LPC1700CMSIS Standard Peripheral Firmware Library: C:/nxpdrv/LPC1700CMSIS/Drivers/include/lpc17xx_wdt.h Source File

LPC1700CMSIS

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C:/nxpdrv/LPC1700CMSIS/Drivers/include/lpc17xx_wdt.h

00001 /***********************************************************************/
00021 /* Peripheral group ----------------------------------------------------------- */
00027 #ifndef LPC17XX_WDT_H_
00028 #define LPC17XX_WDT_H_
00029 
00030 /* Includes ------------------------------------------------------------------- */
00031 #include "LPC17xx.h"
00032 #include "lpc_types.h"
00033 
00034 
00035 #ifdef __cplusplus
00036 extern "C"
00037 {
00038 #endif
00039 
00040 
00041 /* Private Macros ------------------------------------------------------------- */
00049 /************************** WDT Control **************************/
00051 #define WDT_WDMOD_WDEN                      ((uint32_t)(1<<0))
00052 
00053 #define WDT_WDMOD_WDRESET                       ((uint32_t)(1<<1))
00054 
00055 #define WDT_WDMOD_WDTOF                         ((uint32_t)(1<<2))
00056 
00057 #define WDT_WDMOD_WDINT                         ((uint32_t)(1<<3))
00058 
00059 #define WDT_WDMOD(n)                            ((uint32_t)(1<<1))
00060 
00061 /**************************** PRIVATE TYPES ***************************/
00063 #define WDT_US_INDEX    ((uint32_t)(1000000))
00064 
00065 #define WDT_TIMEOUT_MIN ((uint32_t)(0xFF))
00066 
00067 #define WDT_TIMEOUT_MAX ((uint32_t)(0xFFFFFFFF))
00068 
00069 
00070 /**************************** GLOBAL/PUBLIC TYPES ***************************/
00072 #define WDT_WDMOD_MASK                  (uint8_t)(0x02)
00073 
00074 #define WDT_WDTC_MASK                   (uint8_t)(0xFFFFFFFF)
00075 
00076 #define WDT_WDFEED_MASK                 (uint8_t)(0x000000FF)
00077 
00078 #define WDT_WDCLKSEL_MASK               (uint8_t)(0x03)
00079 
00080 #define WDT_WDCLKSEL_RC                 (uint8_t)(0x00)
00081 
00082 #define WDT_WDCLKSEL_PCLK               (uint8_t)(0x01)
00083 
00084 #define WDT_WDCLKSEL_RTC                (uint8_t)(0x02)
00085 
00095 /* Public Types --------------------------------------------------------------- */
00101 typedef enum {
00102         WDT_CLKSRC_IRC = 0, 
00103         WDT_CLKSRC_PCLK = 1, 
00104         WDT_CLKSRC_RTC = 2 
00105 } WDT_CLK_OPT;
00106 #define PARAM_WDT_CLK_OPT(OPTION)  ((OPTION ==WDT_CLKSRC_IRC)||(OPTION ==WDT_CLKSRC_IRC)\
00107 ||(OPTION ==WDT_CLKSRC_IRC))
00108 
00109 typedef enum {
00110         WDT_MODE_INT_ONLY = 0, 
00111         WDT_MODE_RESET = 1    
00112 } WDT_MODE_OPT;
00113 #define PARAM_WDT_MODE_OPT(OPTION)  ((OPTION ==WDT_MODE_INT_ONLY)||(OPTION ==WDT_MODE_RESET))
00114 
00120 /* Public Functions ----------------------------------------------------------- */
00125 void WDT_Init (uint32_t ClkSrc, uint32_t WDTMode);
00126 void WDT_Start(uint32_t TimeOut);
00127 void WDT_Feed (void);
00128 FlagStatus WDT_ReadTimeOutFlag (void);
00129 void WDT_ClrTimeOutFlag (void);
00130 void WDT_UpdateTimeOut ( uint32_t TimeOut);
00131 uint32_t WDT_GetCurrentCount(void);
00132 
00137 #ifdef __cplusplus
00138 }
00139 #endif
00140 
00141 #endif /* LPC17XX_WDT_H_ */
00142 
00147 /* --------------------------------- End Of File ------------------------------ */
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