Update pins for the realities of the board layout

This now sends a set of lights to the dashboard from a pico. I had to
adjust some of the colors as they do not look nearly as good in lights
as they do in the screen. There is no real application loop yet, no the
ability to get feedback from external controls.

Cargo.lock

@@ -120,6 +120,12 @@ version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
+[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
 [[package]]
 name = "async-channel"
 version = "1.9.0"
@@ -330,6 +336,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "az"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b7e4c2464d97fe331d41de9d5db0def0a96f4d823b8b32a2efd503578988973"
+
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -345,6 +357,15 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "bare-metal"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
+dependencies = [
+ "rustc_version 0.2.3",
+]
+
 [[package]]
 name = "base64"
 version = "0.9.3"
@@ -367,6 +388,22 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
+[[package]]
+name = "bike"
+version = "0.1.0"
+dependencies = [
+ "az",
+ "cortex-m",
+ "cortex-m-rt",
+ "embedded-alloc",
+ "embedded-hal",
+ "fixed",
+ "fugit",
+ "lights-core",
+ "panic-halt",
+ "rp-pico",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@@ -388,6 +425,12 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
 
+[[package]]
+name = "bitfield"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -692,6 +735,38 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
+[[package]]
+name = "cortex-m"
+version = "0.7.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ec610d8f49840a5b376c69663b6369e71f4b34484b9b2eb29fb918d92516cb9"
+dependencies = [
+ "bare-metal",
+ "bitfield",
+ "embedded-hal",
+ "volatile-register",
+]
+
+[[package]]
+name = "cortex-m-rt"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee84e813d593101b1723e13ec38b6ab6abbdbaaa4546553f5395ed274079ddb1"
+dependencies = [
+ "cortex-m-rt-macros",
+]
+
+[[package]]
+name = "cortex-m-rt-macros"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f6f3e36f203cfedbc78b357fb28730aa2c6dc1ab060ee5c2405e843988d3c7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.11"
@@ -710,6 +785,15 @@ dependencies = [
  "crc-catalog",
 ]
 
+[[package]]
+name = "crc-any"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a62ec9ff5f7965e4d7280bd5482acd20aadb50d632cf6c1d74493856b011fa73"
+dependencies = [
+ "debug-helper",
+]
+
 [[package]]
 name = "crc-catalog"
 version = "2.4.0"
@@ -725,6 +809,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "critical-section"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7059fff8937831a9ae6f0fe4d658ffabf58f2ca96aa9dec1c889f936f705f216"
+
 [[package]]
 name = "crossbeam-deque"
 version = "0.8.4"
@@ -826,6 +916,12 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e962a19be5cfc3f3bf6dd8f61eb50107f356ad6270fbb3ed41476571db78be5"
 
+[[package]]
+name = "debug-helper"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f578e8e2c440e7297e008bb5486a3a8a194775224bbc23729b0dbdfaeebf162e"
+
 [[package]]
 name = "deflate"
 version = "0.8.6"
@@ -918,6 +1014,35 @@ dependencies = [
  "serde 1.0.193",
 ]
 
+[[package]]
+name = "embedded-alloc"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddae17915accbac2cfbc64ea0ae6e3b330e6ea124ba108dada63646fd3c6f815"
+dependencies = [
+ "critical-section",
+ "linked_list_allocator",
+]
+
+[[package]]
+name = "embedded-dma"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "994f7e5b5cb23521c22304927195f236813053eb9c065dd2226a32ba64695446"
+dependencies = [
+ "stable_deref_trait",
+]
+
+[[package]]
+name = "embedded-hal"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35949884794ad573cf46071e41c9b60efb0cb311e3ca01f7af807af1debc66ff"
+dependencies = [
+ "nb 0.1.3",
+ "void",
+]
+
 [[package]]
 name = "emseries"
 version = "0.6.0"
@@ -1056,7 +1181,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38e2275cc4e4fc009b0669731a1e5ab7ebf11f469eaede2bab9309a5b4d6057f"
 dependencies = [
  "memoffset",
- "rustc_version",
+ "rustc_version 0.4.0",
 ]
 
 [[package]]
@@ -1117,6 +1242,18 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "fixed"
+version = "1.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02c69ce7e7c0f17aa18fdd9d0de39727adb9c6281f2ad12f57cbe54ae6e76e7d"
+dependencies = [
+ "az",
+ "bytemuck",
+ "half",
+ "typenum",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.28"
@@ -1222,6 +1359,45 @@ dependencies = [
  "percent-encoding 2.3.1",
 ]
 
+[[package]]
+name = "frunk"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11a351b59e12f97b4176ee78497dff72e4276fb1ceb13e19056aca7fa0206287"
+dependencies = [
+ "frunk_core",
+ "frunk_derives",
+]
+
+[[package]]
+name = "frunk_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af2469fab0bd07e64ccf0ad57a1438f63160c69b2e57f04a439653d68eb558d6"
+
+[[package]]
+name = "frunk_derives"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fa992f1656e1707946bbba340ad244f0814009ef8c0118eb7b658395f19a2e"
+dependencies = [
+ "frunk_proc_macro_helpers",
+ "quote",
+ "syn 2.0.48",
+]
+
+[[package]]
+name = "frunk_proc_macro_helpers"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35b54add839292b743aeda6ebedbd8b11e93404f902c56223e51b9ec18a13d2c"
+dependencies = [
+ "frunk_core",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "ft-core"
 version = "0.1.0"
@@ -1241,6 +1417,15 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
+[[package]]
+name = "fugit"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17186ad64927d5ac8f02c1e77ccefa08ccd9eaa314d5a4772278aa204a22f7e7"
+dependencies = [
+ "gcd",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.29"
@@ -1369,6 +1554,12 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "gcd"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d758ba1b47b00caf47f24925c0074ecb20d6dfcffe7f6d53395c0465674841a"
+
 [[package]]
 name = "gdk-pixbuf"
 version = "0.18.3"
@@ -2176,6 +2367,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itertools"
 version = "0.12.0"
@@ -2303,6 +2503,20 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "lights-core"
+version = "0.1.0"
+dependencies = [
+ "az",
+ "fixed",
+]
+
+[[package]]
+name = "linked_list_allocator"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9afa463f5405ee81cdb9cc2baf37e08ec7e4c8209442b5d72c04cfb2cd6e6286"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.8"
@@ -2531,6 +2745,21 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "nb"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "801d31da0513b6ec5214e9bf433a77966320625a37860f910be265be6e18d06f"
+dependencies = [
+ "nb 1.1.0",
+]
+
+[[package]]
+name = "nb"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d5439c4ad607c3c23abf66de8c8bf57ba8adcd1f129e699851a6e43935d339d"
+
 [[package]]
 name = "nix"
 version = "0.27.1"
@@ -2646,6 +2875,26 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_enum"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f646caf906c20226733ed5b1374287eb97e3c2a5c227ce668c1f2ce20ae57c9"
+dependencies = [
+ "num_enum_derive",
+]
+
+[[package]]
+name = "num_enum_derive"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcbff9bc912032c62bf65ef1d5aea88983b420f4f839db1e9b0c281a25c9c799"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "object"
 version = "0.32.1"
@@ -2768,6 +3017,12 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "panic-halt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de96540e0ebde571dc55c73d60ef407c653844e6f9a1e2fdbd40c07b9252d812"
+
 [[package]]
 name = "parking"
 version = "2.2.0"
@@ -2942,6 +3197,17 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pio"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76e09694b50f89f302ed531c1f2a7569f0be5867aee4ab4f8f729bbeec0078e3"
+dependencies = [
+ "arrayvec",
+ "num_enum",
+ "paste",
+]
+
 [[package]]
 name = "piper"
 version = "0.2.1"
@@ -3452,6 +3718,76 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "rp-pico"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6341771e6f8e5d130b2b3cbc23435b7847761adf198af09f4b2a60407d43bd56"
+dependencies = [
+ "cortex-m-rt",
+ "fugit",
+ "rp2040-boot2",
+ "rp2040-hal",
+ "usb-device",
+]
+
+[[package]]
+name = "rp2040-boot2"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c92f344f63f950ee36cf4080050e4dce850839b9175da38f9d2ffb69b4dbb21"
+dependencies = [
+ "crc-any",
+]
+
+[[package]]
+name = "rp2040-hal"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ff2b9ae7e6dd6720fd9f64250c9087260e50fe98b6b032ccca65be3581167ca"
+dependencies = [
+ "cortex-m",
+ "critical-section",
+ "embedded-dma",
+ "embedded-hal",
+ "frunk",
+ "fugit",
+ "itertools 0.10.5",
+ "nb 1.1.0",
+ "paste",
+ "pio",
+ "rand_core 0.6.4",
+ "rp2040-hal-macros",
+ "rp2040-pac",
+ "usb-device",
+ "vcell",
+ "void",
+]
+
+[[package]]
+name = "rp2040-hal-macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86479063e497efe1ae81995ef9071f54fd1c7427e04d6c5b84cde545ff672a5e"
+dependencies = [
+ "cortex-m-rt",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "rp2040-pac"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12d9d8375815f543f54835d01160d4e47f9e2cae75f17ff8f1ec19ce1da96e4c"
+dependencies = [
+ "cortex-m",
+ "cortex-m-rt",
+ "critical-section",
+ "vcell",
+]
+
 [[package]]
 name = "rsa"
 version = "0.9.6"
@@ -3484,13 +3820,22 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver 0.9.0",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
 dependencies = [
- "semver",
+ "semver 1.0.20",
 ]
 
 [[package]]
@@ -3626,12 +3971,27 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e388332cd64eb80cd595a00941baf513caffae8dce9cfd0467fc9c66397dade6"
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
 
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "0.9.15"
@@ -3751,6 +4111,20 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
+[[package]]
+name = "simulator"
+version = "0.1.0"
+dependencies = [
+ "cairo-rs",
+ "fixed",
+ "gio",
+ "glib",
+ "gtk4",
+ "libadwaita",
+ "lights-core",
+ "pango",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.2.3"
@@ -3835,7 +4209,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ce81b7bd7c4493975347ef60d8c7e8b742d4694f4c49f93e0a12ea263938176c"
 dependencies = [
- "itertools",
+ "itertools 0.12.0",
  "nom",
  "unicode_categories",
 ]
@@ -4036,6 +4410,12 @@ dependencies = [
  "urlencoding",
 ]
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
 [[package]]
 name = "stringprep"
 version = "0.1.4"
@@ -4626,6 +5006,12 @@ version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "daf8dba3b7eb870caf1ddeed7bc9d2a049f3cfdfae7cb521b087cc33ae4c49da"
 
+[[package]]
+name = "usb-device"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f6cc3adc849b5292b4075fc0d5fdcf2f24866e88e336dd27a8943090a520508"
+
 [[package]]
 name = "utf-8"
 version = "0.7.6"
@@ -4673,6 +5059,12 @@ version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "126e423afe2dd9ac52142e7e9d5ce4135d7e13776c529d27fd6bc49f19e3280b"
 
+[[package]]
+name = "vcell"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -4709,6 +5101,21 @@ dependencies = [
  "warp",
 ]
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
+[[package]]
+name = "volatile-register"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de437e2a6208b014ab52972a27e59b33fa2920d3e00fe05026167a1c509d19cc"
+dependencies = [
+ "vcell",
+]
+
 [[package]]
 name = "wait-timeout"
 version = "0.2.0"

Cargo.toml

@@ -2,6 +2,9 @@
 resolver = "2"
 members = [
     "authdb",
+    "bike-lights/bike",
+    "bike-lights/core",
+    "bike-lights/simulator",
     "changeset",
     "config",
     "config-derive",

bike-lights/bike/.cargo/config

@@ -0,0 +1,12 @@
+[build]
+target = "thumbv6m-none-eabi"
+
+[target.thumbv6m-none-eabi]
+rustflags = [
+    "-C", "link-arg=--nmagic",
+    "-C", "link-arg=-Tlink.x",
+    "-C", "inline-threshold=5",
+    "-C", "no-vectorize-loops",
+]
+
+runner = "elf2uf2-rs -d"

bike-lights/bike/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "bike"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+az              = { version = "1" }
+cortex-m-rt     = { version = "0.7.3" }
+cortex-m        = { version = "0.7.7" }
+embedded-alloc  = { version = "0.5.1" }
+embedded-hal    = { version = "0.2.7" }
+fixed           = { version = "1" }
+fugit           = { version = "0.3.7" }
+lights-core     = { path = "../core" }
+panic-halt      = { version = "0.2.0" }
+rp-pico         = { version = "0.8.0" }

bike-lights/bike/src/main.rs

@@ -0,0 +1,222 @@
+#![no_main]
+#![no_std]
+
+extern crate alloc;
+
+use alloc::boxed::Box;
+use az::*;
+use core::cell::RefCell;
+use cortex_m::delay::Delay;
+use embedded_alloc::Heap;
+use embedded_hal::{blocking::spi::Write, digital::v2::InputPin, digital::v2::OutputPin};
+use fixed::types::I16F16;
+use fugit::RateExtU32;
+use lights_core::{App, BodyPattern, DashboardPattern, Event, Instant, FPS, UI};
+use panic_halt as _;
+use rp_pico::{
+    entry,
+    hal::{
+        clocks::init_clocks_and_plls,
+        gpio::{FunctionSio, Pin, PinId, PullUp, SioInput},
+        pac::{CorePeripherals, Peripherals},
+        spi::{Enabled, Spi, SpiDevice, ValidSpiPinout},
+        watchdog::Watchdog,
+        Clock, Sio,
+    },
+    Pins,
+};
+
+#[global_allocator]
+static HEAP: Heap = Heap::empty();
+
+const LIGHT_SCALE: I16F16 = I16F16::lit("256.0");
+const DASHBOARD_BRIGHTESS: u8 = 1;
+const BODY_BRIGHTNESS: u8 = 8;
+
+struct DebouncedButton<P: PinId> {
+    debounce: Instant,
+    pin: Pin<P, FunctionSio<SioInput>, PullUp>,
+}
+
+impl<P: PinId> DebouncedButton<P> {
+    fn new(pin: Pin<P, FunctionSio<SioInput>, PullUp>) -> Self {
+        Self {
+            debounce: Instant((0 as u32).into()),
+            pin,
+        }
+    }
+
+    fn is_low(&self, time: Instant) -> bool {
+        if time <= self.debounce {
+            return false;
+        }
+        self.pin.is_low().unwrap_or(false)
+    }
+
+    fn set_debounce(&mut self, time: Instant) {
+        self.debounce = time + Instant((250 as u32).into());
+    }
+}
+
+struct BikeUI<
+    D: SpiDevice,
+    P: ValidSpiPinout<D>,
+    LeftId: PinId,
+    RightId: PinId,
+    PreviousId: PinId,
+    NextId: PinId,
+> {
+    spi: RefCell<Spi<Enabled, D, P, 8>>,
+    left_blinker_button: DebouncedButton<LeftId>,
+    right_blinker_button: DebouncedButton<RightId>,
+    previous_animation_button: DebouncedButton<PreviousId>,
+    next_animation_button: DebouncedButton<NextId>,
+}
+
+impl<
+        D: SpiDevice,
+        P: ValidSpiPinout<D>,
+        LeftId: PinId,
+        RightId: PinId,
+        PreviousId: PinId,
+        NextId: PinId,
+    > BikeUI<D, P, LeftId, RightId, PreviousId, NextId>
+{
+    fn new(
+        spi: Spi<Enabled, D, P, 8>,
+        left_blinker_button: Pin<LeftId, FunctionSio<SioInput>, PullUp>,
+        right_blinker_button: Pin<RightId, FunctionSio<SioInput>, PullUp>,
+        previous_animation_button: Pin<PreviousId, FunctionSio<SioInput>, PullUp>,
+        next_animation_button: Pin<NextId, FunctionSio<SioInput>, PullUp>,
+    ) -> Self {
+        Self {
+            spi: RefCell::new(spi),
+            left_blinker_button: DebouncedButton::new(left_blinker_button),
+            right_blinker_button: DebouncedButton::new(right_blinker_button),
+            previous_animation_button: DebouncedButton::new(previous_animation_button),
+            next_animation_button: DebouncedButton::new(next_animation_button),
+        }
+    }
+}
+
+impl<
+        D: SpiDevice,
+        P: ValidSpiPinout<D>,
+        LeftId: PinId,
+        RightId: PinId,
+        PreviousId: PinId,
+        NextId: PinId,
+    > UI for BikeUI<D, P, LeftId, RightId, PreviousId, NextId>
+{
+    fn check_event(&mut self, current_time: Instant) -> Option<Event> {
+        if self.left_blinker_button.is_low(current_time) {
+            self.left_blinker_button.set_debounce(current_time);
+            Some(Event::LeftBlinker)
+        } else if self.right_blinker_button.is_low(current_time) {
+            self.right_blinker_button.set_debounce(current_time);
+            Some(Event::RightBlinker)
+        } else if self.previous_animation_button.is_low(current_time) {
+            self.previous_animation_button.set_debounce(current_time);
+            Some(Event::PreviousPattern)
+        } else if self.next_animation_button.is_low(current_time) {
+            self.next_animation_button.set_debounce(current_time);
+            Some(Event::NextPattern)
+        } else {
+            None
+        }
+    }
+
+    fn update_lights(&self, dashboard_lights: DashboardPattern, body_lights: BodyPattern) {
+        let mut lights: [u8; 260] = [0; 260];
+        lights[256] = 0xff;
+        lights[257] = 0xff;
+        lights[258] = 0xff;
+        lights[259] = 0xff;
+        for (idx, rgb) in dashboard_lights.iter().enumerate() {
+            lights[(idx + 1) * 4 + 0] = 0xe0 + DASHBOARD_BRIGHTESS;
+            lights[(idx + 1) * 4 + 1] = (I16F16::from(rgb.r) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 1) * 4 + 2] = (I16F16::from(rgb.b) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 1) * 4 + 3] = (I16F16::from(rgb.g) * LIGHT_SCALE).saturating_as();
+        }
+        for (idx, rgb) in body_lights.iter().enumerate() {
+            lights[(idx + 4) * 4 + 0] = 0xe0 + BODY_BRIGHTNESS;
+            lights[(idx + 4) * 4 + 1] = (I16F16::from(rgb.b) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 4) * 4 + 2] = (I16F16::from(rgb.g) * LIGHT_SCALE).saturating_as();
+            lights[(idx + 4) * 4 + 3] = (I16F16::from(rgb.r) * LIGHT_SCALE).saturating_as();
+        }
+        let mut spi = self.spi.borrow_mut();
+        spi.write(lights.as_slice());
+    }
+}
+
+#[entry]
+fn main() -> ! {
+    {
+        use core::mem::MaybeUninit;
+        const HEAP_SIZE: usize = 8096;
+        static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
+        unsafe { HEAP.init(HEAP_MEM.as_ptr() as usize, HEAP_SIZE) }
+    }
+
+    let mut pac = Peripherals::take().unwrap();
+    let core = CorePeripherals::take().unwrap();
+    let sio = Sio::new(pac.SIO);
+    let mut watchdog = Watchdog::new(pac.WATCHDOG);
+
+    let pins = Pins::new(
+        pac.IO_BANK0,
+        pac.PADS_BANK0,
+        sio.gpio_bank0,
+        &mut pac.RESETS,
+    );
+
+    let clocks = init_clocks_and_plls(
+        12_000_000u32,
+        pac.XOSC,
+        pac.CLOCKS,
+        pac.PLL_SYS,
+        pac.PLL_USB,
+        &mut pac.RESETS,
+        &mut watchdog,
+    )
+    .ok()
+    .unwrap();
+
+    let mut delay = Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());
+    let mut spi_clk = pins.gpio10.into_function();
+    let mut spi_sdo = pins.gpio11.into_function();
+    let spi = Spi::<_, _, _, 8>::new(pac.SPI1, (spi_sdo, spi_clk));
+    let mut spi = spi.init(
+        &mut pac.RESETS,
+        clocks.peripheral_clock.freq(),
+        1_u32.MHz(),
+        embedded_hal::spi::MODE_1,
+    );
+
+    let left_blinker_button = pins.gpio17.into_pull_up_input();
+    let right_blinker_button = pins.gpio16.into_pull_up_input();
+    let previous_animation_button = pins.gpio27.into_pull_up_input();
+    let next_animation_button = pins.gpio26.into_pull_up_input();
+
+    let ui = BikeUI::new(
+        spi,
+        left_blinker_button,
+        right_blinker_button,
+        previous_animation_button,
+        next_animation_button,
+    );
+
+    let mut app = App::new(Box::new(ui));
+
+    let mut led_pin = pins.led.into_push_pull_output();
+    led_pin.set_high();
+
+    let mut time = Instant::default();
+    let delay_ms = 1000 / (FPS as u32);
+    loop {
+        app.tick(time);
+
+        delay.delay_ms(delay_ms);
+        time = time + Instant(delay_ms.into());
+    }
+}

bike-lights/core/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "lights-core"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+az      = { version = "1" }
+fixed   = { version = "1" }

bike-lights/core/src/lib.rs

@@ -0,0 +1,481 @@
+#![no_std]
+
+extern crate alloc;
+use alloc::boxed::Box;
+use az::*;
+use core::{
+    clone::Clone,
+    cmp::PartialEq,
+    default::Default,
+    ops::{Add, Sub},
+    option::Option,
+};
+use fixed::types::{I48F16, I8F8, U128F0, U16F0};
+
+mod patterns;
+pub use patterns::*;
+
+mod types;
+pub use types::{BodyPattern, DashboardPattern, RGB};
+
+fn calculate_frames(starting_time: U128F0, now: U128F0) -> U16F0 {
+    let frames_128 = (now - starting_time) / U128F0::from(FPS);
+    (frames_128 % U128F0::from(U16F0::MAX)).cast()
+}
+
+fn calculate_slope(start: I8F8, end: I8F8, frames: U16F0) -> I8F8 {
+    let slope_i16f16 = (I48F16::from(end) - I48F16::from(start)) / I48F16::from(frames);
+    slope_i16f16.saturating_as()
+}
+
+fn linear_ease(value: I8F8, frames: U16F0, slope: I8F8) -> I8F8 {
+    let value_i16f16 = I48F16::from(value) + I48F16::from(frames) * I48F16::from(slope);
+    value_i16f16.saturating_as()
+}
+
+#[derive(Clone, Copy, PartialOrd, Ord, PartialEq, Eq)]
+pub struct Instant(pub U128F0);
+
+impl Default for Instant {
+    fn default() -> Self {
+        Self(U128F0::from(0 as u8))
+    }
+}
+
+impl Add for Instant {
+    type Output = Self;
+
+    fn add(self, r: Self) -> Self::Output {
+        Self(self.0 + r.0)
+    }
+}
+
+impl Sub for Instant {
+    type Output = Self;
+
+    fn sub(self, r: Self) -> Self::Output {
+        Self(self.0 - r.0)
+    }
+}
+
+pub const FPS: u8 = 30;
+
+pub trait UI {
+    fn check_event(&mut self, current_time: Instant) -> Option<Event>;
+    fn update_lights(&self, dashboard_lights: DashboardPattern, body_lights: BodyPattern);
+}
+
+pub trait Animation {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern);
+}
+
+/*
+pub struct DefaultAnimation {}
+
+impl Animation for DefaultAnimation {
+    fn tick(&mut self, _: Instant) -> (DashboardPattern, BodyPattern) {
+        (WATER_DASHBOARD, WATER_BODY)
+    }
+}
+*/
+
+pub struct Fade {
+    starting_dashboard: DashboardPattern,
+    starting_lights: BodyPattern,
+
+    start_time: Instant,
+    dashboard_slope: [RGB<I8F8>; 3],
+    body_slope: [RGB<I8F8>; 60],
+    frames: U16F0,
+}
+
+impl Fade {
+    fn new(
+        dashboard: DashboardPattern,
+        lights: BodyPattern,
+        ending_dashboard: DashboardPattern,
+        ending_lights: BodyPattern,
+        frames: U16F0,
+        time: Instant,
+    ) -> Self {
+        let mut dashboard_slope = [Default::default(); 3];
+        let mut body_slope = [Default::default(); 60];
+        for i in 0..3 {
+            let slope = RGB {
+                r: calculate_slope(dashboard[i].r, ending_dashboard[i].r, frames),
+                g: calculate_slope(dashboard[i].g, ending_dashboard[i].g, frames),
+                b: calculate_slope(dashboard[i].b, ending_dashboard[i].b, frames),
+            };
+            dashboard_slope[i] = slope;
+        }
+
+        for i in 0..60 {
+            let slope = RGB {
+                r: calculate_slope(lights[i].r, ending_lights[i].r, frames),
+                g: calculate_slope(lights[i].g, ending_lights[i].g, frames),
+                b: calculate_slope(lights[i].b, ending_lights[i].b, frames),
+            };
+            body_slope[i] = slope;
+        }
+
+        Self {
+            starting_dashboard: dashboard,
+            starting_lights: lights,
+            start_time: time,
+            dashboard_slope,
+            body_slope,
+            frames,
+        }
+    }
+}
+
+impl Animation for Fade {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
+        let mut frames = calculate_frames(self.start_time.0, time.0);
+        if frames > self.frames {
+            frames = self.frames
+        }
+        let mut dashboard_pattern: DashboardPattern = OFF_DASHBOARD;
+        let mut body_pattern: BodyPattern = OFF_BODY;
+
+        for i in 0..3 {
+            dashboard_pattern[i].r = linear_ease(
+                self.starting_dashboard[i].r,
+                frames,
+                self.dashboard_slope[i].r,
+            );
+            dashboard_pattern[i].g = linear_ease(
+                self.starting_dashboard[i].g,
+                frames,
+                self.dashboard_slope[i].g,
+            );
+            dashboard_pattern[i].b = linear_ease(
+                self.starting_dashboard[i].b,
+                frames,
+                self.dashboard_slope[i].b,
+            );
+        }
+
+        for i in 0..60 {
+            body_pattern[i].r =
+                linear_ease(self.starting_lights[i].r, frames, self.body_slope[i].r);
+            body_pattern[i].g =
+                linear_ease(self.starting_lights[i].g, frames, self.body_slope[i].g);
+            body_pattern[i].b =
+                linear_ease(self.starting_lights[i].b, frames, self.body_slope[i].b);
+        }
+
+        (dashboard_pattern, body_pattern)
+    }
+}
+
+#[derive(Debug)]
+pub enum FadeDirection {
+    Transition,
+    FadeIn,
+    FadeOut,
+}
+
+pub enum BlinkerDirection {
+    Left,
+    Right,
+}
+
+pub struct Blinker {
+    transition: Fade,
+    fade_in: Fade,
+    fade_out: Fade,
+    direction: FadeDirection,
+
+    start_time: Instant,
+    frames: U16F0,
+}
+
+impl Blinker {
+    fn new(
+        starting_dashboard: DashboardPattern,
+        starting_body: BodyPattern,
+        direction: BlinkerDirection,
+        time: Instant,
+    ) -> Self {
+        let mut ending_dashboard = OFF_DASHBOARD.clone();
+
+        match direction {
+            BlinkerDirection::Left => {
+                ending_dashboard[0].r = LEFT_BLINKER_DASHBOARD[0].r;
+                ending_dashboard[0].g = LEFT_BLINKER_DASHBOARD[0].g;
+                ending_dashboard[0].b = LEFT_BLINKER_DASHBOARD[0].b;
+            }
+            BlinkerDirection::Right => {
+                ending_dashboard[2].r = RIGHT_BLINKER_DASHBOARD[2].r;
+                ending_dashboard[2].g = RIGHT_BLINKER_DASHBOARD[2].g;
+                ending_dashboard[2].b = RIGHT_BLINKER_DASHBOARD[2].b;
+            }
+        }
+
+        let mut ending_body = OFF_BODY.clone();
+        match direction {
+            BlinkerDirection::Left => {
+                for i in 0..30 {
+                    ending_body[i].r = LEFT_BLINKER_BODY[i].r;
+                    ending_body[i].g = LEFT_BLINKER_BODY[i].g;
+                    ending_body[i].b = LEFT_BLINKER_BODY[i].b;
+                }
+            }
+            BlinkerDirection::Right => {
+                for i in 30..60 {
+                    ending_body[i].r = RIGHT_BLINKER_BODY[i].r;
+                    ending_body[i].g = RIGHT_BLINKER_BODY[i].g;
+                    ending_body[i].b = RIGHT_BLINKER_BODY[i].b;
+                }
+            }
+        }
+
+        Blinker {
+            transition: Fade::new(
+                starting_dashboard.clone(),
+                starting_body.clone(),
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            fade_in: Fade::new(
+                OFF_DASHBOARD.clone(),
+                OFF_BODY.clone(),
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            fade_out: Fade::new(
+                ending_dashboard.clone(),
+                ending_body.clone(),
+                OFF_DASHBOARD.clone(),
+                OFF_BODY.clone(),
+                BLINKER_FRAMES,
+                time,
+            ),
+            direction: FadeDirection::Transition,
+            start_time: time,
+            frames: BLINKER_FRAMES,
+        }
+    }
+}
+
+impl Animation for Blinker {
+    fn tick(&mut self, time: Instant) -> (DashboardPattern, BodyPattern) {
+        let frames = calculate_frames(self.start_time.0, time.0);
+        if frames > self.frames {
+            match self.direction {
+                FadeDirection::Transition => {
+                    self.direction = FadeDirection::FadeOut;
+                    self.fade_out.start_time = time;
+                }
+                FadeDirection::FadeIn => {
+                    self.direction = FadeDirection::FadeOut;
+                    self.fade_out.start_time = time;
+                }
+                FadeDirection::FadeOut => {
+                    self.direction = FadeDirection::FadeIn;
+                    self.fade_in.start_time = time;
+                }
+            }
+            self.start_time = time;
+        }
+
+        match self.direction {
+            FadeDirection::Transition => self.transition.tick(time),
+            FadeDirection::FadeIn => self.fade_in.tick(time),
+            FadeDirection::FadeOut => self.fade_out.tick(time),
+        }
+    }
+}
+
+#[derive(Clone, Debug)]
+pub enum Event {
+    Brake,
+    BrakeRelease,
+    LeftBlinker,
+    NextPattern,
+    PreviousPattern,
+    RightBlinker,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum Pattern {
+    Water,
+    GayPride,
+    TransPride,
+}
+
+impl Pattern {
+    fn previous(&self) -> Pattern {
+        match self {
+            Pattern::Water => Pattern::TransPride,
+            Pattern::GayPride => Pattern::Water,
+            Pattern::TransPride => Pattern::GayPride,
+        }
+    }
+
+    fn next(&self) -> Pattern {
+        match self {
+            Pattern::Water => Pattern::GayPride,
+            Pattern::GayPride => Pattern::TransPride,
+            Pattern::TransPride => Pattern::Water,
+        }
+    }
+
+    fn dashboard(&self) -> DashboardPattern {
+        match self {
+            Pattern::Water => WATER_DASHBOARD,
+            Pattern::GayPride => PRIDE_DASHBOARD,
+            Pattern::TransPride => TRANS_PRIDE_DASHBOARD,
+        }
+    }
+
+    fn body(&self) -> BodyPattern {
+        match self {
+            Pattern::Water => OFF_BODY,
+            Pattern::GayPride => PRIDE_BODY,
+            Pattern::TransPride => TRANS_PRIDE_BODY,
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq)]
+pub enum State {
+    Pattern(Pattern),
+    Brake,
+    LeftBlinker,
+    RightBlinker,
+    BrakeLeftBlinker,
+    BrakeRightBlinker,
+}
+
+pub struct App {
+    ui: Box<dyn UI>,
+    state: State,
+    home_pattern: Pattern,
+    current_animation: Box<dyn Animation>,
+    dashboard_lights: DashboardPattern,
+    lights: BodyPattern,
+}
+
+impl App {
+    pub fn new(ui: Box<dyn UI>) -> Self {
+        let pattern = Pattern::Water;
+        Self {
+            ui,
+            state: State::Pattern(pattern),
+            home_pattern: pattern,
+            current_animation: Box::new(Fade::new(
+                OFF_DASHBOARD,
+                OFF_BODY,
+                pattern.dashboard(),
+                pattern.body(),
+                DEFAULT_FRAMES,
+                Instant((0 as u32).into()),
+            )),
+            dashboard_lights: OFF_DASHBOARD,
+            lights: OFF_BODY,
+        }
+    }
+
+    fn update_animation(&mut self, time: Instant) {
+        match self.state {
+            State::Pattern(ref pattern) => {
+                self.current_animation = Box::new(Fade::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    pattern.dashboard(),
+                    pattern.body(),
+                    DEFAULT_FRAMES,
+                    time,
+                ))
+            }
+            State::Brake => {
+                self.current_animation = Box::new(Fade::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    BRAKES_DASHBOARD,
+                    BRAKES_BODY,
+                    BRAKES_FRAMES,
+                    time,
+                ));
+            }
+            State::LeftBlinker => {
+                self.current_animation = Box::new(Blinker::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    BlinkerDirection::Left,
+                    time,
+                ));
+            }
+            State::RightBlinker => {
+                self.current_animation = Box::new(Blinker::new(
+                    self.dashboard_lights.clone(),
+                    self.lights.clone(),
+                    BlinkerDirection::Right,
+                    time,
+                ));
+            }
+            State::BrakeLeftBlinker => (),
+            State::BrakeRightBlinker => (),
+        }
+    }
+
+    fn update_state(&mut self, event: Event) {
+        match event {
+            Event::Brake => {
+                if self.state == State::Brake {
+                    self.state = State::Pattern(self.home_pattern);
+                } else {
+                    self.state = State::Brake;
+                }
+            }
+            Event::BrakeRelease => self.state = State::Pattern(self.home_pattern),
+            Event::LeftBlinker => match self.state {
+                State::Brake => self.state = State::BrakeLeftBlinker,
+                State::BrakeLeftBlinker => self.state = State::Brake,
+                State::LeftBlinker => self.state = State::Pattern(self.home_pattern),
+                _ => self.state = State::LeftBlinker,
+            },
+            Event::NextPattern => match self.state {
+                State::Pattern(ref pattern) => {
+                    self.home_pattern = pattern.next();
+                    self.state = State::Pattern(self.home_pattern);
+                }
+                _ => (),
+            },
+            Event::PreviousPattern => match self.state {
+                State::Pattern(ref pattern) => {
+                    self.home_pattern = pattern.previous();
+                    self.state = State::Pattern(self.home_pattern);
+                }
+                _ => (),
+            },
+            Event::RightBlinker => match self.state {
+                State::Brake => self.state = State::BrakeRightBlinker,
+                State::BrakeRightBlinker => self.state = State::Brake,
+                State::RightBlinker => self.state = State::Pattern(self.home_pattern),
+                _ => self.state = State::RightBlinker,
+            },
+        }
+    }
+
+    pub fn tick(&mut self, time: Instant) {
+        match self.ui.check_event(time) {
+            Some(event) => {
+                self.update_state(event);
+                self.update_animation(time);
+            }
+            None => {}
+        };
+
+        let (dashboard, lights) = self.current_animation.tick(time);
+        self.dashboard_lights = dashboard.clone();
+        self.lights = lights.clone();
+        self.ui.update_lights(dashboard, lights);
+    }
+}

bike-lights/core/src/patterns.rs

@@ -0,0 +1,333 @@
+use crate::{BodyPattern, DashboardPattern, RGB};
+use fixed::types::{I8F8, U16F0};
+
+pub const RGB_OFF: RGB<I8F8> = RGB {
+    r: I8F8::lit("0"),
+    g: I8F8::lit("0"),
+    b: I8F8::lit("0"),
+};
+
+pub const RGB_WHITE: RGB<I8F8> = RGB {
+    r: I8F8::lit("1"),
+    g: I8F8::lit("1"),
+    b: I8F8::lit("1"),
+};
+
+pub const BRAKES_RED: RGB<I8F8> = RGB {
+    r: I8F8::lit("1"),
+    g: I8F8::lit("0"),
+    b: I8F8::lit("0"),
+};
+
+pub const BLINKER_AMBER: RGB<I8F8> = RGB {
+    r: I8F8::lit("1"),
+    g: I8F8::lit("0.15"),
+    b: I8F8::lit("0"),
+};
+
+pub const PRIDE_RED: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.95"),
+    g: I8F8::lit("0.00"),
+    b: I8F8::lit("0.00"),
+};
+
+pub const PRIDE_ORANGE: RGB<I8F8> = RGB {
+    r: I8F8::lit("1.0"),
+    g: I8F8::lit("0.25"),
+    b: I8F8::lit("0"),
+};
+
+pub const PRIDE_YELLOW: RGB<I8F8> = RGB {
+    r: I8F8::lit("1.0"),
+    g: I8F8::lit("0.85"),
+    b: I8F8::lit("0"),
+};
+
+pub const PRIDE_GREEN: RGB<I8F8> = RGB {
+    r: I8F8::lit("0"),
+    g: I8F8::lit("0.95"),
+    b: I8F8::lit("0.05"),
+};
+
+pub const PRIDE_INDIGO: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.04"),
+    g: I8F8::lit("0.15"),
+    b: I8F8::lit("0.55"),
+};
+
+pub const PRIDE_VIOLET: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.75"),
+    g: I8F8::lit("0.0"),
+    b: I8F8::lit("0.80"),
+};
+
+pub const TRANS_BLUE: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.06"),
+    g: I8F8::lit("0.41"),
+    b: I8F8::lit("0.98"),
+};
+
+pub const TRANS_PINK: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.96"),
+    g: I8F8::lit("0.16"),
+    b: I8F8::lit("0.32"),
+};
+
+pub const WATER_1: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.0"),
+    g: I8F8::lit("0.0"),
+    b: I8F8::lit("0.75"),
+};
+
+pub const WATER_2: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.8"),
+    g: I8F8::lit("0.8"),
+    b: I8F8::lit("0.8"),
+};
+
+pub const WATER_3: RGB<I8F8> = RGB {
+    r: I8F8::lit("0.00"),
+    g: I8F8::lit("0.75"),
+    b: I8F8::lit("0.75"),
+};
+
+pub const OFF_DASHBOARD: DashboardPattern = [RGB_OFF; 3];
+pub const OFF_BODY: BodyPattern = [RGB_OFF; 60];
+
+pub const DEFAULT_FRAMES: U16F0 = U16F0::lit("30");
+
+pub const WATER_DASHBOARD: DashboardPattern = [WATER_1, WATER_2, WATER_3];
+
+pub const WATER_BODY: BodyPattern = [RGB_OFF; 60];
+
+pub const PRIDE_DASHBOARD: DashboardPattern = [PRIDE_RED, PRIDE_GREEN, PRIDE_INDIGO];
+
+pub const PRIDE_BODY: BodyPattern = [
+    // Left Side
+    // Red
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    // Orange
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    // Yellow
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    // Green
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    // Indigo
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    // Violet
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    // Right Side
+    // Violet
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    PRIDE_VIOLET,
+    // Indigo
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    PRIDE_INDIGO,
+    // Green
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    PRIDE_GREEN,
+    // Yellow
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    PRIDE_YELLOW,
+    // Orange
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    PRIDE_ORANGE,
+    // Red
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+    PRIDE_RED,
+];
+
+pub const TRANS_PRIDE_DASHBOARD: DashboardPattern = [TRANS_BLUE, RGB_WHITE, TRANS_PINK];
+
+pub const TRANS_PRIDE_BODY: BodyPattern = [
+    // Left Side
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_PINK, TRANS_PINK,
+    TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, RGB_WHITE, RGB_WHITE, RGB_WHITE, RGB_WHITE,
+    RGB_WHITE, RGB_WHITE, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK,
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE,
+    // Right side
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_PINK, TRANS_PINK,
+    TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, RGB_WHITE, RGB_WHITE, RGB_WHITE, RGB_WHITE,
+    RGB_WHITE, RGB_WHITE, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK, TRANS_PINK,
+    TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE, TRANS_BLUE,
+];
+
+pub const BRAKES_FRAMES: U16F0 = U16F0::lit("15");
+
+pub const BRAKES_DASHBOARD: DashboardPattern = [BRAKES_RED; 3];
+
+pub const BRAKES_BODY: BodyPattern = [BRAKES_RED; 60];
+
+pub const BLINKER_FRAMES: U16F0 = U16F0::lit("10");
+
+pub const LEFT_BLINKER_DASHBOARD: DashboardPattern = [BLINKER_AMBER, RGB_OFF, RGB_OFF];
+
+pub const LEFT_BLINKER_BODY: BodyPattern = [
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+];
+
+pub const RIGHT_BLINKER_DASHBOARD: DashboardPattern = [RGB_OFF, RGB_OFF, BLINKER_AMBER];
+
+pub const RIGHT_BLINKER_BODY: BodyPattern = [
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    RGB_OFF,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+    BLINKER_AMBER,
+];

bike-lights/core/src/types.rs

@@ -0,0 +1,17 @@
+use core::default::Default;
+use fixed::types::I8F8;
+
+#[derive(Clone, Copy, Default, Debug)]
+pub struct RGB<T> {
+    pub r: T,
+    pub g: T,
+    pub b: T,
+}
+
+const DASHBOARD_LIGHT_COUNT: usize = 3;
+
+pub type DashboardPattern = [RGB<I8F8>; DASHBOARD_LIGHT_COUNT];
+
+const BODY_LIGHT_COUNT: usize = 60;
+
+pub type BodyPattern = [RGB<I8F8>; BODY_LIGHT_COUNT];

bike-lights/simulator/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "simulator"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+adw         = { version = "0.5", package = "libadwaita", features = [ "v1_2" ] }
+cairo-rs    = { version = "0.18" }
+fixed       = { version = "1" }
+gio         = { version = "0.18" }
+glib        = { version = "0.18" }
+gtk         = { version = "0.7", package = "gtk4", features = [ "v4_8" ] }
+lights-core = { path = "../core" }
+pango       = { version = "*" }

bike-lights/simulator/src/main.rs

@@ -0,0 +1,288 @@
+use adw::prelude::*;
+use fixed::types::{I8F8, U128F0};
+use glib::{Object, Sender};
+use gtk::subclass::prelude::*;
+use lights_core::{
+    App, BodyPattern, DashboardPattern, Event, Instant, FPS, OFF_BODY, OFF_DASHBOARD, RGB, UI,
+};
+use std::{
+    cell::RefCell,
+    env,
+    rc::Rc,
+    sync::mpsc::{Receiver, TryRecvError},
+};
+
+const WIDTH: i32 = 640;
+const HEIGHT: i32 = 480;
+
+pub struct Update {
+    dashboard: DashboardPattern,
+    lights: BodyPattern,
+}
+
+pub struct DashboardLightsPrivate {
+    lights: Rc<RefCell<DashboardPattern>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DashboardLightsPrivate {
+    const NAME: &'static str = "DashboardLights";
+    type Type = DashboardLights;
+    type ParentType = gtk::DrawingArea;
+
+    fn new() -> Self {
+        Self {
+            lights: Rc::new(RefCell::new(OFF_DASHBOARD)),
+        }
+    }
+}
+
+impl ObjectImpl for DashboardLightsPrivate {}
+impl WidgetImpl for DashboardLightsPrivate {}
+impl DrawingAreaImpl for DashboardLightsPrivate {}
+
+glib::wrapper! {
+    pub struct DashboardLights(ObjectSubclass<DashboardLightsPrivate>) @extends gtk::DrawingArea, gtk::Widget;
+}
+
+impl DashboardLights {
+    pub fn new() -> Self {
+        let s: Self = Object::builder().build();
+
+        s.set_width_request(WIDTH);
+        s.set_height_request(100);
+
+        s.set_draw_func({
+            let s = s.clone();
+            move |_, context, width, _| {
+                let start = width as f64 / 2. - 150.;
+                let lights = s.imp().lights.borrow();
+                for i in 0..3 {
+                    context.set_source_rgb(
+                        lights[i].r.into(),
+                        lights[i].g.into(),
+                        lights[i].b.into(),
+                    );
+                    context.rectangle(start + 100. * i as f64, 10., 80., 80.);
+                    let _ = context.fill();
+                }
+            }
+        });
+
+        s
+    }
+
+    pub fn set_lights(&self, lights: DashboardPattern) {
+        *self.imp().lights.borrow_mut() = lights;
+        self.queue_draw();
+    }
+}
+
+pub struct BikeLightsPrivate {
+    lights: Rc<RefCell<BodyPattern>>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for BikeLightsPrivate {
+    const NAME: &'static str = "BikeLights";
+    type Type = BikeLights;
+    type ParentType = gtk::DrawingArea;
+
+    fn new() -> Self {
+        Self {
+            lights: Rc::new(RefCell::new(OFF_BODY)),
+        }
+    }
+}
+
+impl ObjectImpl for BikeLightsPrivate {}
+impl WidgetImpl for BikeLightsPrivate {}
+impl DrawingAreaImpl for BikeLightsPrivate {}
+
+glib::wrapper! {
+    pub struct BikeLights(ObjectSubclass<BikeLightsPrivate>) @extends gtk::DrawingArea, gtk::Widget;
+}
+
+impl BikeLights {
+    pub fn new() -> Self {
+        let s: Self = Object::builder().build();
+
+        s.set_width_request(WIDTH);
+        s.set_height_request(640);
+
+        let center = WIDTH as f64 / 2.;
+
+        s.set_draw_func({
+            let s = s.clone();
+            move |_, context, _, _| {
+                let lights = s.imp().lights.borrow();
+                for i in 0..30 {
+                    context.set_source_rgb(
+                        lights[i].r.into(),
+                        lights[i].g.into(),
+                        lights[i].b.into(),
+                    );
+                    context.rectangle(center - 45., 5. + 20. * i as f64, 15., 15.);
+                    let _ = context.fill();
+                }
+                for i in 0..30 {
+                    context.set_source_rgb(
+                        lights[i + 30].r.into(),
+                        lights[i + 30].g.into(),
+                        lights[i + 30].b.into(),
+                    );
+                    context.rectangle(center + 15., 5. + 20. * (30. - (i + 1) as f64), 15., 15.);
+                    let _ = context.fill();
+                }
+            }
+        });
+
+        s
+    }
+
+    pub fn set_lights(&self, lights: [RGB<I8F8>; 60]) {
+        *self.imp().lights.borrow_mut() = lights;
+        self.queue_draw();
+    }
+}
+
+struct GTKUI {
+    tx: Sender<Update>,
+    rx: Receiver<Event>,
+}
+
+impl UI for GTKUI {
+    fn check_event(&mut self, _: Instant) -> Option<Event> {
+        match self.rx.try_recv() {
+            Ok(event) => Some(event),
+            Err(TryRecvError::Empty) => None,
+            Err(TryRecvError::Disconnected) => None,
+        }
+    }
+
+    fn update_lights(&self, dashboard_lights: DashboardPattern, lights: BodyPattern) {
+        self.tx
+            .send(Update {
+                dashboard: dashboard_lights,
+                lights,
+            })
+            .unwrap();
+    }
+}
+
+fn main() {
+    let adw_app = adw::Application::builder()
+        .application_id("com.luminescent-dreams.bike-light-simulator")
+        .build();
+
+    adw_app.connect_activate(move |adw_app| {
+        let (update_tx, update_rx) =
+            gtk::glib::MainContext::channel::<Update>(gtk::glib::Priority::DEFAULT);
+        let (event_tx, event_rx) = std::sync::mpsc::channel();
+
+        std::thread::spawn(move || {
+            let mut bike_app = App::new(Box::new(GTKUI {
+                tx: update_tx,
+                rx: event_rx,
+            }));
+            loop {
+                bike_app.tick(Instant(U128F0::from(
+                    std::time::SystemTime::now()
+                        .duration_since(std::time::UNIX_EPOCH)
+                        .unwrap()
+                        .as_millis(),
+                )));
+                std::thread::sleep(std::time::Duration::from_millis(1000 / (FPS as u64)));
+            }
+        });
+
+        let window = adw::ApplicationWindow::builder()
+            .application(adw_app)
+            .default_width(WIDTH)
+            .default_height(HEIGHT)
+            .build();
+        let layout = gtk::Box::builder()
+            .orientation(gtk::Orientation::Vertical)
+            .build();
+        let controls = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        let dashboard_lights = DashboardLights::new();
+        let bike_lights = BikeLights::new();
+
+        let left_button = gtk::Button::builder().label("L").build();
+        let brake_button = gtk::Button::builder().label("Brakes").build();
+        let right_button = gtk::Button::builder().label("R").build();
+
+        left_button.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::LeftBlinker);
+            }
+        });
+
+        brake_button.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::Brake);
+            }
+        });
+
+        right_button.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::RightBlinker);
+            }
+        });
+
+        controls.append(&left_button);
+        controls.append(&brake_button);
+        controls.append(&right_button);
+        layout.append(&controls);
+
+        let pattern_controls = gtk::Box::builder()
+            .orientation(gtk::Orientation::Horizontal)
+            .build();
+
+        let previous_pattern = gtk::Button::builder().label("Previous").build();
+        let next_pattern = gtk::Button::builder().label("Next").build();
+
+        previous_pattern.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::PreviousPattern);
+            }
+        });
+
+        next_pattern.connect_clicked({
+            let event_tx = event_tx.clone();
+            move |_| {
+                let _ = event_tx.send(Event::NextPattern);
+            }
+        });
+
+        pattern_controls.append(&previous_pattern);
+        pattern_controls.append(&next_pattern);
+        layout.append(&pattern_controls);
+
+        layout.append(&dashboard_lights);
+        layout.append(&bike_lights);
+
+        update_rx.attach(None, {
+            let dashboard_lights = dashboard_lights.clone();
+            let bike_lights = bike_lights.clone();
+            move |Update { dashboard, lights }| {
+                dashboard_lights.set_lights(dashboard);
+                bike_lights.set_lights(lights);
+                glib::ControlFlow::Continue
+            }
+        });
+
+        window.set_content(Some(&layout));
+        window.present();
+    });
+
+    let args: Vec<String> = env::args().collect();
+    ApplicationExtManual::run_with_args(&adw_app, &args);
+}

rust-toolchain

@@ -1,3 +1,3 @@
 [toolchain]
 channel = "1.77.0"
-targets = [ "wasm32-unknown-unknown" ]
+targets = [ "wasm32-unknown-unknown", "thumbv6m-none-eabi" ]