EmbLogic's Blog

Author Archives: Ritu Bagla

toolchain and usb status

in toolchain : done binutils,kernel,gcc… now doing glibc….. in usb driver : done notifier and usb generic….. now doing probe function…

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facing problem in allocating memory for new quantum after lseek

ssize_t scull_write ( struct file *filp, const char __user *buffer, size_t count , loff_t *offset) { struct ScullDev *lsculldev; struct ScullQset *lscullqset; int noq, nobsw,start_q,lcount,lv,ret; int nobtw,noq_f,index,new_pos; nobtw = count; index = noq_f = 0; lcount = noq = nobsw … Continue reading →

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character drivers

reading/writing for mutiple quantum , reading/writing for different application , trimming , mutiple threaded application without using semaphore, lssek for linear quantum had done

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LKM

done four steps of initialization function………

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drivers

implemented 1st lkm…. and chatting on 2 pc using inet….multiple client server using UNIX ….. and threads….

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Implementing ipcs

done single client server for socket (inet and unix)……..facing problem in multiple clients…. done 2way chatting using socket and msg queue……now implementing threads…….

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