/* This function is used to config the etu param.  */
void wm_sc_set_etu(uint16_t etu)
/* This function is used to config the etu param.  */
void wm_sc_set_etu(uint16_t etu)
{
	uint32_t reg;
	reg = tls_reg_read32(HR_UART2_BAUD_RATE_CTRL);
	reg &= ~ 0xFFFF;
	reg |= etu;
	tls_reg_write32(HR_UART2_BAUD_RATE_CTRL, reg);}