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1 /******************** (C) COPYRIGHT 2008 STMicroelectronics ********************\r
2 * File Name          : stm32f10x_iwdg.h\r
3 * Author             : MCD Application Team\r
4 * Version            : V2.0.1\r
5 * Date               : 06/13/2008\r
6 * Description        : This file contains all the functions prototypes for the\r
7 *                      IWDG firmware library.\r
8 ********************************************************************************\r
9 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS\r
10 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.\r
11 * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,\r
12 * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE\r
13 * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING\r
14 * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.\r
15 *******************************************************************************/\r
16 \r
17 /* Define to prevent recursive inclusion -------------------------------------*/\r
18 #ifndef __STM32F10x_IWDG_H\r
19 #define __STM32F10x_IWDG_H\r
20 \r
21 /* Includes ------------------------------------------------------------------*/\r
22 #include "stm32f10x_map.h"\r
23 \r
24 /* Exported types ------------------------------------------------------------*/\r
25 /* Exported constants --------------------------------------------------------*/\r
26 /* Write access to IWDG_PR and IWDG_RLR registers */\r
27 #define IWDG_WriteAccess_Enable     ((u16)0x5555)\r
28 #define IWDG_WriteAccess_Disable    ((u16)0x0000)\r
29 \r
30 #define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \\r
31                                       ((ACCESS) == IWDG_WriteAccess_Disable))\r
32 \r
33 /* IWDG prescaler */\r
34 #define IWDG_Prescaler_4            ((u8)0x00)\r
35 #define IWDG_Prescaler_8            ((u8)0x01)\r
36 #define IWDG_Prescaler_16           ((u8)0x02)\r
37 #define IWDG_Prescaler_32           ((u8)0x03)\r
38 #define IWDG_Prescaler_64           ((u8)0x04)\r
39 #define IWDG_Prescaler_128          ((u8)0x05)\r
40 #define IWDG_Prescaler_256          ((u8)0x06)\r
41 \r
42 #define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4)  || \\r
43                                       ((PRESCALER) == IWDG_Prescaler_8)  || \\r
44                                       ((PRESCALER) == IWDG_Prescaler_16) || \\r
45                                       ((PRESCALER) == IWDG_Prescaler_32) || \\r
46                                       ((PRESCALER) == IWDG_Prescaler_64) || \\r
47                                       ((PRESCALER) == IWDG_Prescaler_128)|| \\r
48                                       ((PRESCALER) == IWDG_Prescaler_256))\r
49 \r
50 /* IWDG Flag */\r
51 #define IWDG_FLAG_PVU               ((u16)0x0001)\r
52 #define IWDG_FLAG_RVU               ((u16)0x0002)\r
53 \r
54 #define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))\r
55 \r
56 #define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)\r
57 \r
58 /* Exported macro ------------------------------------------------------------*/\r
59 /* Exported functions ------------------------------------------------------- */\r
60 void IWDG_WriteAccessCmd(u16 IWDG_WriteAccess);\r
61 void IWDG_SetPrescaler(u8 IWDG_Prescaler);\r
62 void IWDG_SetReload(u16 Reload);\r
63 void IWDG_ReloadCounter(void);\r
64 void IWDG_Enable(void);\r
65 FlagStatus IWDG_GetFlagStatus(u16 IWDG_FLAG);\r
66 \r
67 #endif /* __STM32F10x_IWDG_H */\r
68 \r
69 /******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/\r