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/*****************************************************************************
* @brief provide system init routine/configuration for NV32Fxx.
*
*******************************************************************************/
#include "common.h"
#include "sysinit.h"
#include "sim.h"
#include "uart.h"
#include "ics.h"
/********************************************************************/
uint16_t global_pass_count = 0;
uint16_t global_fail_count = 0;
void print_sys_log(void);
void UART_InitPrint(void);
/*****************************************************************************//*!
+FUNCTION----------------------------------------------------------------
* @function name: sysinit
*
* @brief initalize system including SIM, ICS, UART, etc
*
* @param none
*
* @return none
*
* @ Pass/ Fail criteria: none
*****************************************************************************/
void sysinit (void)
{
SIM_ConfigType sSIMConfig = {{0}, 0};
ICS_ConfigType sICSConfig = {0};
/* initialize the Pass/Fail counts to 0 */
global_pass_count = 0;
global_fail_count = 0;
EFMCR &= 0xFFFF0001; // set wait state 1
#if defined(TRIM_IRC)
/* if not trimmed, do trim first */
ICS_Trim(ICS_TRIM_VALUE);
#endif
/*
* Enable SWD pin, RESET pin
*/
/*
* NOTE: please make sure other register bits are also write-once and
* need add other bit mask here if needed.
*/
#if defined(SPI0_PINREMAP)
sSIMConfig.u32PinSel |= SIM_PINSEL_SPI0PS_MASK;
#endif
#if defined(OUTPUT_BUSCLK)
sSIMConfig.sBits.bEnableCLKOUT = 1; /* output bus clock if enabled */
#endif
#if defined(DISABLE_NMI)
sSIMConfig.sBits.bDisableNMI = 1;
#endif
#if !defined(CPU_NV32M3)
/* make sure clocks to peripheral modules are enabled */
sSIMConfig.u32SCGC |= SIM_SCGC_SWD_MASK | SIM_SCGC_FLASH_MASK |
SIM_SCGC_UART0_MASK | SIM_SCGC_UART1_MASK |
SIM_SCGC_UART2_MASK
;
#else
sSIMConfig.u32SCGC |= SIM_SCGC_SWD_MASK | SIM_SCGC_FLASH_MASK |
SIM_SCGC_UART0_MASK
;
#endif
#if !defined(CPU_NV32)
/* bus clock divided by 2 */
// sSIMConfig.u32BusDiv |= SIM_CLKDIV_OUTDIV2_MASK;
#endif
// sSIMConfig.sBits.bBusDiv |= SIM_BUSDIV_BUSDIV_MASK;
SIM_Init(&sSIMConfig); /* initialize SIM */
#if defined(XOSC_STOP_ENABLE)
sICSConfig.oscConfig.bStopEnable = 1; /* enabled in stop mode */
#endif
#if defined(CRYST_HIGH_GAIN)
sICSConfig.oscConfig.bGain = 1; /* high gain */
#endif
#if (EXT_CLK_FREQ_KHZ >=4000)
sICSConfig.oscConfig.bRange = 1; /* high range */
#endif
sICSConfig.oscConfig.bEnable = 1; /* enable OSC */
sICSConfig.u32ClkFreq = EXT_CLK_FREQ_KHZ;
#if defined(USE_FEE)
sICSConfig.u8ClkMode = ICS_CLK_MODE_FEE;
#elif defined(USE_FBE_OSC)
sICSConfig.u8ClkMode = ICS_CLK_MODE_FBE_OSC;
#elif defined(USE_FEE_OSC)
sICSConfig.u8ClkMode = ICS_CLK_MODE_FEE_OSC;
#elif defined(USE_FBILP)
sICSConfig.u8ClkMode = ICS_CLK_MODE_FBILP;
#elif defined(USE_FBELP)
sICSConfig.u8ClkMode = ICS_CLK_MODE_FBELP;
#endif
ICS_Init(&sICSConfig); /* initialize ICS */
}
void NMI_Handler(void)
{
while(1);
}
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