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RSB-4210 User Manual 90
ioctl(fd, WDIOC_SETOPTIONS, &options);
The following options are available:
WDIOS_DISABLECARDTurn off the watchdog timer
WDIOS_ENABLECARDTurn on the watchdog timer
WDIOS_TEMPPANICKernel panic on temperature trip
More detail please reference "source/linux-2.6.35.3/Documentation/watchdog/watch-
dog-api.txt"
3.11.9 Audio
3.11.9.1 Kernel Configuration
To enable ALSA support you need at least to build the kernel with primary sound card
support (CONFIG_SOUND). Since ALSA can emulate OSS, you don't have to
choose any of the OSS modules.
Enable "OSS API emulation" (CONFIG_SND_OSSEMUL) and both OSS mixer and
PCM supports if you want to run OSS applications with ALSA.
If you want to support the WaveTable functionality on cards such as SB Live! then
you need to enable "Sequencer support" (CONFIG_SND_SEQUENCER).
To make ALSA debug messages more verbose, enable the "Verbose printk" and
"Debug" options. To check for memory leaks, turn on "Debug memory" too. "Debug
detection" will add checks for the detection of cards.
Please note that all the ALSA ISA drivers support the Linux isapnp API (if the card
supports ISA PnP). You don't need to configure the cards using isapnptools.
3.11.9.2 Creating ALSA Devices
This depends on your distribution, but normally you use the /dev/MAKEDEV script to
create the necessary device nodes. On some systems you use a script named 'snd-
devices'.
3.11.9.3 Module Parameters
The user can load modules with options. If the module supports more than one card
and you have more than one card of the same type then you can specify multiple val-
ues for the option separated by commas.
More detail please reference "source/linux-2.6.35.3/Documentation/sound/alsa/
ALSA-Configuration.txt"
3.11.10Keypad/Touchscreen
3.11.10.1Introduction
This is a collection of drivers that is designed to support all input devices under Linux.
While it is currently used only on for USB input devices, future use (say 2.5/2.6) is
expected to expand to replace most of the existing input system, which is why it lives
in drivers/input/ instead of drivers/usb/.
The centre of the input drivers is the input module, which must be loaded before any
other of the input modules - it serves as a way of communication between two groups
of modules:
A. Device drivers
- User Manual 1
- RSB-4210 Evaluation 1
- Copyright 2
- Acknowledgements 2
- Product Warranty (2 years) 2
- Packing List 3
- Safety Instructions 4
- Contents 5
- Chapter 1 9
- 1.1 Introduction 10
- 1.2 Features 10
- Chapter 1 Overview 11
- 1.4 Board Block Diagram 12
- Chapter 2 13
- Chapter 2 H/W Installation 15
- RSB-4210 User Manual 8 16
- 2.2 RSB-4210 Connectors 18
- RSB-4210 User Manual 12 20
- 1 RS485_TXD- 2 RS485_TXD+ 20
- 2.2.19 SIM Card slot (CN20) 32
- Figure 2.30 SATA Connector 36
- (AUDIO1) 40
- 2.3 Mechanical 42
- RSB-4210 User Manual 36 44
- Chapter 3 45
- 3.1 Introduction 46
- 3.2 Package Content 46
- 3.2.2 Source Code Package 47
- 3.4 Building Instructions 50
- 3.5 Source Code Modification 51
- 3.5.2 Changing the Boot Logo 52
- 45 RSB-4210 User Manual 53
- 3.7 Debug Message 54
- 47 RSB-4210 User Manual 55
- RSB-4210 User Manual 48 56
- 49 RSB-4210 User Manual 57
- RSB-4210 User Manual 50 58
- 3.9.1 Auto Mode 59
- 3.9.2 Bypass Mode 59
- Table 3.3: Auto Parameters 61
- 3.10.1 What is a GPIO? 62
- 3.10.2 Paths in Sysfs 63
- RSB-4210 User Manual 56 64
- 3.10.3 GPIO Mapping Table 65
- 3.11.1 I2C 65
- 3.11.2 C example 65
- RSB-4210 User Manual 58 66
- 59 RSB-4210 User Manual 67
- RSB-4210 User Manual 60 68
- 3.11.3 UART 69
- RSB-4210 User Manual 62 70
- 63 RSB-4210 User Manual 71
- RSB-4210 User Manual 64 72
- 65 RSB-4210 User Manual 73
- RSB-4210 User Manual 66 74
- 67 RSB-4210 User Manual 75
- RSB-4210 User Manual 68 76
- 69 RSB-4210 User Manual 77
- RSB-4210 User Manual 70 78
- 3.11.4 CAN bus 79
- RSB-4210 User Manual 72 80
- 73 RSB-4210 User Manual 81
- RSB-4210 User Manual 74 82
- 75 RSB-4210 User Manual 83
- RSB-4210 User Manual 76 84
- 77 RSB-4210 User Manual 85
- 3.11.6 LAN 86
- 3.11.7 RTC 86
- 79 RSB-4210 User Manual 87
- RSB-4210 User Manual 80 88
- 81 RSB-4210 User Manual 89
- RSB-4210 User Manual 82 90
- 83 RSB-4210 User Manual 91
- RSB-4210 User Manual 84 92
- 85 RSB-4210 User Manual 93
- 3.11.8 WatchDog 94
- 87 RSB-4210 User Manual 95
- RSB-4210 User Manual 88 96
- 89 RSB-4210 User Manual 97
- 3.11.9 Audio 98
- 3.11.10Keypad/Touchscreen 98
- 91 RSB-4210 User Manual 99
- RSB-4210 User Manual 92 100
- 93 RSB-4210 User Manual 101
- RSB-4210 User Manual 94 102
- 3.12 Backlight Adjustment 103
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