[avr-gcc-list] Problem to control S1D13305 (SED1335-Epson Controller) with using ATmega32

hi, I am trying to control S1D13305 (SED1335-Epson Controller) based Graphic LCD with using AVR ATmega32 microcontroller. I have written the demo code in c language for it in AVRStudio4. The problem is i am not getting any output on LCD. I have read the datasheet of SED1335 many times but i can

[avr-gcc-list] problem in a3977 + avr micro stepping motor control driving

Hello friends, I m working on a3977 micro stepping motor driver to control stepper motor from www.allegromicro.com with avr microcontroller. In this, i m not able to change the micro stepping resolution for three modes as shown below: MS1 MS2 Resolution L LFull step