FAQ: [#6200] I2C keypad driver testing over twi,when press 'B',it show 't'.other charactes show rightly.(2010)

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[#6200] I2C keypad driver testing over twi,when press 'B',it show 't'.other charactes show rightly.

Submitted By: angelia wu

Open Date

2010-08-23 06:51:16     Close Date

2010-08-29 23:42:30

Priority:

Medium     Assignee:

steven miao

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2010R1     Release:

Blackfin Linux:2010R1

Category:

N/A     Board:

N/A

Processor:

BF548     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

svn-4681

App binary format:

N/A     

Summary: I2C keypad driver testing over twi,when press 'B',it show 't'.other charactes show rightly.

Details:

 

keyboard testing on bf548-ezkit, when press key "B",it will show "t",other key can show rightly.

 

 

Hit any key to stop autoboot:  0

smc911x: initializing

smc911x: detected LAN9218 controller

smc911x: phy initialized

smc911x: MAC 00:e0:22:fe:bd:b8

Using smc911x-0 device

TFTP from server 10.100.4.174; our IP address is 10.100.4.50

Filename 'uImage'.

Load address: 0x1000000

Loading: T #################################################################

         #################################################################

         #################################################################

         #################################################################

         #################################################################

         #######################################

done

Bytes transferred = 5334594 (516642 hex)

## Booting kernel from Legacy Image at 01000000 ...

   Image Name:   bf548-2.6.34.5-ADI-2010R1-pre-sv

   Created:      2010-08-23  10:28:40 UTC

   Image Type:   Blackfin Linux Kernel Image (gzip compressed)

   Data Size:    5334530 Bytes =  5.1 MB

   Load Address: 00001000

   Entry Point:  0027a8b4

   Verifying Checksum ... OK

   Uncompressing Kernel Image ... OK

Starting Kernel at = 0027a8b4

Linux version 2.6.34.5-ADI-2010R1-pre-svn9094 (test@uclinux41) (gcc version 4.3.5 (ADI-trunk/svn-4681) ) #92 Mon Aug 23 18:28:33 CST 2010

register early platform devices

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart1] enabled

early printk enabled on early_BFuart1

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x0019cb50

  rodata    = 0x0019cb50-0x002322a8

  bss       = 0x00233000-0x0024a22c

  data      = 0x0024a22c-0x00268000

    stack   = 0x00266000-0x00268000

  init      = 0x00268000-0x009e7000

  available = 0x009e7000-0x03e00000

  DMA Zone  = 0x03e00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 1

Reset caused by Software reset

Blackfin support (C) 2004-2010 Analog Devices, Inc.

Compiled for ADSP-BF548 Rev 0.2

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 525 MHz core clock and 131 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

  External memory: cacheable in instruction cache

  L2 SRAM        : uncacheable in instruction cache

Data Cache Enabled for CPU0

  External memory: cacheable (write-through) in data cache

  L2 SRAM        : uncacheable in data cache

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 15748

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=25000000 earlyprintk=serial,uart1,57600 console=ttyBF1,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:f

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 52780k/65536k RAM, (7676k init code, 1646k kernel code, 814k data, 2048k dma, 572k reserved)

Hierarchical RCU implementation.

NR_IRQS:295

Configuring Blackfin Priority Driven Interrupts

Console: colour dummy device 80x25

console [ttyBF1] enabled, bootconsole disabled

console [ttyBF1] enabled, bootconsole disabled

Calibrating delay loop... 1046.52 BogoMIPS (lpj=2093056)

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (42 KB free)

Blackfin L2 SRAM: 128 KB (128 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezkit_init(): registering device resources

bio: create slab <bio-0> at 0

SCSI subsystem initialized

spi spi0.2: Warning: SPI CPHA not set: Slave Select not under software control!

See Documentation/blackfin/bfin-spi-notes.txt

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@4

bfin-spi bfin-spi.1: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc02300, dma channel@5

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc00700

i2c-bfin-twi i2c-bfin-twi.1: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc02200

musb_hdrc: version 6.0, musb-dma, host, debug=0

musb_hdrc musb_hdrc.0: MUSB HDRC host driver

musb_hdrc musb_hdrc.0: new USB bus registered, assigned bus number 1

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 1 port detected

musb_hdrc musb_hdrc.0: USB Host mode controller at ffc03c00 using DMA, IRQ 82

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

Slow work thread pool: Starting up

Slow work thread pool: Ready

msgmni has been set to 103

io scheduler noop registered (default)

bf54x-lq043: FrameBuffer initializing...

dma_alloc_init: dma_page @ 0x029d9000 - 512 pages at 0x03e00000

Console: switching to colour frame buffer device 80x24

bfin-otp: initialized

bfin-uart: Blackfin serial driver

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 48) is a BFIN-UART

brd: module loaded

register bfin atapi driver

scsi0 : pata-bf54x

ata1: PATA max UDMA/66 irq 68

physmap platform flash device: 02000000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Using buffer write method

Using auto-unlock on power-up/resume

cfi_cmdset_0001: Erase suspend on write enabled

RedBoot partition parsing not available

Using physmap partition information

Creating 3 MTD partitions on "physmap-flash.0":

0x000000000000-0x000000040000 : "bootloader(nor)"

0x000000040000-0x000000440000 : "linux kernel(nor)"

0x000000440000-0x000001000000 : "file system(nor)"

m25p80 spi0.1: m25p16 (2048 Kbytes)

Creating 2 MTD partitions on "m25p80":

0x000000000000-0x000000040000 : "bootloader(spi)"

0x000000040000-0x000000200000 : "linux kernel(spi)"

BF5xx on-chip NAND FLash Controller Driver, Version 1.2 (c) 2007 Analog Devices, Inc.

bf5xx-nand bf5xx-nand.0: data_width=8, wr_dly=3, rd_dly=3

NAND device: Manufacturer ID: 0x20, Chip ID: 0xda (ST Micro NAND 256MiB 3,3V 8-bit)

Creating 2 MTD partitions on "NAND 256MiB 3,3V 8-bit":

0x000000000000-0x000000400000 : "linux kernel(nand)"

0x000000400000-0x000010000000 : "file system(nand)"

smsc911x: Driver version 2008-10-21.

ata1.00: ATA-7: FUJITSU MHW2040AT, 0000000B, max UDMA/100

ata1.00: 78140160 sectors, multi 16: LBA

smsc911x-mdio: probed

eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1)

net eth0: MAC Address: 00:e0:22:fe:bd:b8

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

ata1.00: configured for UDMA/66

blk_queue_max_segments: set to minimum 1

scsi 0:0:0:0: Direct-Access     ATA      FUJITSU MHW2040A 0000 PQ: 0 ANSI: 5

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

sd 0:0:0:0: [sda] 78140160 512-byte logical blocks: (40.0 GB/37.2 GiB)

sd 0:0:0:0: [sda] Write Protect is off

i2c /dev entries driver

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

sda:

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 1970-01-07 19:26:01 UTC (588361)

sda1 sda2

sd 0:0:0:0: [sda] Attached SCSI disk

net eth0: SMSC911x/921x identified at 0x24000000, IRQ: 175

IP-Config: Complete:

     device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

     host=bf548-ezkit, domain=, nis-domain=(none),

     bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 7676k freed

                           _____________________________________

        a8888b.           / Welcome to the uClinux distribution \

       d888888b.         /       _     _                         \

       8P"YP"Y88        /       | |   |_|            __  __ (TM)  |

       8|o||o|88  _____/        | |    _ ____  _   _ \ \/ /       |

       8'    .88       \        | |   | |  _ \| | | | \  /        |

       8`._.' Y8.       \       | |__ | | | | | |_| | /  \        |

      d/      `8b.       \      \____||_|_| |_|\____|/_/\_\       |

     dP   .    Y8b.       \   For embedded processors including   |

    d8:'  "  `::88b        \    the Analog Devices Blackfin      /

   d8"         'Y88b        \___________________________________/

  :8P    '      :888

   8a.   :     _a88P         For further information, check out:

._/"Yaa_:   .| 88P|            - http://blackfin.uclinux.org/

\    YP"    `| 8P  `.          - http://docs.blackfin.uclinux.org/

/     \.___.d|    .'           - http://www.uclinux.org/

`--..__)8888P`._.'  jgs/a:f    - http://www.analog.com/blackfin

 

Have a lot of fun...

 

 

BusyBox v1.16.2 (2010-08-23 17:51:15 CST) hush - the humble shell

 

root:/>

 

 

 

root:/> modprobe pcf8574_keypad

input: pcf8574_keypad as /devices/virtual/input/input0

root:/> twikeypad_test -r

TWI Keypad Test Application

 

Entry was: 1

 

Entry was: 2

 

Entry was: 3

 

Entry was: a

 

Entry was: 4

 

Entry was: 5

 

Entry was: 6

 

Entry was: t

 

Entry was: 7

 

Entry was: 8

 

Entry was: 9

 

Entry was: c

 

Entry was: *

 

Entry was: 0

 

Entry was: #

 

^C

root:/>

 

Follow-ups

 

--- steven miao                                              2010-08-24 00:19:58

twikeypad_test keymap mismatch, same as [#6196]

 

--- angelia wu                                               2010-08-29 23:42:30

yes ,it is twikeypad_test problem.

I test this case again and found now all characters on keypad can show

rightly.

So i closes it.

Thank you steven miao.

 

 

 

    Files

    Changes

    Commits

    Dependencies

    Duplicates

    Associations

    Tags

 

File Name     File Type     File Size     Posted By

kernel.548twi_key.config    application/x-config    45538    angelia wu

user.548twi_key.config    application/x-config    49072    angelia wu

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