#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¿ØÖÆϵͳʱÖÓƵÂÊ
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¿ØÖÆϵͳʱÖÓƵÂÊ
  RCHF_InitStruct.RCHFEN = ENABLE;  // ´ò¿ªRCHF

  CMU_RCHF_Init(&RCHF_InitStruct);

  CMU_Init_RCHF_Trim(clkmode); // RCHFÕñµ´Æ÷У׼ֵÔØÈë(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);
}