@toitlang
github.com/toitlang/toit/
Joined October 2018
  • Tweets103
  • Following12
  • Followers181
20Media
Add BLAKE2S crypto hash support. Start BLE services in one go. Improve BLE resource management. Add 'close' to the BLE adapter. Fix RMT on esp32s3 (and other variants). github.com/toitlang/toit/rel…

Release v2.0.0-alpha.147 · toitlang/toit

Add BLAKE2S crypto hash support. Start BLE services in one go. Improve BLE resource management. Add 'close' to the BLE adapter. Fix RMT on esp32s3 (and other variants).

github.com
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How to analyze an out-of-memory situation on an ESP32 running Toit. blog.toit.io/get-insight-int…

Get insight into memory use on your ESP32 running Toit

One advantage of running a virtual machine on an ESP32 is that the VM can provide ways to inspect the state of the system. For example, the…

medium.com
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Add reader.do --lines [block]. Fix byte-array size checks in firmware-copy primitive. Fix subtle GC issues with TLS buffers. Fix toitdoc generation for packages. Fix yaml text starting with Q. Fix yaml indented blocks. Fix yaml implicit keys. github.com/toitlang/toit/rel…
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Add 'toit pkg' and 'toit snapshot' commands. Don't use tasks to wait for services to appear. Handle 'werror' when doing 'toit.compile --analyze'. Stream JSON and YAML output onto a Writer. Change close-X to mark-closed on io.Reader and io.Writer. github.com/toitlang/toit/rel…

Release v2.0.0-alpha.145 · toitlang/toit

Add 'toit pkg' and 'toit snapshot' commands. Don't use tasks to wait for services to appear. Handle 'werror' when doing 'toit.compile --analyze'. Make it possibl...

github.com
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Introduce new io library. Optimize getting size of builtin collections. Avoid spinning up too many native threads on host platforms. Avoid lock contention on scavenge on host platforms. Start to bring back the toit executable. Roll esp-idf to latest v5.0. github.com/toitlang/toit/rel…

Release v2.0.0-alpha.144 · toitlang/toit

Introduce new 'io' library. Optimize garbage collections by avoiding monotonic clock usage. Optimize getting size of builtin collections. Avoid spinning up too many native threads on host p...

github.com
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The Toit Language retweeted
Erik@erikcorry21 Mar 2024
Compare the simple and wrong syntax with the correct but verbose syntax: a = [[]] * 4 b = [ [] for _ in range(4) ] In Toit you pass a block (small fn introduced with a colon) to the List constructor. c := List 4: []
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Reverse engineering executables written in Toit. blog.toit.io/exploring-toit-…

Exploring Toit executables

I recently developed a small command-line tool called ai, utilizing OpenAI on the command line. Although there are many similar tools…

medium.com
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Going to ban this space-less function call. We need this syntax for raw strings.
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Artemis, the fleet management solution for IoT devices. blog.toit.io/artemis-1f7f139…

Artemis

Fleet management for ESP32 devices

medium.com
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infoworld.com/article/371320…

White House urges developers to dump C and C++

Biden administration calls for developers to embrace memory-safe programing languages and move away from those that cause buffer overflows and other memory access vulnerabilities.

infoworld.com
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The Toit Language retweeted
Raveesh Agarwal@raveesh_me6 Jan 2024
Took an immense amount of self discipline and focus, so yesterday ends(at 1am today) with an esp32 running a @toitlang container with capacitive moisture sensor sending moisture levels every 3 seconds to a local mqtt broker on a raspberry Pi which I can look at through my phone.
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Implementing Yaml in Toit. linkedin.com/pulse/yaml-mikk…

YAML

About my recent head-to-head with YAML. I have always hated YAML.

linkedin.com
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Syntax colouring for me on @github 😁 blog.toit.io/syntax-highligh…

Syntax highlighting for Toit

Syntax highlighting is one of these things one doesn’t really notice until it’s missing. And we have been missing it a lot …

medium.com
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Looks like we picked the right day to have a PNG reader that's 100% written in a memory safe language. pkg.toit.io/package/github.c…
Oxide Computer Company
@oxidecomputer6 Dec 2023
Looks like we picked the right day to not have UEFI -- or a BIOS for that matter arstechnica.com/security/202…

Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack

UEFIs booting Windows and Linux devices can be hacked by malicious logo images.

arstechnica.com
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The Toit Language retweeted
Erik@erikcorry30 Nov 2023
On the device (an @m5stack).
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The Toit Language retweeted
Erik@erikcorry28 Nov 2023
New version of @toitlang's pixel_display library is getting sliders. We have PNG support, but no PNGs were used here, just gradients like the ones we know from the web.
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Version v2.0.0-alpha 118 is released with support for weak maps and watchdog timers. github.com/toitlang/toit/rel…

Release v2.0.0-alpha.118 · toitlang/toit

Add support for weak maps. Add support for watchdog timers. Add an option to the uncompressed zlib encoder. Improve finalizer handling. Improve OOM message to include UUID of processes. Make Zlib R...

github.com
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The Toit Language retweeted
DPTechnics@DPTechnics2 Nov 2023
Our friends from @toitlang have just released a new tutorial for Walter, our powerful ESP32-S3 development board with LTE-M, NB-IoT, and GNSS. docs.toit.io/tutorials/netwo… Going to launch soon on @crowd_supply. 🙌crowdsupply.com/dptechnics/w…💪 #Walter #IoT #Toit #IoTDevelopment
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Looks like I'm getting weak maps, but not with the JavaScript semantics. In JavaScript WeakMap the key keeps the value alive, but when the key is collected by the GC, the key-value pair are removed from the map, and the value may become GC-able.
Erik@erikcorry25 Oct 2023
I decided I needed a weakly retaining hash map for my latest #toitlang project. It can be used to cache values that can be recalculated. The values can be nulled out during GC if the objects are not reachable in other ways and there is memory pressure. github.com/toitlang/toit/pul…

Weak maps by erikcorry · Pull Request #1937 · toitlang/toit

Adds weak maps, which have their values turned to null if the values are not otherwise reachable in a mark sweep GC. These can be used for caching difficult calculations without causing out-of-memo...

github.com
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In the Toit weak map proposal the lifetime of the key is not relevant, so it can be a string or an int, but the value can be automatically removed from the map if it is not otherwise reachable and we need the memory.
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