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add "dry-run" flag

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This commit is contained in:
Alex Janka 2022-12-21 20:38:50 +11:00
parent d3702731a3
commit 758fc26846
1 changed files with 27 additions and 5 deletions
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32
src/main.rs
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@ -35,6 +35,10 @@ struct Args {
#[clap(long)]
get_serial_ports: bool,
/// Preview changes without writing to EEPROM
#[clap(long)]
dry_run: bool,
/// Use fake data - for testing
#[clap(long)]
fake: bool,
@ -121,15 +125,33 @@ fn main() {
match modbus {
Some(modbus) => {
let offset = match_offset(&name) as u16;
println!("Writing {} to offset {}", val, offset);
modbus
.write_register(EEPROM_BEGIN as u16 + offset, val)
.expect("could not set va lue");
let text = if args.dry_run {
"Dry run - would write"
} else {
"Writing"
};
println!(
"{} {} ({}) to offset {}",
text,
val,
t.get_scaled_from(val),
offset
);
if !args.dry_run {
modbus
.write_register(EEPROM_BEGIN as u16 + offset, val)
.expect("could not set value");
}
}
None => {
println!("No modbus device connected");
let offset = match_offset(&name) as u16;
println!("Would write {} to offset {}", val, offset);
println!(
"Would write {} ({}) to offset {}",
val,
t.get_scaled_from(val),
offset
);
}
}
return;