adc ��

blp — Tue, 08 Jun 2010 06:42:32 +0000

��Ҳ��ѧ��Ƚϲ��񣬲�֪��Բ��ԣ��㿴�°ɡ� ��DEVICE_NAME�ǡ�adctest��Գ��򿪵��ǡ�adcray��

soyo — Fri, 24 Jul 2009 01:15:51 +0000

զû��,��עing...

chase1011 — Mon, 09 Mar 2009 08:15:55 +0000

��Ϊ��, ��adc�ʹ��ͻ.

chase1011 — Mon, 09 Mar 2009 08:07:31 +0000

лл��,�ұȽϲ�, �ֳ��,�޷�Ӧ,��ҿ��.

kasim — Mon, 09 Mar 2009 06:57:47 +0000

[quote]��õ�8¥chase1011��2009-03-09 14:39�� : �Ƿ��ص� value ��ֵ��ô�õ�? [/quote] [s:14] C��Ի��֪ʶ, ��ȷ��÷�� [code] ret = read(fd,&value,sizeof(value)); if(ret !=sizeof(value) &nb ..

chase1011 — Mon, 09 Mar 2009 06:39:23 +0000

�Ƿ��ص� value ��ֵ��ô�õ�?

kasim — Mon, 09 Mar 2009 05:05:17 +0000

[code] ret = read(fd,value,sizeof value);[/code] read()ϵͳ��õ�� [code]ssize_t read(int fd, void *buf, size_t count);[/code]

chase1011 — Mon, 09 Mar 2009 04:55:13 +0000

��ڿ��Դ��,��ֻ�� Can't read adc : Bad address Can't read adc : Bad address Can't read adc : Bad address Can't [root@FriendlyARM plg]#

kasim — Mon, 09 Mar 2009 04:02:54 +0000

��غ��mknod /dev/adcray c 0, ȷ��Գ��Ҫ��/dev/adcray�ڵ��

chase1011 — Mon, 09 Mar 2009 02:27:57 +0000

��Գ�� int main(int argc,char **argv) { int fd; // int on; // int adc_no; int value; /*if(argc !=3 || sscanf(argv[1],"%d",&adc_no)!=1 || sscanf(argv[2],"%d,&on")!=1 || on<0||on>1||adc_no<0||a ..

chase1011 — Mon, 09 Mar 2009 02:25:25 +0000

��Ϊ�� ڿ��ʱ,adc��ʱ��û��, ��Լ��˼��,��һ��

chase1011 — Mon, 09 Mar 2009 02:24:04 +0000

#include #include #include #include #include #include #include #include #include #incl ..

kasim — Sun, 08 Mar 2009 06:02:18 +0000

��Դ��

adc ��������

adc ��