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Pioneer600_code/LED/wiringPi/pwm.c

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+/* Buzzer.c
+ * you can build this like: 
+ * gcc -Wall Buzzer.c -o Buzzer -lwiringPi
+ * sudo ./Buzzer
+*/
+#include <stdio.h>
+#include<wiringPi.h>
+#include<softPwm.h>
+
+int led = 25;
+unsigned char i;
+
+int main()
+{
+	wiringPiSetup();
+	softPwmCreate(led,0,100);
+	while(1)
+	{
+		i += 5;
+		if (i > 100)i = 0;
+		softPwmWrite(led,i);
+		delay(200);
+	}
+}