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scan fails with RPlidar A1 #2

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buffrr opened this issue Dec 26, 2019 · 0 comments
Open

scan fails with RPlidar A1 #2

buffrr opened this issue Dec 26, 2019 · 0 comments

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@buffrr
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buffrr commented Dec 26, 2019

The C++ driver works without any issues but this driver seems to fail when start_scan() is called.

I tried the ultra_simple example. it fails with timeout message on version 0.5.0

failed to start scan in standard mode: Error { kind: OperationTimeout, description: "operation timeout" }

This is the full output. The driver can get the device info and health successfully.

Connected to LIDAR:
Model: 24
Firmware Version: 1.20
Hardware Version: 0
Serial Number: 9FC0FBF2C8E4DCCFC6E49FF16112130D
LIDAR is healthy.
All supported scan modes:
0 Standard        : Max Distance: 8000.00m, Ans Type: 81, Us per sample: 500.00us
Typical scan mode: 0
Accessory board isn't detected
Starting LIDAR in typical mode...
thread 'main' panicked at 'failed to start scan in standard mode: Error { kind: OperationTimeout, description: "operation timeout" }', src\libcore\result.rs:1165:5
stack backtrace:
0: backtrace::backtrace::trace_unsynchronized
at C:\Users\VssAdministrator\.cargo\registry\src\github.com-1ecc6299db9ec823\backtrace-0.3.37\src\backtrace\mod.rs:66
1: std::sys_common::backtrace::_print_fmt
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\sys_common\backtrace.rs:76
2: std::sys_common::backtrace::_print::{{impl}}::fmt
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\sys_common\backtrace.rs:60
3: core::fmt::write
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libcore\fmt\mod.rs:1030
4: std::io::Write::write_fmt<std::sys::windows::stdio::Stderr>
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\io\mod.rs:1412
5: std::sys_common::backtrace::_print
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\sys_common\backtrace.rs:64
6: std::sys_common::backtrace::print
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\sys_common\backtrace.rs:49
7: std::panicking::default_hook::{{closure}}
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:196
8: std::panicking::default_hook
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:210
9: std::panicking::rust_panic_with_hook
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:473
10: std::panicking::continue_panic_fmt
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:380
11: std::panicking::rust_begin_panic
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:307
12: core::panicking::panic_fmt
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libcore\panicking.rs:85
13: core::result::unwrap_failed
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libcore\result.rs:1165
14: core::result::Result<rplidar_drv::prelude::ScanMode, rpos_drv::prelude::Error>::expect<rplidar_drv::prelude::ScanMode,rpos_drv::prelude::Error>
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\src\libcore\result.rs:960
15: rplidar::main
at .\src\main.rs:118
16: std::rt::lang_start::{{closure}}<()>
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\src\libstd\rt.rs:64
17: std::rt::lang_start_internal::{{closure}}
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\rt.rs:49
18: std::panicking::try::do_call<closure-0,i32>
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:292
19: panic_unwind::__rust_maybe_catch_panic
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libpanic_unwind\lib.rs:80
20: std::panicking::try
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panicking.rs:271
21: std::panic::catch_unwind
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\panic.rs:394
22: std::rt::lang_start_internal
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\/src\libstd\rt.rs:48
23: std::rt::lang_start<()>
at /rustc/4560ea788cb760f0a34127156c78e2552949f734\src\libstd\rt.rs:64
24: main
25: invoke_main
at d:\agent\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:78
26: __scrt_common_main_seh
at d:\agent\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288
27: BaseThreadInitThunk
28: RtlUserThreadStart
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
error: process didn't exit successfully: `target\debug\rplidar.exe COM6` (exit code: 101)

Edit: I updated the error message. I tried version 0.5.0 and 0.6.0 . Also, I tried to increase the timeout but it didn't make a difference.

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