[#6205] In Capacitance Touch testing, when touch board ,nothing show.
Submitted By: angelia wu
Open Date
2010-08-25 23:52:17 Close Date
2010-10-15 04:56:39
Priority:
Medium Assignee:
Bob Liu
Status:
Closed Fixed In Release:
N/A
Found In Release:
2010R1 Release:
Blackfin Linux:2010R1
Category:
N/A Board:
STAMP
Processor:
BF537 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: In Capacitance Touch testing, when touch board ,nothing show.
Details:
In Capacitance Touch testing, when touch board ,nothing show.
And when i reset AD7142, the follow error will happen.
ad714x_captouch 0-002c: I2C read error
Event: time 474846.605501, type 1 (Key), code 260 (Btn4), value 1
Event: time 474846.605517, -------------- Report Sync ------------
Hit any key to stop autoboot: 0
Using bfin_mac 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 = 4728487 (4826a7 hex)
## Booting kernel from Legacy Image at 01000000 ...
Image Name: bf537-2.6.34.5-ADI-2010R1-pre-sv
Created: 2010-08-26 3:31:30 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 4728423 Bytes = 4.5 MiB
Load Address: 00001000
Entry Point: 001ab684
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 001ab684
Linux version 2.6.34.5-ADI-2010R1-pre-svn9094 (test@uclinux41) (gcc version 4.3.5 (ADI-trunk/svn-4681) ) #108 Thu Aug 26 11:31:25 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: 64MB
Kernel Managed Memory: 64MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x0011cef0
rodata = 0x0011cef0-0x0017c6a0
bss = 0x0017d000-0x0018d5ac
data = 0x0018d5ac-0x001a0000
stack = 0x0019e000-0x001a0000
init = 0x001a0000-0x008c8000
available = 0x008c8000-0x03800000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 0
Blackfin support (C) 2004-2010 Analog Devices, Inc.
Compiled for ADSP-BF537 Rev 0.2
Blackfin Linux support by http://blackfin.uclinux.org/
Processor Speed: 500 MHz core clock and 125 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=25000000 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: 47784k/65536k RAM, (7328k init code, 1135k kernel code, 525k data, 1024k dma, 7740k reserved)
Hierarchical RCU implementation.
NR_IRQS:138
Configuring Blackfin Priority Driven Interrupts
console [ttyBF0] enabled, bootconsole disabled
console [ttyBF0] enabled, bootconsole disabled
Calibrating delay loop... 995.32 BogoMIPS (lpj=1990656)
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: 48 KB (35 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@7
i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc01400
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 93
io scheduler noop registered
io scheduler cfq registered (default)
bfin-uart: Blackfin serial driver
bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART
brd: module loaded
bfin_mii_bus: probed
bfin_mii_bus: Can't get IRQ 65535 (PHY)
bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=24)@sclk=125MHz)
bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1
ad714x_captouch 0-002c: found AD7142 captouch, rev:2
input: Unspecified device as /devices/virtual/input/input0
ad714x_captouch spi0.5: fail to detect AD714X captouch, read ID is ffff
rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0
i2c /dev entries driver
bfin-wdt: initialized: timeout=20 sec (nowayout=0)
TCP cubic registered
NET: Registered protocol family 17
rtc-bfin rtc-bfin: setting system clock to 1970-01-06 11:48:15 UTC (474495)
IP-Config: Complete:
device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,
host=bf537-stamp, domain=, nis-domain=(none),
bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=
dma_alloc_init: dma_page @ 0x0292c000 - 256 pages at 0x03f00000
Freeing unused kernel memory: 7328k 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 - https://www.analog.com/blackfin
Have a lot of fun...
BusyBox v1.16.2 (2010-08-26 11:29:23 CST) hush - the humble shell
root:/> PHY: 0:01 - Link is Up - 100/Full
root:/> modprobe ad7142.ko
modprobe: module ad7142.ko not found in modules.dep
root:/> event_test /dev/input/event0
Input driver version is 1.0.0
Input device ID: bus 0x18 vendor 0x0 product 0x7142 version 0x2
Input device name: "Unknown"
Supported events:
Event type 0 (Sync)
Event type 1 (Key)
Event code 257 (Btn1)
Event code 258 (Btn2)
Event code 259 (Btn3)
Event code 260 (Btn4)
Testing ... (interrupt to exit)
Follow-ups
--- Bob Liu 2010-09-13 06:56:00
fixed.
For ad7147 test we must set s4.2 on and other positions off.
and for ad7142 test the driver only support btn1-4.
--- angelia wu 2010-10-15 04:56:39
Now the case is ok and i closed it.
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
kernel.cap_touch.config application/x-config 37944 angelia wu
user.cap_touch.conig application/octet-stream 49083 angelia wu