void hardware_init(void) {
/* enable clock for PORTs */
CLOCK_SYS_EnablePortClock(PORTA_IDX);
CLOCK_SYS_EnablePortClock(PORTC_IDX);
/* Init board clock */
BOARD_ClockInit();
configure_lpuart_pins(0);
}
void hardware_init(void) {
/* enable clock for PORTs */
CLOCK_SYS_EnablePortClock(PORTA_IDX);
CLOCK_SYS_EnablePortClock(PORTB_IDX);
CLOCK_SYS_EnablePortClock(PORTC_IDX);
/* Init board clock */
BOARD_ClockInit();
// Change clock mode, core clock = 48MHz, bus clock = 24MHz.
CLOCK_HAL_SetFeeMode(MCG, kMcgOscselRtc, 0U, kMcgDmx32Fine, kMcgDcoRangeSelMid, fllStableDelay);
CLOCK_SYS_SetOutDiv(0U, 0U, 0U, 1U);
configure_lpuart_pins(BOARD_DEBUG_UART_INSTANCE);
}
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();
//Configure flexio clock src and pin mux
CLOCK_SYS_SetFlexioSrc(0,(clock_flexio_src_t)1);
configure_flexio_pins(0,5); /*FLEXIO pin 5 simulated as UART TX*/
configure_flexio_pins(0,4); /*FLEXIO pin 4 simulated as UART RX*/
//Configure lpuart pin mux
configure_lpuart_pins(1);
}
/*!
* \cond DOXYGEN_PRIVATE
* \brief Pre initialization - initializing requested modules for basic run of MQX.
*/
int _bsp_pre_init(void)
{
uint32_t result;
/******************************************************************************
Init gpio platform pins for LEDs, setup board clock source
******************************************************************************/
/* Macro PEX_MQX_KSDK used by PEX team */
#ifndef PEX_MQX_KSDK
hardware_init();
/* Configure PINS for default UART instance */
#if defined(BOARD_USE_LPSCI)
configure_lpsci_pins(BOARD_DEBUG_UART_INSTANCE);
#elif defined(BOARD_USE_LPUART)
configure_lpuart_pins(BOARD_DEBUG_UART_INSTANCE);
#elif defined(BOARD_USE_UART)
configure_uart_pins(BOARD_DEBUG_UART_INSTANCE);
#else
#error Default serial module is unsupported or undefined.
#endif
#endif
#if MQX_EXIT_ENABLED
extern void _bsp_exit_handler(void);
/* Set the bsp exit handler, called by _mqx_exit */
_mqx_set_exit_handler(_bsp_exit_handler);
#endif
result = _psp_int_init(BSP_FIRST_INTERRUPT_VECTOR_USED, BSP_LAST_INTERRUPT_VECTOR_USED);
if (result != MQX_OK) {
return result;
}
/******************************************************************************
Init MQX tick timer
******************************************************************************/
/* Initialize , set and run system hwtimer */
result = HWTIMER_SYS_Init(&systimer, &BSP_SYSTIMER_DEV, BSP_SYSTIMER_ID, NULL);
if (kStatus_OSA_Success != result) {
return MQX_INVALID_POINTER;
}
/* Set isr for timer*/
if (NULL == OSA_InstallIntHandler(BSP_SYSTIMER_INTERRUPT_VECTOR, HWTIMER_SYS_SystickIsrAction))
{
return kHwtimerRegisterHandlerError;
}
/* Set interrupt priority */
NVIC_SetPriority(BSP_SYSTIMER_INTERRUPT_VECTOR, MQX_TO_NVIC_PRIOR(BSP_SYSTIMER_ISR_PRIOR));
/* Disable interrupts to ensure ticks are not active until call of _sched_start_internal */
_int_disable();
result = HWTIMER_SYS_SetPeriod(&systimer, BSP_ALARM_PERIOD);
if (kStatus_OSA_Success != result) {
HWTIMER_SYS_Deinit(&systimer);
return MQX_INVALID_POINTER;
}
result = HWTIMER_SYS_RegisterCallback(&systimer,(hwtimer_callback_t)_time_notify_kernel, NULL);
if (kStatus_OSA_Success != result) {
HWTIMER_SYS_Deinit(&systimer);
return MQX_INVALID_POINTER;
}
result = HWTIMER_SYS_Start(&systimer);
if (kStatus_OSA_Success != result) {
HWTIMER_SYS_Deinit(&systimer);
return MQX_INVALID_POINTER;
}
/* Initialize the system ticks */
_time_set_ticks_per_sec(BSP_ALARM_FREQUENCY);
_time_set_hwticks_per_tick(HWTIMER_SYS_GetModulo(&systimer));
_time_set_hwtick_function(_bsp_get_hwticks, (void *)NULL);
return MQX_OK;
}
