add basic usb hid keyboard functionality with debounced input based on embassy-rs examples
This commit is contained in:
201
Cargo.lock
generated
201
Cargo.lock
generated
@@ -2,6 +2,18 @@
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# It is not intended for manual editing.
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version = 4
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|
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[[package]]
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name = "ahash"
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||||
version = "0.8.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
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||||
dependencies = [
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"cfg-if",
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"once_cell",
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"version_check",
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"zerocopy",
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]
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[[package]]
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name = "aho-corasick"
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version = "1.1.4"
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@@ -77,6 +89,12 @@ version = "0.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
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[[package]]
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name = "bitfield"
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version = "0.14.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2d7e60934ceec538daadb9d8432424ed043a904d8e0243f3c6446bce549a46ac"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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@@ -133,7 +151,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ec610d8f49840a5b376c69663b6369e71f4b34484b9b2eb29fb918d92516cb9"
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dependencies = [
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"bare-metal",
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"bitfield",
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"bitfield 0.13.2",
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"embedded-hal 0.2.7",
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"volatile-register",
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]
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@@ -155,7 +173,7 @@ checksum = "e37549a379a9e0e6e576fd208ee60394ccb8be963889eebba3ffe0980364f472"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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@@ -219,7 +237,7 @@ dependencies = [
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"proc-macro2",
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"quote",
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"strsim",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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@@ -230,7 +248,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
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dependencies = [
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"darling_core",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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@@ -268,7 +286,7 @@ dependencies = [
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"proc-macro-error2",
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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@@ -372,7 +390,7 @@ dependencies = [
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"darling",
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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@@ -402,6 +420,23 @@ dependencies = [
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"num-traits",
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]
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[[package]]
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name = "embassy-net-driver"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "524eb3c489760508f71360112bca70f6e53173e6fe48fc5f0efd0f5ab217751d"
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[[package]]
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name = "embassy-net-driver-channel"
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version = "0.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b7b2739fbcf6cd206ae08779c7d709087b16577d255f2ea4a45bc4bbbf305b3f"
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dependencies = [
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"embassy-futures",
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"embassy-net-driver",
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"embassy-sync 0.7.2",
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]
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[[package]]
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name = "embassy-rp"
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version = "0.4.0"
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@@ -505,6 +540,21 @@ dependencies = [
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"heapless",
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]
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[[package]]
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name = "embassy-usb"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6e651b9b7b47b514e6e6d1940a6e2e300891a2c33641917130643602a0cb6386"
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dependencies = [
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"embassy-futures",
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"embassy-net-driver-channel",
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"embassy-sync 0.6.2",
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"embassy-usb-driver",
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"heapless",
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"ssmarshal",
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"usbd-hid",
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]
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[[package]]
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name = "embassy-usb-driver"
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version = "0.1.1"
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@@ -589,6 +639,12 @@ dependencies = [
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"log",
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]
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[[package]]
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name = "encode_unicode"
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version = "0.3.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
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[[package]]
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name = "equivalent"
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version = "1.0.2"
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@@ -679,6 +735,15 @@ dependencies = [
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"byteorder",
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]
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[[package]]
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name = "hashbrown"
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version = "0.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
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dependencies = [
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"ahash",
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]
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[[package]]
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name = "hashbrown"
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version = "0.16.1"
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@@ -708,7 +773,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0ad4bb2b565bca0645f4d68c5c9af97fba094e9791da685bf83cb5f3ce74acf2"
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dependencies = [
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"equivalent",
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"hashbrown",
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"hashbrown 0.16.1",
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]
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[[package]]
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@@ -729,15 +794,18 @@ dependencies = [
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"defmt 0.3.100",
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"defmt-rtt",
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"embassy-executor",
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"embassy-futures",
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"embassy-rp",
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"embassy-sync 0.6.2",
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"embassy-time",
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"embassy-usb",
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"embedded-hal 1.0.0",
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"embedded-hal-async",
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"embedded-io",
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"embedded-io-async",
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"embedded-storage",
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"panic-probe",
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"usbd-hid",
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]
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[[package]]
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@@ -862,9 +930,15 @@ checksum = "ff32365de1b6743cb203b710788263c44a03de03802daf96092f2da4fe6ba4d7"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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name = "once_cell"
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version = "1.21.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
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[[package]]
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name = "panic-probe"
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version = "0.3.2"
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@@ -986,9 +1060,15 @@ dependencies = [
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"proc-macro-error2",
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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name = "portable-atomic"
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version = "1.11.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f84267b20a16ea918e43c6a88433c2d54fa145c92a811b5b047ccbe153674483"
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[[package]]
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name = "precomputed-hash"
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version = "0.1.1"
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@@ -1014,7 +1094,7 @@ dependencies = [
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"proc-macro-error-attr2",
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"proc-macro2",
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"quote",
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"syn",
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"syn 2.0.111",
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]
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[[package]]
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@@ -1149,6 +1229,35 @@ version = "0.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
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[[package]]
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name = "serde"
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version = "1.0.228"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
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dependencies = [
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"serde_core",
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]
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[[package]]
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name = "serde_core"
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version = "1.0.228"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
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dependencies = [
|
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"serde_derive",
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||||
]
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[[package]]
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||||
name = "serde_derive"
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||||
version = "1.0.228"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.111",
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||||
]
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||||
[[package]]
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||||
name = "sha2-const-stable"
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version = "0.1.0"
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@@ -1195,6 +1304,16 @@ dependencies = [
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"rgb",
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]
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[[package]]
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name = "ssmarshal"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f3e6ad23b128192ed337dfa4f1b8099ced0c2bf30d61e551b65fda5916dbb850"
|
||||
dependencies = [
|
||||
"encode_unicode",
|
||||
"serde",
|
||||
]
|
||||
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[[package]]
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||||
name = "stable_deref_trait"
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||||
version = "1.2.1"
|
||||
@@ -1219,6 +1338,17 @@ version = "0.11.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.109"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.111"
|
||||
@@ -1265,7 +1395,7 @@ checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"syn 2.0.111",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@@ -1292,6 +1422,53 @@ version = "0.2.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
|
||||
|
||||
[[package]]
|
||||
name = "usb-device"
|
||||
version = "0.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "98816b1accafbb09085168b90f27e93d790b4bfa19d883466b5e53315b5f06a6"
|
||||
dependencies = [
|
||||
"heapless",
|
||||
"portable-atomic",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "usbd-hid"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e6f291ab53d428685cc780f08a2eb9d5d6ff58622db2b36e239a4f715f1e184c"
|
||||
dependencies = [
|
||||
"serde",
|
||||
"ssmarshal",
|
||||
"usb-device",
|
||||
"usbd-hid-macros",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "usbd-hid-descriptors"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee54712c5d778d2fb2da43b1ce5a7b5060886ef7b09891baeb4bf36910a3ed"
|
||||
dependencies = [
|
||||
"bitfield 0.14.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "usbd-hid-macros"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bb573c76e7884035ac5e1ab4a81234c187a82b6100140af0ab45757650ccda38"
|
||||
dependencies = [
|
||||
"byteorder",
|
||||
"hashbrown 0.13.2",
|
||||
"log",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"serde",
|
||||
"syn 1.0.109",
|
||||
"usbd-hid-descriptors",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "vcell"
|
||||
version = "0.1.3"
|
||||
@@ -1370,5 +1547,5 @@ checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"syn 2.0.111",
|
||||
]
|
||||
|
||||
@@ -23,11 +23,14 @@ embedded-storage = "0.3.1"
|
||||
|
||||
cortex-m-rt = "0.7.3"
|
||||
|
||||
embassy-executor = { version = "0.7", features = ["task-arena-size-1024", "arch-cortex-m", "executor-thread", "defmt", "executor-interrupt"] }
|
||||
embassy-executor = { version = "0.7", features = ["task-arena-size-65536", "arch-cortex-m", "executor-thread", "defmt", "executor-interrupt"] }
|
||||
embassy-sync = { version = "0.6" }
|
||||
embassy-time = { version = "0.4", features = ["defmt", "defmt-timestamp-uptime"] }
|
||||
cortex-m = { version = "0.7.7" }
|
||||
embassy-rp = { version = "0.4", features = ["defmt", "unstable-pac", "time-driver", "critical-section-impl", "rp2040"] }
|
||||
embassy-usb = "0.4.0"
|
||||
usbd-hid = "0.8.2"
|
||||
embassy-futures = "0.1.2"
|
||||
[profile.release]
|
||||
debug = 2
|
||||
lto = true
|
||||
|
||||
193
src/main.rs
193
src/main.rs
@@ -1,10 +1,15 @@
|
||||
#![no_std]
|
||||
#![no_main]
|
||||
|
||||
use defmt::info;
|
||||
use core::sync::atomic::{AtomicBool, Ordering};
|
||||
|
||||
use defmt::{info, warn};
|
||||
use embassy_executor::Spawner;
|
||||
use embassy_rp::gpio::{Input, Level, Output, Pull};
|
||||
use embassy_futures::join::join;
|
||||
use embassy_rp::{bind_interrupts, gpio::{Input, Level, Output, Pull}, peripherals::USB, usb::{Driver, InterruptHandler}};
|
||||
use embassy_time::{Duration, Timer};
|
||||
use embassy_usb::{Builder, Config, Handler, class::hid::{HidReaderWriter, ReportId, RequestHandler, State}, control::OutResponse};
|
||||
use usbd_hid::descriptor::{KeyboardReport, SerializedDescriptor};
|
||||
use {defmt_rtt as _, panic_probe as _};
|
||||
|
||||
pub struct Debouncer<'a> {
|
||||
@@ -17,11 +22,26 @@ impl<'a> Debouncer<'a> {
|
||||
Self { input, debounce }
|
||||
}
|
||||
|
||||
pub async fn debounce(&mut self) -> Level {
|
||||
pub async fn debounce_low(&mut self) -> Level {
|
||||
loop {
|
||||
let l1 = self.input.get_level();
|
||||
|
||||
self.input.wait_for_any_edge().await;
|
||||
self.input.wait_for_low().await;
|
||||
|
||||
Timer::after(self.debounce).await;
|
||||
|
||||
let l2 = self.input.get_level();
|
||||
if l1 != l2 {
|
||||
break l2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn debounce_high(&mut self) -> Level {
|
||||
loop {
|
||||
let l1 = self.input.get_level();
|
||||
|
||||
self.input.wait_for_high().await;
|
||||
|
||||
Timer::after(self.debounce).await;
|
||||
|
||||
@@ -33,21 +53,170 @@ impl<'a> Debouncer<'a> {
|
||||
}
|
||||
}
|
||||
|
||||
bind_interrupts!(struct Irqs {
|
||||
USBCTRL_IRQ => InterruptHandler<USB>;
|
||||
});
|
||||
|
||||
#[embassy_executor::main]
|
||||
async fn main(_spawner: Spawner) -> ! {
|
||||
async fn main(_spawner: Spawner) -> () {
|
||||
let p = embassy_rp::init(Default::default());
|
||||
|
||||
let driver = Driver::new(p.USB, Irqs);
|
||||
|
||||
let mut config = Config::new(0x1234, 0xabcd);
|
||||
config.manufacturer = Some("Lukrecja");
|
||||
config.product = Some("kb-prototype");
|
||||
config.serial_number = Some("00000000");
|
||||
config.composite_with_iads = false;
|
||||
config.device_class = 0x00;
|
||||
config.device_sub_class = 0x00;
|
||||
config.device_protocol = 0x00;
|
||||
|
||||
let mut config_descriptor = [0; 256];
|
||||
let mut bos_descriptor = [0; 256];
|
||||
let mut msos_descriptor = [0; 256];
|
||||
let mut control_buf = [0; 64];
|
||||
let mut request_handler = KbRequestHandler {};
|
||||
let mut device_handler = KbDeviceHandler::new();
|
||||
|
||||
let mut state = State::new();
|
||||
|
||||
let mut builder = Builder::new(
|
||||
driver,
|
||||
config,
|
||||
&mut config_descriptor,
|
||||
&mut bos_descriptor,
|
||||
&mut msos_descriptor,
|
||||
&mut control_buf,
|
||||
);
|
||||
|
||||
builder.handler(&mut device_handler);
|
||||
|
||||
let config = embassy_usb::class::hid::Config {
|
||||
report_descriptor: KeyboardReport::desc(),
|
||||
request_handler: None,
|
||||
poll_ms: 60,
|
||||
max_packet_size: 64,
|
||||
};
|
||||
|
||||
let hid = HidReaderWriter::<_, 1, 8>::new(&mut builder, &mut state, config);
|
||||
|
||||
let mut usb = builder.build();
|
||||
|
||||
let usb_fut = usb.run();
|
||||
|
||||
let mut led = Output::new(p.PIN_25, Level::Low);
|
||||
let mut switch_input = Debouncer::new(Input::new(p.PIN_0, Pull::Up), Duration::from_millis(20));
|
||||
switch_input.input.set_schmitt(true);
|
||||
loop {
|
||||
defmt::info!("switch off");
|
||||
led.set_low();
|
||||
|
||||
switch_input.debounce().await;
|
||||
let (reader, mut writer) = hid.split();
|
||||
|
||||
info!("switch on");
|
||||
led.set_high();
|
||||
let in_fut = async {
|
||||
loop {
|
||||
defmt::info!("waiting for low");
|
||||
led.set_low();
|
||||
|
||||
switch_input.debounce_low().await;
|
||||
|
||||
info!("got low");
|
||||
led.set_high();
|
||||
|
||||
let report = KeyboardReport {
|
||||
keycodes: [4, 0, 0, 0, 0, 0],
|
||||
leds: 0,
|
||||
modifier: 0,
|
||||
reserved: 0,
|
||||
};
|
||||
|
||||
match writer.write_serialize(&report).await {
|
||||
Ok(()) => info!("report sent"),
|
||||
Err(e) => warn!("failed to send: {:?}", e),
|
||||
};
|
||||
|
||||
switch_input.debounce_high().await;
|
||||
info!("got high");
|
||||
|
||||
let report = KeyboardReport {
|
||||
keycodes: [0, 0, 0, 0, 0, 0],
|
||||
leds: 0,
|
||||
modifier: 0,
|
||||
reserved: 0,
|
||||
};
|
||||
|
||||
match writer.write_serialize(&report).await {
|
||||
Ok(()) => info!("report sent"),
|
||||
Err(e) => warn!("failed to send: {:?}", e),
|
||||
};
|
||||
}
|
||||
};
|
||||
|
||||
switch_input.debounce().await;
|
||||
let out_fut = async {
|
||||
reader.run(false, &mut request_handler).await;
|
||||
};
|
||||
join(usb_fut, join(in_fut, out_fut)).await;
|
||||
}
|
||||
|
||||
struct KbRequestHandler {}
|
||||
|
||||
impl RequestHandler for KbRequestHandler {
|
||||
fn get_report(&mut self, _id: ReportId, _buf: &mut [u8]) -> Option<usize> {
|
||||
info!("get report");
|
||||
None
|
||||
}
|
||||
|
||||
fn set_report(&mut self, _id: ReportId, data: &[u8]) -> OutResponse {
|
||||
info!("set report: {=[u8]}", data);
|
||||
OutResponse::Accepted
|
||||
}
|
||||
|
||||
fn set_idle_ms(&mut self, _id: Option<ReportId>, dur: u32) {
|
||||
info!("set idle rate to {}", dur);
|
||||
}
|
||||
|
||||
fn get_idle_ms(&mut self, _id: Option<ReportId>) -> Option<u32> {
|
||||
info!("get idle rate");
|
||||
None
|
||||
}
|
||||
}
|
||||
|
||||
struct KbDeviceHandler {
|
||||
configured: AtomicBool,
|
||||
}
|
||||
|
||||
impl KbDeviceHandler {
|
||||
fn new() -> Self {
|
||||
Self {
|
||||
configured: AtomicBool::new(false),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Handler for KbDeviceHandler {
|
||||
fn enabled(&mut self, enabled: bool) {
|
||||
self.configured.store(false, Ordering::Relaxed);
|
||||
if enabled {
|
||||
info!("device enabled");
|
||||
} else {
|
||||
info!("device disabled");
|
||||
}
|
||||
}
|
||||
|
||||
fn reset(&mut self) {
|
||||
self.configured.store(false, Ordering::Relaxed);
|
||||
info!("bus reset, Vbus current limit is 100mA");
|
||||
}
|
||||
|
||||
fn addressed(&mut self, addr: u8) {
|
||||
self.configured.store(false, Ordering::Relaxed);
|
||||
info!("USB address set to: {}", addr);
|
||||
}
|
||||
|
||||
fn configured(&mut self, configured: bool) {
|
||||
self.configured.store(configured, Ordering::Relaxed);
|
||||
if configured {
|
||||
info!("device configured")
|
||||
} else {
|
||||
info!("device no longer configured");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user