From a22d9c106276bb1819e583012d7ea41b6529b318 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Wed, 16 May 2018 08:14:05 +0800
Subject: [PATCH] add new LED key systick sample code

---
 src/bare_test/4.Systick/stdlib/src/stm32f10x_pwr.c |  614 +++++++++++++++++++++++++++---------------------------
 1 files changed, 307 insertions(+), 307 deletions(-)

diff --git a/src/bare_test/stm32_key/fwlib/src/stm32f10x_pwr.c b/src/bare_test/4.Systick/stdlib/src/stm32f10x_pwr.c
similarity index 99%
copy from src/bare_test/stm32_key/fwlib/src/stm32f10x_pwr.c
copy to src/bare_test/4.Systick/stdlib/src/stm32f10x_pwr.c
index 147bf0f..a5a5c57 100644
--- a/src/bare_test/stm32_key/fwlib/src/stm32f10x_pwr.c
+++ b/src/bare_test/4.Systick/stdlib/src/stm32f10x_pwr.c
@@ -1,307 +1,307 @@
-/**
-  ******************************************************************************
-  * @file    stm32f10x_pwr.c
-  * @author  MCD Application Team
-  * @version V3.5.0
-  * @date    11-March-2011
-  * @brief   This file provides all the PWR firmware functions.
-  ******************************************************************************
-  * @attention
-  *
-  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
-  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
-  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
-  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
-  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
-  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-  *
-  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
-  ******************************************************************************
-  */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x_pwr.h"
-#include "stm32f10x_rcc.h"
-
-/** @addtogroup STM32F10x_StdPeriph_Driver
-  * @{
-  */
-
-/** @defgroup PWR 
-  * @brief PWR driver modules
-  * @{
-  */ 
-
-/** @defgroup PWR_Private_TypesDefinitions
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup PWR_Private_Defines
-  * @{
-  */
-
-/* --------- PWR registers bit address in the alias region ---------- */
-#define PWR_OFFSET               (PWR_BASE - PERIPH_BASE)
-
-/* --- CR Register ---*/
-
-/* Alias word address of DBP bit */
-#define CR_OFFSET                (PWR_OFFSET + 0x00)
-#define DBP_BitNumber            0x08
-#define CR_DBP_BB                (PERIPH_BB_BASE + (CR_OFFSET * 32) + (DBP_BitNumber * 4))
-
-/* Alias word address of PVDE bit */
-#define PVDE_BitNumber           0x04
-#define CR_PVDE_BB               (PERIPH_BB_BASE + (CR_OFFSET * 32) + (PVDE_BitNumber * 4))
-
-/* --- CSR Register ---*/
-
-/* Alias word address of EWUP bit */
-#define CSR_OFFSET               (PWR_OFFSET + 0x04)
-#define EWUP_BitNumber           0x08
-#define CSR_EWUP_BB              (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (EWUP_BitNumber * 4))
-
-/* ------------------ PWR registers bit mask ------------------------ */
-
-/* CR register bit mask */
-#define CR_DS_MASK               ((uint32_t)0xFFFFFFFC)
-#define CR_PLS_MASK              ((uint32_t)0xFFFFFF1F)
-
-
-/**
-  * @}
-  */
-
-/** @defgroup PWR_Private_Macros
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup PWR_Private_Variables
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup PWR_Private_FunctionPrototypes
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup PWR_Private_Functions
-  * @{
-  */
-
-/**
-  * @brief  Deinitializes the PWR peripheral registers to their default reset values.
-  * @param  None
-  * @retval None
-  */
-void PWR_DeInit(void)
-{
-  RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
-  RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
-}
-
-/**
-  * @brief  Enables or disables access to the RTC and backup registers.
-  * @param  NewState: new state of the access to the RTC and backup registers.
-  *   This parameter can be: ENABLE or DISABLE.
-  * @retval None
-  */
-void PWR_BackupAccessCmd(FunctionalState NewState)
-{
-  /* Check the parameters */
-  assert_param(IS_FUNCTIONAL_STATE(NewState));
-  *(__IO uint32_t *) CR_DBP_BB = (uint32_t)NewState;
-}
-
-/**
-  * @brief  Enables or disables the Power Voltage Detector(PVD).
-  * @param  NewState: new state of the PVD.
-  *   This parameter can be: ENABLE or DISABLE.
-  * @retval None
-  */
-void PWR_PVDCmd(FunctionalState NewState)
-{
-  /* Check the parameters */
-  assert_param(IS_FUNCTIONAL_STATE(NewState));
-  *(__IO uint32_t *) CR_PVDE_BB = (uint32_t)NewState;
-}
-
-/**
-  * @brief  Configures the voltage threshold detected by the Power Voltage Detector(PVD).
-  * @param  PWR_PVDLevel: specifies the PVD detection level
-  *   This parameter can be one of the following values:
-  *     @arg PWR_PVDLevel_2V2: PVD detection level set to 2.2V
-  *     @arg PWR_PVDLevel_2V3: PVD detection level set to 2.3V
-  *     @arg PWR_PVDLevel_2V4: PVD detection level set to 2.4V
-  *     @arg PWR_PVDLevel_2V5: PVD detection level set to 2.5V
-  *     @arg PWR_PVDLevel_2V6: PVD detection level set to 2.6V
-  *     @arg PWR_PVDLevel_2V7: PVD detection level set to 2.7V
-  *     @arg PWR_PVDLevel_2V8: PVD detection level set to 2.8V
-  *     @arg PWR_PVDLevel_2V9: PVD detection level set to 2.9V
-  * @retval None
-  */
-void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
-{
-  uint32_t tmpreg = 0;
-  /* Check the parameters */
-  assert_param(IS_PWR_PVD_LEVEL(PWR_PVDLevel));
-  tmpreg = PWR->CR;
-  /* Clear PLS[7:5] bits */
-  tmpreg &= CR_PLS_MASK;
-  /* Set PLS[7:5] bits according to PWR_PVDLevel value */
-  tmpreg |= PWR_PVDLevel;
-  /* Store the new value */
-  PWR->CR = tmpreg;
-}
-
-/**
-  * @brief  Enables or disables the WakeUp Pin functionality.
-  * @param  NewState: new state of the WakeUp Pin functionality.
-  *   This parameter can be: ENABLE or DISABLE.
-  * @retval None
-  */
-void PWR_WakeUpPinCmd(FunctionalState NewState)
-{
-  /* Check the parameters */
-  assert_param(IS_FUNCTIONAL_STATE(NewState));
-  *(__IO uint32_t *) CSR_EWUP_BB = (uint32_t)NewState;
-}
-
-/**
-  * @brief  Enters STOP mode.
-  * @param  PWR_Regulator: specifies the regulator state in STOP mode.
-  *   This parameter can be one of the following values:
-  *     @arg PWR_Regulator_ON: STOP mode with regulator ON
-  *     @arg PWR_Regulator_LowPower: STOP mode with regulator in low power mode
-  * @param  PWR_STOPEntry: specifies if STOP mode in entered with WFI or WFE instruction.
-  *   This parameter can be one of the following values:
-  *     @arg PWR_STOPEntry_WFI: enter STOP mode with WFI instruction
-  *     @arg PWR_STOPEntry_WFE: enter STOP mode with WFE instruction
-  * @retval None
-  */
-void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry)
-{
-  uint32_t tmpreg = 0;
-  /* Check the parameters */
-  assert_param(IS_PWR_REGULATOR(PWR_Regulator));
-  assert_param(IS_PWR_STOP_ENTRY(PWR_STOPEntry));
-  
-  /* Select the regulator state in STOP mode ---------------------------------*/
-  tmpreg = PWR->CR;
-  /* Clear PDDS and LPDS bits */
-  tmpreg &= CR_DS_MASK;
-  /* Set LPDS bit according to PWR_Regulator value */
-  tmpreg |= PWR_Regulator;
-  /* Store the new value */
-  PWR->CR = tmpreg;
-  /* Set SLEEPDEEP bit of Cortex System Control Register */
-  SCB->SCR |= SCB_SCR_SLEEPDEEP;
-  
-  /* Select STOP mode entry --------------------------------------------------*/
-  if(PWR_STOPEntry == PWR_STOPEntry_WFI)
-  {   
-    /* Request Wait For Interrupt */
-    __WFI();
-  }
-  else
-  {
-    /* Request Wait For Event */
-    __WFE();
-  }
-  
-  /* Reset SLEEPDEEP bit of Cortex System Control Register */
-  SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP);  
-}
-
-/**
-  * @brief  Enters STANDBY mode.
-  * @param  None
-  * @retval None
-  */
-void PWR_EnterSTANDBYMode(void)
-{
-  /* Clear Wake-up flag */
-  PWR->CR |= PWR_CR_CWUF;
-  /* Select STANDBY mode */
-  PWR->CR |= PWR_CR_PDDS;
-  /* Set SLEEPDEEP bit of Cortex System Control Register */
-  SCB->SCR |= SCB_SCR_SLEEPDEEP;
-/* This option is used to ensure that store operations are completed */
-#if defined ( __CC_ARM   )
-  __force_stores();
-#endif
-  /* Request Wait For Interrupt */
-  __WFI();
-}
-
-/**
-  * @brief  Checks whether the specified PWR flag is set or not.
-  * @param  PWR_FLAG: specifies the flag to check.
-  *   This parameter can be one of the following values:
-  *     @arg PWR_FLAG_WU: Wake Up flag
-  *     @arg PWR_FLAG_SB: StandBy flag
-  *     @arg PWR_FLAG_PVDO: PVD Output
-  * @retval The new state of PWR_FLAG (SET or RESET).
-  */
-FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
-{
-  FlagStatus bitstatus = RESET;
-  /* Check the parameters */
-  assert_param(IS_PWR_GET_FLAG(PWR_FLAG));
-  
-  if ((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
-  {
-    bitstatus = SET;
-  }
-  else
-  {
-    bitstatus = RESET;
-  }
-  /* Return the flag status */
-  return bitstatus;
-}
-
-/**
-  * @brief  Clears the PWR's pending flags.
-  * @param  PWR_FLAG: specifies the flag to clear.
-  *   This parameter can be one of the following values:
-  *     @arg PWR_FLAG_WU: Wake Up flag
-  *     @arg PWR_FLAG_SB: StandBy flag
-  * @retval None
-  */
-void PWR_ClearFlag(uint32_t PWR_FLAG)
-{
-  /* Check the parameters */
-  assert_param(IS_PWR_CLEAR_FLAG(PWR_FLAG));
-         
-  PWR->CR |=  PWR_FLAG << 2;
-}
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
+/**
+  ******************************************************************************
+  * @file    stm32f10x_pwr.c
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    11-March-2011
+  * @brief   This file provides all the PWR firmware functions.
+  ******************************************************************************
+  * @attention
+  *
+  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+  *
+  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x_pwr.h"
+#include "stm32f10x_rcc.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Driver
+  * @{
+  */
+
+/** @defgroup PWR 
+  * @brief PWR driver modules
+  * @{
+  */ 
+
+/** @defgroup PWR_Private_TypesDefinitions
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup PWR_Private_Defines
+  * @{
+  */
+
+/* --------- PWR registers bit address in the alias region ---------- */
+#define PWR_OFFSET               (PWR_BASE - PERIPH_BASE)
+
+/* --- CR Register ---*/
+
+/* Alias word address of DBP bit */
+#define CR_OFFSET                (PWR_OFFSET + 0x00)
+#define DBP_BitNumber            0x08
+#define CR_DBP_BB                (PERIPH_BB_BASE + (CR_OFFSET * 32) + (DBP_BitNumber * 4))
+
+/* Alias word address of PVDE bit */
+#define PVDE_BitNumber           0x04
+#define CR_PVDE_BB               (PERIPH_BB_BASE + (CR_OFFSET * 32) + (PVDE_BitNumber * 4))
+
+/* --- CSR Register ---*/
+
+/* Alias word address of EWUP bit */
+#define CSR_OFFSET               (PWR_OFFSET + 0x04)
+#define EWUP_BitNumber           0x08
+#define CSR_EWUP_BB              (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (EWUP_BitNumber * 4))
+
+/* ------------------ PWR registers bit mask ------------------------ */
+
+/* CR register bit mask */
+#define CR_DS_MASK               ((uint32_t)0xFFFFFFFC)
+#define CR_PLS_MASK              ((uint32_t)0xFFFFFF1F)
+
+
+/**
+  * @}
+  */
+
+/** @defgroup PWR_Private_Macros
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup PWR_Private_Variables
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup PWR_Private_FunctionPrototypes
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup PWR_Private_Functions
+  * @{
+  */
+
+/**
+  * @brief  Deinitializes the PWR peripheral registers to their default reset values.
+  * @param  None
+  * @retval None
+  */
+void PWR_DeInit(void)
+{
+  RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE);
+  RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, DISABLE);
+}
+
+/**
+  * @brief  Enables or disables access to the RTC and backup registers.
+  * @param  NewState: new state of the access to the RTC and backup registers.
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void PWR_BackupAccessCmd(FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  *(__IO uint32_t *) CR_DBP_BB = (uint32_t)NewState;
+}
+
+/**
+  * @brief  Enables or disables the Power Voltage Detector(PVD).
+  * @param  NewState: new state of the PVD.
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void PWR_PVDCmd(FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  *(__IO uint32_t *) CR_PVDE_BB = (uint32_t)NewState;
+}
+
+/**
+  * @brief  Configures the voltage threshold detected by the Power Voltage Detector(PVD).
+  * @param  PWR_PVDLevel: specifies the PVD detection level
+  *   This parameter can be one of the following values:
+  *     @arg PWR_PVDLevel_2V2: PVD detection level set to 2.2V
+  *     @arg PWR_PVDLevel_2V3: PVD detection level set to 2.3V
+  *     @arg PWR_PVDLevel_2V4: PVD detection level set to 2.4V
+  *     @arg PWR_PVDLevel_2V5: PVD detection level set to 2.5V
+  *     @arg PWR_PVDLevel_2V6: PVD detection level set to 2.6V
+  *     @arg PWR_PVDLevel_2V7: PVD detection level set to 2.7V
+  *     @arg PWR_PVDLevel_2V8: PVD detection level set to 2.8V
+  *     @arg PWR_PVDLevel_2V9: PVD detection level set to 2.9V
+  * @retval None
+  */
+void PWR_PVDLevelConfig(uint32_t PWR_PVDLevel)
+{
+  uint32_t tmpreg = 0;
+  /* Check the parameters */
+  assert_param(IS_PWR_PVD_LEVEL(PWR_PVDLevel));
+  tmpreg = PWR->CR;
+  /* Clear PLS[7:5] bits */
+  tmpreg &= CR_PLS_MASK;
+  /* Set PLS[7:5] bits according to PWR_PVDLevel value */
+  tmpreg |= PWR_PVDLevel;
+  /* Store the new value */
+  PWR->CR = tmpreg;
+}
+
+/**
+  * @brief  Enables or disables the WakeUp Pin functionality.
+  * @param  NewState: new state of the WakeUp Pin functionality.
+  *   This parameter can be: ENABLE or DISABLE.
+  * @retval None
+  */
+void PWR_WakeUpPinCmd(FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+  *(__IO uint32_t *) CSR_EWUP_BB = (uint32_t)NewState;
+}
+
+/**
+  * @brief  Enters STOP mode.
+  * @param  PWR_Regulator: specifies the regulator state in STOP mode.
+  *   This parameter can be one of the following values:
+  *     @arg PWR_Regulator_ON: STOP mode with regulator ON
+  *     @arg PWR_Regulator_LowPower: STOP mode with regulator in low power mode
+  * @param  PWR_STOPEntry: specifies if STOP mode in entered with WFI or WFE instruction.
+  *   This parameter can be one of the following values:
+  *     @arg PWR_STOPEntry_WFI: enter STOP mode with WFI instruction
+  *     @arg PWR_STOPEntry_WFE: enter STOP mode with WFE instruction
+  * @retval None
+  */
+void PWR_EnterSTOPMode(uint32_t PWR_Regulator, uint8_t PWR_STOPEntry)
+{
+  uint32_t tmpreg = 0;
+  /* Check the parameters */
+  assert_param(IS_PWR_REGULATOR(PWR_Regulator));
+  assert_param(IS_PWR_STOP_ENTRY(PWR_STOPEntry));
+  
+  /* Select the regulator state in STOP mode ---------------------------------*/
+  tmpreg = PWR->CR;
+  /* Clear PDDS and LPDS bits */
+  tmpreg &= CR_DS_MASK;
+  /* Set LPDS bit according to PWR_Regulator value */
+  tmpreg |= PWR_Regulator;
+  /* Store the new value */
+  PWR->CR = tmpreg;
+  /* Set SLEEPDEEP bit of Cortex System Control Register */
+  SCB->SCR |= SCB_SCR_SLEEPDEEP;
+  
+  /* Select STOP mode entry --------------------------------------------------*/
+  if(PWR_STOPEntry == PWR_STOPEntry_WFI)
+  {   
+    /* Request Wait For Interrupt */
+    __WFI();
+  }
+  else
+  {
+    /* Request Wait For Event */
+    __WFE();
+  }
+  
+  /* Reset SLEEPDEEP bit of Cortex System Control Register */
+  SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP);  
+}
+
+/**
+  * @brief  Enters STANDBY mode.
+  * @param  None
+  * @retval None
+  */
+void PWR_EnterSTANDBYMode(void)
+{
+  /* Clear Wake-up flag */
+  PWR->CR |= PWR_CR_CWUF;
+  /* Select STANDBY mode */
+  PWR->CR |= PWR_CR_PDDS;
+  /* Set SLEEPDEEP bit of Cortex System Control Register */
+  SCB->SCR |= SCB_SCR_SLEEPDEEP;
+/* This option is used to ensure that store operations are completed */
+#if defined ( __CC_ARM   )
+  __force_stores();
+#endif
+  /* Request Wait For Interrupt */
+  __WFI();
+}
+
+/**
+  * @brief  Checks whether the specified PWR flag is set or not.
+  * @param  PWR_FLAG: specifies the flag to check.
+  *   This parameter can be one of the following values:
+  *     @arg PWR_FLAG_WU: Wake Up flag
+  *     @arg PWR_FLAG_SB: StandBy flag
+  *     @arg PWR_FLAG_PVDO: PVD Output
+  * @retval The new state of PWR_FLAG (SET or RESET).
+  */
+FlagStatus PWR_GetFlagStatus(uint32_t PWR_FLAG)
+{
+  FlagStatus bitstatus = RESET;
+  /* Check the parameters */
+  assert_param(IS_PWR_GET_FLAG(PWR_FLAG));
+  
+  if ((PWR->CSR & PWR_FLAG) != (uint32_t)RESET)
+  {
+    bitstatus = SET;
+  }
+  else
+  {
+    bitstatus = RESET;
+  }
+  /* Return the flag status */
+  return bitstatus;
+}
+
+/**
+  * @brief  Clears the PWR's pending flags.
+  * @param  PWR_FLAG: specifies the flag to clear.
+  *   This parameter can be one of the following values:
+  *     @arg PWR_FLAG_WU: Wake Up flag
+  *     @arg PWR_FLAG_SB: StandBy flag
+  * @retval None
+  */
+void PWR_ClearFlag(uint32_t PWR_FLAG)
+{
+  /* Check the parameters */
+  assert_param(IS_PWR_CLEAR_FLAG(PWR_FLAG));
+         
+  PWR->CR |=  PWR_FLAG << 2;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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