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【接上一章节明远智睿MY-IMX6-EK200 Linux-4.1.15 测试手册（1）】
8.2 UART3位置：J1:11,13 设备：/dev/ttymxc2 测试指令 # /my-demo/linux-4.1.15/MY_SERIAL_TEST_L4115_MYIMX6A9.out /dev/ttymxc2"www.myzr.com.cn"
Welcome to TTYtest
Send test data------ read char is w read char is w read char is w read char is . read char is m read char is y read char is z read char is r read char is . read char is c read char is o read char is m read char is . read char is c read char is n
8.3 UART4位置：J1:15,17 设备：/dev/ttymxc3 测试指令 # /my-demo/linux-4.1.15/MY_SERIAL_TEST_L4115_MYIMX6A9.out /dev/ttymxc3 "www.myzr.com.cn"
Welcome to TTYtest
Send test data------ read char is w read char is w read char is w read char is . read char is m read char is y read char is z read char is r read char is . read char is c read char is o read char is m read char is . read char is c read char is n
8.4 UART5位置：J1:16,18 设备：/dev/ttymxc4 测试指令 # /my-demo/linux-4.1.15/MY_SERIAL_TEST_L4115_MYIMX6A9.out /dev/ttymxc4 "www.myzr.com.cn"
Welcome to TTYtest
Send test data------ read char is w read char is w read char is w read char is . read char is m read char is y read char is z read char is r read char is . read char is c read char is o read char is m read char is . read char is c read char is n
9 CAN 测试测试准备
将CAN1的CAN_L与CAN2的CAN_L连接；将CAN1的CAN_H与CAN2的CAN_H连接。 配置 CAN1 (can0) # ip link set can0 up type can bitrate 125000 配置 CAN2 (can1) # ip link set can1 up type can bitrate 125000 CAN1 (can0) 后台接收 # candump can0 & CAN2 (can1) 发送数据 # cansend can1 1F334455＃1122334455667788
10 SPI测试10.1 ECSPI1 测试位置：J7:7,9 测试设备：/dev/spidev0.1 测试指令 # /my-demo/linux-4.1.15/MY_SPIDEV_TEST_L4115_MYIMX6A9.out -D /dev/spidev0.0
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
10.2 ECSPI2 测试位置：J7: 8,10 测试设备：/dev/spidev1.0 测试指令 # /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 测试11.1 超时复位测试# /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 喂狗测试# /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 测试查看当前系统时钟 # date
Wed Sep 26 00:27:45 UTC 2018 查看当前RTC芯片时钟 # hwclock
Wed Sep 26 00:28:01 2018 0.000000 seconds 设置系统时钟，并同步到RTC芯片 # date -s "2018-09-21 12:34:56"
Fri Sep 21 12:34:56 UTC 2018 将系统时钟写入硬件时钟 # hwclock -w 断电重启评估板 查看当前系统时钟 # date
Fri Sep 21 12:36:11 UTC 2018 查看当前RTC芯片时钟 # hwclock
Fri Sep 21 12:36:16 2018 0.000000 seconds
【下章节为明远智睿MY-IMX6-EK200 Linux-4.1.15 测试手册（3）】
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