1、SYS.C程序解释#include <stm32f10x_lib.h> #include "sys.h"/设置向量表偏移地址/NVIC_VectTab:基址/Offset:偏移量/CHECK OK/091207void MY_NVIC_SetVectorTable(u32 NVIC_VectTab, u32 Offset) /检查参数合法性assert_param(IS_NVIC_VECTTAB(NVIC_VectTab);assert_param(IS_NVIC_OFFSET(Offset); SCB->...
Sys_Standby函数用来是STM32进入待机模式,在该模式下,STM32所消耗的功率最低。 //进入待机模式voidSys_Standby(void) { SCB->SCR|=1<<2;//使能SLEEPDEEP位 (SYS->CTRL)RCC->APB1ENR|=1<<28;//使能电源时钟PWR->CSR|=1<<8;//设置WKUP用于唤醒PWR->CR|=1<<2;//清除Wake-up 标志PWR->CR|=1<<...
SW是STM32的SYSCLK切换开关。从图中可以看出，SYSCLK的来源可以是3个：HSI、PLLCLK和HSE，⼀般选择PLLCLK作为SYSCLK，最⼤为72MHz ③SYSTICK（系统滴答时钟）从图中可以看出，来源是AHB分频后再8分频，⼀般设置AHB不分频，所以SYSTICK的频率就等于SYSCK/8 ④PCLK1 PCLK1是APB1总线上外设的时钟，最⼤为...
LITE_OS_SEC_TEXT_INITUINT32OsTickTimerInit(VOID){UINT32ret;UINT32intSave;HWI_PROC_FUNCtickHandler=(HWI_PROC_FUNC)OsTickHandler;g_sysTickTimer=LOS_SysTickTimerGet();//获取tick的结构体,该结构体中存在tick的所有操作if((g_sysTickTimer->init==NULL)||(g_sysTickTimer->reload==NULL)||(g_sy...
stm32_sys原理图
power: reset: at91-sama5d2_shdwc: fix wkupdbc mask of/fdt: Make sure no-map does not remove already reserved regions fdt: Properly handle “no-map” field in the memory region mfd: bd9571mwv: Use devm_mfd_add_devices() dmaengine: hsu: disable spurious interrupt dmaengine: owl-dma: ...
Linux Kernel 4.19.70 Release Linux Kernel 4.9.60 Release Linux Kernel 5.4.72 Release Linux Kernel: cifs: release auth_key.response for reconnect Release Notes For Linux v2.0 Linux Kernel: Add support for using a MAX3421E chip as a host driver ...
Sys_Standby函数用来是STM32进入待机模式,在该模式下,STM32所消耗的功率最低。 //进入待机模式voidSys_Standby(void) { SCB->SCR|=1<<2;//使能SLEEPDEEP位 (SYS->CTRL)RCC->APB1ENR|=1<<28;//使能电源时钟PWR->CSR|=1<<8;//设置WKUP用于唤醒PWR->CR|=1<<2;//清除Wake-up 标志PWR->CR|=1<...
Sys_Standby函数用来是STM32进入待机模式,在该模式下,STM32所消耗的功率最低。 //进入待机模式voidSys_Standby(void) { SCB->SCR|=1<<2;//使能SLEEPDEEP位 (SYS->CTRL)RCC->APB1ENR|=1<<28;//使能电源时钟PWR->CSR|=1<<8;//设置WKUP用于唤醒PWR->CR|=1<<2;//清除Wake-up 标志PWR->CR|=1<...