110 lines
4.8 KiB
C
110 lines
4.8 KiB
C
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/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
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* File Name : stm32f10x_systick.h
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* Author : MCD Application Team
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* Version : V2.0.3
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* Date : 09/22/2008
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* Description : This file contains all the functions prototypes for the
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* SysTick firmware library.
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32W_SYSTICK_H
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#define __STM32W_SYSTICK_H
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#include "stm32w_type.h"
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#include "stm32w_conf.h"
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#ifndef EXT
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#define EXT extern
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#endif /* EXT */
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typedef struct
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{
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vu32 CTRL;
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vu32 LOAD;
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vu32 VAL;
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vuc32 CALIB;
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} SysTick_TypeDef;
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/* System Control Space memory map */
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#define SCS_BASE ((u32)0xE000E000)
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#define SysTick_BASE (SCS_BASE + 0x0010)
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#define NVIC_BASE (SCS_BASE + 0x0100)
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#define SCB_BASE (SCS_BASE + 0x0D00)
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#ifdef _SysTick
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#define SysTick ((SysTick_TypeDef *) SysTick_BASE)
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#endif /*_SysTick */
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/***************** Bit definition for SysTick_CTRL register *****************/
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#define SysTick_CTRL_ENABLE ((u32)0x00000001) /* Counter enable */
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#define SysTick_CTRL_TICKINT ((u32)0x00000002) /* Counting down to 0 pends the SysTick handler */
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#define SysTick_CTRL_CLKSOURCE ((u32)0x00000004) /* Clock source */
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#define SysTick_CTRL_COUNTFLAG ((u32)0x00010000) /* Count Flag */
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/***************** Bit definition for SysTick_LOAD register *****************/
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#define SysTick_LOAD_RELOAD ((u32)0x00FFFFFF) /* Value to load into the SysTick Current Value Register when the counter reaches 0 */
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/***************** Bit definition for SysTick_VAL register ******************/
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#define SysTick_VAL_CURRENT ((u32)0x00FFFFFF) /* Current value at the time the register is accessed */
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/***************** Bit definition for SysTick_CALIB register ****************/
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#define SysTick_CALIB_TENMS ((u32)0x00FFFFFF) /* Reload value to use for 10ms timing */
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#define SysTick_CALIB_SKEW ((u32)0x40000000) /* Calibration value is not exactly 10 ms */
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#define SysTick_CALIB_NOREF ((u32)0x80000000) /* The reference clock is not provided */
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/* SysTick clock source */
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#define SysTick_CLKSource_HCLK_Div8 ((u32)0xFFFFFFFB)
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#define SysTick_CLKSource_HCLK ((u32)0x00000004)
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#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
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((SOURCE) == SysTick_CLKSource_HCLK_Div8))
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/* SysTick counter state */
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#define SysTick_Counter_Disable ((u32)0xFFFFFFFE)
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#define SysTick_Counter_Enable ((u32)0x00000001)
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#define SysTick_Counter_Clear ((u32)0x00000000)
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#define IS_SYSTICK_COUNTER(COUNTER) (((COUNTER) == SysTick_Counter_Disable) || \
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((COUNTER) == SysTick_Counter_Enable) || \
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((COUNTER) == SysTick_Counter_Clear))
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/* SysTick Flag */
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#define SysTick_FLAG_COUNT ((u32)0x00000010)
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#define SysTick_FLAG_SKEW ((u32)0x0000001E)
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#define SysTick_FLAG_NOREF ((u32)0x0000001F)
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#define IS_SYSTICK_FLAG(FLAG) (((FLAG) == SysTick_FLAG_COUNT) || \
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((FLAG) == SysTick_FLAG_SKEW) || \
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((FLAG) == SysTick_FLAG_NOREF))
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#define IS_SYSTICK_RELOAD(RELOAD) (((RELOAD) > 0) && ((RELOAD) <= 0xFFFFFF))
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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void SysTick_CLKSourceConfig(u32 SysTick_CLKSource);
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void SysTick_SetReload(u32 Reload);
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void SysTick_CounterCmd(u32 SysTick_Counter);
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void SysTick_ITConfig(FunctionalState NewState);
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u32 SysTick_GetCounter(void);
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FlagStatus SysTick_GetFlagStatus(u8 SysTick_FLAG);
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#endif /* __STM32F10x_SYSTICK_H */
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/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
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