b011e2b8c7
* IRQ handling got updated previously to a non-functional state when both callbacks were registered (it'd fire a fall callback for both rise and fall events). With this update, that faulty behaviour is corrected. Due to delays between the detection of the edge and the handling of the interrupt (and the fact that information about which edge you received on the pin is not stored anywhere), there is no way to be absolutely sure which edge got triggered on the pin. Therefore, we make a best-guess effort by looking at the pin state at the time of IRQ handling, and fire a callback as if that was the end state of the event. This will usually work out fine, except in cases were the signal is toggling faster than the IRQ handler's response time. In that case, a user won't get both callbacks (as expected for a pulse), but only the last event. * Stripped some dead code. |
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| LICENSE | ||
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| README.md | ||
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README.md
Arm Mbed OS is an open source embedded operating system designed specifically for the "things" in the Internet of Things. It includes all the features you need to develop a connected product based on an Arm Cortex-M microcontroller, including security, connectivity, an RTOS and drivers for sensors and I/O devices.
Mbed OS provides a platform that includes:
- Security foundations.
- Cloud management services.
- Drivers for sensors, I/O devices and connectivity.
Release notes
The release notes detail the current release. You can also find information about previous versions.
Getting started for developers
We have a developer website for asking questions, engaging with others, finding information on boards and components, using an online IDE and compiler, reading the documentation and learning about what's new and what's coming next in Mbed OS.
Getting started for contributors
We also have a contributing and publishing guide that covers licensing, contributor agreements and style guidelines.