ -1656,7 +1949,7 @@ dependencies = [
  "hyper-tls",
  "ipnet",
  "js-sys",
- "log",
+ "log 0.4.20",
  "mime",
  "native-tls",
  "once_cell",
@@ -1709,13 +2002,13 @@ dependencies = [
  "figment",
  "futures",
  "indexmap",
- "log",
- "memchr",
+ "log 0.4.20",
+ "memchr 2.6.4",
  "multer",
  "num_cpus",
  "parking_lot",
  "pin-project-lite",
- "rand",
+ "rand 0.8.5",
  "ref-cast",
  "rocket_codegen",
  "rocket_http",
@@ -1723,7 +2016,7 @@ dependencies = [
  "serde_json",
  "state",
  "tempfile",
- "time",
+ "time 0.3.31",
  "tokio",
  "tokio-stream",
  "tokio-util",
@@ -1739,10 +2032,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2238066abf75f21be6cd7dc1a09d5414a671f4246e384e49fe3f8a4936bd04c"
 dependencies = [
  "devise",
- "glob",
+ "glob 0.3.1",
  "indexmap",
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "rocket_http",
  "syn 2.0.43",
  "unicode-xid",
@@ -1761,8 +2054,8 @@ dependencies = [
  "http",
  "hyper",
  "indexmap",
- "log",
- "memchr",
+ "log 0.4.20",
+ "memchr 2.6.4",
  "pear",
  "percent-encoding",
  "pin-project-lite",
@@ -1771,7 +2064,7 @@ dependencies = [
  "smallvec",
  "stable-pattern",
  "state",
- "time",
+ "time 0.3.31",
  "tokio",
  "uncased",
 ]
@@ -1822,7 +2115,7 @@ version = "0.21.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
 dependencies = [
- "log",
+ "log 0.4.20",
  "ring",
  "rustls-webpki 0.101.7",
  "sct",
@@ -1834,7 +2127,7 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe6b63262c9fcac8659abfaa96cac103d28166d3ff3eaf8f412e19f3ae9e5a48"
 dependencies = [
- "log",
+ "log 0.4.20",
  "ring",
  "rustls-pki-types",
  "rustls-webpki 0.102.0",
@@ -1929,7 +2222,7 @@ checksum = "f4a8caec23b7800fb97971a1c6ae365b6239aaeddfb934d6265f8505e795699d"
 dependencies = [
  "heck",
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -1978,7 +2271,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -2021,16 +2314,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f5a15d0be940df84846264b09b51b10b931fb2f275becb80934e3568a016828"
 dependencies = [
  "bitflags 2.4.1",
- "cfg-if",
+ "cfg-if 1.0.0",
  "core-foundation-sys",
  "io-kit-sys",
  "libudev",
  "mach2",
  "nix",
- "regex",
+ "regex 1.10.2",
  "scopeguard",
  "unescaper",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2039,7 +2332,7 @@ version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "cpufeatures",
  "digest",
 ]
@@ -2050,7 +2343,7 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
 dependencies = [
- "lazy_static",
+ "lazy_static 1.4.0",
 ]
 
 [[package]]
@@ -2105,7 +2398,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4564168c00635f88eaed410d5efa8131afa8d8699a612c80c455a0ba05c21045"
 dependencies = [
- "memchr",
+ "memchr 2.6.4",
 ]
 
 [[package]]
@@ -2117,6 +2410,12 @@ dependencies = [
  "loom",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -2140,7 +2439,7 @@ checksum = "23dc1fa9ac9c169a78ba62f0b841814b7abae11bdd047b9c58f893439e309ea0"
 dependencies = [
  "heck",
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "rustversion",
  "syn 2.0.43",
 ]
@@ -2186,7 +2485,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "unicode-ident",
 ]
 
@@ -2197,10 +2496,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee659fb5f3d355364e1f3e5bc10fb82068efbf824a1e9d1c9504244a6469ad53"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "unicode-ident",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.12.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+dependencies = [
+ "proc-macro2",
+ "quote 1.0.33",
+ "syn 1.0.109",
+ "unicode-xid",
+]
+
 [[package]]
 name = "system-configuration"
 version = "0.5.1"
@@ -2228,7 +2539,7 @@ version = "3.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "fastrand",
  "redox_syscall",
  "rustix",
@@ -2251,19 +2562,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
 dependencies = [
  "libc",
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
 name = "tesla-charge-controller"
-version = "1.0.6"
+version = "1.0.7-prerelease"
 dependencies = [
  "async-channel",
  "chrono",
- "clap",
- "env_logger",
+ "clap 4.4.11",
+ "env_logger 0.10.1",
  "include_dir",
- "log",
+ "libmodbus-rs",
+ "log 0.4.20",
  "metrics",
  "metrics-prometheus",
  "prometheus",
@@ -2282,12 +2594,12 @@ name = "teslatte"
 version = "0.1.11"
 dependencies = [
  "chrono",
- "clap",
+ "clap 4.4.11",
  "colored_json",
  "derive_more",
  "miette",
  "pkce",
- "rand",
+ "rand 0.8.5",
  "reqwest",
  "rustls 0.22.1",
  "serde",
@@ -2301,6 +2613,15 @@ dependencies = [
  "urlencoding",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.15.2"
@@ -2328,20 +2649,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "01742297787513b79cf8e29d1056ede1313e2420b7b3b15d0a768b4921f549df"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
+[[package]]
+name = "thread_local"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
+dependencies = [
+ "lazy_static 1.4.0",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
+dependencies = [
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "time"
 version = "0.3.31"
@@ -2412,7 +2753,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -2519,7 +2860,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
@@ -2539,7 +2880,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
 dependencies = [
- "log",
+ "log 0.4.20",
  "once_cell",
  "tracing-core",
 ]
@@ -2553,10 +2894,10 @@ dependencies = [
  "matchers",
  "nu-ansi-term",
  "once_cell",
- "regex",
+ "regex 1.10.2",
  "sharded-slab",
  "smallvec",
- "thread_local",
+ "thread_local 1.1.7",
  "tracing",
  "tracing-core",
  "tracing-log",
@@ -2583,6 +2924,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "ucd-util"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abd2fc5d32b590614af8b0a20d837f32eca055edd0bbead59a9cfe80858be003"
+
 [[package]]
 name = "uncased"
 version = "0.9.9"
@@ -2664,6 +3011,12 @@ version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
 
+[[package]]
+name = "utf8-ranges"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fcfc827f90e53a02eaef5e535ee14266c1d569214c6aa70133a624d8a3164ba"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.1"
@@ -2682,6 +3035,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "vec_map"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -2697,6 +3056,12 @@ dependencies = [
  "try-lock",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -2709,7 +3074,7 @@ version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ed0d4f68a3015cc185aff4db9506a015f4b96f95303897bfa23f846db54064e"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "wasm-bindgen-macro",
 ]
 
@@ -2720,10 +3085,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b56f625e64f3a1084ded111c4d5f477df9f8c92df113852fa5a374dbda78826"
 dependencies = [
  "bumpalo",
- "log",
+ "log 0.4.20",
  "once_cell",
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
  "wasm-bindgen-shared",
 ]
@@ -2734,7 +3099,7 @@ version = "0.4.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac36a15a220124ac510204aec1c3e5db8a22ab06fd6706d881dc6149f8ed9a12"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "js-sys",
  "wasm-bindgen",
  "web-sys",
@@ -2746,7 +3111,7 @@ version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0162dbf37223cd2afce98f3d0785506dcb8d266223983e4b5b525859e6e182b2"
 dependencies = [
- "quote",
+ "quote 1.0.33",
  "wasm-bindgen-macro-support",
 ]
 
@@ -2757,7 +3122,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
@@ -2785,6 +3150,21 @@ version = "0.25.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1778a42e8b3b90bff8d0f5032bf22250792889a5cdc752aa0020c84abe3aaf10"
 
+[[package]]
+name = "which"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e84a603e7e0b1ce1aa1ee2b109c7be00155ce52df5081590d1ffb93f4f515cb2"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2795,6 +3175,12 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu",
 ]
 
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
+
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -2807,7 +3193,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
 dependencies = [
- "winapi",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2972,7 +3358,7 @@ version = "0.5.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b5c3db89721d50d0e2a673f5043fc4722f76dcc352d7b1ab8b8288bed4ed2c5"
 dependencies = [
- "memchr",
+ "memchr 2.6.4",
 ]
 
 [[package]]
@@ -2981,7 +3367,7 @@ version = "0.50.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "windows-sys 0.48.0",
 ]
 
@@ -3016,7 +3402,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.33",
  "syn 2.0.43",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 43a7806..82ad81e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tesla-charge-controller"
-version = "1.0.6"
+version = "1.0.7-prerelease"
 edition = "2021"
 license = "MITNFA"
 description = "Controls Tesla charge rate based on solar charge data"
@@ -30,3 +30,4 @@ prometheus = "0.13"
 env_logger = "0.10"
 log = "0.4"
 serialport = "4.3"
+libmodbus-rs = "0.8.3"
diff --git a/string_fields.txt b/string_fields.txt
index ce98c61..bd15cd0 100644
--- a/string_fields.txt
+++ b/string_fields.txt
@@ -1,5 +1,7 @@
 cabin_overheat_protection:
 	FanOnly
+	Off
+	On
 climate_keeper_mode:
 	off
 hvac_auto_request: