add support for manipulating pwm duty cycle
parent
5e0f55647a
commit
1395e8b410
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@ -31,6 +31,11 @@ dependencies = [
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"stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "autocfg"
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version = "0.1.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "bare-metal"
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version = "0.2.5"
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@ -49,6 +54,14 @@ name = "bitflags"
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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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[[package]]
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name = "btoi"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "build_const"
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version = "0.2.1"
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@ -148,6 +161,7 @@ dependencies = [
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"alloc-cortex-m 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"btoi 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m-rt 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -211,6 +225,14 @@ name = "nb"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "num-traits"
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version = "0.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "proc-macro2"
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version = "0.4.30"
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@ -387,9 +409,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum aligned 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d3a316c7ea8e1e9ece54862c992def5a7ac14de9f5832b69d71760680efeeefa"
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"checksum alloc-cortex-m 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d5f7d01bc93ce089de636f946f7f1fdc5e5d751732367e019c9755440e7aef4"
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"checksum as-slice 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "293dac66b274fab06f95e7efb05ec439a6b70136081ea522d270bc351ae5bb27"
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"checksum autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b671c8fb71b457dd4ae18c4ba1e59aa81793daacc361d82fcd410cef0d491875"
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"checksum bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
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"checksum bit_field 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a165d606cf084741d4ac3a28fb6e9b1eb0bd31f6cd999098cfddb0b2ab381dc0"
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"checksum bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3d155346769a6855b86399e9bc3814ab343cd3d62c7e985113d46a0ec3c281fd"
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"checksum btoi 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e4ced8205e70d9e553d008d53ded735808fa6133597318d48f74fc2bf9861471"
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"checksum build_const 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
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"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
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"checksum cortex-m 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3df5de9a9829f2ccb7defa8945fa020c6614cd2f6ba9b5f33db9241dcc01985e"
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@ -408,6 +432,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum logos-derive 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)" = "13ff1b1068db09ee21d12baf55eccc0900a781a735273e0a606f6f4fbb32a322"
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"checksum managed 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "43e2737ecabe4ae36a68061398bf27d2bfd0763f4c3c837a398478459494c4b7"
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"checksum nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b1411551beb3c11dedfb0a90a0fa256b47d28b9ec2cdff34c25a2fa59e45dbdc"
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"checksum num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "6ba9a427cfca2be13aa6f6403b0b7e7368fe982bfa16fccc450ce74c46cd9b32"
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"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
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"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
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"checksum r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e2a38df5b15c8d5c7e8654189744d8e396bddc18ad48041a500ce52d6948941f"
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@ -21,6 +21,7 @@ bit_field = "0.10"
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bare-metal = "0.2"
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logos = { version = "~0.9", default-features = false, features = ["export_derive"] }
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alloc-cortex-m = "0.3"
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btoi = { version = "~0.4", default-features = false }
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[dependencies.smoltcp]
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git = "https://github.com/m-labs/smoltcp"
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@ -174,6 +174,22 @@ pub fn init() {
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});
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}
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pub fn set_timer_pwm(matchr: u32, ilr: u32) {
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macro_rules! set_timer_pwm {
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($T: tt) => (
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let timer = unsafe { &*tm4c129x::$T::ptr() };
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timer.tamatchr.write(|w| unsafe { w.bits(matchr) });
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timer.tbmatchr.write(|w| unsafe { w.bits(matchr) });
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timer.tailr.write(|w| unsafe { w.bits(ilr) });
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timer.tbilr.write(|w| unsafe { w.bits(ilr) });
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)
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}
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set_timer_pwm!(TIMER2);
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set_timer_pwm!(TIMER3);
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set_timer_pwm!(TIMER4);
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set_timer_pwm!(TIMER5);
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}
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pub fn get_mac_address() -> [u8; 6] {
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let (userreg0, userreg1) = cortex_m::interrupt::free(|_cs| {
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let flashctl = unsafe { &*tm4c129x::FLASH_CTRL::ptr() };
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@ -1,4 +1,5 @@
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use logos::Logos;
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use btoi::{btoi, ParseIntegerError};
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use super::session::ReportMode;
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#[derive(Logos, Debug, PartialEq)]
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@ -20,6 +21,8 @@ enum Token {
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Once,
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#[token = "continuous"]
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Continuous,
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#[token = "pwm"]
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Pwm,
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#[regex = "[0-9]+"]
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Number,
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@ -30,6 +33,13 @@ pub enum Error {
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Parser,
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UnexpectedEnd,
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UnexpectedToken(Token),
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ParseInteger(ParseIntegerError)
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}
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impl From<ParseIntegerError> for Error {
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fn from(e: ParseIntegerError) -> Self {
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Error::ParseInteger(e)
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}
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}
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#[derive(Debug)]
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@ -42,6 +52,10 @@ pub enum Command {
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Quit,
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Show(ShowCommand),
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Report(ReportMode),
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Pwm {
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pwm_match: u32,
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pwm_reload: u32,
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},
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}
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impl Command {
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@ -85,6 +99,27 @@ impl Command {
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],
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End => Ok(Command::Report(ReportMode::Once)),
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],
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Pwm => {
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if lexer.token != Token::Number {
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return Err(Error::UnexpectedToken(lexer.token));
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}
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let pwm_match = btoi(lexer.slice().as_bytes())?;
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lexer.advance();
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if lexer.token != Token::Number {
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return Err(Error::UnexpectedToken(lexer.token));
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}
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let pwm_reload = btoi(lexer.slice().as_bytes())?;
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lexer.advance();
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if lexer.token != Token::End {
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return Err(Error::UnexpectedToken(lexer.token));
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}
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end!(Command::Pwm {
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pwm_match, pwm_reload,
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})
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},
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]
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}
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}
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@ -263,9 +263,9 @@ fn main() -> ! {
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Command::Show(ShowCommand::ReportMode) => {
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let _ = writeln!(socket, "Report mode: {:?}", session.report_mode());
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}
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command => {
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// TODO: remove for exhaustion check
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let _ = writeln!(socket, "Not implemented: {:?}", command);
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Command::Pwm { pwm_match, pwm_reload } => {
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board::set_timer_pwm(pwm_match, pwm_reload);
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let _ = writeln!(socket, "PWM duty cycle: {}/{}", pwm_match, pwm_reload);
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}
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}
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Ok(SessionOutput::Error(e)) => {
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