forked from SZV10X_Software/SZV103_FM33A0xxEV_SiZhu

jinlicong
2024-05-16 5ac1d0febb8de5e91ce2463baea68ddac3f66091
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#include "define_all.h"  
#include "gpio.h"
 
#define RCLP_TRIM (uint8_t)(*(uint32_t *)0X1FFFFB20UL)
 
//УÑé¼Ä´æÆ÷
unsigned char CheckSysReg( __IO uint32_t *RegAddr, uint32_t Value )
{
    if( *RegAddr != Value ) 
    {
        *RegAddr = Value;
        return 1;
    }
    else
    {
        return 0;
    }
}
 
//²éѯNVIC¼Ä´æÆ÷¶ÔÓ¦ÏòÁ¿ºÅÖжÏÊÇ·ñ´ò¿ª
//1 ´ò¿ª
//0 ¹Ø±Õ
unsigned char CheckNvicIrqEn( IRQn_Type IRQn )
{
    if( 0 == ( NVIC->ISER[0U] & ((uint32_t)(1UL << (((uint32_t)(int32_t)IRQn) & 0x1FUL)))) )
        return 0;
    else
        return 1;
}
 
 
 
void IWDT_Clr(void)
{
  IWDT ->SERV =0x12345A5A;
}
 
void IWDT_Init(void)
{
    CMU_PERCLK_SetableEx(IWDTCLK, ENABLE); 
    IWDT->CFGR = 0x06;  //ÖÜÆÚ2S£¬ÐÝÃß2S    
        IWDT_Clr();                  //Çåϵͳ¿´ÃŹ·    
}
 
 
//ϵͳʱÖÓÅäÖÃ
//ʹÓÃXTHF×öÖ÷ʱÖÓ,define_all.h ÖÐSYSCLKdefºê¿ØÖÆÏµÍ³Ê±ÖÓÆµÂÊ
void Init_SysClk(void)
{
    uint32_t i=0;
    CMU_SYSCLK_InitTypeDef SYSCLK_InitStruct;
        
    CMU_PERCLK_SetableEx(PADCLK, ENABLE);  //PADʱÖÓ£¨GPIO£©Ê¹Äܺ¯Êý
    AnalogIO(GPIOF,GPIO_Pin_1); //¸ù¾ÝÊÖ²á9.4¿É֪ʹÄÜXTHF֮ǰÐ轫PF1ºÍPF2ÉèÖÃΪģÄ⹦ÄÜ
    AnalogIO(GPIOF,GPIO_Pin_2);
    
     //ʹÄÜXTHF
    CMU_XTHFCR_XTHFEN_Setable(ENABLE); //ʹÄÜXTHF
    CMU_XTHFCR_XTHF_CFG_Set(CMU_XTHFCR_XTHF_CFG_MAX); //Õñµ´Ç¿¶ÈÑ¡Ôñ×îÇ¿
    delay_ms(5);//ÆðÕñÐèҪʱ¼ä
    
//    /*ϵͳʱÖÓ³¬¹ý24MºóÐèÒª´ò¿ªwait*/
//    FLS_RDCR_WAIT_Set(FLS_RDCR_WAIT_2CYCLE);
//    IWDT_Clr();
    CMU_IER_HFDET_IE_Setable(ENABLE); //Æô¶¯XTHFÍ£Õ𱨾¯ÖжÏ
    //ϵͳʱÖÓÖ±½ÓʹÓÃXTHF
    while(!CMU_ISR_HFDETO_Chk())
    {
        if(i>=6400)   //³¬Ê±Éè¼Æ£¬¸ù¾ÝÖ÷ʱÖÓÑ¡Ôñ²»Í¬Öµ£¬Àý³ÌÊÇ8M
        {
            break;         
        }
        i++;            
    }
    
    
    SYSCLK_InitStruct.SYSCLKSEL =  CMU_SYSCLKCR_SYSCLKSEL_XTHF;    //Ñ¡ÔñXTHF×öÖ÷ʱÖÓ£¨Íⲿ¸ßËÙ12Mhz£©
    SYSCLK_InitStruct.AHBPRES =    CMU_SYSCLKCR_AHBPRES_DIV1;        //AHB²»·ÖƵ
    SYSCLK_InitStruct.APBPRES =   CMU_SYSCLKCR_APBPRES_DIV1;        //APB1²»·ÖƵ
    SYSCLK_InitStruct.SLP_ENEXTI = ENABLE;//ÐÝÃßģʽʹÄÜÍⲿÖжϲÉÑù    
    CMU_SysClk_Init(&SYSCLK_InitStruct);
    delay_init(SYSCLOCK_U);
}
 
void Init_RCHF(void)
{
    CMU_RCHF_InitTypeDef RCHF_InitStruct;
 
    RCHF_InitStruct.FSEL = SYSCLKdef;//define_all.h ÖÐSYSCLKdefºê¿ØÖÆÏµÍ³Ê±ÖÓÆµÂÊ
    RCHF_InitStruct.RCHFEN = ENABLE;//´ò¿ªRCHF
 
    CMU_RCHF_Init(&RCHF_InitStruct);
 
    CMU_Init_RCHF_Trim(clkmode);//RCHFÕñµ´Æ÷Ð£×¼ÖµÔØÈë(оƬ¸´Î»ºó×Ô¶¯ÔØÈë8MµÄУ׼ֵ)£¬Ö»Êǵ÷УRCHF³£Î¾«¶È  
}
 
void Init_RCLP(void)
{
    CDIF->CR = 0X0A;
    VRTC->RCLPTR = RCLP_TRIM;
    CDIF->CR = 0X05;
}
    
void Init_SysClk_Gen( void )                //ʱÖÓÑ¡ÔñÏà¹Ø
{          
    /*ϵͳʱÖÓ³¬¹ý24MºóÐèÒª´ò¿ªwait*/
    if( RCHFCLKCFG > 24 )
    {
        FLS_RDCR_WAIT_Set(FLS_RDCR_WAIT_1CYCLE);
        if( RCHFCLKCFG > 48)  
        {
            FLS_RDCR_WAIT_Set(FLS_RDCR_WAIT_2CYCLE);
        }
    } 
    else 
    {
        FLS_RDCR_WAIT_Set(FLS_RDCR_WAIT_0CYCLE);
    }    
 
    Init_RCHF();
    Init_RCLP();
    /*ϵͳʱÖÓÅäÖÃ*/
    Init_SysClk();    
}
 
 
void CMU_IRQHandler(void)
{
 uint8_t i = 0;
}
 
void SysWakeUp_ClockCfg(void)
{
    uint32_t i=0;
    CMU_SYSCLK_InitTypeDef SYSCLK_InitStruct;
     //ʹÄÜXTHF
    CMU_XTHFCR_XTHFEN_Setable(ENABLE); //ʹÄÜXTHF
    CMU_XTHFCR_XTHF_CFG_Set(CMU_XTHFCR_XTHF_CFG_MAX); //Õñµ´Ç¿¶ÈÑ¡Ôñ×îÇ¿
    delay_ms(3);//ÆðÕñÐèҪʱ¼ä
    
//    /*ϵͳʱÖÓ³¬¹ý24MºóÐèÒª´ò¿ªwait*/
//    FLS_RDCR_WAIT_Set(FLS_RDCR_WAIT_2CYCLE);
//    IWDT_Clr();
    CMU_IER_HFDET_IE_Setable(ENABLE); //Æô¶¯XTHFÍ£Õ𱨾¯ÖжÏ
    //ϵͳʱÖÓÖ±½ÓʹÓÃXTHF
    while(!CMU_ISR_HFDETO_Chk())
    {
        if(i>=6400)   //³¬Ê±Éè¼Æ£¬¸ù¾ÝÖ÷ʱÖÓÑ¡Ôñ²»Í¬Öµ£¬Àý³ÌÊÇ8M
        {
            break;         
        }
        i++;            
    }
    
    SYSCLK_InitStruct.SYSCLKSEL =  CMU_SYSCLKCR_SYSCLKSEL_XTHF;    //Ñ¡ÔñXTHF×öÖ÷ʱÖÓ£¨Íⲿ¸ßËÙ12Mhz£©
    SYSCLK_InitStruct.AHBPRES =    CMU_SYSCLKCR_AHBPRES_DIV1;        //AHB²»·ÖƵ
    SYSCLK_InitStruct.APBPRES =   CMU_SYSCLKCR_APBPRES_DIV1;        //APB1²»·ÖƵ
    SYSCLK_InitStruct.SLP_ENEXTI = ENABLE;//ÐÝÃßģʽʹÄÜÍⲿÖжϲÉÑù    
    CMU_SysClk_Init(&SYSCLK_InitStruct);
    delay_init(SYSCLOCK_U);
}