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_wwdg.c |  448 ++++++++++++++++++++++++++++----------------------------
 1 files changed, 224 insertions(+), 224 deletions(-)

diff --git a/src/bare_test/stm32_key/fwlib/src/stm32f10x_wwdg.c b/src/bare_test/4.Systick/stdlib/src/stm32f10x_wwdg.c
similarity index 99%
copy from src/bare_test/stm32_key/fwlib/src/stm32f10x_wwdg.c
copy to src/bare_test/4.Systick/stdlib/src/stm32f10x_wwdg.c
index 77a7ce5..4a901e4 100644
--- a/src/bare_test/stm32_key/fwlib/src/stm32f10x_wwdg.c
+++ b/src/bare_test/4.Systick/stdlib/src/stm32f10x_wwdg.c
@@ -1,224 +1,224 @@
-/**
-  ******************************************************************************
-  * @file    stm32f10x_wwdg.c
-  * @author  MCD Application Team
-  * @version V3.5.0
-  * @date    11-March-2011
-  * @brief   This file provides all the WWDG 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_wwdg.h"
-#include "stm32f10x_rcc.h"
-
-/** @addtogroup STM32F10x_StdPeriph_Driver
-  * @{
-  */
-
-/** @defgroup WWDG 
-  * @brief WWDG driver modules
-  * @{
-  */
-
-/** @defgroup WWDG_Private_TypesDefinitions
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup WWDG_Private_Defines
-  * @{
-  */
-
-/* ----------- WWDG registers bit address in the alias region ----------- */
-#define WWDG_OFFSET       (WWDG_BASE - PERIPH_BASE)
-
-/* Alias word address of EWI bit */
-#define CFR_OFFSET        (WWDG_OFFSET + 0x04)
-#define EWI_BitNumber     0x09
-#define CFR_EWI_BB        (PERIPH_BB_BASE + (CFR_OFFSET * 32) + (EWI_BitNumber * 4))
-
-/* --------------------- WWDG registers bit mask ------------------------ */
-
-/* CR register bit mask */
-#define CR_WDGA_Set       ((uint32_t)0x00000080)
-
-/* CFR register bit mask */
-#define CFR_WDGTB_Mask    ((uint32_t)0xFFFFFE7F)
-#define CFR_W_Mask        ((uint32_t)0xFFFFFF80)
-#define BIT_Mask          ((uint8_t)0x7F)
-
-/**
-  * @}
-  */
-
-/** @defgroup WWDG_Private_Macros
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup WWDG_Private_Variables
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup WWDG_Private_FunctionPrototypes
-  * @{
-  */
-
-/**
-  * @}
-  */
-
-/** @defgroup WWDG_Private_Functions
-  * @{
-  */
-
-/**
-  * @brief  Deinitializes the WWDG peripheral registers to their default reset values.
-  * @param  None
-  * @retval None
-  */
-void WWDG_DeInit(void)
-{
-  RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
-  RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
-}
-
-/**
-  * @brief  Sets the WWDG Prescaler.
-  * @param  WWDG_Prescaler: specifies the WWDG Prescaler.
-  *   This parameter can be one of the following values:
-  *     @arg WWDG_Prescaler_1: WWDG counter clock = (PCLK1/4096)/1
-  *     @arg WWDG_Prescaler_2: WWDG counter clock = (PCLK1/4096)/2
-  *     @arg WWDG_Prescaler_4: WWDG counter clock = (PCLK1/4096)/4
-  *     @arg WWDG_Prescaler_8: WWDG counter clock = (PCLK1/4096)/8
-  * @retval None
-  */
-void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
-{
-  uint32_t tmpreg = 0;
-  /* Check the parameters */
-  assert_param(IS_WWDG_PRESCALER(WWDG_Prescaler));
-  /* Clear WDGTB[1:0] bits */
-  tmpreg = WWDG->CFR & CFR_WDGTB_Mask;
-  /* Set WDGTB[1:0] bits according to WWDG_Prescaler value */
-  tmpreg |= WWDG_Prescaler;
-  /* Store the new value */
-  WWDG->CFR = tmpreg;
-}
-
-/**
-  * @brief  Sets the WWDG window value.
-  * @param  WindowValue: specifies the window value to be compared to the downcounter.
-  *   This parameter value must be lower than 0x80.
-  * @retval None
-  */
-void WWDG_SetWindowValue(uint8_t WindowValue)
-{
-  __IO uint32_t tmpreg = 0;
-
-  /* Check the parameters */
-  assert_param(IS_WWDG_WINDOW_VALUE(WindowValue));
-  /* Clear W[6:0] bits */
-
-  tmpreg = WWDG->CFR & CFR_W_Mask;
-
-  /* Set W[6:0] bits according to WindowValue value */
-  tmpreg |= WindowValue & (uint32_t) BIT_Mask;
-
-  /* Store the new value */
-  WWDG->CFR = tmpreg;
-}
-
-/**
-  * @brief  Enables the WWDG Early Wakeup interrupt(EWI).
-  * @param  None
-  * @retval None
-  */
-void WWDG_EnableIT(void)
-{
-  *(__IO uint32_t *) CFR_EWI_BB = (uint32_t)ENABLE;
-}
-
-/**
-  * @brief  Sets the WWDG counter value.
-  * @param  Counter: specifies the watchdog counter value.
-  *   This parameter must be a number between 0x40 and 0x7F.
-  * @retval None
-  */
-void WWDG_SetCounter(uint8_t Counter)
-{
-  /* Check the parameters */
-  assert_param(IS_WWDG_COUNTER(Counter));
-  /* Write to T[6:0] bits to configure the counter value, no need to do
-     a read-modify-write; writing a 0 to WDGA bit does nothing */
-  WWDG->CR = Counter & BIT_Mask;
-}
-
-/**
-  * @brief  Enables WWDG and load the counter value.                  
-  * @param  Counter: specifies the watchdog counter value.
-  *   This parameter must be a number between 0x40 and 0x7F.
-  * @retval None
-  */
-void WWDG_Enable(uint8_t Counter)
-{
-  /* Check the parameters */
-  assert_param(IS_WWDG_COUNTER(Counter));
-  WWDG->CR = CR_WDGA_Set | Counter;
-}
-
-/**
-  * @brief  Checks whether the Early Wakeup interrupt flag is set or not.
-  * @param  None
-  * @retval The new state of the Early Wakeup interrupt flag (SET or RESET)
-  */
-FlagStatus WWDG_GetFlagStatus(void)
-{
-  return (FlagStatus)(WWDG->SR);
-}
-
-/**
-  * @brief  Clears Early Wakeup interrupt flag.
-  * @param  None
-  * @retval None
-  */
-void WWDG_ClearFlag(void)
-{
-  WWDG->SR = (uint32_t)RESET;
-}
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-/**
-  * @}
-  */
-
-/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
+/**
+  ******************************************************************************
+  * @file    stm32f10x_wwdg.c
+  * @author  MCD Application Team
+  * @version V3.5.0
+  * @date    11-March-2011
+  * @brief   This file provides all the WWDG 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_wwdg.h"
+#include "stm32f10x_rcc.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Driver
+  * @{
+  */
+
+/** @defgroup WWDG 
+  * @brief WWDG driver modules
+  * @{
+  */
+
+/** @defgroup WWDG_Private_TypesDefinitions
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup WWDG_Private_Defines
+  * @{
+  */
+
+/* ----------- WWDG registers bit address in the alias region ----------- */
+#define WWDG_OFFSET       (WWDG_BASE - PERIPH_BASE)
+
+/* Alias word address of EWI bit */
+#define CFR_OFFSET        (WWDG_OFFSET + 0x04)
+#define EWI_BitNumber     0x09
+#define CFR_EWI_BB        (PERIPH_BB_BASE + (CFR_OFFSET * 32) + (EWI_BitNumber * 4))
+
+/* --------------------- WWDG registers bit mask ------------------------ */
+
+/* CR register bit mask */
+#define CR_WDGA_Set       ((uint32_t)0x00000080)
+
+/* CFR register bit mask */
+#define CFR_WDGTB_Mask    ((uint32_t)0xFFFFFE7F)
+#define CFR_W_Mask        ((uint32_t)0xFFFFFF80)
+#define BIT_Mask          ((uint8_t)0x7F)
+
+/**
+  * @}
+  */
+
+/** @defgroup WWDG_Private_Macros
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup WWDG_Private_Variables
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup WWDG_Private_FunctionPrototypes
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup WWDG_Private_Functions
+  * @{
+  */
+
+/**
+  * @brief  Deinitializes the WWDG peripheral registers to their default reset values.
+  * @param  None
+  * @retval None
+  */
+void WWDG_DeInit(void)
+{
+  RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE);
+  RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE);
+}
+
+/**
+  * @brief  Sets the WWDG Prescaler.
+  * @param  WWDG_Prescaler: specifies the WWDG Prescaler.
+  *   This parameter can be one of the following values:
+  *     @arg WWDG_Prescaler_1: WWDG counter clock = (PCLK1/4096)/1
+  *     @arg WWDG_Prescaler_2: WWDG counter clock = (PCLK1/4096)/2
+  *     @arg WWDG_Prescaler_4: WWDG counter clock = (PCLK1/4096)/4
+  *     @arg WWDG_Prescaler_8: WWDG counter clock = (PCLK1/4096)/8
+  * @retval None
+  */
+void WWDG_SetPrescaler(uint32_t WWDG_Prescaler)
+{
+  uint32_t tmpreg = 0;
+  /* Check the parameters */
+  assert_param(IS_WWDG_PRESCALER(WWDG_Prescaler));
+  /* Clear WDGTB[1:0] bits */
+  tmpreg = WWDG->CFR & CFR_WDGTB_Mask;
+  /* Set WDGTB[1:0] bits according to WWDG_Prescaler value */
+  tmpreg |= WWDG_Prescaler;
+  /* Store the new value */
+  WWDG->CFR = tmpreg;
+}
+
+/**
+  * @brief  Sets the WWDG window value.
+  * @param  WindowValue: specifies the window value to be compared to the downcounter.
+  *   This parameter value must be lower than 0x80.
+  * @retval None
+  */
+void WWDG_SetWindowValue(uint8_t WindowValue)
+{
+  __IO uint32_t tmpreg = 0;
+
+  /* Check the parameters */
+  assert_param(IS_WWDG_WINDOW_VALUE(WindowValue));
+  /* Clear W[6:0] bits */
+
+  tmpreg = WWDG->CFR & CFR_W_Mask;
+
+  /* Set W[6:0] bits according to WindowValue value */
+  tmpreg |= WindowValue & (uint32_t) BIT_Mask;
+
+  /* Store the new value */
+  WWDG->CFR = tmpreg;
+}
+
+/**
+  * @brief  Enables the WWDG Early Wakeup interrupt(EWI).
+  * @param  None
+  * @retval None
+  */
+void WWDG_EnableIT(void)
+{
+  *(__IO uint32_t *) CFR_EWI_BB = (uint32_t)ENABLE;
+}
+
+/**
+  * @brief  Sets the WWDG counter value.
+  * @param  Counter: specifies the watchdog counter value.
+  *   This parameter must be a number between 0x40 and 0x7F.
+  * @retval None
+  */
+void WWDG_SetCounter(uint8_t Counter)
+{
+  /* Check the parameters */
+  assert_param(IS_WWDG_COUNTER(Counter));
+  /* Write to T[6:0] bits to configure the counter value, no need to do
+     a read-modify-write; writing a 0 to WDGA bit does nothing */
+  WWDG->CR = Counter & BIT_Mask;
+}
+
+/**
+  * @brief  Enables WWDG and load the counter value.                  
+  * @param  Counter: specifies the watchdog counter value.
+  *   This parameter must be a number between 0x40 and 0x7F.
+  * @retval None
+  */
+void WWDG_Enable(uint8_t Counter)
+{
+  /* Check the parameters */
+  assert_param(IS_WWDG_COUNTER(Counter));
+  WWDG->CR = CR_WDGA_Set | Counter;
+}
+
+/**
+  * @brief  Checks whether the Early Wakeup interrupt flag is set or not.
+  * @param  None
+  * @retval The new state of the Early Wakeup interrupt flag (SET or RESET)
+  */
+FlagStatus WWDG_GetFlagStatus(void)
+{
+  return (FlagStatus)(WWDG->SR);
+}
+
+/**
+  * @brief  Clears Early Wakeup interrupt flag.
+  * @param  None
+  * @retval None
+  */
+void WWDG_ClearFlag(void)
+{
+  WWDG->SR = (uint32_t)RESET;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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