[新增] 华清 源码

examples/ex5/test.c

@@ -0,0 +1,45 @@
+#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 "fspwm.h"
+#include "music.h"
+
+#define ARRAY_SIZE(a)	(sizeof(a) / sizeof(a[0]))
+
+int main(int argc, char *argv[])
+{
+	int i;
+	int fd;
+	int ret;
+	unsigned int freq;
+
+	fd = open("/dev/pwm", O_RDWR);
+	if (fd == -1)
+		goto fail;
+
+	ret = ioctl(fd, FSPWM_START);
+	if (ret == -1)
+		goto fail;
+
+	for (i = 0; i < ARRAY_SIZE(HappyNewYear); i++) {
+		ret = ioctl(fd, FSPWM_SET_FREQ, HappyNewYear[i].pitch);
+		if (ret == -1)
+			goto fail;
+		usleep(HappyNewYear[i].dimation);
+	}
+
+	ret = ioctl(fd, FSPWM_STOP);
+	if (ret == -1)
+		goto fail;
+
+	exit(EXIT_SUCCESS);
+fail:
+	perror("pwm test");
+	exit(EXIT_FAILURE);
+}
+