czz88 — Sat, 13 Apr 2013 05:15:40 +0000

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czz88 — Tue, 09 Apr 2013 13:30:55 +0000

void Form1::SlotOpen() { ledfd = open("/dev/ledCard", O_RDWR); if(ledfd <= 0) { printf("error:led ctl card not exist"); return; } }

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