4) 應用程序測試。

復制驅(qū)動的程序，buzzer_test(驅(qū)動源程序),include(頭文件)并編譯。輸入內(nèi)容及執(zhí)行情況如下：

5) 連通網(wǎng)絡：

查看開發(fā)板的ip地址。

root@fire /$ ifconfig

can0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00

UP RUNNING NOARP MTU:16 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:10

RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

Interrupt:142

can1 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00

UP RUNNING NOARP MTU:16 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:10

RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

Interrupt:143

eth0 Link encap:Ethernet HWaddr DC:07:C1:01:26:A9

inet addr:192.168.154.71 Bcast:192.168.154.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:1211 errors:0 dropped:0 overruns:0 frame:0

TX packets:203 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:132973 (129.8 Kb) TX bytes:19446 (18.9 Kb)

通訊測試：

root@fire /$ ping 192.168.154.30

PING 192.168.154.30 (192.168.154.30): 56 data bytes

64 bytes from 192.168.154.30: seq=0 ttl=64 time=4.658 ms

64 bytes from 192.168.154.30: seq=1 ttl=64 time=0.584 ms

64 bytes from 192.168.154.30: seq=2 ttl=64 time=0.520 ms

64 bytes from 192.168.154.30: seq=3 ttl=64 time=0.499 ms

64 bytes from 192.168.154.30: seq=4 ttl=64 time=0.510 ms

64 bytes from 192.168.154.30: seq=5 ttl=64 time=0.514 ms

可以用ifconfig eth0 192.168.154.71來臨時修改開發(fā)板的IP地址，也可以在開發(fā)板上電時，通過setenv方式來修改IP地址等信息。兩者的區(qū)別在于再次給開發(fā)板上電時，前者的ip參數(shù)不會被保留，后者會保存下來。現(xiàn)在以后者為例來進行修改，注意與主機的ubuntu地址在同一網(wǎng)段內(nèi)。方法如下視圖。

MX6Q QIYANG U-Boot > printenv

bootdelay=3

baudrate=115200

ethaddr=08:00:3e:26:0a:5b

netmask=255.255.255.0

loadaddr=0x10800000

rd_loadaddr=(0x1300000)

netdev=eth0

ethprime=FEC0

uboot=u-boot.bin

kernel=uImage

NFSroot=/opt/eldk/arm

bootargs_NFS=setenv bootargs ${bootargs} root=/dev/NFS ip=dhcp NFSroot=${serverip}:${NFSroot},v3,tcp

bootcmd_net=run bootargs_base bootargs_NFS; tftpboot ${loadaddr} ${kernel}; bootm

bootcmd_mmc=run bootargs_base bootargs_mmc; mmc dev 3; mmc read ${loadaddr} 0x800 0x2500; bootm

bootcmd=run bootcmd_mmc

loadkernel=tftp ${kernel};mmc dev 3;mmc erase 0x800# 0x2000; mmc write ${loadaddr} 0x800 0x2500

machid=0xF94

ethact=FEC0

bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk0p1 rootwait rw video=mxcfb0:dev=ldb,1024x600M@60,if=RGB666 ldb=sin0 video=mxcfb1:dev=lcd

bootargs_base=setenv bootargs console=ttymxc0,115200 fec_mac=DC:07:C1:01:26:A9

ipaddr=192.168.154.71

serverip=192.168.154.30

stdin=serial

stdout=serial

stderr=serial

Environment size: 937/8188 bytes