void hardware_init(void) {
/* enable clock for PORTs */
CLOCK_SYS_EnablePortClock(PORTA_IDX);
CLOCK_SYS_EnablePortClock(PORTC_IDX);
CLOCK_SYS_EnablePortClock(PORTD_IDX);
CLOCK_SYS_EnablePortClock(PORTE_IDX);
/* Init board clock */
BOARD_ClockInit();
dbg_uart_init();
/*Set Flexio clock source*/
CLOCK_HAL_SetLircCmd(MCG, true);
CLOCK_HAL_SetLircSelMode(MCG,kMcgliteLircSel2M);
CLOCK_SYS_SetFlexioSrc(0U, kClockFlexioSrcMcgIrClk);
configure_flexio_pins(0U,4U);/*if enable TX output to check IRDA encode data waveform--PTD4 */
configure_flexio_pins(0U,5U); /*if enable RX output to check IRDA decode waveform--PTD5 */
configure_flexio_pins(0U,6U); /*IRDA RX pin -- PTD6 */
configure_flexio_pins(0U,7U); /*IRDA TX pin -- PTD7 */
configure_cmp_pins(0U); /*CMP out as Flexio trigger source if enabled*/
}
/*FUNCTION******************************************************************************
*
* Functon name : CLOCK_SYS_SetMcgliteMode
* Description : Set MCG_Lite to some mode.
* This function transitions the MCG_lite to some mode according to configuration
* parameter.
*
*END***********************************************************************************/
mcglite_mode_error_t CLOCK_SYS_SetMcgliteMode(mcglite_config_t const *targetConfig)
{
uint32_t outFreq = 0U;
mcglite_mode_error_t ret = kMcgliteModeErrNone;
assert(targetConfig->mcglite_mode < kMcgliteModeStop);
/* MCG_LITE mode change. */
switch (targetConfig->mcglite_mode)
{
case kMcgliteModeLirc8M:
ret = CLOCK_HAL_SetLircMode(MCG,
kMcgliteLircSel8M,
targetConfig->fcrdiv,
&outFreq);
break;
case kMcgliteModeLirc2M:
ret = CLOCK_HAL_SetLircMode(MCG,
kMcgliteLircSel2M,
targetConfig->fcrdiv,
&outFreq);
break;
case kMcgliteModeExt:
ret = CLOCK_HAL_SetExtMode(MCG, &outFreq);
break;
default:
ret = CLOCK_HAL_SetHircMode(MCG, &outFreq);
break;
}
/* Set other registers. */
if (kMcgliteModeErrNone == ret)
{
/* Enable HIRC when MCG_LITE is not in HIRC mode. */
CLOCK_HAL_SetHircCmd(MCG, targetConfig->hircEnableInNotHircMode);
/* Enable IRCLK. */
CLOCK_HAL_SetLircCmd(MCG, targetConfig->irclkEnable);
CLOCK_HAL_SetLircStopCmd(MCG, targetConfig->irclkEnableInStop);
/* Set IRCS. */
CLOCK_HAL_SetLircSelMode(MCG, targetConfig->ircs);
/* Set LIRC_DIV2. */
CLOCK_HAL_SetLircDiv2(MCG, targetConfig->lircDiv2);
}
return ret;
}
