[#6196] I2C keypad driver testing over GPIO,when press 'B',it show 't'.other charactes show rightly.
Submitted By: angelia wu
Open Date
2010-08-19 23:54:05 Close Date
2010-08-29 23:44:50
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:
BF533 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 GPIO,when press 'B',it show 't'.other charactes show rightly.
Details:
I2C keypad driver testing over GPIO,when press 'B',it show 't'.other charactes show rightly.
the log as follow.
Hit any key to stop autoboot: 0
SMC91111: MAC 00:e0:22:fe:07:59
Using SMC91111-0 device
TFTP from server 10.100.4.174; our IP address is 10.100.4.50
Filename 'uImage'.
Load address: 0x1000000
Loading: #################################################################
#################################################################
#################################################################
#################################################################
##########
done
Bytes transferred = 3952336 (3c4ed0 hex)
## Booting kernel from Legacy Image at 01000000 ...
Image Name: bf533-2.6.34.4-ADI-2010R1-pre-sv
Created: 2010-08-20 3:40:04 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 3952272 Bytes = 3.8 MB
Load Address: 00001000
Entry Point: 0019ff90
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 0019ff90
Linux version 2.6.34.4-ADI-2010R1-pre-svn9082 (test@uclinux41) (gcc version 4.3.5 (ADI-trunk/svn-4681) ) #78 Fri Aug 20 11:39:59 CST 2010
register early platform devices
bootconsole [early_shadow0] enabled
bootconsole [early_BFuart0] enabled
early printk enabled on early_BFuart0
Limiting kernel memory to 56MB due to anomaly 05000263
Board Memory: 128MB
Kernel Managed Memory: 128MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x0011b250
rodata = 0x0011b250-0x00177618
bss = 0x00178000-0x0018841c
data = 0x0018841c-0x00198000
stack = 0x00196000-0x00198000
init = 0x00198000-0x0076c000
available = 0x0076c000-0x03800000
DMA Zone = 0x07f00000-0x08000000
Hardware Trace Active and Enabled
Boot Mode: 0
Blackfin support (C) 2004-2010 Analog Devices, Inc.
Compiled for ADSP-BF533 Rev 0.3
Blackfin Linux support by http://blackfin.uclinux.org/
Processor Speed: 497 MHz core clock and 82 MHz System Clock
NOMPU: setting up cplb tables
Instruction Cache Enabled for CPU0
External memory: cacheable in instruction cache
Data Cache Enabled for CPU0
External memory: cacheable (write-back) in data cache
Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14224
Kernel command line: root=/dev/mtdblock0 rw clkin_hz=11059200 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 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: 49176k/131072k RAM, (5968k init code, 1128k kernel code, 500k data, 1024k dma, 73276k reserved)
Hierarchical RCU implementation.
NR_IRQS:81
Configuring Blackfin Priority Driven Interrupts
console [ttyBF0] enabled, bootconsole disabled
console [ttyBF0] enabled, bootconsole disabled
Calibrating delay loop... 989.18 BogoMIPS (lpj=1978368)
Security Framework initialized
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: 64 KB (51 KB free)
NET: Registered protocol family 16
Blackfin DMA Controller
stamp_init(): registering device resources
bio: create slab <bio-0> at 0
bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@5
Switching to clocksource bfin_cs_cycles
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
msgmni has been set to 96
io scheduler noop registered
io scheduler cfq registered (default)
bfin-uart: Blackfin serial driver
bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 21) is a BFIN-UART
brd: module loaded
smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <nico@fluxnic.net>
eth0: SMC91C11xFD (rev 1) at 20300300 IRQ 40 [nowait]
eth0: Ethernet addr: 00:e0:22:fe:07:59
rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0
i2c /dev entries driver
i2c-gpio i2c-gpio.0: using pins 2 (SDA) and 3 (SCL)
bfin-wdt: initialized: timeout=20 sec (nowayout=0)
TCP cubic registered
NET: Registered protocol family 17
rtc-bfin rtc-bfin: setting system clock to 2014-11-14 02:34:20 UTC (1415932460)
eth0: link down
IP-Config: Complete:
device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,
host=bf533-stamp, domain=, nis-domain=(none),
bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=
dma_alloc_init: dma_page @ 0x026f9000 - 256 pages at 0x07f00000
Freeing unused kernel memory: 5968k freed
eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
_____________________________________
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 - https://www.analog.com/blackfin
Have a lot of fun...
BusyBox v1.16.2 (2010-08-20 10:12:26 CST) hush - the humble shell
root:/> modprobe pcf8574_keypad
input: pcf8574_keypad as /devices/virtual/input/input0
root:/> lsmod
Module Size Used by
pcf8574_keypad 1689 0
root:/> twikeypad_test -r
TWI Keypad Test Application
D
Entry was: 858888
Entry was: 889
Entry was: 57
Entry was: 1
Entry was: 2
Entry was: 3
Entry was: 4
Entry was: 5
Entry was: 8
Entry was: 9
Entry was: 6
Entry was: 8
Entry was: 1
Entry was: 7
Entry was: a
Entry was: t
Entry was: t
Entry was: c
Entry was: *
Entry was: 0
Entry was: #
Entry was: t
Entry was: 1
Entry was: 2
Entry was: 3
Entry was: 4
Entry was: 5
Entry was: 6
Entry was: 7
Entry was: 8
Entry was: 9
Entry was: t
Entry was: t
^C
root:/>
Follow-ups
--- steven miao 2010-08-24 00:18:09
twikeypad_test keymap mismatch
--- angelia wu 2010-08-29 23:44:50
yes ,it is twikeypad_test problem.
i test it again and now all is right.
so I closed it.
thank you steven miao.
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
user.533i2c_keyboard.config application/x-config 48829 angelia wu
kernel.533i2c_keyboard.config application/x-config 34455 angelia wu