[新增] 华清 源码

advio/ex3/test.c

@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include "vser.h"
+
+int main(int argc, char *argv[])
+{
+	int fd;
+	int ret;
+	unsigned int baud;
+	struct option opt = {8,1,1};
+	char rbuf[32] = {0};
+	char wbuf[32] = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
+
+	fd = open("/dev/vser0", O_RDWR | O_NONBLOCK);
+	if (fd == -1)
+		goto fail;
+
+	ret = read(fd, rbuf, sizeof(rbuf));
+	if (ret < 0)
+		perror("read");
+
+	ret = write(fd, wbuf, sizeof(wbuf));
+	if (ret < 0)
+		perror("first write");
+
+	ret = write(fd, wbuf, sizeof(wbuf));
+	if (ret < 0)
+		perror("second write");
+
+
+	close(fd);
+	exit(EXIT_SUCCESS);
+
+fail:
+	perror("ioctl test");
+	exit(EXIT_FAILURE);
+}
+