133 lines
4.5 KiB
C
133 lines
4.5 KiB
C
#ifndef _SYS_H
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#define _SYS_H
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#include "stm32f4xx.h"
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//////////////////////////////////////////////////////////////////////////////////
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//本程序只供学习使用，未经作者许可，不得用于其它任何用途
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//ALIENTEK STM32F429开发板
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//系统时钟初始化
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//包括时钟设置/中断管理/GPIO设置等
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//正点原子@ALIENTEK
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//技术论坛:www.openedv.com
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//创建日期:2015/6/10
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//版本：V1.0
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//版权所有，盗版必究。
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//Copyright(C) 广州市星翼电子科技有限公司 2014-2024
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//All rights reserved
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//********************************************************************************
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//修改说明
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//无
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//////////////////////////////////////////////////////////////////////////////////
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//0,不支持os
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//1,支持os
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#define SYSTEM_SUPPORT_OS 0 //定义系统文件夹是否支持OS
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///////////////////////////////////////////////////////////////////////////////////
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//定义一些常用的数据类型短关键字
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typedef int32_t s32;
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typedef int16_t s16;
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typedef int8_t s8;
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typedef const int32_t sc32;
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typedef const int16_t sc16;
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typedef const int8_t sc8;
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typedef __IO int32_t vs32;
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typedef __IO int16_t vs16;
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typedef __IO int8_t vs8;
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typedef __I int32_t vsc32;
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typedef __I int16_t vsc16;
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typedef __I int8_t vsc8;
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typedef uint32_t u32;
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typedef uint16_t u16;
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typedef uint8_t u8;
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typedef const uint32_t uc32;
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typedef const uint16_t uc16;
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typedef const uint8_t uc8;
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typedef __IO uint32_t vu32;
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typedef __IO uint16_t vu16;
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typedef __IO uint8_t vu8;
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typedef __I uint32_t vuc32;
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typedef __I uint16_t vuc16;
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typedef __I uint8_t vuc8;
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//位带操作,实现51类似的GPIO控制功能
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//具体实现思想,参考<<CM3权威指南>>第五章(87页~92页).M4同M3类似,只是寄存器地址变了.
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//IO口操作宏定义
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#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2))
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#define MEM_ADDR(addr) *((volatile unsigned long *)(addr))
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#define BIT_ADDR(addr, bitnum) MEM_ADDR(BITBAND(addr, bitnum))
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//IO口地址映射
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#define GPIOA_ODR_Addr (GPIOA_BASE+20) //0x40020014
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#define GPIOB_ODR_Addr (GPIOB_BASE+20) //0x40020414
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#define GPIOC_ODR_Addr (GPIOC_BASE+20) //0x40020814
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#define GPIOD_ODR_Addr (GPIOD_BASE+20) //0x40020C14
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#define GPIOE_ODR_Addr (GPIOE_BASE+20) //0x40021014
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#define GPIOF_ODR_Addr (GPIOF_BASE+20) //0x40021414
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#define GPIOG_ODR_Addr (GPIOG_BASE+20) //0x40021814
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#define GPIOH_ODR_Addr (GPIOH_BASE+20) //0x40021C14
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#define GPIOI_ODR_Addr (GPIOI_BASE+20) //0x40022014
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#define GPIOJ_ODR_ADDr (GPIOJ_BASE+20) //0x40022414
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#define GPIOK_ODR_ADDr (GPIOK_BASE+20) //0x40022814
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#define GPIOA_IDR_Addr (GPIOA_BASE+16) //0x40020010
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#define GPIOB_IDR_Addr (GPIOB_BASE+16) //0x40020410
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#define GPIOC_IDR_Addr (GPIOC_BASE+16) //0x40020810
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#define GPIOD_IDR_Addr (GPIOD_BASE+16) //0x40020C10
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#define GPIOE_IDR_Addr (GPIOE_BASE+16) //0x40021010
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#define GPIOF_IDR_Addr (GPIOF_BASE+16) //0x40021410
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#define GPIOG_IDR_Addr (GPIOG_BASE+16) //0x40021810
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#define GPIOH_IDR_Addr (GPIOH_BASE+16) //0x40021C10
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#define GPIOI_IDR_Addr (GPIOI_BASE+16) //0x40022010
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#define GPIOJ_IDR_Addr (GPIOJ_BASE+16) //0x40022410
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#define GPIOK_IDR_Addr (GPIOK_BASE+16) //0x40022810
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//IO口操作,只对单一的IO口!
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//确保n的值小于16!
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#define PAout(n) BIT_ADDR(GPIOA_ODR_Addr,n) //输出
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#define PAin(n) BIT_ADDR(GPIOA_IDR_Addr,n) //输入
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#define PBout(n) BIT_ADDR(GPIOB_ODR_Addr,n) //输出
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#define PBin(n) BIT_ADDR(GPIOB_IDR_Addr,n) //输入
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#define PCout(n) BIT_ADDR(GPIOC_ODR_Addr,n) //输出
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#define PCin(n) BIT_ADDR(GPIOC_IDR_Addr,n) //输入
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#define PDout(n) BIT_ADDR(GPIOD_ODR_Addr,n) //输出
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#define PDin(n) BIT_ADDR(GPIOD_IDR_Addr,n) //输入
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#define PEout(n) BIT_ADDR(GPIOE_ODR_Addr,n) //输出
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#define PEin(n) BIT_ADDR(GPIOE_IDR_Addr,n) //输入
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#define PFout(n) BIT_ADDR(GPIOF_ODR_Addr,n) //输出
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#define PFin(n) BIT_ADDR(GPIOF_IDR_Addr,n) //输入
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#define PGout(n) BIT_ADDR(GPIOG_ODR_Addr,n) //输出
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#define PGin(n) BIT_ADDR(GPIOG_IDR_Addr,n) //输入
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#define PHout(n) BIT_ADDR(GPIOH_ODR_Addr,n) //输出
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#define PHin(n) BIT_ADDR(GPIOH_IDR_Addr,n) //输入
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#define PIout(n) BIT_ADDR(GPIOI_ODR_Addr,n) //输出
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#define PIin(n) BIT_ADDR(GPIOI_IDR_Addr,n) //输入
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#define PJout(n) BIT_ADDR(GPIOJ_ODR_Addr,n) //输出
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#define PJin(n) BIT_ADDR(GPIOJ_IDR_Addr,n) //输入
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#define PKout(n) BIT_ADDR(GPIOK_ODR_Addr,n) //输出
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#define PKin(n) BIT_ADDR(GPIOK_IDR_Addr,n) //输入
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void Stm32_Clock_Init(u32 plln,u32 pllm,u32 pllp,u32 pllq);//时钟系统配置
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//以下为汇编函数
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void WFI_SET(void); //执行WFI指令
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void INTX_DISABLE(void);//关闭所有中断
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void INTX_ENABLE(void); //开启所有中断
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void MSR_MSP(u32 addr); //设置堆栈地址
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#endif
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