USB Mouse with Scroll Wheel

Dear All, I want to write a HID Mouse Driver using LPC2148 controller. I re-worked on the example given by Keil HID and was able to detect the board as USB Mouse. This mouse has only three buttons...
USB Mouse with Scroll Wheel

Dear All, I want to write a HID Mouse Driver using LPC2148 controller. I re-worked on the example given by Keil HID and was able to detect the board as USB Mouse. This mouse has only three buttons...
EPSON 812A Character wheel printer driver

HI everyone: I have receive a new project with EPSON 812A Character wheel printer,but I don't know how to control it with C51,and also I can not understand its working way.Can you help me?
EPSON 812A Character wheel printer driver

HI everyone: I have receive a new project with EPSON 812A Character wheel printer,but I don't know how to control it with C51,and also I can not understand its working way.Can you help me?
Creating personal libraries

Hi, I would like to know if its possible to create my own function librairies and to distribute them without sending the source code. My client would like some of my functions but I don't want him...