Comments on: Project 05: Character Device Driver https://www.emblogic.com/blog/11/project-05-character-device-driver/ Embedded System and ARM Training Mon, 07 Oct 2013 04:00:03 +0000 hourly 1 http://wordpress.org/?v=3.9.1 By: sushant https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3918 Tue, 16 Apr 2013 11:11:33 +0000 http://emblogic.org/blog/?p=5628#comment-3918 Successfully implemented ioctl.

]]> By: nikhil.raheja https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3601 Tue, 29 Jan 2013 12:21:12 +0000 http://emblogic.org/blog/?p=5628#comment-3601 implemented till ioctl

]]> By: jasmeen.kaur https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3600 Tue, 29 Jan 2013 12:20:44 +0000 http://emblogic.org/blog/?p=5628#comment-3600 implemented till iocl. working on timing and measurement

]]> By: maninderjeet singh https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3306 Tue, 08 Jan 2013 14:00:31 +0000 http://emblogic.org/blog/?p=5628#comment-3306 WARNING: at fs/proc/generic.c:586 proc_register+0xff/0x1e0()
[ 8514.650694] Hardware name: Latitude E5500
[ 8514.650696] proc_dir_entry ‘/proc/proc3′ already registered
[ 8514.650697] Modules linked in: device_driver(O+) vfat fat usb_storage fuse ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_CHECKSUM iptable_mangle bridge stp llc sunrpc cpufreq_ondemand acpi_cpufreq mperf capi kernelcapi btusb bluetooth snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd dell_wmi sparse_keymap iTCO_wdt soundcore snd_page_alloc joydev iTCO_vendor_support dell_laptop rfkill dcdbas tg3 i2c_i801 microcode virtio_net kvm sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t yenta_socket wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: device_driver]
[ 8514.650746] Pid: 5894, comm: insmod Tainted: G W O 2.6.43.8-1.fc15.i686.PAE #1

error in proc entry ….my lkm showing that proc entry is already registered …and kernel going to crash again and again ……

]]> By: maninderjeet singh https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3273 Mon, 31 Dec 2012 06:24:02 +0000 http://emblogic.org/blog/?p=5628#comment-3273 STATUS : PrOJECT 6:
i have implemented scull write function that my 39 byte data successfully entered into 5 quantums and showing proper dressing………………

now implementing scull read function and lseek function

]]> By: maninderjeet singh https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3250 Mon, 24 Dec 2012 11:16:53 +0000 http://emblogic.org/blog/?p=5628#comment-3250 project 6 character driver.
project status
successfully implemented scull open .
currently working on writing to scull memory.

]]> By: Suresh kumar https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3237 Thu, 20 Dec 2012 12:40:30 +0000 http://emblogic.org/blog/?p=5628#comment-3237 Successfully implement the spinlock for 4 applications .
In it first of all we define header file , declare pointer type variable in sculldev structure , initialize it after the cdev initialization .Made write and read functio in critical section lock in the write and unlock in the read function.

]]> By: nishank https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3194 Sat, 15 Dec 2012 08:52:23 +0000 http://emblogic.org/blog/?p=5628#comment-3194 i have successfully implemented character driver initalization and cleanup……also used module_param() macro to give run time argument….

]]> By: ashish.dahiya https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3181 Thu, 13 Dec 2012 10:21:43 +0000 http://emblogic.org/blog/?p=5628#comment-3181 DAILY WORK STATUS:

Introduction to character driver

1. driver insertion by insmod and deletion by rmmod is done successfully.
2. Also used moduleparam() macro for taking runtime arguments.
3.Used #define macro for prink system call…..

]]> By: satbeer singh https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3180 Thu, 13 Dec 2012 10:20:46 +0000 http://emblogic.org/blog/?p=5628#comment-3180 character driver insertion and clean up complete

]]> By: ashish dahiya https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3179 Thu, 13 Dec 2012 10:20:25 +0000 http://emblogic.org/blog/?p=5628#comment-3179 DAILY WORK STATUS:

Introduction to character driver

1. driver insertion by insmod and deletion by rmmod is done successfully.
2. Also used moduleparam() macro for taking runtime arguments.
3.Used #define macro for prink system call…..

]]> By: Rishi kumar https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3178 Thu, 13 Dec 2012 10:18:37 +0000 http://emblogic.org/blog/?p=5628#comment-3178 daily work status
character driver initalization and cleanup successfully implement……

]]> By: ashish dahiya https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3177 Thu, 13 Dec 2012 10:17:53 +0000 http://emblogic.org/blog/?p=5628#comment-3177 DAILY WORK STATUS:

Introduction to character driver

1. driver insertion by insmod and deletion by rmmod is done successfully.
2. Also used moduleparam() macro for taking runtime arguments.
3.Used #define macro for prink system call…..

]]> By: balpreet singh https://www.emblogic.com/blog/11/project-05-character-device-driver/#comment-3169 Wed, 12 Dec 2012 20:25:10 +0000 http://emblogic.org/blog/?p=5628#comment-3169 successfully implemented read and write operations .

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