MY-IMX6-EK200 Linux-4.1.15 測試手冊（3）

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【接上一章節(jié)MY-IMX6-EK200 Linux-4.1.15 測試手冊（2）】

10.2  ECSPI2 測試
位置：J7: 8,10
測試設(shè)備：/dev/spidev1.0
測試指令
# /my-demo/linux-4.1.15/MY_SPIDEV_TEST_L4115_MYIMX6A9.out -D /dev/spidev1.0   
  
spi mode: 0  
bits per word: 8  
max speed: 500000 Hz (500 KHz)  
  
FF FF FF FF FF FF   
40 00 00 00 00 95   
FF FF FF FF FF FF   
FF FF FF FF FF FF   
FF FF FF FF FF FF   
DE AD BE EF BA AD   
F0 0D

11  Watchdog 測試
11.1  超時(shí)復(fù)位測試
# /unit_tests/wdt_driver_test.out 10 15 1  
  
Starting wdt_driver (timeout: 10, sleep: 15, test: write)
Trying to set timeout value=10 seconds
The actual timeout was set to 10 seconds
Now reading back -- The timeout is 10 seconds


U-Boot 2016.03-svn270 (Oct 09 2018 - 14:44:15 +0800)

CPU:   Freescale i.MX6Q rev1.5 996 MHz (running at 792 MHz)
CPU:   Extended Commercial temperature grade (-20C to 105C) at 45C
Reset cause: WDOG
Board: MYZR i.MX6 Evaluation Kit

11.2  喂狗測試
# /unit_tests/wdt_driver_test.out 4 2 1 &  
  
[1] 748
Starting wdt_driver (timeout: 4, sleep: 2, test: write)
Trying to set timeout value=4 seconds
The actual timeout was set to 4 seconds
Now reading back -- The timeout is 4 seconds

12  RTC 測試
查看當(dāng)前系統(tǒng)時(shí)鐘
# date  
  
Wed Sep 26 00:27:45 UTC 2018
查看當(dāng)前RTC芯片時(shí)鐘
# hwclock   
  
Wed Sep 26 00:28:01 2018  0.000000 seconds
設(shè)置系統(tǒng)時(shí)鐘，并同步到RTC芯片
# date -s "2018-09-21 12:34:56"  
  
Fri Sep 21 12:34:56 UTC 2018  
將系統(tǒng)時(shí)鐘寫入硬件時(shí)鐘
# hwclock -w  
斷電重啟評估板
查看當(dāng)前系統(tǒng)時(shí)鐘
# date  
  
Fri Sep 21 12:36:11 UTC 2018  
查看當(dāng)前RTC芯片時(shí)鐘
# hwclock  
  
Fri Sep 21 12:36:16 2018  0.000000 seconds

13  定時(shí)喚醒測試
設(shè)定 10 秒后產(chǎn)生喚醒事件
# echo +10 > /sys/class/rtc/rtc1/wakealarm
使設(shè)備進(jìn)入
# echo mem > /sys/power/state
睡眠信息
PM: Syncing filesystems ... done.
Freezing user space processes ... (elapsed 0.001 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Suspending console(s) (use no_console_suspend to debug)
PM: suspend of devices complete after 59.213 msecs
PM: suspend devices took 0.060 seconds
PM: late suspend of devices complete after 1.004 msecs
PM: noirq suspend of devices complete after 1.031 msecs
Disabling non-boot CPUs ...
CPU1: shutdown
CPU2: shutdown
CPU3: shutdown
Enabling non-boot CPUs ...
CPU1 is up
CPU2 is up
CPU3 is up
PM: noirq resume of devices complete after 1.138 msecs
PM: early resume of devices complete after 1.136 msecs
PM: resume of devices complete after 116.878 msecs
PM: resume devices took 0.120 seconds
Restarting tasks ... done.
喚醒信息
(elapsed 0.012 seconds) done.
PM: suspend of devices complete after 693.963 msecs
PM: suspend devices took 0.700 seconds
PM: late suspend of devices complete after 2.419 msecs
PM: noirq suspend of devices complete after 2.303 msecs
Disabling non-boot CPUs ...
PM: noirq resume of devices complete after 1.402 msecs
PM: early resume of devices complete after 1.476 msecs
PM: resume of devices complete after 121.763 msecs
PM: resume devices took 0.130 seconds
Restarting tasks ... done.

14  音頻測試
14.1  播放音頻
# aplay /unit_tests/audio8k16S.wav   
  
Playing WAVE '/unit_tests/audio8k16S.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo

14.2  音頻錄音
錄音
# arecord -d 5 -f S16_LE -t wav foobar.wav  
播放錄音
# aplay foobar.wav

15  顯示屏(選配)測試
特別說明：
     當(dāng)U-Boot 版本u-boot-2016.03 svn315及以上   
     內(nèi)核 版本  linux-3.0.35  svn31及以上
                linux-3.14.52 svn369及以上
                linux-3.14.52 svn368及以上
     燒錄工具   MfgTool-MYIMX6A9-L* svn181及以上   
請參考《MY-IMX6-A9系列：顯示功能測試》進(jìn)行測試
一般情況下則按照如下方法測試
在系統(tǒng)啟動(dòng)過程中，可以看到 Linux 小企鵝和 OpenEmbedded 啟動(dòng)畫面。

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