M-Labs
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thermostat
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Remove report mode 

As the report mode command breaks the send-receive architecture model of
the command interface, and is deemed an anti-feature, making clients
difficult to write, remove it from the firmware entirely.
This commit is contained in:
atse 2024-09-16 11:52:15 +08:00 committed by sb10q
parent 680193b34b
commit b336c4f993
6 changed files with 10 additions and 126 deletions
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9
README.md
View File

@ -84,9 +84,7 @@ invalidate the first line of input.
### Reading ADC input
Set report mode to `on` for a continuous stream of input data.
The scope of this setting is per TCP session.
ADC input data is provided in reports. Query for the latest report with the command `report`. See the *Reports* section below.
### TCP commands
@ -97,8 +95,6 @@ formatted as line-delimited JSON.
| Syntax | Function |
|----------------------------------|-------------------------------------------------------------------------------|
| `report` | Show current input |
| `report mode` | Show current report mode |
| `report mode <off/on>` | Set report mode |
| `pwm` | Show current PWM settings |
| `pwm <0/1> max_i_pos <amp>` | Set maximum positive output current |
| `pwm <0/1> max_i_neg <amp>` | Set maximum negative output current |
@ -251,8 +247,7 @@ pwm 0 pid
## Reports
Use the bare `report` command to obtain a single report. Enable
continuous reporting with `report mode on`. Reports are JSON objects
Use the bare `report` command to obtain a single report. Reports are JSON objects
with the following keys.
| Key | Unit | Description |

5
pytec/pytec/client.py
View File

@ -1,6 +1,7 @@
import socket
import json
import logging
import time
class CommandError(Exception):
pass
@ -126,9 +127,8 @@ class Client:
'tec_u_meas': 2.5340000000000003,
'pid_output': 2.067581958092247}
"""
self._command("report mode", "on")
while True:
self._socket.sendall("report\n".encode('utf-8'))
line = self._read_line()
if not line:
break
@ -136,6 +136,7 @@ class Client:
yield json.loads(line)
except json.decoder.JSONDecodeError:
pass
time.sleep(0.05)
def set_param(self, topic, channel, field="", value=""):
"""Set configuration parameters

15
src/command_handler.rs
View File

@ -22,7 +22,6 @@ use super::{
config::ChannelConfig,
dfu,
flash_store::FlashStore,
session::Session,
FanCtrl,
hw_rev::HWRev,
};
@ -87,16 +86,6 @@ fn send_line(socket: &mut TcpSocket, data: &[u8]) -> bool {
impl Handler {
fn reporting(socket: &mut TcpSocket) -> Result<Handler, Error> {
send_line(socket, b"{}");
Ok(Handler::Handled)
}
fn show_report_mode(socket: &mut TcpSocket, session: &Session) -> Result<Handler, Error> {
let _ = writeln!(socket, "{{ \"report\": {:?} }}", session.reporting());
Ok(Handler::Handled)
}
fn show_report(socket: &mut TcpSocket, channels: &mut Channels) -> Result<Handler, Error> {
match channels.reports_json() {
Ok(buf) => {
@ -412,11 +401,9 @@ impl Handler {
}
}
pub fn handle_command(command: Command, socket: &mut TcpSocket, channels: &mut Channels, session: &Session, store: &mut FlashStore, ipv4_config: &mut Ipv4Config, fan_ctrl: &mut FanCtrl, hwrev: HWRev) -> Result<Self, Error> {
pub fn handle_command(command: Command, socket: &mut TcpSocket, channels: &mut Channels, store: &mut FlashStore, ipv4_config: &mut Ipv4Config, fan_ctrl: &mut FanCtrl, hwrev: HWRev) -> Result<Self, Error> {
match command {
Command::Quit => Ok(Handler::CloseSocket),
Command::Reporting(_reporting) => Handler::reporting(socket),
Command::Show(ShowCommand::Reporting) => Handler::show_report_mode(socket, session),
Command::Show(ShowCommand::Input) => Handler::show_report(socket, channels),
Command::Show(ShowCommand::Pid) => Handler::show_pid(socket, channels),
Command::Show(ShowCommand::Pwm) => Handler::show_pwm(socket, channels),

46
src/command_parser.rs
View File

@ -96,7 +96,6 @@ pub struct Ipv4Config {
#[derive(Debug, Clone, PartialEq)]
pub enum ShowCommand {
Input,
Reporting,
Pwm,
Pid,
SteinhartHart,
@ -148,7 +147,6 @@ pub enum Command {
Reset,
Ipv4(Ipv4Config),
Show(ShowCommand),
Reporting(bool),
/// PWM parameter setting
Pwm {
channel: usize,
@ -233,12 +231,6 @@ fn float(input: &[u8]) -> IResult<&[u8], Result<f64, Error>> {
Ok((input, result))
}
fn off_on(input: &[u8]) -> IResult<&[u8], bool> {
alt((value(false, tag("off")),
value(true, tag("on"))
))(input)
}
fn channel(input: &[u8]) -> IResult<&[u8], usize> {
map(one_of("01"), |c| (c as usize) - ('0' as usize))(input)
}
@ -246,24 +238,8 @@ fn channel(input: &[u8]) -> IResult<&[u8], usize> {
fn report(input: &[u8]) -> IResult<&[u8], Command> {
preceded(
tag("report"),
alt((
preceded(
whitespace,
preceded(
tag("mode"),
alt((
preceded(
whitespace,
// `report mode <on | off>` - Switch repoting mode
map(off_on, Command::Reporting)
),
// `report mode` - Show current reporting state
value(Command::Show(ShowCommand::Reporting), end)
))
)),
// `report` - Report once
value(Command::Show(ShowCommand::Input), end)
))
// `report` - Report once
value(Command::Show(ShowCommand::Input), end)
)(input)
}
@ -682,24 +658,6 @@ mod test {
assert_eq!(command, Ok(Command::Show(ShowCommand::Input)));
}
#[test]
fn parse_report_mode() {
let command = Command::parse(b"report mode");
assert_eq!(command, Ok(Command::Show(ShowCommand::Reporting)));
}
#[test]
fn parse_report_mode_on() {
let command = Command::parse(b"report mode on");
assert_eq!(command, Ok(Command::Reporting(true)));
}
#[test]
fn parse_report_mode_off() {
let command = Command::parse(b"report mode off");
assert_eq!(command, Ok(Command::Reporting(false)));
}
#[test]
fn parse_pwm_i_set() {
let command = Command::parse(b"pwm 1 i_set 16383");

20
src/main.rs
View File

@ -180,10 +180,7 @@ fn main() -> ! {
loop {
let mut new_ipv4_config = None;
let instant = Instant::from_millis(i64::from(timer::now()));
let updated_channel = channels.poll_adc(instant);
if let Some(channel) = updated_channel {
server.for_each(|_, session| session.set_report_pending(channel.into()));
}
channels.poll_adc(instant);
fan_ctrl.cycle(channels.current_abs_max_tec_i());
@ -216,7 +213,7 @@ fn main() -> ! {
// Do nothing and feed more data to the line reader in the next loop cycle.
Ok(SessionInput::Nothing) => {}
Ok(SessionInput::Command(command)) => {
match Handler::handle_command(command, &mut socket, &mut channels, session, &mut store, &mut ipv4_config, &mut fan_ctrl, hwrev) {
match Handler::handle_command(command, &mut socket, &mut channels, &mut store, &mut ipv4_config, &mut fan_ctrl, hwrev) {
Ok(Handler::NewIPV4(ip)) => new_ipv4_config = Some(ip),
Ok(Handler::Handled) => {},
Ok(Handler::CloseSocket) => socket.close(),
@ -231,19 +228,6 @@ fn main() -> ! {
Err(_) =>
socket.close(),
}
} else if socket.can_send() {
if let Some(channel) = session.is_report_pending() {
match channels.reports_json() {
Ok(buf) => {
send_line(&mut socket, &buf[..]);
session.mark_report_sent(channel);
}
Err(e) => {
error!("unable to serialize report: {:?}", e);
}
}
}
}
});
} else {

41
src/session.rs
View File

@ -1,5 +1,4 @@
use super::command_parser::{Command, Error as ParserError};
use super::channels::CHANNELS;
const MAX_LINE_LEN: usize = 64;
@ -53,8 +52,6 @@ impl From<Result<Command, ParserError>> for SessionInput {
pub struct Session {
reader: LineReader,
reporting: bool,
report_pending: [bool; CHANNELS],
}
impl Default for Session {
@ -67,43 +64,11 @@ impl Session {
pub fn new() -> Self {
Session {
reader: LineReader::new(),
reporting: false,
report_pending: [false; CHANNELS],
}
}
pub fn reset(&mut self) {
self.reader = LineReader::new();
self.reporting = false;
self.report_pending = [false; CHANNELS];
}
pub fn reporting(&self) -> bool {
self.reporting
}
pub fn set_report_pending(&mut self, channel: usize) {
if self.reporting {
self.report_pending[channel] = true;
}
}
pub fn is_report_pending(&self) -> Option<usize> {
if ! self.reporting {
None
} else {
self.report_pending.iter()
.enumerate()
.fold(None, |result, (channel, report_pending)| {
result.or_else(|| {
if *report_pending { Some(channel) } else { None }
})
})
}
}
pub fn mark_report_sent(&mut self, channel: usize) {
self.report_pending[channel] = false;
}
pub fn feed(&mut self, buf: &[u8]) -> (usize, SessionInput) {
@ -114,12 +79,6 @@ impl Session {
match line {
Some(line) => {
let command = Command::parse(&line);
match command {
Ok(Command::Reporting(reporting)) => {
self.reporting = reporting;
}
_ => {}
}
return (buf_bytes, command.into());
}
None => {}