void drv8308_init(void)
{
	
	write_data(0x00,0b10010001,0b00100011);
	write_data(0x01,0,35);
	write_data(0x02,3,180);
	write_data(0x03,0b01101000,0b00000000);	//MOD120
	write_data(0x04,0b01000010,0b01000111);
	write_data(0x05,0b00110000,0b00000111);	//SPDGAIN
	write_data(0x06,0b10000100,0b10110001);
	write_data(0x07,0b00000011,0b10111010);
	write_data(0x08,0b00000001,0b00101100);
	write_data(0x09,0b00000010,0b01001110);
	write_data(0x0a,0b11110000,0b01100100);	//LOOPGAIN
	//write_data(0x0a,0b11110100,0b01100100);	//LOOPGAIN»ô¶ûÒ»Ö±´øµç
//	write_data(0x0b,0b00000000,0b11111111);	//SPEED
	write_data(0x2a,0x00,0x00);