Writing drivers in C#

Simply you can’t. C# produces intermediate language that is interpreted by a virtual machine (.NET). All these stuff runs in user mode and WDM drivers run in kernel mode. There is a DDK but it is not supported in VStudio either (but you can make a makefile project for compilation though). Driver development is complex, … Read more

Control USB port’s power?

You can’t simply toggle pins on a USB port. Period. USB is a serial protocol. The connector contains Power. The Host can control the power lines as it can cut the power in case of overload. This is something done by the USB host driver, which means the driver of the host adapter in the … Read more

Difference between database drivers and database dialects

This question is not ambiguous , i think it should be answered correctly. We often use Dialect and Drivers to connect a certain application with a certain database management system. For example : in grails / java We define a Dialect property to connect to mysql as having one of this types MySQL5Dialect, MySQLInnoDBDialect, MySQLMyISAMDialect … Read more

Unit testing device drivers

In the old days, that was how we tested and debugged device drivers. The very best way to debug such a system was for engineers to use the embedded system as a development system and—once adequate system maturity was reached— take away the original cross-development system! For your situation, several approaches come to mind: Add … Read more

What is the difference between FIQ and IRQ interrupt system?

ARM calls FIQ the fast interrupt, with the implication that IRQ is normal priority. In any real system, there will be many more sources of interrupts than just two devices and there will therefore be some external hardware interrupt controller which allows masking, prioritization etc. of these multiple sources and which drives the interrupt request … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)