+#!/usr/bin/env python
+# -*- coding: iso-8859-15 -*-
+
+import struct
+from time import sleep
+from i2c import i2c_write_reg, i2c_read_reg
+
+
+def set_pwm(val):
+ i2c_write_reg(0x50, 0x1, struct.pack(">H", val))
+ i2c_write_reg(0x50, 0x3, struct.pack(">H", val))
+ i2c_write_reg(0x50, 0x5, struct.pack(">H", val))
+ i2c_write_reg(0x50, 0x7, struct.pack(">H", val))
+
+if __name__ == "__main__":
+ set_pwm(210)
+ sleep(3)
+ set_pwm(0)