/******************************************************************************
?*?@Filename?????:?system_SKY6610T.c
?*
?*?@Version??????:?V1.0
?*?@Subversion???:?$
?*?@Last?modified:?02/20/2017?9:12:34
?*?@Modified?by??:?Chen?Bo
?*
?*?@Brief????????:
?*
?*?Copyright?（C）?2017?SKYRELAY?Technology?co.Ltd?All?rights?reserved.
?*****************************************************************************/

#include?
#include?“SKY6610T.h“

uint32_t?cpu_clk?????=?SYS_CLK;???//33MHz
uint32_t?hclk????????=?（SYS_CLK?/?4）;
uint32_t?pclk????????=?（SYS_CLK?/?8）;
uint32_t?iclk????????=?（SYS_CLK?/?2）;
uint32_t?wdt_clk?????=?WDT_CLK;
uint32_t?rtc_clk?????=?RTC_CLK;

uint32_t?Caliber_Sysclk（void）
{
????uint32_t?cpu_clk;
????uint32_t?clb_val;
????uint32_t?dsrc_en?=?0;
????dsrc_en?=?（（SYSC->CLK_EN）?&?（SYSC_DSRC_EN_Msk））;
????if?（dsrc_en?==?0）
????{
????????SYSC->CLK_EN?|=?SYSC_DSRC_EN_Msk;?????????//enable?dsrc?module
????}
????SW_Delay_us（2000）;
????DSRC->DSRC_WAKEUP5?&=?~BIT2;
????SYSC->CALIB?|=?SYSC_CALIB_TRIGER_Msk;?????????//start?caliber
????SW_Delay_us（10）;??????????????????????????????//wait?10us
????clb_val?=?（SYSC->CALIB?&=?SYSC_CALIB_OUT_Msk）;
????cpu_clk?=?128000?*?clb_val;
????if?（dsrc_en?==?0）
????{
????????SYSC->CLK_EN?&=?~SYSC_DSRC_EN_Msk;????????//disable?dsrc?module
????}
????return?cpu_clk;
}

uint32_t?Caliber_32K_RC（void）
{
????uint32_t?cnt_val;
????uint32_t?ret_val;
????WDT_Reset（）;
????SysTick->LOAD?=?0xffffff;
????SysTick->VAL??=?0;
????WDT_Open（100?DIS_INTR）;
????SysTick->CTRL?=?SysTick_CTRL_CLKSOURCE_Msk?|?SysTick_CTRL_ENABLE_Msk;
????while?（!WDT_GET_INT_FLAG）;
????cnt_val?=?SysTick->VAL;
????WDT_Reset（）;
????ret_val?=?（hclk?*?16?/?（（0xffffff?-?cnt_val）?+?1））?*?100;?//16---WDT?count?16?step?every?counter?value
????return?ret_val;
}

uint32_t?SysGet_HCLKFreq（void）
{
????return?（（cpu_clk?*?（（（SYSC->CLK_DIV?&?SYSC_CPU_CLK_MULTI_Msk）?>>?SYSC_CPU_CLK_MULTI_Pos）?+?1））?/?（（SYSC->CLK_DIV?&?SYSC_CPU_CLK_DIV_Msk）?+?1））;
}

//num?void?System_Clock_Update（void）
{
????cpu_clk?????=?Caliber_Sysclk（）;
????hclk????????=?SysGet_HCLKFreq（）;
????pclk????????=?（hclk?/?2）;
????iclk????????=?（cpu_clk?/?2）;
}

void?Set_SysClk（uint8_t?u8Mul?uint8_t?u8Div）
{
????SET_SYSC_CLK（u8Mul?u8Div）;
????System_Clock_Update（）;
}

void?System_Reset（void）
{
????SYSC->RST?&=?（~SYSC_SYS_SRSTN_Msk）;
????SYSC->RST?|=?SYSC_SYS_SRSTN_Msk;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12756??2019-05-15?17:11??sw\FlashConifg\SKY6610T_Flash.flm

?????文件???????1227??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\arm_common_tables.h

?????文件?????255867??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\arm_math.h

?????文件??????32139??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cm0.h

?????文件??????39428??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cm0plus.h

?????文件??????98950??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cm3.h

?????文件?????108260??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cm4.h

?????文件??????21323??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cm4_simd.h

?????文件??????15924??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cmFunc.h

?????文件??????17305??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_cmInstr.h

?????文件??????40737??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_sc000.h

?????文件??????97329??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\CMSIS\Include\core_sc300.h

?????文件?????103050??2019-07-20?17:57??sw\SKY6610T_startup_cm0\Library\Device\SkyRelay\SKY6610T\Include\SKY6610T.h

?????文件???????2050??2019-07-20?17:57??sw\SKY6610T_startup_cm0\Library\Device\SkyRelay\SKY6610T\Include\system_SKY6610T.h

?????文件???????7837??2019-05-14?11:54??sw\SKY6610T_startup_cm0\Library\Device\SkyRelay\SKY6610T\Source\ARM\startup_SKY6610T.s

?????文件???????2452??2019-05-14?11:54??sw\SKY6610T_startup_cm0\Library\Device\SkyRelay\SKY6610T\Source\system_SKY6610T.c

?????文件???????2799??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\adc.h

?????文件????????829??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\delay.h

?????文件???????6867??2019-05-13?11:42??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\dsrc.h

?????文件???????3404??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\efc.h

?????文件??????19489??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\gpio.h

?????文件???????3776??2019-07-20?17:57??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\pmu.h

?????文件???????4414??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\pwm.h

?????文件???????4620??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\qtimer.h

?????文件???????1287??2019-07-20?17:57??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\rtc.h

?????文件???????1913??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\sm4.h

?????文件???????7948??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\spi.h

?????文件??????10627??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\tag.h

?????文件???????3622??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\uart.h

?????文件??????10655??2019-05-14?11:07??sw\SKY6610T_startup_cm0\Library\StdDriver\Include\usart.h

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