mirror of
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Add RTC interrupt example for stm32f411 (#853)
* Add RTC example for stm32f411 * Remove svd file --------- Co-authored-by: Milton Eduardo Sosa <milton.eduardo.sosa@gmail.com, milton@switch-ev.com>
This commit is contained in:
Milton Eduardo Sosa
GitHub
parent
21191e1b23
commit
207f7dba48
7 changed files with 936 additions and 0 deletions
14
examples/stm32f411_rtc_interrupt/.cargo/config.toml
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14
examples/stm32f411_rtc_interrupt/.cargo/config.toml
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[target.thumbv7em-none-eabihf]
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runner = "probe-rs run --chip STM32F411CEUx"
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rustflags = [
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"-C", "link-arg=-Tlink.x",
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"-C", "link-arg=-Tdefmt.x",
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]
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[build]
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target = "thumbv7em-none-eabihf"
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[env]
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DEFMT_LOG = "debug"
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689
examples/stm32f411_rtc_interrupt/Cargo.lock
generated
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689
examples/stm32f411_rtc_interrupt/Cargo.lock
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@ -0,0 +1,689 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "atomic-polyfill"
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version = "0.1.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e3ff7eb3f316534d83a8a2c3d1674ace8a5a71198eba31e2e2b597833f699b28"
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dependencies = [
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"critical-section",
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]
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[[package]]
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name = "atomic-polyfill"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8cf2bce30dfe09ef0bfaef228b9d414faaf7e563035494d7fe092dba54b300f4"
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dependencies = [
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"critical-section",
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]
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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name = "bare-metal"
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version = "0.2.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
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dependencies = [
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"rustc_version 0.2.3",
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]
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[[package]]
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name = "bare-metal"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f8fe8f5a8a398345e52358e18ff07cc17a568fbca5c6f73873d3a62056309603"
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[[package]]
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name = "bitfield"
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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 = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "byteorder"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "cortex-m"
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version = "0.7.7"
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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 0.2.5",
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"bitfield",
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"critical-section",
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"embedded-hal 0.2.7",
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"volatile-register",
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]
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[[package]]
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name = "cortex-m-rt"
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version = "0.7.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee84e813d593101b1723e13ec38b6ab6abbdbaaa4546553f5395ed274079ddb1"
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dependencies = [
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"cortex-m-rt-macros",
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]
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[[package]]
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name = "cortex-m-rt-macros"
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version = "0.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0f6f3e36f203cfedbc78b357fb28730aa2c6dc1ab060ee5c2405e843988d3c7"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn 1.0.109",
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]
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[[package]]
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name = "critical-section"
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version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7059fff8937831a9ae6f0fe4d658ffabf58f2ca96aa9dec1c889f936f705f216"
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[[package]]
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name = "defmt"
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version = "0.3.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a8a2d011b2fee29fb7d659b83c43fce9a2cb4df453e16d441a51448e448f3f98"
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dependencies = [
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"bitflags",
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"defmt-macros",
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]
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[[package]]
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name = "defmt-macros"
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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 = "54f0216f6c5acb5ae1a47050a6645024e6edafc2ee32d421955eccfef12ef92e"
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dependencies = [
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"defmt-parser",
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"proc-macro-error",
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"proc-macro2",
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"quote",
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"syn 2.0.39",
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]
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[[package]]
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name = "defmt-parser"
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version = "0.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "269924c02afd7f94bc4cecbfa5c379f6ffcf9766b3408fe63d22c728654eccd0"
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dependencies = [
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"thiserror",
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]
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[[package]]
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name = "defmt-rtt"
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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 = "609923761264dd99ed9c7d209718cda4631c5fe84668e0f0960124cbb844c49f"
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dependencies = [
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"critical-section",
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"defmt",
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]
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[[package]]
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name = "deranged"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0f32d04922c60427da6f9fef14d042d9edddef64cb9d4ce0d64d0685fbeb1fd3"
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dependencies = [
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"powerfmt",
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]
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[[package]]
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name = "embedded-dma"
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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 = "994f7e5b5cb23521c22304927195f236813053eb9c065dd2226a32ba64695446"
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dependencies = [
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"stable_deref_trait",
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]
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[[package]]
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name = "embedded-hal"
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version = "0.2.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"nb 0.1.3",
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"void",
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]
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[[package]]
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name = "embedded-hal"
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version = "1.0.0-rc.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "embedded-hal-nb"
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version = "1.0.0-rc.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"embedded-hal 1.0.0-rc.1",
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"nb 1.1.0",
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]
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[[package]]
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name = "embedded-storage"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "enumflags2"
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"enumflags2_derive",
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]
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[[package]]
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name = "enumflags2_derive"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"proc-macro2",
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"quote",
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"syn 2.0.39",
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]
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[[package]]
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name = "equivalent"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "fugit"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"gcd",
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]
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[[package]]
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|
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"fugit",
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"nb 1.1.0",
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]
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[[package]]
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[[package]]
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[[package]]
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dependencies = [
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"futures-task",
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"pin-project-lite",
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"pin-utils",
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]
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[[package]]
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[[package]]
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||||||
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|
||||||
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dependencies = [
|
||||||
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"byteorder",
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]
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[[package]]
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[[package]]
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||||||
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dependencies = [
|
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"atomic-polyfill 0.1.11",
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"hash32",
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"rustc_version 0.4.0",
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"spin",
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]
|
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[[package]]
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|
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|
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|
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dependencies = [
|
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"equivalent",
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"hashbrown",
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]
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[[package]]
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name = "lock_api"
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|
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checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.9.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||||
|
|
||||||
|
[[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",
|
||||||
|
]
|
||||||
29
examples/stm32f411_rtc_interrupt/Cargo.toml
Normal file
29
examples/stm32f411_rtc_interrupt/Cargo.toml
Normal file
|
|
@ -0,0 +1,29 @@
|
||||||
|
[workspace]
|
||||||
|
|
||||||
|
[package]
|
||||||
|
authors = ["<Milton Sosa <milton.eduardo.sosa@gmail.com>"]
|
||||||
|
edition = "2018"
|
||||||
|
readme = "README.md"
|
||||||
|
name = "rtc_wakeup_interrupt"
|
||||||
|
version = "0.1.0"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
|
||||||
|
cortex-m-rt = "0.7.1"
|
||||||
|
rtic = {version = "2.0.1", features=["thumbv7-backend", "rtic-monotonics"]}
|
||||||
|
panic-halt = "0.2.0"
|
||||||
|
embedded-hal = "0.2.7"
|
||||||
|
defmt = "0.3.5"
|
||||||
|
defmt-rtt = { version = "0.4.0"}
|
||||||
|
rtic-sync = "1.0.2"
|
||||||
|
|
||||||
|
[dependencies.stm32f4xx-hal]
|
||||||
|
version = "0.18.0"
|
||||||
|
features = ["rt", "stm32f411"] # replace the model of your microcontroller here
|
||||||
|
|
||||||
|
# this lets you use `cargo fix`!
|
||||||
|
[[bin]]
|
||||||
|
name = "rtc_wakeup_interrupt"
|
||||||
|
test = false
|
||||||
|
bench = false
|
||||||
|
|
||||||
12
examples/stm32f411_rtc_interrupt/README.md
Normal file
12
examples/stm32f411_rtc_interrupt/README.md
Normal file
|
|
@ -0,0 +1,12 @@
|
||||||
|
# STM32F411CEU6 RTC interrup example
|
||||||
|
|
||||||
|
Working example to configure the internal RTC of the STM32F411CEU6 present on the Blackpill board.
|
||||||
|
After configured, it will listen to periodic wake-up interrupts happening every 10 seconds until the button on GPIO PA0 is pressed.
|
||||||
|
|
||||||
|
## How-to
|
||||||
|
|
||||||
|
### Build
|
||||||
|
Run `cargo +nightly build` to compile the code. If you run it for the first time, it will take some time to download and compile dependencies.
|
||||||
|
|
||||||
|
### Run
|
||||||
|
Install `probe-rs` and configure it using the [debugging extension for VScode](https://probe.rs/docs/tools/debugger/).
|
||||||
31
examples/stm32f411_rtc_interrupt/build.rs
Normal file
31
examples/stm32f411_rtc_interrupt/build.rs
Normal file
|
|
@ -0,0 +1,31 @@
|
||||||
|
//! This build script copies the `memory.x` file from the crate root into
|
||||||
|
//! a directory where the linker can always find it at build time.
|
||||||
|
//! For many projects this is optional, as the linker always searches the
|
||||||
|
//! project root directory -- wherever `Cargo.toml` is. However, if you
|
||||||
|
//! are using a workspace or have a more complicated build setup, this
|
||||||
|
//! build script becomes required. Additionally, by requesting that
|
||||||
|
//! Cargo re-run the build script whenever `memory.x` is changed,
|
||||||
|
//! updating `memory.x` ensures a rebuild of the application with the
|
||||||
|
//! new memory settings.
|
||||||
|
|
||||||
|
use std::env;
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io::Write;
|
||||||
|
use std::path::PathBuf;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
// Put `memory.x` in our output directory and ensure it's
|
||||||
|
// on the linker search path.
|
||||||
|
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
|
||||||
|
File::create(out.join("memory.x"))
|
||||||
|
.unwrap()
|
||||||
|
.write_all(include_bytes!("memory.x"))
|
||||||
|
.unwrap();
|
||||||
|
println!("cargo:rustc-link-search={}", out.display());
|
||||||
|
|
||||||
|
// By default, Cargo will re-run a build script whenever
|
||||||
|
// any file in the project changes. By specifying `memory.x`
|
||||||
|
// here, we ensure the build script is only re-run when
|
||||||
|
// `memory.x` is changed.
|
||||||
|
println!("cargo:rerun-if-changed=memory.x");
|
||||||
|
}
|
||||||
6
examples/stm32f411_rtc_interrupt/memory.x
Normal file
6
examples/stm32f411_rtc_interrupt/memory.x
Normal file
|
|
@ -0,0 +1,6 @@
|
||||||
|
MEMORY
|
||||||
|
{
|
||||||
|
/* NOTE 1 K = 1 KiBi = 1024 bytes */
|
||||||
|
FLASH : ORIGIN = 0x08000000, LENGTH = 512K
|
||||||
|
RAM : ORIGIN = 0x20000000, LENGTH = 96K
|
||||||
|
}
|
||||||
155
examples/stm32f411_rtc_interrupt/src/main.rs
Normal file
155
examples/stm32f411_rtc_interrupt/src/main.rs
Normal file
|
|
@ -0,0 +1,155 @@
|
||||||
|
#![deny(unsafe_code)]
|
||||||
|
#![deny(warnings)]
|
||||||
|
#![no_main]
|
||||||
|
#![no_std]
|
||||||
|
#![feature(type_alias_impl_trait)]
|
||||||
|
|
||||||
|
use panic_halt as _;
|
||||||
|
|
||||||
|
#[rtic::app(device = stm32f4xx_hal::pac, peripherals = true)]
|
||||||
|
mod app {
|
||||||
|
|
||||||
|
use stm32f4xx_hal::{
|
||||||
|
gpio::{self, Edge, Input, Output, PushPull},
|
||||||
|
pac::TIM1,
|
||||||
|
prelude::*,
|
||||||
|
rtc::{Rtc, Event},
|
||||||
|
timer,
|
||||||
|
};
|
||||||
|
|
||||||
|
use defmt_rtt as _;
|
||||||
|
|
||||||
|
// Resources shared between tasks
|
||||||
|
#[shared]
|
||||||
|
struct Shared {
|
||||||
|
delayval: u32,
|
||||||
|
rtc: Rtc,
|
||||||
|
}
|
||||||
|
|
||||||
|
// Local resources to specific tasks (cannot be shared)
|
||||||
|
#[local]
|
||||||
|
struct Local {
|
||||||
|
button: gpio::PA0<Input>,
|
||||||
|
led: gpio::PC13<Output<PushPull>>,
|
||||||
|
delay: timer::DelayMs<TIM1>,
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#[init]
|
||||||
|
fn init(ctx: init::Context) -> (Shared, Local) {
|
||||||
|
|
||||||
|
let mut dp = ctx.device;
|
||||||
|
|
||||||
|
// Configure and obtain handle for delay abstraction
|
||||||
|
// 1) Promote RCC structure to HAL to be able to configure clocks
|
||||||
|
let rcc = dp.RCC.constrain();
|
||||||
|
|
||||||
|
// 2) Configure the system clocks
|
||||||
|
// 25 MHz must be used for HSE on the Blackpill-STM32F411CE board according to manual
|
||||||
|
let clocks = rcc.cfgr.use_hse(25.MHz()).freeze();
|
||||||
|
|
||||||
|
//Configure RTC
|
||||||
|
let mut rtc = Rtc::new(dp.RTC, &mut dp.PWR);
|
||||||
|
|
||||||
|
//Set date and time
|
||||||
|
let _ = rtc.set_year(2023);
|
||||||
|
let _ = rtc.set_month(11);
|
||||||
|
let _ = rtc.set_day(25);
|
||||||
|
let _ = rtc.set_hours(22);
|
||||||
|
let _ = rtc.set_minutes(46);
|
||||||
|
let _ = rtc.set_seconds(00);
|
||||||
|
|
||||||
|
//Start listening to WAKE UP INTERRUPTS
|
||||||
|
rtc.enable_wakeup(10.secs());
|
||||||
|
rtc.listen(&mut dp.EXTI, Event::Wakeup);
|
||||||
|
|
||||||
|
|
||||||
|
// 3) Create delay handle
|
||||||
|
let delay = dp.TIM1.delay_ms(&clocks);
|
||||||
|
|
||||||
|
// Configure the LED pin as a push pull ouput and obtain handle
|
||||||
|
// On the Blackpill STM32F411CEU6 there is an on-board LED connected to pin PC13
|
||||||
|
// 1) Promote the GPIOC PAC struct
|
||||||
|
let gpioc = dp.GPIOC.split();
|
||||||
|
|
||||||
|
// 2) Configure PORTC OUTPUT Pins and Obtain Handle
|
||||||
|
let led = gpioc.pc13.into_push_pull_output();
|
||||||
|
|
||||||
|
// Configure the button pin as input and obtain handle
|
||||||
|
// On the Blackpill STM32F411CEU6 there is a button connected to pin PA0
|
||||||
|
// 1) Promote the GPIOA PAC struct
|
||||||
|
let gpioa: gpio::gpioa::Parts = dp.GPIOA.split();
|
||||||
|
// 2) Configure Pin and Obtain Handle
|
||||||
|
let mut button = gpioa.pa0.into_pull_up_input();
|
||||||
|
|
||||||
|
|
||||||
|
// Configure Button Pin for Interrupts
|
||||||
|
// 1) Promote SYSCFG structure to HAL to be able to configure interrupts
|
||||||
|
let mut syscfg = dp.SYSCFG.constrain();
|
||||||
|
// 2) Make button an interrupt source
|
||||||
|
button.make_interrupt_source(&mut syscfg);
|
||||||
|
// 3) Configure the interruption to be triggered on a rising edge
|
||||||
|
button.trigger_on_edge(&mut dp.EXTI, Edge::Rising);
|
||||||
|
// 4) Enable gpio interrupt for button
|
||||||
|
button.enable_interrupt(&mut dp.EXTI);
|
||||||
|
|
||||||
|
|
||||||
|
(
|
||||||
|
// Initialization of shared resources
|
||||||
|
Shared { delayval: 2000_u32, rtc},
|
||||||
|
// Initialization of task local resources
|
||||||
|
Local { button, led, delay},
|
||||||
|
)
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
// Background task, runs whenever no other tasks are running
|
||||||
|
#[idle(local = [led, delay], shared = [delayval])]
|
||||||
|
fn idle(mut ctx: idle::Context) -> ! {
|
||||||
|
let led = ctx.local.led;
|
||||||
|
let delay = ctx.local.delay;
|
||||||
|
loop {
|
||||||
|
// Turn On LED
|
||||||
|
led.set_high();
|
||||||
|
// Obtain shared delay variable and delay
|
||||||
|
delay.delay_ms(ctx.shared.delayval.lock(|del| *del));
|
||||||
|
// Turn off LED
|
||||||
|
led.set_low();
|
||||||
|
// Obtain shared delay variable and delay
|
||||||
|
delay.delay_ms(ctx.shared.delayval.lock(|del| *del));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[task(binds = EXTI0, local = [button], shared=[delayval, rtc])]
|
||||||
|
fn gpio_interrupt_handler(mut ctx: gpio_interrupt_handler::Context) {
|
||||||
|
|
||||||
|
ctx.shared.delayval.lock(|del| {
|
||||||
|
*del = *del - 100_u32;
|
||||||
|
if *del < 200_u32 {
|
||||||
|
*del = 2000_u32;
|
||||||
|
}
|
||||||
|
*del
|
||||||
|
});
|
||||||
|
|
||||||
|
ctx.shared.rtc.lock(|rtc|{
|
||||||
|
let current_time = rtc.get_datetime();
|
||||||
|
|
||||||
|
defmt::info!("CURRENT TIME {:?}", current_time.as_hms());
|
||||||
|
rtc.disable_wakeup();
|
||||||
|
});
|
||||||
|
|
||||||
|
ctx.local.button.clear_interrupt_pending_bit();
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
#[task(binds = RTC_WKUP, shared = [rtc])]
|
||||||
|
fn rtc_wakeup(mut ctx: rtc_wakeup::Context) {
|
||||||
|
defmt::warn!("RTC INTERRUPT!!!!");
|
||||||
|
ctx.shared.rtc.lock(|rtc|{
|
||||||
|
let current_time = rtc.get_datetime();
|
||||||
|
rtc.clear_interrupt(Event::Wakeup);
|
||||||
|
defmt::info!("Current time {:?}", current_time.as_hms() );
|
||||||
|
});
|
||||||
|
// Your RTC wakeup interrupt handling code here
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue