core_cm3.h 83 KB

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  1. /**************************************************************************//**
  2. * @file core_cm3.h
  3. * @brief CMSIS Cortex-M3 Core Peripheral Access Layer Header File
  4. * @version V1.30
  5. * @date 30. October 2009
  6. *
  7. * @note
  8. * Copyright (C) 2009 ARM Limited. All rights reserved.
  9. *
  10. * @par
  11. * ARM Limited (ARM) is supplying this software for use with Cortex-M
  12. * processor based microcontrollers. This file can be freely distributed
  13. * within development tools that are supporting such ARM based processors.
  14. *
  15. * @par
  16. * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
  17. * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
  18. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
  19. * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
  20. * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
  21. *
  22. ******************************************************************************/
  23. /*******************************************************************************
  24. * Microsemi SoC Products Group SVN revision number for the purpose of tracking
  25. * changes done to original file supplied by ARM:
  26. * SVN $Revision: 4048 $
  27. * SVN $Date: 2011-12-06 16:05:56 +0000 (Tue, 06 Dec 2011) $
  28. ******************************************************************************/
  29. #ifndef __CM3_CORE_H__
  30. #define __CM3_CORE_H__
  31. /** @addtogroup CMSIS_CM3_core_LintCinfiguration CMSIS CM3 Core Lint Configuration
  32. *
  33. * List of Lint messages which will be suppressed and not shown:
  34. * - Error 10: \n
  35. * register uint32_t __regBasePri __asm("basepri"); \n
  36. * Error 10: Expecting ';'
  37. * .
  38. * - Error 530: \n
  39. * return(__regBasePri); \n
  40. * Warning 530: Symbol '__regBasePri' (line 264) not initialized
  41. * .
  42. * - Error 550: \n
  43. * __regBasePri = (basePri & 0x1ff); \n
  44. * Warning 550: Symbol '__regBasePri' (line 271) not accessed
  45. * .
  46. * - Error 754: \n
  47. * uint32_t RESERVED0[24]; \n
  48. * Info 754: local structure member '<some, not used in the HAL>' (line 109, file ./cm3_core.h) not referenced
  49. * .
  50. * - Error 750: \n
  51. * #define __CM3_CORE_H__ \n
  52. * Info 750: local macro '__CM3_CORE_H__' (line 43, file./cm3_core.h) not referenced
  53. * .
  54. * - Error 528: \n
  55. * static __INLINE void NVIC_DisableIRQ(uint32_t IRQn) \n
  56. * Warning 528: Symbol 'NVIC_DisableIRQ(unsigned int)' (line 419, file ./cm3_core.h) not referenced
  57. * .
  58. * - Error 751: \n
  59. * } InterruptType_Type; \n
  60. * Info 751: local typedef 'InterruptType_Type' (line 170, file ./cm3_core.h) not referenced
  61. * .
  62. * Note: To re-enable a Message, insert a space before 'lint' *
  63. *
  64. */
  65. /*lint -save */
  66. /*lint -e10 */
  67. /*lint -e530 */
  68. /*lint -e550 */
  69. /*lint -e754 */
  70. /*lint -e750 */
  71. /*lint -e528 */
  72. /*lint -e751 */
  73. /** @addtogroup CMSIS_CM3_core_definitions CM3 Core Definitions
  74. This file defines all structures and symbols for CMSIS core:
  75. - CMSIS version number
  76. - Cortex-M core registers and bitfields
  77. - Cortex-M core peripheral base address
  78. @{
  79. */
  80. #ifdef __cplusplus
  81. extern "C" {
  82. #endif
  83. #define __CM3_CMSIS_VERSION_MAIN (0x01) /*!< [31:16] CMSIS HAL main version */
  84. #define __CM3_CMSIS_VERSION_SUB (0x30) /*!< [15:0] CMSIS HAL sub version */
  85. #define __CM3_CMSIS_VERSION ((__CM3_CMSIS_VERSION_MAIN << 16) | __CM3_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */
  86. #define __CORTEX_M (0x03) /*!< Cortex core */
  87. #include <stdint.h> /* Include standard types */
  88. #if defined (__ICCARM__)
  89. #include <intrinsics.h> /* IAR Intrinsics */
  90. #endif
  91. #ifndef __NVIC_PRIO_BITS
  92. #define __NVIC_PRIO_BITS 4 /*!< standard definition for NVIC Priority Bits */
  93. #endif
  94. /**
  95. * IO definitions
  96. *
  97. * define access restrictions to peripheral registers
  98. */
  99. #ifdef __cplusplus
  100. #define __I volatile /*!< defines 'read only' permissions */
  101. #else
  102. #define __I volatile const /*!< defines 'read only' permissions */
  103. #endif
  104. #define __O volatile /*!< defines 'write only' permissions */
  105. #define __IO volatile /*!< defines 'read / write' permissions */
  106. /*******************************************************************************
  107. * Register Abstraction
  108. ******************************************************************************/
  109. /** @addtogroup CMSIS_CM3_core_register CMSIS CM3 Core Register
  110. @{
  111. */
  112. /** @addtogroup CMSIS_CM3_NVIC CMSIS CM3 NVIC
  113. memory mapped structure for Nested Vectored Interrupt Controller (NVIC)
  114. @{
  115. */
  116. typedef struct
  117. {
  118. __IO uint32_t ISER[8]; /*!< Offset: 0x000 Interrupt Set Enable Register */
  119. uint32_t RESERVED0[24];
  120. __IO uint32_t ICER[8]; /*!< Offset: 0x080 Interrupt Clear Enable Register */
  121. uint32_t RSERVED1[24];
  122. __IO uint32_t ISPR[8]; /*!< Offset: 0x100 Interrupt Set Pending Register */
  123. uint32_t RESERVED2[24];
  124. __IO uint32_t ICPR[8]; /*!< Offset: 0x180 Interrupt Clear Pending Register */
  125. uint32_t RESERVED3[24];
  126. __IO uint32_t IABR[8]; /*!< Offset: 0x200 Interrupt Active bit Register */
  127. uint32_t RESERVED4[56];
  128. __IO uint8_t IP[240]; /*!< Offset: 0x300 Interrupt Priority Register (8Bit wide) */
  129. uint32_t RESERVED5[644];
  130. __O uint32_t STIR; /*!< Offset: 0xE00 Software Trigger Interrupt Register */
  131. } NVIC_Type;
  132. /*@}*/ /* end of group CMSIS_CM3_NVIC */
  133. /** @addtogroup CMSIS_CM3_SCB CMSIS CM3 SCB
  134. memory mapped structure for System Control Block (SCB)
  135. @{
  136. */
  137. typedef struct
  138. {
  139. __I uint32_t CPUID; /*!< Offset: 0x00 CPU ID Base Register */
  140. __IO uint32_t ICSR; /*!< Offset: 0x04 Interrupt Control State Register */
  141. __IO uint32_t VTOR; /*!< Offset: 0x08 Vector Table Offset Register */
  142. __IO uint32_t AIRCR; /*!< Offset: 0x0C Application Interrupt / Reset Control Register */
  143. __IO uint32_t SCR; /*!< Offset: 0x10 System Control Register */
  144. __IO uint32_t CCR; /*!< Offset: 0x14 Configuration Control Register */
  145. __IO uint8_t SHP[12]; /*!< Offset: 0x18 System Handlers Priority Registers (4-7, 8-11, 12-15) */
  146. __IO uint32_t SHCSR; /*!< Offset: 0x24 System Handler Control and State Register */
  147. __IO uint32_t CFSR; /*!< Offset: 0x28 Configurable Fault Status Register */
  148. __IO uint32_t HFSR; /*!< Offset: 0x2C Hard Fault Status Register */
  149. __IO uint32_t DFSR; /*!< Offset: 0x30 Debug Fault Status Register */
  150. __IO uint32_t MMFAR; /*!< Offset: 0x34 Mem Manage Address Register */
  151. __IO uint32_t BFAR; /*!< Offset: 0x38 Bus Fault Address Register */
  152. __IO uint32_t AFSR; /*!< Offset: 0x3C Auxiliary Fault Status Register */
  153. __I uint32_t PFR[2]; /*!< Offset: 0x40 Processor Feature Register */
  154. __I uint32_t DFR; /*!< Offset: 0x48 Debug Feature Register */
  155. __I uint32_t ADR; /*!< Offset: 0x4C Auxiliary Feature Register */
  156. __I uint32_t MMFR[4]; /*!< Offset: 0x50 Memory Model Feature Register */
  157. __I uint32_t ISAR[5]; /*!< Offset: 0x60 ISA Feature Register */
  158. } SCB_Type;
  159. /* SCB CPUID Register Definitions */
  160. #define SCB_CPUID_IMPLEMENTER_Pos 24 /*!< SCB CPUID: IMPLEMENTER Position */
  161. #define SCB_CPUID_IMPLEMENTER_Msk (0xFFul << SCB_CPUID_IMPLEMENTER_Pos) /*!< SCB CPUID: IMPLEMENTER Mask */
  162. #define SCB_CPUID_VARIANT_Pos 20 /*!< SCB CPUID: VARIANT Position */
  163. #define SCB_CPUID_VARIANT_Msk (0xFul << SCB_CPUID_VARIANT_Pos) /*!< SCB CPUID: VARIANT Mask */
  164. #define SCB_CPUID_PARTNO_Pos 4 /*!< SCB CPUID: PARTNO Position */
  165. #define SCB_CPUID_PARTNO_Msk (0xFFFul << SCB_CPUID_PARTNO_Pos) /*!< SCB CPUID: PARTNO Mask */
  166. #define SCB_CPUID_REVISION_Pos 0 /*!< SCB CPUID: REVISION Position */
  167. #define SCB_CPUID_REVISION_Msk (0xFul << SCB_CPUID_REVISION_Pos) /*!< SCB CPUID: REVISION Mask */
  168. /* SCB Interrupt Control State Register Definitions */
  169. #define SCB_ICSR_NMIPENDSET_Pos 31 /*!< SCB ICSR: NMIPENDSET Position */
  170. #define SCB_ICSR_NMIPENDSET_Msk (1ul << SCB_ICSR_NMIPENDSET_Pos) /*!< SCB ICSR: NMIPENDSET Mask */
  171. #define SCB_ICSR_PENDSVSET_Pos 28 /*!< SCB ICSR: PENDSVSET Position */
  172. #define SCB_ICSR_PENDSVSET_Msk (1ul << SCB_ICSR_PENDSVSET_Pos) /*!< SCB ICSR: PENDSVSET Mask */
  173. #define SCB_ICSR_PENDSVCLR_Pos 27 /*!< SCB ICSR: PENDSVCLR Position */
  174. #define SCB_ICSR_PENDSVCLR_Msk (1ul << SCB_ICSR_PENDSVCLR_Pos) /*!< SCB ICSR: PENDSVCLR Mask */
  175. #define SCB_ICSR_PENDSTSET_Pos 26 /*!< SCB ICSR: PENDSTSET Position */
  176. #define SCB_ICSR_PENDSTSET_Msk (1ul << SCB_ICSR_PENDSTSET_Pos) /*!< SCB ICSR: PENDSTSET Mask */
  177. #define SCB_ICSR_PENDSTCLR_Pos 25 /*!< SCB ICSR: PENDSTCLR Position */
  178. #define SCB_ICSR_PENDSTCLR_Msk (1ul << SCB_ICSR_PENDSTCLR_Pos) /*!< SCB ICSR: PENDSTCLR Mask */
  179. #define SCB_ICSR_ISRPREEMPT_Pos 23 /*!< SCB ICSR: ISRPREEMPT Position */
  180. #define SCB_ICSR_ISRPREEMPT_Msk (1ul << SCB_ICSR_ISRPREEMPT_Pos) /*!< SCB ICSR: ISRPREEMPT Mask */
  181. #define SCB_ICSR_ISRPENDING_Pos 22 /*!< SCB ICSR: ISRPENDING Position */
  182. #define SCB_ICSR_ISRPENDING_Msk (1ul << SCB_ICSR_ISRPENDING_Pos) /*!< SCB ICSR: ISRPENDING Mask */
  183. #define SCB_ICSR_VECTPENDING_Pos 12 /*!< SCB ICSR: VECTPENDING Position */
  184. #define SCB_ICSR_VECTPENDING_Msk (0x1FFul << SCB_ICSR_VECTPENDING_Pos) /*!< SCB ICSR: VECTPENDING Mask */
  185. #define SCB_ICSR_RETTOBASE_Pos 11 /*!< SCB ICSR: RETTOBASE Position */
  186. #define SCB_ICSR_RETTOBASE_Msk (1ul << SCB_ICSR_RETTOBASE_Pos) /*!< SCB ICSR: RETTOBASE Mask */
  187. #define SCB_ICSR_VECTACTIVE_Pos 0 /*!< SCB ICSR: VECTACTIVE Position */
  188. #define SCB_ICSR_VECTACTIVE_Msk (0x1FFul << SCB_ICSR_VECTACTIVE_Pos) /*!< SCB ICSR: VECTACTIVE Mask */
  189. /* SCB Interrupt Control State Register Definitions */
  190. #define SCB_VTOR_TBLBASE_Pos 29 /*!< SCB VTOR: TBLBASE Position */
  191. #define SCB_VTOR_TBLBASE_Msk (0x1FFul << SCB_VTOR_TBLBASE_Pos) /*!< SCB VTOR: TBLBASE Mask */
  192. #define SCB_VTOR_TBLOFF_Pos 7 /*!< SCB VTOR: TBLOFF Position */
  193. #define SCB_VTOR_TBLOFF_Msk (0x3FFFFFul << SCB_VTOR_TBLOFF_Pos) /*!< SCB VTOR: TBLOFF Mask */
  194. /* SCB Application Interrupt and Reset Control Register Definitions */
  195. #define SCB_AIRCR_VECTKEY_Pos 16 /*!< SCB AIRCR: VECTKEY Position */
  196. #define SCB_AIRCR_VECTKEY_Msk (0xFFFFul << SCB_AIRCR_VECTKEY_Pos) /*!< SCB AIRCR: VECTKEY Mask */
  197. #define SCB_AIRCR_VECTKEYSTAT_Pos 16 /*!< SCB AIRCR: VECTKEYSTAT Position */
  198. #define SCB_AIRCR_VECTKEYSTAT_Msk (0xFFFFul << SCB_AIRCR_VECTKEYSTAT_Pos) /*!< SCB AIRCR: VECTKEYSTAT Mask */
  199. #define SCB_AIRCR_ENDIANESS_Pos 15 /*!< SCB AIRCR: ENDIANESS Position */
  200. #define SCB_AIRCR_ENDIANESS_Msk (1ul << SCB_AIRCR_ENDIANESS_Pos) /*!< SCB AIRCR: ENDIANESS Mask */
  201. #define SCB_AIRCR_PRIGROUP_Pos 8 /*!< SCB AIRCR: PRIGROUP Position */
  202. #define SCB_AIRCR_PRIGROUP_Msk (7ul << SCB_AIRCR_PRIGROUP_Pos) /*!< SCB AIRCR: PRIGROUP Mask */
  203. #define SCB_AIRCR_SYSRESETREQ_Pos 2 /*!< SCB AIRCR: SYSRESETREQ Position */
  204. #define SCB_AIRCR_SYSRESETREQ_Msk (1ul << SCB_AIRCR_SYSRESETREQ_Pos) /*!< SCB AIRCR: SYSRESETREQ Mask */
  205. #define SCB_AIRCR_VECTCLRACTIVE_Pos 1 /*!< SCB AIRCR: VECTCLRACTIVE Position */
  206. #define SCB_AIRCR_VECTCLRACTIVE_Msk (1ul << SCB_AIRCR_VECTCLRACTIVE_Pos) /*!< SCB AIRCR: VECTCLRACTIVE Mask */
  207. #define SCB_AIRCR_VECTRESET_Pos 0 /*!< SCB AIRCR: VECTRESET Position */
  208. #define SCB_AIRCR_VECTRESET_Msk (1ul << SCB_AIRCR_VECTRESET_Pos) /*!< SCB AIRCR: VECTRESET Mask */
  209. /* SCB System Control Register Definitions */
  210. #define SCB_SCR_SEVONPEND_Pos 4 /*!< SCB SCR: SEVONPEND Position */
  211. #define SCB_SCR_SEVONPEND_Msk (1ul << SCB_SCR_SEVONPEND_Pos) /*!< SCB SCR: SEVONPEND Mask */
  212. #define SCB_SCR_SLEEPDEEP_Pos 2 /*!< SCB SCR: SLEEPDEEP Position */
  213. #define SCB_SCR_SLEEPDEEP_Msk (1ul << SCB_SCR_SLEEPDEEP_Pos) /*!< SCB SCR: SLEEPDEEP Mask */
  214. #define SCB_SCR_SLEEPONEXIT_Pos 1 /*!< SCB SCR: SLEEPONEXIT Position */
  215. #define SCB_SCR_SLEEPONEXIT_Msk (1ul << SCB_SCR_SLEEPONEXIT_Pos) /*!< SCB SCR: SLEEPONEXIT Mask */
  216. /* SCB Configuration Control Register Definitions */
  217. #define SCB_CCR_STKALIGN_Pos 9 /*!< SCB CCR: STKALIGN Position */
  218. #define SCB_CCR_STKALIGN_Msk (1ul << SCB_CCR_STKALIGN_Pos) /*!< SCB CCR: STKALIGN Mask */
  219. #define SCB_CCR_BFHFNMIGN_Pos 8 /*!< SCB CCR: BFHFNMIGN Position */
  220. #define SCB_CCR_BFHFNMIGN_Msk (1ul << SCB_CCR_BFHFNMIGN_Pos) /*!< SCB CCR: BFHFNMIGN Mask */
  221. #define SCB_CCR_DIV_0_TRP_Pos 4 /*!< SCB CCR: DIV_0_TRP Position */
  222. #define SCB_CCR_DIV_0_TRP_Msk (1ul << SCB_CCR_DIV_0_TRP_Pos) /*!< SCB CCR: DIV_0_TRP Mask */
  223. #define SCB_CCR_UNALIGN_TRP_Pos 3 /*!< SCB CCR: UNALIGN_TRP Position */
  224. #define SCB_CCR_UNALIGN_TRP_Msk (1ul << SCB_CCR_UNALIGN_TRP_Pos) /*!< SCB CCR: UNALIGN_TRP Mask */
  225. #define SCB_CCR_USERSETMPEND_Pos 1 /*!< SCB CCR: USERSETMPEND Position */
  226. #define SCB_CCR_USERSETMPEND_Msk (1ul << SCB_CCR_USERSETMPEND_Pos) /*!< SCB CCR: USERSETMPEND Mask */
  227. #define SCB_CCR_NONBASETHRDENA_Pos 0 /*!< SCB CCR: NONBASETHRDENA Position */
  228. #define SCB_CCR_NONBASETHRDENA_Msk (1ul << SCB_CCR_NONBASETHRDENA_Pos) /*!< SCB CCR: NONBASETHRDENA Mask */
  229. /* SCB System Handler Control and State Register Definitions */
  230. #define SCB_SHCSR_USGFAULTENA_Pos 18 /*!< SCB SHCSR: USGFAULTENA Position */
  231. #define SCB_SHCSR_USGFAULTENA_Msk (1ul << SCB_SHCSR_USGFAULTENA_Pos) /*!< SCB SHCSR: USGFAULTENA Mask */
  232. #define SCB_SHCSR_BUSFAULTENA_Pos 17 /*!< SCB SHCSR: BUSFAULTENA Position */
  233. #define SCB_SHCSR_BUSFAULTENA_Msk (1ul << SCB_SHCSR_BUSFAULTENA_Pos) /*!< SCB SHCSR: BUSFAULTENA Mask */
  234. #define SCB_SHCSR_MEMFAULTENA_Pos 16 /*!< SCB SHCSR: MEMFAULTENA Position */
  235. #define SCB_SHCSR_MEMFAULTENA_Msk (1ul << SCB_SHCSR_MEMFAULTENA_Pos) /*!< SCB SHCSR: MEMFAULTENA Mask */
  236. #define SCB_SHCSR_SVCALLPENDED_Pos 15 /*!< SCB SHCSR: SVCALLPENDED Position */
  237. #define SCB_SHCSR_SVCALLPENDED_Msk (1ul << SCB_SHCSR_SVCALLPENDED_Pos) /*!< SCB SHCSR: SVCALLPENDED Mask */
  238. #define SCB_SHCSR_BUSFAULTPENDED_Pos 14 /*!< SCB SHCSR: BUSFAULTPENDED Position */
  239. #define SCB_SHCSR_BUSFAULTPENDED_Msk (1ul << SCB_SHCSR_BUSFAULTPENDED_Pos) /*!< SCB SHCSR: BUSFAULTPENDED Mask */
  240. #define SCB_SHCSR_MEMFAULTPENDED_Pos 13 /*!< SCB SHCSR: MEMFAULTPENDED Position */
  241. #define SCB_SHCSR_MEMFAULTPENDED_Msk (1ul << SCB_SHCSR_MEMFAULTPENDED_Pos) /*!< SCB SHCSR: MEMFAULTPENDED Mask */
  242. #define SCB_SHCSR_USGFAULTPENDED_Pos 12 /*!< SCB SHCSR: USGFAULTPENDED Position */
  243. #define SCB_SHCSR_USGFAULTPENDED_Msk (1ul << SCB_SHCSR_USGFAULTPENDED_Pos) /*!< SCB SHCSR: USGFAULTPENDED Mask */
  244. #define SCB_SHCSR_SYSTICKACT_Pos 11 /*!< SCB SHCSR: SYSTICKACT Position */
  245. #define SCB_SHCSR_SYSTICKACT_Msk (1ul << SCB_SHCSR_SYSTICKACT_Pos) /*!< SCB SHCSR: SYSTICKACT Mask */
  246. #define SCB_SHCSR_PENDSVACT_Pos 10 /*!< SCB SHCSR: PENDSVACT Position */
  247. #define SCB_SHCSR_PENDSVACT_Msk (1ul << SCB_SHCSR_PENDSVACT_Pos) /*!< SCB SHCSR: PENDSVACT Mask */
  248. #define SCB_SHCSR_MONITORACT_Pos 8 /*!< SCB SHCSR: MONITORACT Position */
  249. #define SCB_SHCSR_MONITORACT_Msk (1ul << SCB_SHCSR_MONITORACT_Pos) /*!< SCB SHCSR: MONITORACT Mask */
  250. #define SCB_SHCSR_SVCALLACT_Pos 7 /*!< SCB SHCSR: SVCALLACT Position */
  251. #define SCB_SHCSR_SVCALLACT_Msk (1ul << SCB_SHCSR_SVCALLACT_Pos) /*!< SCB SHCSR: SVCALLACT Mask */
  252. #define SCB_SHCSR_USGFAULTACT_Pos 3 /*!< SCB SHCSR: USGFAULTACT Position */
  253. #define SCB_SHCSR_USGFAULTACT_Msk (1ul << SCB_SHCSR_USGFAULTACT_Pos) /*!< SCB SHCSR: USGFAULTACT Mask */
  254. #define SCB_SHCSR_BUSFAULTACT_Pos 1 /*!< SCB SHCSR: BUSFAULTACT Position */
  255. #define SCB_SHCSR_BUSFAULTACT_Msk (1ul << SCB_SHCSR_BUSFAULTACT_Pos) /*!< SCB SHCSR: BUSFAULTACT Mask */
  256. #define SCB_SHCSR_MEMFAULTACT_Pos 0 /*!< SCB SHCSR: MEMFAULTACT Position */
  257. #define SCB_SHCSR_MEMFAULTACT_Msk (1ul << SCB_SHCSR_MEMFAULTACT_Pos) /*!< SCB SHCSR: MEMFAULTACT Mask */
  258. /* SCB Configurable Fault Status Registers Definitions */
  259. #define SCB_CFSR_USGFAULTSR_Pos 16 /*!< SCB CFSR: Usage Fault Status Register Position */
  260. #define SCB_CFSR_USGFAULTSR_Msk (0xFFFFul << SCB_CFSR_USGFAULTSR_Pos) /*!< SCB CFSR: Usage Fault Status Register Mask */
  261. #define SCB_CFSR_BUSFAULTSR_Pos 8 /*!< SCB CFSR: Bus Fault Status Register Position */
  262. #define SCB_CFSR_BUSFAULTSR_Msk (0xFFul << SCB_CFSR_BUSFAULTSR_Pos) /*!< SCB CFSR: Bus Fault Status Register Mask */
  263. #define SCB_CFSR_MEMFAULTSR_Pos 0 /*!< SCB CFSR: Memory Manage Fault Status Register Position */
  264. #define SCB_CFSR_MEMFAULTSR_Msk (0xFFul << SCB_CFSR_MEMFAULTSR_Pos) /*!< SCB CFSR: Memory Manage Fault Status Register Mask */
  265. /* SCB Hard Fault Status Registers Definitions */
  266. #define SCB_HFSR_DEBUGEVT_Pos 31 /*!< SCB HFSR: DEBUGEVT Position */
  267. #define SCB_HFSR_DEBUGEVT_Msk (1ul << SCB_HFSR_DEBUGEVT_Pos) /*!< SCB HFSR: DEBUGEVT Mask */
  268. #define SCB_HFSR_FORCED_Pos 30 /*!< SCB HFSR: FORCED Position */
  269. #define SCB_HFSR_FORCED_Msk (1ul << SCB_HFSR_FORCED_Pos) /*!< SCB HFSR: FORCED Mask */
  270. #define SCB_HFSR_VECTTBL_Pos 1 /*!< SCB HFSR: VECTTBL Position */
  271. #define SCB_HFSR_VECTTBL_Msk (1ul << SCB_HFSR_VECTTBL_Pos) /*!< SCB HFSR: VECTTBL Mask */
  272. /* SCB Debug Fault Status Register Definitions */
  273. #define SCB_DFSR_EXTERNAL_Pos 4 /*!< SCB DFSR: EXTERNAL Position */
  274. #define SCB_DFSR_EXTERNAL_Msk (1ul << SCB_DFSR_EXTERNAL_Pos) /*!< SCB DFSR: EXTERNAL Mask */
  275. #define SCB_DFSR_VCATCH_Pos 3 /*!< SCB DFSR: VCATCH Position */
  276. #define SCB_DFSR_VCATCH_Msk (1ul << SCB_DFSR_VCATCH_Pos) /*!< SCB DFSR: VCATCH Mask */
  277. #define SCB_DFSR_DWTTRAP_Pos 2 /*!< SCB DFSR: DWTTRAP Position */
  278. #define SCB_DFSR_DWTTRAP_Msk (1ul << SCB_DFSR_DWTTRAP_Pos) /*!< SCB DFSR: DWTTRAP Mask */
  279. #define SCB_DFSR_BKPT_Pos 1 /*!< SCB DFSR: BKPT Position */
  280. #define SCB_DFSR_BKPT_Msk (1ul << SCB_DFSR_BKPT_Pos) /*!< SCB DFSR: BKPT Mask */
  281. #define SCB_DFSR_HALTED_Pos 0 /*!< SCB DFSR: HALTED Position */
  282. #define SCB_DFSR_HALTED_Msk (1ul << SCB_DFSR_HALTED_Pos) /*!< SCB DFSR: HALTED Mask */
  283. /*@}*/ /* end of group CMSIS_CM3_SCB */
  284. /** @addtogroup CMSIS_CM3_SysTick CMSIS CM3 SysTick
  285. memory mapped structure for SysTick
  286. @{
  287. */
  288. typedef struct
  289. {
  290. __IO uint32_t CTRL; /*!< Offset: 0x00 SysTick Control and Status Register */
  291. __IO uint32_t LOAD; /*!< Offset: 0x04 SysTick Reload Value Register */
  292. __IO uint32_t VAL; /*!< Offset: 0x08 SysTick Current Value Register */
  293. __I uint32_t CALIB; /*!< Offset: 0x0C SysTick Calibration Register */
  294. } SysTick_Type;
  295. /* SysTick Control / Status Register Definitions */
  296. #define SysTick_CTRL_COUNTFLAG_Pos 16 /*!< SysTick CTRL: COUNTFLAG Position */
  297. #define SysTick_CTRL_COUNTFLAG_Msk (1ul << SysTick_CTRL_COUNTFLAG_Pos) /*!< SysTick CTRL: COUNTFLAG Mask */
  298. #define SysTick_CTRL_CLKSOURCE_Pos 2 /*!< SysTick CTRL: CLKSOURCE Position */
  299. #define SysTick_CTRL_CLKSOURCE_Msk (1ul << SysTick_CTRL_CLKSOURCE_Pos) /*!< SysTick CTRL: CLKSOURCE Mask */
  300. #define SysTick_CTRL_TICKINT_Pos 1 /*!< SysTick CTRL: TICKINT Position */
  301. #define SysTick_CTRL_TICKINT_Msk (1ul << SysTick_CTRL_TICKINT_Pos) /*!< SysTick CTRL: TICKINT Mask */
  302. #define SysTick_CTRL_ENABLE_Pos 0 /*!< SysTick CTRL: ENABLE Position */
  303. #define SysTick_CTRL_ENABLE_Msk (1ul << SysTick_CTRL_ENABLE_Pos) /*!< SysTick CTRL: ENABLE Mask */
  304. /* SysTick Reload Register Definitions */
  305. #define SysTick_LOAD_RELOAD_Pos 0 /*!< SysTick LOAD: RELOAD Position */
  306. #define SysTick_LOAD_RELOAD_Msk (0xFFFFFFul << SysTick_LOAD_RELOAD_Pos) /*!< SysTick LOAD: RELOAD Mask */
  307. /* SysTick Current Register Definitions */
  308. #define SysTick_VAL_CURRENT_Pos 0 /*!< SysTick VAL: CURRENT Position */
  309. #define SysTick_VAL_CURRENT_Msk (0xFFFFFFul << SysTick_VAL_CURRENT_Pos) /*!< SysTick VAL: CURRENT Mask */
  310. /* SysTick Calibration Register Definitions */
  311. #define SysTick_CALIB_NOREF_Pos 31 /*!< SysTick CALIB: NOREF Position */
  312. #define SysTick_CALIB_NOREF_Msk (1ul << SysTick_CALIB_NOREF_Pos) /*!< SysTick CALIB: NOREF Mask */
  313. #define SysTick_CALIB_SKEW_Pos 30 /*!< SysTick CALIB: SKEW Position */
  314. #define SysTick_CALIB_SKEW_Msk (1ul << SysTick_CALIB_SKEW_Pos) /*!< SysTick CALIB: SKEW Mask */
  315. #define SysTick_CALIB_TENMS_Pos 0 /*!< SysTick CALIB: TENMS Position */
  316. #define SysTick_CALIB_TENMS_Msk (0xFFFFFFul << SysTick_VAL_CURRENT_Pos) /*!< SysTick CALIB: TENMS Mask */
  317. /*@}*/ /* end of group CMSIS_CM3_SysTick */
  318. /** @addtogroup CMSIS_CM3_ITM CMSIS CM3 ITM
  319. memory mapped structure for Instrumentation Trace Macrocell (ITM)
  320. @{
  321. */
  322. typedef struct
  323. {
  324. __O union
  325. {
  326. __O uint8_t u8; /*!< Offset: ITM Stimulus Port 8-bit */
  327. __O uint16_t u16; /*!< Offset: ITM Stimulus Port 16-bit */
  328. __O uint32_t u32; /*!< Offset: ITM Stimulus Port 32-bit */
  329. } PORT [32]; /*!< Offset: 0x00 ITM Stimulus Port Registers */
  330. uint32_t RESERVED0[864];
  331. __IO uint32_t TER; /*!< Offset: ITM Trace Enable Register */
  332. uint32_t RESERVED1[15];
  333. __IO uint32_t TPR; /*!< Offset: ITM Trace Privilege Register */
  334. uint32_t RESERVED2[15];
  335. __IO uint32_t TCR; /*!< Offset: ITM Trace Control Register */
  336. uint32_t RESERVED3[29];
  337. __IO uint32_t IWR; /*!< Offset: ITM Integration Write Register */
  338. __IO uint32_t IRR; /*!< Offset: ITM Integration Read Register */
  339. __IO uint32_t IMCR; /*!< Offset: ITM Integration Mode Control Register */
  340. uint32_t RESERVED4[43];
  341. __IO uint32_t LAR; /*!< Offset: ITM Lock Access Register */
  342. __IO uint32_t LSR; /*!< Offset: ITM Lock Status Register */
  343. uint32_t RESERVED5[6];
  344. __I uint32_t PID4; /*!< Offset: ITM Peripheral Identification Register #4 */
  345. __I uint32_t PID5; /*!< Offset: ITM Peripheral Identification Register #5 */
  346. __I uint32_t PID6; /*!< Offset: ITM Peripheral Identification Register #6 */
  347. __I uint32_t PID7; /*!< Offset: ITM Peripheral Identification Register #7 */
  348. __I uint32_t PID0; /*!< Offset: ITM Peripheral Identification Register #0 */
  349. __I uint32_t PID1; /*!< Offset: ITM Peripheral Identification Register #1 */
  350. __I uint32_t PID2; /*!< Offset: ITM Peripheral Identification Register #2 */
  351. __I uint32_t PID3; /*!< Offset: ITM Peripheral Identification Register #3 */
  352. __I uint32_t CID0; /*!< Offset: ITM Component Identification Register #0 */
  353. __I uint32_t CID1; /*!< Offset: ITM Component Identification Register #1 */
  354. __I uint32_t CID2; /*!< Offset: ITM Component Identification Register #2 */
  355. __I uint32_t CID3; /*!< Offset: ITM Component Identification Register #3 */
  356. } ITM_Type;
  357. /* ITM Trace Privilege Register Definitions */
  358. #define ITM_TPR_PRIVMASK_Pos 0 /*!< ITM TPR: PRIVMASK Position */
  359. #define ITM_TPR_PRIVMASK_Msk (0xFul << ITM_TPR_PRIVMASK_Pos) /*!< ITM TPR: PRIVMASK Mask */
  360. /* ITM Trace Control Register Definitions */
  361. #define ITM_TCR_BUSY_Pos 23 /*!< ITM TCR: BUSY Position */
  362. #define ITM_TCR_BUSY_Msk (1ul << ITM_TCR_BUSY_Pos) /*!< ITM TCR: BUSY Mask */
  363. #define ITM_TCR_ATBID_Pos 16 /*!< ITM TCR: ATBID Position */
  364. #define ITM_TCR_ATBID_Msk (0x7Ful << ITM_TCR_ATBID_Pos) /*!< ITM TCR: ATBID Mask */
  365. #define ITM_TCR_TSPrescale_Pos 8 /*!< ITM TCR: TSPrescale Position */
  366. #define ITM_TCR_TSPrescale_Msk (3ul << ITM_TCR_TSPrescale_Pos) /*!< ITM TCR: TSPrescale Mask */
  367. #define ITM_TCR_SWOENA_Pos 4 /*!< ITM TCR: SWOENA Position */
  368. #define ITM_TCR_SWOENA_Msk (1ul << ITM_TCR_SWOENA_Pos) /*!< ITM TCR: SWOENA Mask */
  369. #define ITM_TCR_DWTENA_Pos 3 /*!< ITM TCR: DWTENA Position */
  370. #define ITM_TCR_DWTENA_Msk (1ul << ITM_TCR_DWTENA_Pos) /*!< ITM TCR: DWTENA Mask */
  371. #define ITM_TCR_SYNCENA_Pos 2 /*!< ITM TCR: SYNCENA Position */
  372. #define ITM_TCR_SYNCENA_Msk (1ul << ITM_TCR_SYNCENA_Pos) /*!< ITM TCR: SYNCENA Mask */
  373. #define ITM_TCR_TSENA_Pos 1 /*!< ITM TCR: TSENA Position */
  374. #define ITM_TCR_TSENA_Msk (1ul << ITM_TCR_TSENA_Pos) /*!< ITM TCR: TSENA Mask */
  375. #define ITM_TCR_ITMENA_Pos 0 /*!< ITM TCR: ITM Enable bit Position */
  376. #define ITM_TCR_ITMENA_Msk (1ul << ITM_TCR_ITMENA_Pos) /*!< ITM TCR: ITM Enable bit Mask */
  377. /* ITM Integration Write Register Definitions */
  378. #define ITM_IWR_ATVALIDM_Pos 0 /*!< ITM IWR: ATVALIDM Position */
  379. #define ITM_IWR_ATVALIDM_Msk (1ul << ITM_IWR_ATVALIDM_Pos) /*!< ITM IWR: ATVALIDM Mask */
  380. /* ITM Integration Read Register Definitions */
  381. #define ITM_IRR_ATREADYM_Pos 0 /*!< ITM IRR: ATREADYM Position */
  382. #define ITM_IRR_ATREADYM_Msk (1ul << ITM_IRR_ATREADYM_Pos) /*!< ITM IRR: ATREADYM Mask */
  383. /* ITM Integration Mode Control Register Definitions */
  384. #define ITM_IMCR_INTEGRATION_Pos 0 /*!< ITM IMCR: INTEGRATION Position */
  385. #define ITM_IMCR_INTEGRATION_Msk (1ul << ITM_IMCR_INTEGRATION_Pos) /*!< ITM IMCR: INTEGRATION Mask */
  386. /* ITM Lock Status Register Definitions */
  387. #define ITM_LSR_ByteAcc_Pos 2 /*!< ITM LSR: ByteAcc Position */
  388. #define ITM_LSR_ByteAcc_Msk (1ul << ITM_LSR_ByteAcc_Pos) /*!< ITM LSR: ByteAcc Mask */
  389. #define ITM_LSR_Access_Pos 1 /*!< ITM LSR: Access Position */
  390. #define ITM_LSR_Access_Msk (1ul << ITM_LSR_Access_Pos) /*!< ITM LSR: Access Mask */
  391. #define ITM_LSR_Present_Pos 0 /*!< ITM LSR: Present Position */
  392. #define ITM_LSR_Present_Msk (1ul << ITM_LSR_Present_Pos) /*!< ITM LSR: Present Mask */
  393. /*@}*/ /* end of group CMSIS_CM3_ITM */
  394. /** @addtogroup CMSIS_CM3_InterruptType CMSIS CM3 Interrupt Type
  395. memory mapped structure for Interrupt Type
  396. @{
  397. */
  398. typedef struct
  399. {
  400. uint32_t RESERVED0;
  401. __I uint32_t ICTR; /*!< Offset: 0x04 Interrupt Control Type Register */
  402. #if ((defined __CM3_REV) && (__CM3_REV >= 0x200))
  403. __IO uint32_t ACTLR; /*!< Offset: 0x08 Auxiliary Control Register */
  404. #else
  405. uint32_t RESERVED1;
  406. #endif
  407. } InterruptType_Type;
  408. /* Interrupt Controller Type Register Definitions */
  409. #define InterruptType_ICTR_INTLINESNUM_Pos 0 /*!< InterruptType ICTR: INTLINESNUM Position */
  410. #define InterruptType_ICTR_INTLINESNUM_Msk (0x1Ful << InterruptType_ICTR_INTLINESNUM_Pos) /*!< InterruptType ICTR: INTLINESNUM Mask */
  411. /* Auxiliary Control Register Definitions */
  412. #define InterruptType_ACTLR_DISFOLD_Pos 2 /*!< InterruptType ACTLR: DISFOLD Position */
  413. #define InterruptType_ACTLR_DISFOLD_Msk (1ul << InterruptType_ACTLR_DISFOLD_Pos) /*!< InterruptType ACTLR: DISFOLD Mask */
  414. #define InterruptType_ACTLR_DISDEFWBUF_Pos 1 /*!< InterruptType ACTLR: DISDEFWBUF Position */
  415. #define InterruptType_ACTLR_DISDEFWBUF_Msk (1ul << InterruptType_ACTLR_DISDEFWBUF_Pos) /*!< InterruptType ACTLR: DISDEFWBUF Mask */
  416. #define InterruptType_ACTLR_DISMCYCINT_Pos 0 /*!< InterruptType ACTLR: DISMCYCINT Position */
  417. #define InterruptType_ACTLR_DISMCYCINT_Msk (1ul << InterruptType_ACTLR_DISMCYCINT_Pos) /*!< InterruptType ACTLR: DISMCYCINT Mask */
  418. /*@}*/ /* end of group CMSIS_CM3_InterruptType */
  419. #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1)
  420. /** @addtogroup CMSIS_CM3_MPU CMSIS CM3 MPU
  421. memory mapped structure for Memory Protection Unit (MPU)
  422. @{
  423. */
  424. typedef struct
  425. {
  426. __I uint32_t TYPE; /*!< Offset: 0x00 MPU Type Register */
  427. __IO uint32_t CTRL; /*!< Offset: 0x04 MPU Control Register */
  428. __IO uint32_t RNR; /*!< Offset: 0x08 MPU Region RNRber Register */
  429. __IO uint32_t RBAR; /*!< Offset: 0x0C MPU Region Base Address Register */
  430. __IO uint32_t RASR; /*!< Offset: 0x10 MPU Region Attribute and Size Register */
  431. __IO uint32_t RBAR_A1; /*!< Offset: 0x14 MPU Alias 1 Region Base Address Register */
  432. __IO uint32_t RASR_A1; /*!< Offset: 0x18 MPU Alias 1 Region Attribute and Size Register */
  433. __IO uint32_t RBAR_A2; /*!< Offset: 0x1C MPU Alias 2 Region Base Address Register */
  434. __IO uint32_t RASR_A2; /*!< Offset: 0x20 MPU Alias 2 Region Attribute and Size Register */
  435. __IO uint32_t RBAR_A3; /*!< Offset: 0x24 MPU Alias 3 Region Base Address Register */
  436. __IO uint32_t RASR_A3; /*!< Offset: 0x28 MPU Alias 3 Region Attribute and Size Register */
  437. } MPU_Type;
  438. /* MPU Type Register */
  439. #define MPU_TYPE_IREGION_Pos 16 /*!< MPU TYPE: IREGION Position */
  440. #define MPU_TYPE_IREGION_Msk (0xFFul << MPU_TYPE_IREGION_Pos) /*!< MPU TYPE: IREGION Mask */
  441. #define MPU_TYPE_DREGION_Pos 8 /*!< MPU TYPE: DREGION Position */
  442. #define MPU_TYPE_DREGION_Msk (0xFFul << MPU_TYPE_DREGION_Pos) /*!< MPU TYPE: DREGION Mask */
  443. #define MPU_TYPE_SEPARATE_Pos 0 /*!< MPU TYPE: SEPARATE Position */
  444. #define MPU_TYPE_SEPARATE_Msk (1ul << MPU_TYPE_SEPARATE_Pos) /*!< MPU TYPE: SEPARATE Mask */
  445. /* MPU Control Register */
  446. #define MPU_CTRL_PRIVDEFENA_Pos 2 /*!< MPU CTRL: PRIVDEFENA Position */
  447. #define MPU_CTRL_PRIVDEFENA_Msk (1ul << MPU_CTRL_PRIVDEFENA_Pos) /*!< MPU CTRL: PRIVDEFENA Mask */
  448. #define MPU_CTRL_HFNMIENA_Pos 1 /*!< MPU CTRL: HFNMIENA Position */
  449. #define MPU_CTRL_HFNMIENA_Msk (1ul << MPU_CTRL_HFNMIENA_Pos) /*!< MPU CTRL: HFNMIENA Mask */
  450. #define MPU_CTRL_ENABLE_Pos 0 /*!< MPU CTRL: ENABLE Position */
  451. #define MPU_CTRL_ENABLE_Msk (1ul << MPU_CTRL_ENABLE_Pos) /*!< MPU CTRL: ENABLE Mask */
  452. /* MPU Region Number Register */
  453. #define MPU_RNR_REGION_Pos 0 /*!< MPU RNR: REGION Position */
  454. #define MPU_RNR_REGION_Msk (0xFFul << MPU_RNR_REGION_Pos) /*!< MPU RNR: REGION Mask */
  455. /* MPU Region Base Address Register */
  456. #define MPU_RBAR_ADDR_Pos 5 /*!< MPU RBAR: ADDR Position */
  457. #define MPU_RBAR_ADDR_Msk (0x7FFFFFFul << MPU_RBAR_ADDR_Pos) /*!< MPU RBAR: ADDR Mask */
  458. #define MPU_RBAR_VALID_Pos 4 /*!< MPU RBAR: VALID Position */
  459. #define MPU_RBAR_VALID_Msk (1ul << MPU_RBAR_VALID_Pos) /*!< MPU RBAR: VALID Mask */
  460. #define MPU_RBAR_REGION_Pos 0 /*!< MPU RBAR: REGION Position */
  461. #define MPU_RBAR_REGION_Msk (0xFul << MPU_RBAR_REGION_Pos) /*!< MPU RBAR: REGION Mask */
  462. /* MPU Region Attribute and Size Register */
  463. #define MPU_RASR_XN_Pos 28 /*!< MPU RASR: XN Position */
  464. #define MPU_RASR_XN_Msk (1ul << MPU_RASR_XN_Pos) /*!< MPU RASR: XN Mask */
  465. #define MPU_RASR_AP_Pos 24 /*!< MPU RASR: AP Position */
  466. #define MPU_RASR_AP_Msk (7ul << MPU_RASR_AP_Pos) /*!< MPU RASR: AP Mask */
  467. #define MPU_RASR_TEX_Pos 19 /*!< MPU RASR: TEX Position */
  468. #define MPU_RASR_TEX_Msk (7ul << MPU_RASR_TEX_Pos) /*!< MPU RASR: TEX Mask */
  469. #define MPU_RASR_S_Pos 18 /*!< MPU RASR: Shareable bit Position */
  470. #define MPU_RASR_S_Msk (1ul << MPU_RASR_S_Pos) /*!< MPU RASR: Shareable bit Mask */
  471. #define MPU_RASR_C_Pos 17 /*!< MPU RASR: Cacheable bit Position */
  472. #define MPU_RASR_C_Msk (1ul << MPU_RASR_C_Pos) /*!< MPU RASR: Cacheable bit Mask */
  473. #define MPU_RASR_B_Pos 16 /*!< MPU RASR: Bufferable bit Position */
  474. #define MPU_RASR_B_Msk (1ul << MPU_RASR_B_Pos) /*!< MPU RASR: Bufferable bit Mask */
  475. #define MPU_RASR_SRD_Pos 8 /*!< MPU RASR: Sub-Region Disable Position */
  476. #define MPU_RASR_SRD_Msk (0xFFul << MPU_RASR_SRD_Pos) /*!< MPU RASR: Sub-Region Disable Mask */
  477. #define MPU_RASR_SIZE_Pos 1 /*!< MPU RASR: Region Size Field Position */
  478. #define MPU_RASR_SIZE_Msk (0x1Ful << MPU_RASR_SIZE_Pos) /*!< MPU RASR: Region Size Field Mask */
  479. #define MPU_RASR_ENA_Pos 0 /*!< MPU RASR: Region enable bit Position */
  480. #define MPU_RASR_ENA_Msk (0x1Ful << MPU_RASR_ENA_Pos) /*!< MPU RASR: Region enable bit Disable Mask */
  481. /*@}*/ /* end of group CMSIS_CM3_MPU */
  482. #endif
  483. /** @addtogroup CMSIS_CM3_CoreDebug CMSIS CM3 Core Debug
  484. memory mapped structure for Core Debug Register
  485. @{
  486. */
  487. typedef struct
  488. {
  489. __IO uint32_t DHCSR; /*!< Offset: 0x00 Debug Halting Control and Status Register */
  490. __O uint32_t DCRSR; /*!< Offset: 0x04 Debug Core Register Selector Register */
  491. __IO uint32_t DCRDR; /*!< Offset: 0x08 Debug Core Register Data Register */
  492. __IO uint32_t DEMCR; /*!< Offset: 0x0C Debug Exception and Monitor Control Register */
  493. } CoreDebug_Type;
  494. /* Debug Halting Control and Status Register */
  495. #define CoreDebug_DHCSR_DBGKEY_Pos 16 /*!< CoreDebug DHCSR: DBGKEY Position */
  496. #define CoreDebug_DHCSR_DBGKEY_Msk (0xFFFFul << CoreDebug_DHCSR_DBGKEY_Pos) /*!< CoreDebug DHCSR: DBGKEY Mask */
  497. #define CoreDebug_DHCSR_S_RESET_ST_Pos 25 /*!< CoreDebug DHCSR: S_RESET_ST Position */
  498. #define CoreDebug_DHCSR_S_RESET_ST_Msk (1ul << CoreDebug_DHCSR_S_RESET_ST_Pos) /*!< CoreDebug DHCSR: S_RESET_ST Mask */
  499. #define CoreDebug_DHCSR_S_RETIRE_ST_Pos 24 /*!< CoreDebug DHCSR: S_RETIRE_ST Position */
  500. #define CoreDebug_DHCSR_S_RETIRE_ST_Msk (1ul << CoreDebug_DHCSR_S_RETIRE_ST_Pos) /*!< CoreDebug DHCSR: S_RETIRE_ST Mask */
  501. #define CoreDebug_DHCSR_S_LOCKUP_Pos 19 /*!< CoreDebug DHCSR: S_LOCKUP Position */
  502. #define CoreDebug_DHCSR_S_LOCKUP_Msk (1ul << CoreDebug_DHCSR_S_LOCKUP_Pos) /*!< CoreDebug DHCSR: S_LOCKUP Mask */
  503. #define CoreDebug_DHCSR_S_SLEEP_Pos 18 /*!< CoreDebug DHCSR: S_SLEEP Position */
  504. #define CoreDebug_DHCSR_S_SLEEP_Msk (1ul << CoreDebug_DHCSR_S_SLEEP_Pos) /*!< CoreDebug DHCSR: S_SLEEP Mask */
  505. #define CoreDebug_DHCSR_S_HALT_Pos 17 /*!< CoreDebug DHCSR: S_HALT Position */
  506. #define CoreDebug_DHCSR_S_HALT_Msk (1ul << CoreDebug_DHCSR_S_HALT_Pos) /*!< CoreDebug DHCSR: S_HALT Mask */
  507. #define CoreDebug_DHCSR_S_REGRDY_Pos 16 /*!< CoreDebug DHCSR: S_REGRDY Position */
  508. #define CoreDebug_DHCSR_S_REGRDY_Msk (1ul << CoreDebug_DHCSR_S_REGRDY_Pos) /*!< CoreDebug DHCSR: S_REGRDY Mask */
  509. #define CoreDebug_DHCSR_C_SNAPSTALL_Pos 5 /*!< CoreDebug DHCSR: C_SNAPSTALL Position */
  510. #define CoreDebug_DHCSR_C_SNAPSTALL_Msk (1ul << CoreDebug_DHCSR_C_SNAPSTALL_Pos) /*!< CoreDebug DHCSR: C_SNAPSTALL Mask */
  511. #define CoreDebug_DHCSR_C_MASKINTS_Pos 3 /*!< CoreDebug DHCSR: C_MASKINTS Position */
  512. #define CoreDebug_DHCSR_C_MASKINTS_Msk (1ul << CoreDebug_DHCSR_C_MASKINTS_Pos) /*!< CoreDebug DHCSR: C_MASKINTS Mask */
  513. #define CoreDebug_DHCSR_C_STEP_Pos 2 /*!< CoreDebug DHCSR: C_STEP Position */
  514. #define CoreDebug_DHCSR_C_STEP_Msk (1ul << CoreDebug_DHCSR_C_STEP_Pos) /*!< CoreDebug DHCSR: C_STEP Mask */
  515. #define CoreDebug_DHCSR_C_HALT_Pos 1 /*!< CoreDebug DHCSR: C_HALT Position */
  516. #define CoreDebug_DHCSR_C_HALT_Msk (1ul << CoreDebug_DHCSR_C_HALT_Pos) /*!< CoreDebug DHCSR: C_HALT Mask */
  517. #define CoreDebug_DHCSR_C_DEBUGEN_Pos 0 /*!< CoreDebug DHCSR: C_DEBUGEN Position */
  518. #define CoreDebug_DHCSR_C_DEBUGEN_Msk (1ul << CoreDebug_DHCSR_C_DEBUGEN_Pos) /*!< CoreDebug DHCSR: C_DEBUGEN Mask */
  519. /* Debug Core Register Selector Register */
  520. #define CoreDebug_DCRSR_REGWnR_Pos 16 /*!< CoreDebug DCRSR: REGWnR Position */
  521. #define CoreDebug_DCRSR_REGWnR_Msk (1ul << CoreDebug_DCRSR_REGWnR_Pos) /*!< CoreDebug DCRSR: REGWnR Mask */
  522. #define CoreDebug_DCRSR_REGSEL_Pos 0 /*!< CoreDebug DCRSR: REGSEL Position */
  523. #define CoreDebug_DCRSR_REGSEL_Msk (0x1Ful << CoreDebug_DCRSR_REGSEL_Pos) /*!< CoreDebug DCRSR: REGSEL Mask */
  524. /* Debug Exception and Monitor Control Register */
  525. #define CoreDebug_DEMCR_TRCENA_Pos 24 /*!< CoreDebug DEMCR: TRCENA Position */
  526. #define CoreDebug_DEMCR_TRCENA_Msk (1ul << CoreDebug_DEMCR_TRCENA_Pos) /*!< CoreDebug DEMCR: TRCENA Mask */
  527. #define CoreDebug_DEMCR_MON_REQ_Pos 19 /*!< CoreDebug DEMCR: MON_REQ Position */
  528. #define CoreDebug_DEMCR_MON_REQ_Msk (1ul << CoreDebug_DEMCR_MON_REQ_Pos) /*!< CoreDebug DEMCR: MON_REQ Mask */
  529. #define CoreDebug_DEMCR_MON_STEP_Pos 18 /*!< CoreDebug DEMCR: MON_STEP Position */
  530. #define CoreDebug_DEMCR_MON_STEP_Msk (1ul << CoreDebug_DEMCR_MON_STEP_Pos) /*!< CoreDebug DEMCR: MON_STEP Mask */
  531. #define CoreDebug_DEMCR_MON_PEND_Pos 17 /*!< CoreDebug DEMCR: MON_PEND Position */
  532. #define CoreDebug_DEMCR_MON_PEND_Msk (1ul << CoreDebug_DEMCR_MON_PEND_Pos) /*!< CoreDebug DEMCR: MON_PEND Mask */
  533. #define CoreDebug_DEMCR_MON_EN_Pos 16 /*!< CoreDebug DEMCR: MON_EN Position */
  534. #define CoreDebug_DEMCR_MON_EN_Msk (1ul << CoreDebug_DEMCR_MON_EN_Pos) /*!< CoreDebug DEMCR: MON_EN Mask */
  535. #define CoreDebug_DEMCR_VC_HARDERR_Pos 10 /*!< CoreDebug DEMCR: VC_HARDERR Position */
  536. #define CoreDebug_DEMCR_VC_HARDERR_Msk (1ul << CoreDebug_DEMCR_VC_HARDERR_Pos) /*!< CoreDebug DEMCR: VC_HARDERR Mask */
  537. #define CoreDebug_DEMCR_VC_INTERR_Pos 9 /*!< CoreDebug DEMCR: VC_INTERR Position */
  538. #define CoreDebug_DEMCR_VC_INTERR_Msk (1ul << CoreDebug_DEMCR_VC_INTERR_Pos) /*!< CoreDebug DEMCR: VC_INTERR Mask */
  539. #define CoreDebug_DEMCR_VC_BUSERR_Pos 8 /*!< CoreDebug DEMCR: VC_BUSERR Position */
  540. #define CoreDebug_DEMCR_VC_BUSERR_Msk (1ul << CoreDebug_DEMCR_VC_BUSERR_Pos) /*!< CoreDebug DEMCR: VC_BUSERR Mask */
  541. #define CoreDebug_DEMCR_VC_STATERR_Pos 7 /*!< CoreDebug DEMCR: VC_STATERR Position */
  542. #define CoreDebug_DEMCR_VC_STATERR_Msk (1ul << CoreDebug_DEMCR_VC_STATERR_Pos) /*!< CoreDebug DEMCR: VC_STATERR Mask */
  543. #define CoreDebug_DEMCR_VC_CHKERR_Pos 6 /*!< CoreDebug DEMCR: VC_CHKERR Position */
  544. #define CoreDebug_DEMCR_VC_CHKERR_Msk (1ul << CoreDebug_DEMCR_VC_CHKERR_Pos) /*!< CoreDebug DEMCR: VC_CHKERR Mask */
  545. #define CoreDebug_DEMCR_VC_NOCPERR_Pos 5 /*!< CoreDebug DEMCR: VC_NOCPERR Position */
  546. #define CoreDebug_DEMCR_VC_NOCPERR_Msk (1ul << CoreDebug_DEMCR_VC_NOCPERR_Pos) /*!< CoreDebug DEMCR: VC_NOCPERR Mask */
  547. #define CoreDebug_DEMCR_VC_MMERR_Pos 4 /*!< CoreDebug DEMCR: VC_MMERR Position */
  548. #define CoreDebug_DEMCR_VC_MMERR_Msk (1ul << CoreDebug_DEMCR_VC_MMERR_Pos) /*!< CoreDebug DEMCR: VC_MMERR Mask */
  549. #define CoreDebug_DEMCR_VC_CORERESET_Pos 0 /*!< CoreDebug DEMCR: VC_CORERESET Position */
  550. #define CoreDebug_DEMCR_VC_CORERESET_Msk (1ul << CoreDebug_DEMCR_VC_CORERESET_Pos) /*!< CoreDebug DEMCR: VC_CORERESET Mask */
  551. /*@}*/ /* end of group CMSIS_CM3_CoreDebug */
  552. /* Memory mapping of Cortex-M3 Hardware */
  553. #define SCS_BASE (0xE000E000) /*!< System Control Space Base Address */
  554. #define ITM_BASE (0xE0000000) /*!< ITM Base Address */
  555. #define CoreDebug_BASE (0xE000EDF0) /*!< Core Debug Base Address */
  556. #define SysTick_BASE (SCS_BASE + 0x0010) /*!< SysTick Base Address */
  557. #define NVIC_BASE (SCS_BASE + 0x0100) /*!< NVIC Base Address */
  558. #define SCB_BASE (SCS_BASE + 0x0D00) /*!< System Control Block Base Address */
  559. #define InterruptType ((InterruptType_Type *) SCS_BASE) /*!< Interrupt Type Register */
  560. #define SCB ((SCB_Type *) SCB_BASE) /*!< SCB configuration struct */
  561. #define SysTick ((SysTick_Type *) SysTick_BASE) /*!< SysTick configuration struct */
  562. #define NVIC ((NVIC_Type *) NVIC_BASE) /*!< NVIC configuration struct */
  563. #define ITM ((ITM_Type *) ITM_BASE) /*!< ITM configuration struct */
  564. #define CoreDebug ((CoreDebug_Type *) CoreDebug_BASE) /*!< Core Debug configuration struct */
  565. #if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1)
  566. #define MPU_BASE (SCS_BASE + 0x0D90) /*!< Memory Protection Unit */
  567. #define MPU ((MPU_Type*) MPU_BASE) /*!< Memory Protection Unit */
  568. #endif
  569. /*@}*/ /* end of group CMSIS_CM3_core_register */
  570. /*******************************************************************************
  571. * Hardware Abstraction Layer
  572. ******************************************************************************/
  573. #if defined ( __CC_ARM )
  574. #define __ASM __asm /*!< asm keyword for ARM Compiler */
  575. #define __INLINE __inline /*!< inline keyword for ARM Compiler */
  576. #elif defined ( __ICCARM__ )
  577. #define __ASM __asm /*!< asm keyword for IAR Compiler */
  578. #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
  579. #elif defined ( __GNUC__ )
  580. #define __ASM __asm /*!< asm keyword for GNU Compiler */
  581. #define __INLINE inline /*!< inline keyword for GNU Compiler */
  582. #elif defined ( __TASKING__ )
  583. #define __ASM __asm /*!< asm keyword for TASKING Compiler */
  584. #define __INLINE inline /*!< inline keyword for TASKING Compiler */
  585. #endif
  586. /* ################### Compiler specific Intrinsics ########################### */
  587. #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
  588. /* ARM armcc specific functions */
  589. #define __enable_fault_irq __enable_fiq
  590. #define __disable_fault_irq __disable_fiq
  591. #define __NOP __nop
  592. #define __WFI __wfi
  593. #define __WFE __wfe
  594. #define __SEV __sev
  595. #define __ISB() __isb(0)
  596. #define __DSB() __dsb(0)
  597. #define __DMB() __dmb(0)
  598. #define __REV __rev
  599. #define __RBIT __rbit
  600. #define __LDREXB(ptr) ((unsigned char ) __ldrex(ptr))
  601. #define __LDREXH(ptr) ((unsigned short) __ldrex(ptr))
  602. #define __LDREXW(ptr) ((unsigned int ) __ldrex(ptr))
  603. #define __STREXB(value, ptr) __strex(value, ptr)
  604. #define __STREXH(value, ptr) __strex(value, ptr)
  605. #define __STREXW(value, ptr) __strex(value, ptr)
  606. /* intrinsic unsigned long long __ldrexd(volatile void *ptr) */
  607. /* intrinsic int __strexd(unsigned long long val, volatile void *ptr) */
  608. /* intrinsic void __enable_irq(); */
  609. /* intrinsic void __disable_irq(); */
  610. /**
  611. * @brief Return the Process Stack Pointer
  612. *
  613. * @return ProcessStackPointer
  614. *
  615. * Return the actual process stack pointer
  616. */
  617. extern uint32_t __get_PSP(void);
  618. /**
  619. * @brief Set the Process Stack Pointer
  620. *
  621. * @param topOfProcStack Process Stack Pointer
  622. *
  623. * Assign the value ProcessStackPointer to the MSP
  624. * (process stack pointer) Cortex processor register
  625. */
  626. extern void __set_PSP(uint32_t topOfProcStack);
  627. /**
  628. * @brief Return the Main Stack Pointer
  629. *
  630. * @return Main Stack Pointer
  631. *
  632. * Return the current value of the MSP (main stack pointer)
  633. * Cortex processor register
  634. */
  635. extern uint32_t __get_MSP(void);
  636. /**
  637. * @brief Set the Main Stack Pointer
  638. *
  639. * @param topOfMainStack Main Stack Pointer
  640. *
  641. * Assign the value mainStackPointer to the MSP
  642. * (main stack pointer) Cortex processor register
  643. */
  644. extern void __set_MSP(uint32_t topOfMainStack);
  645. /**
  646. * @brief Reverse byte order in unsigned short value
  647. *
  648. * @param value value to reverse
  649. * @return reversed value
  650. *
  651. * Reverse byte order in unsigned short value
  652. */
  653. extern uint32_t __REV16(uint16_t value);
  654. /**
  655. * @brief Reverse byte order in signed short value with sign extension to integer
  656. *
  657. * @param value value to reverse
  658. * @return reversed value
  659. *
  660. * Reverse byte order in signed short value with sign extension to integer
  661. */
  662. extern int32_t __REVSH(int16_t value);
  663. #if (__ARMCC_VERSION < 400000)
  664. /**
  665. * @brief Remove the exclusive lock created by ldrex
  666. *
  667. * Removes the exclusive lock which is created by ldrex.
  668. */
  669. extern void __CLREX(void);
  670. /**
  671. * @brief Return the Base Priority value
  672. *
  673. * @return BasePriority
  674. *
  675. * Return the content of the base priority register
  676. */
  677. extern uint32_t __get_BASEPRI(void);
  678. /**
  679. * @brief Set the Base Priority value
  680. *
  681. * @param basePri BasePriority
  682. *
  683. * Set the base priority register
  684. */
  685. extern void __set_BASEPRI(uint32_t basePri);
  686. /**
  687. * @brief Return the Priority Mask value
  688. *
  689. * @return PriMask
  690. *
  691. * Return state of the priority mask bit from the priority mask register
  692. */
  693. extern uint32_t __get_PRIMASK(void);
  694. /**
  695. * @brief Set the Priority Mask value
  696. *
  697. * @param priMask PriMask
  698. *
  699. * Set the priority mask bit in the priority mask register
  700. */
  701. extern void __set_PRIMASK(uint32_t priMask);
  702. /**
  703. * @brief Return the Fault Mask value
  704. *
  705. * @return FaultMask
  706. *
  707. * Return the content of the fault mask register
  708. */
  709. extern uint32_t __get_FAULTMASK(void);
  710. /**
  711. * @brief Set the Fault Mask value
  712. *
  713. * @param faultMask faultMask value
  714. *
  715. * Set the fault mask register
  716. */
  717. extern void __set_FAULTMASK(uint32_t faultMask);
  718. /**
  719. * @brief Return the Control Register value
  720. *
  721. * @return Control value
  722. *
  723. * Return the content of the control register
  724. */
  725. extern uint32_t __get_CONTROL(void);
  726. /**
  727. * @brief Set the Control Register value
  728. *
  729. * @param control Control value
  730. *
  731. * Set the control register
  732. */
  733. extern void __set_CONTROL(uint32_t control);
  734. #else /* (__ARMCC_VERSION >= 400000) */
  735. /**
  736. * @brief Remove the exclusive lock created by ldrex
  737. *
  738. * Removes the exclusive lock which is created by ldrex.
  739. */
  740. #define __CLREX __clrex
  741. /**
  742. * @brief Return the Base Priority value
  743. *
  744. * @return BasePriority
  745. *
  746. * Return the content of the base priority register
  747. */
  748. static __INLINE uint32_t __get_BASEPRI(void)
  749. {
  750. register uint32_t __regBasePri __ASM("basepri");
  751. return(__regBasePri);
  752. }
  753. /**
  754. * @brief Set the Base Priority value
  755. *
  756. * @param basePri BasePriority
  757. *
  758. * Set the base priority register
  759. */
  760. static __INLINE void __set_BASEPRI(uint32_t basePri)
  761. {
  762. register uint32_t __regBasePri __ASM("basepri");
  763. __regBasePri = (basePri & 0xff);
  764. }
  765. /**
  766. * @brief Return the Priority Mask value
  767. *
  768. * @return PriMask
  769. *
  770. * Return state of the priority mask bit from the priority mask register
  771. */
  772. static __INLINE uint32_t __get_PRIMASK(void)
  773. {
  774. register uint32_t __regPriMask __ASM("primask");
  775. return(__regPriMask);
  776. }
  777. /**
  778. * @brief Set the Priority Mask value
  779. *
  780. * @param priMask PriMask
  781. *
  782. * Set the priority mask bit in the priority mask register
  783. */
  784. static __INLINE void __set_PRIMASK(uint32_t priMask)
  785. {
  786. register uint32_t __regPriMask __ASM("primask");
  787. __regPriMask = (priMask);
  788. }
  789. /**
  790. * @brief Return the Fault Mask value
  791. *
  792. * @return FaultMask
  793. *
  794. * Return the content of the fault mask register
  795. */
  796. static __INLINE uint32_t __get_FAULTMASK(void)
  797. {
  798. register uint32_t __regFaultMask __ASM("faultmask");
  799. return(__regFaultMask);
  800. }
  801. /**
  802. * @brief Set the Fault Mask value
  803. *
  804. * @param faultMask faultMask value
  805. *
  806. * Set the fault mask register
  807. */
  808. static __INLINE void __set_FAULTMASK(uint32_t faultMask)
  809. {
  810. register uint32_t __regFaultMask __ASM("faultmask");
  811. __regFaultMask = (faultMask & 1);
  812. }
  813. /**
  814. * @brief Return the Control Register value
  815. *
  816. * @return Control value
  817. *
  818. * Return the content of the control register
  819. */
  820. static __INLINE uint32_t __get_CONTROL(void)
  821. {
  822. register uint32_t __regControl __ASM("control");
  823. return(__regControl);
  824. }
  825. /**
  826. * @brief Set the Control Register value
  827. *
  828. * @param control Control value
  829. *
  830. * Set the control register
  831. */
  832. static __INLINE void __set_CONTROL(uint32_t control)
  833. {
  834. register uint32_t __regControl __ASM("control");
  835. __regControl = control;
  836. }
  837. #endif /* __ARMCC_VERSION */
  838. #elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
  839. /* IAR iccarm specific functions */
  840. #define __enable_irq __enable_interrupt /*!< global Interrupt enable */
  841. #define __disable_irq __disable_interrupt /*!< global Interrupt disable */
  842. static __INLINE void __enable_fault_irq() { __ASM ("cpsie f"); }
  843. static __INLINE void __disable_fault_irq() { __ASM ("cpsid f"); }
  844. #define __NOP __no_operation /*!< no operation intrinsic in IAR Compiler */
  845. static __INLINE void __WFI() { __ASM ("wfi"); }
  846. static __INLINE void __WFE() { __ASM ("wfe"); }
  847. static __INLINE void __SEV() { __ASM ("sev"); }
  848. static __INLINE void __CLREX() { __ASM ("clrex"); }
  849. /* intrinsic void __ISB(void) */
  850. /* intrinsic void __DSB(void) */
  851. /* intrinsic void __DMB(void) */
  852. /* intrinsic void __set_PRIMASK(); */
  853. /* intrinsic void __get_PRIMASK(); */
  854. /* intrinsic void __set_FAULTMASK(); */
  855. /* intrinsic void __get_FAULTMASK(); */
  856. /* intrinsic uint32_t __REV(uint32_t value); */
  857. /* intrinsic uint32_t __REVSH(uint32_t value); */
  858. /* intrinsic unsigned long __STREX(unsigned long, unsigned long); */
  859. /* intrinsic unsigned long __LDREX(unsigned long *); */
  860. /**
  861. * @brief Return the Process Stack Pointer
  862. *
  863. * @return ProcessStackPointer
  864. *
  865. * Return the actual process stack pointer
  866. */
  867. #if (__VER__ < 6020000)
  868. extern uint32_t __get_PSP(void);
  869. #endif
  870. /**
  871. * @brief Set the Process Stack Pointer
  872. *
  873. * @param topOfProcStack Process Stack Pointer
  874. *
  875. * Assign the value ProcessStackPointer to the MSP
  876. * (process stack pointer) Cortex processor register
  877. */
  878. #if (__VER__ < 6020000)
  879. extern void __set_PSP(uint32_t topOfProcStack);
  880. #endif
  881. /**
  882. * @brief Return the Main Stack Pointer
  883. *
  884. * @return Main Stack Pointer
  885. *
  886. * Return the current value of the MSP (main stack pointer)
  887. * Cortex processor register
  888. */
  889. #if (__VER__ < 6020000)
  890. extern uint32_t __get_MSP(void);
  891. #endif
  892. /**
  893. * @brief Set the Main Stack Pointer
  894. *
  895. * @param topOfMainStack Main Stack Pointer
  896. *
  897. * Assign the value mainStackPointer to the MSP
  898. * (main stack pointer) Cortex processor register
  899. */
  900. #if (__VER__ < 6020000)
  901. extern void __set_MSP(uint32_t topOfMainStack);
  902. #endif
  903. /**
  904. * @brief Reverse byte order in unsigned short value
  905. *
  906. * @param value value to reverse
  907. * @return reversed value
  908. *
  909. * Reverse byte order in unsigned short value
  910. */
  911. #if (__VER__ < 6020000)
  912. extern uint32_t __REV16(uint16_t value);
  913. #endif
  914. /**
  915. * @brief Reverse bit order of value
  916. *
  917. * @param value value to reverse
  918. * @return reversed value
  919. *
  920. * Reverse bit order of value
  921. */
  922. #if (__VER__ < 6020000)
  923. extern uint32_t __RBIT(uint32_t value);
  924. #endif
  925. /**
  926. * @brief LDR Exclusive (8 bit)
  927. *
  928. * @param *addr address pointer
  929. * @return value of (*address)
  930. *
  931. * Exclusive LDR command for 8 bit values)
  932. */
  933. #if (__VER__ < 6020000)
  934. extern uint8_t __LDREXB(uint8_t *addr);
  935. #endif
  936. /**
  937. * @brief LDR Exclusive (16 bit)
  938. *
  939. * @param *addr address pointer
  940. * @return value of (*address)
  941. *
  942. * Exclusive LDR command for 16 bit values
  943. */
  944. #if (__VER__ < 6020000)
  945. extern uint16_t __LDREXH(uint16_t *addr);
  946. #endif
  947. /**
  948. * @brief LDR Exclusive (32 bit)
  949. *
  950. * @param *addr address pointer
  951. * @return value of (*address)
  952. *
  953. * Exclusive LDR command for 32 bit values
  954. */
  955. extern uint32_t __LDREXW(uint32_t *addr);
  956. /**
  957. * @brief STR Exclusive (8 bit)
  958. *
  959. * @param value value to store
  960. * @param *addr address pointer
  961. * @return successful / failed
  962. *
  963. * Exclusive STR command for 8 bit values
  964. */
  965. #if (__VER__ < 6020000)
  966. extern uint32_t __STREXB(uint8_t value, uint8_t *addr);
  967. #endif
  968. /**
  969. * @brief STR Exclusive (16 bit)
  970. *
  971. * @param value value to store
  972. * @param *addr address pointer
  973. * @return successful / failed
  974. *
  975. * Exclusive STR command for 16 bit values
  976. */
  977. #if (__VER__ < 6020000)
  978. extern uint32_t __STREXH(uint16_t value, uint16_t *addr);
  979. #endif
  980. /**
  981. * @brief STR Exclusive (32 bit)
  982. *
  983. * @param value value to store
  984. * @param *addr address pointer
  985. * @return successful / failed
  986. *
  987. * Exclusive STR command for 32 bit values
  988. */
  989. extern uint32_t __STREXW(uint32_t value, uint32_t *addr);
  990. #elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
  991. /* GNU gcc specific functions */
  992. static __INLINE void __enable_irq(void) { __ASM volatile ("cpsie i"); }
  993. static __INLINE void __disable_irq(void) { __ASM volatile ("cpsid i"); }
  994. static __INLINE void __enable_fault_irq(void) { __ASM volatile ("cpsie f"); }
  995. static __INLINE void __disable_fault_irq(void) { __ASM volatile ("cpsid f"); }
  996. static __INLINE void __NOP(void) { __ASM volatile ("nop"); }
  997. static __INLINE void __WFI(void) { __ASM volatile ("wfi"); }
  998. static __INLINE void __WFE(void) { __ASM volatile ("wfe"); }
  999. static __INLINE void __SEV(void) { __ASM volatile ("sev"); }
  1000. static __INLINE void __ISB(void) { __ASM volatile ("isb"); }
  1001. static __INLINE void __DSB(void) { __ASM volatile ("dsb"); }
  1002. static __INLINE void __DMB(void) { __ASM volatile ("dmb"); }
  1003. static __INLINE void __CLREX(void) { __ASM volatile ("clrex"); }
  1004. /**
  1005. * @brief Return the Process Stack Pointer
  1006. *
  1007. * @return ProcessStackPointer
  1008. *
  1009. * Return the actual process stack pointer
  1010. */
  1011. extern uint32_t __get_PSP(void);
  1012. /**
  1013. * @brief Set the Process Stack Pointer
  1014. *
  1015. * @param topOfProcStack Process Stack Pointer
  1016. *
  1017. * Assign the value ProcessStackPointer to the MSP
  1018. * (process stack pointer) Cortex processor register
  1019. */
  1020. extern void __set_PSP(uint32_t topOfProcStack);
  1021. /**
  1022. * @brief Return the Main Stack Pointer
  1023. *
  1024. * @return Main Stack Pointer
  1025. *
  1026. * Return the current value of the MSP (main stack pointer)
  1027. * Cortex processor register
  1028. */
  1029. extern uint32_t __get_MSP(void);
  1030. /**
  1031. * @brief Set the Main Stack Pointer
  1032. *
  1033. * @param topOfMainStack Main Stack Pointer
  1034. *
  1035. * Assign the value mainStackPointer to the MSP
  1036. * (main stack pointer) Cortex processor register
  1037. */
  1038. extern void __set_MSP(uint32_t topOfMainStack);
  1039. /**
  1040. * @brief Return the Base Priority value
  1041. *
  1042. * @return BasePriority
  1043. *
  1044. * Return the content of the base priority register
  1045. */
  1046. extern uint32_t __get_BASEPRI(void);
  1047. /**
  1048. * @brief Set the Base Priority value
  1049. *
  1050. * @param basePri BasePriority
  1051. *
  1052. * Set the base priority register
  1053. */
  1054. extern void __set_BASEPRI(uint32_t basePri);
  1055. /**
  1056. * @brief Return the Priority Mask value
  1057. *
  1058. * @return PriMask
  1059. *
  1060. * Return state of the priority mask bit from the priority mask register
  1061. */
  1062. extern uint32_t __get_PRIMASK(void);
  1063. /**
  1064. * @brief Set the Priority Mask value
  1065. *
  1066. * @param priMask PriMask
  1067. *
  1068. * Set the priority mask bit in the priority mask register
  1069. */
  1070. extern void __set_PRIMASK(uint32_t priMask);
  1071. /**
  1072. * @brief Return the Fault Mask value
  1073. *
  1074. * @return FaultMask
  1075. *
  1076. * Return the content of the fault mask register
  1077. */
  1078. extern uint32_t __get_FAULTMASK(void);
  1079. /**
  1080. * @brief Set the Fault Mask value
  1081. *
  1082. * @param faultMask faultMask value
  1083. *
  1084. * Set the fault mask register
  1085. */
  1086. extern void __set_FAULTMASK(uint32_t faultMask);
  1087. /**
  1088. * @brief Return the Control Register value
  1089. *
  1090. * @return Control value
  1091. *
  1092. * Return the content of the control register
  1093. */
  1094. extern uint32_t __get_CONTROL(void);
  1095. /**
  1096. * @brief Set the Control Register value
  1097. *
  1098. * @param control Control value
  1099. *
  1100. * Set the control register
  1101. */
  1102. extern void __set_CONTROL(uint32_t control);
  1103. /**
  1104. * @brief Reverse byte order in integer value
  1105. *
  1106. * @param value value to reverse
  1107. * @return reversed value
  1108. *
  1109. * Reverse byte order in integer value
  1110. */
  1111. extern uint32_t __REV(uint32_t value);
  1112. /**
  1113. * @brief Reverse byte order in unsigned short value
  1114. *
  1115. * @param value value to reverse
  1116. * @return reversed value
  1117. *
  1118. * Reverse byte order in unsigned short value
  1119. */
  1120. extern uint32_t __REV16(uint16_t value);
  1121. /**
  1122. * @brief Reverse byte order in signed short value with sign extension to integer
  1123. *
  1124. * @param value value to reverse
  1125. * @return reversed value
  1126. *
  1127. * Reverse byte order in signed short value with sign extension to integer
  1128. */
  1129. extern int32_t __REVSH(int16_t value);
  1130. /**
  1131. * @brief Reverse bit order of value
  1132. *
  1133. * @param value value to reverse
  1134. * @return reversed value
  1135. *
  1136. * Reverse bit order of value
  1137. */
  1138. extern uint32_t __RBIT(uint32_t value);
  1139. /**
  1140. * @brief LDR Exclusive (8 bit)
  1141. *
  1142. * @param *addr address pointer
  1143. * @return value of (*address)
  1144. *
  1145. * Exclusive LDR command for 8 bit value
  1146. */
  1147. extern uint8_t __LDREXB(uint8_t *addr);
  1148. /**
  1149. * @brief LDR Exclusive (16 bit)
  1150. *
  1151. * @param *addr address pointer
  1152. * @return value of (*address)
  1153. *
  1154. * Exclusive LDR command for 16 bit values
  1155. */
  1156. extern uint16_t __LDREXH(uint16_t *addr);
  1157. /**
  1158. * @brief LDR Exclusive (32 bit)
  1159. *
  1160. * @param *addr address pointer
  1161. * @return value of (*address)
  1162. *
  1163. * Exclusive LDR command for 32 bit values
  1164. */
  1165. extern uint32_t __LDREXW(uint32_t *addr);
  1166. /**
  1167. * @brief STR Exclusive (8 bit)
  1168. *
  1169. * @param value value to store
  1170. * @param *addr address pointer
  1171. * @return successful / failed
  1172. *
  1173. * Exclusive STR command for 8 bit values
  1174. */
  1175. extern uint32_t __STREXB(uint8_t value, uint8_t *addr);
  1176. /**
  1177. * @brief STR Exclusive (16 bit)
  1178. *
  1179. * @param value value to store
  1180. * @param *addr address pointer
  1181. * @return successful / failed
  1182. *
  1183. * Exclusive STR command for 16 bit values
  1184. */
  1185. extern uint32_t __STREXH(uint16_t value, uint16_t *addr);
  1186. /**
  1187. * @brief STR Exclusive (32 bit)
  1188. *
  1189. * @param value value to store
  1190. * @param *addr address pointer
  1191. * @return successful / failed
  1192. *
  1193. * Exclusive STR command for 32 bit values
  1194. */
  1195. extern uint32_t __STREXW(uint32_t value, uint32_t *addr);
  1196. #elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
  1197. /* TASKING carm specific functions */
  1198. /*
  1199. * The CMSIS functions have been implemented as intrinsics in the compiler.
  1200. * Please use "carm -?i" to get an up to date list of all instrinsics,
  1201. * Including the CMSIS ones.
  1202. */
  1203. #endif
  1204. /** @addtogroup CMSIS_CM3_Core_FunctionInterface CMSIS CM3 Core Function Interface
  1205. Core Function Interface containing:
  1206. - Core NVIC Functions
  1207. - Core SysTick Functions
  1208. - Core Reset Functions
  1209. */
  1210. /*@{*/
  1211. /* ########################## NVIC functions #################################### */
  1212. /**
  1213. * @brief Set the Priority Grouping in NVIC Interrupt Controller
  1214. *
  1215. * @param PriorityGroup is priority grouping field
  1216. *
  1217. * Set the priority grouping field using the required unlock sequence.
  1218. * The parameter priority_grouping is assigned to the field
  1219. * SCB->AIRCR [10:8] PRIGROUP field. Only values from 0..7 are used.
  1220. * In case of a conflict between priority grouping and available
  1221. * priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set.
  1222. */
  1223. static __INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
  1224. {
  1225. uint32_t reg_value;
  1226. uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
  1227. reg_value = SCB->AIRCR; /* read old register configuration */
  1228. reg_value &= ~(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_PRIGROUP_Msk); /* clear bits to change */
  1229. reg_value = (reg_value |
  1230. (0x5FA << SCB_AIRCR_VECTKEY_Pos) |
  1231. (PriorityGroupTmp << 8)); /* Insert write key and priorty group */
  1232. SCB->AIRCR = reg_value;
  1233. }
  1234. /**
  1235. * @brief Get the Priority Grouping from NVIC Interrupt Controller
  1236. *
  1237. * @return priority grouping field
  1238. *
  1239. * Get the priority grouping from NVIC Interrupt Controller.
  1240. * priority grouping is SCB->AIRCR [10:8] PRIGROUP field.
  1241. */
  1242. static __INLINE uint32_t NVIC_GetPriorityGrouping(void)
  1243. {
  1244. return ((SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) >> SCB_AIRCR_PRIGROUP_Pos); /* read priority grouping field */
  1245. }
  1246. /**
  1247. * @brief Enable Interrupt in NVIC Interrupt Controller
  1248. *
  1249. * @param IRQn The positive number of the external interrupt to enable
  1250. *
  1251. * Enable a device specific interupt in the NVIC interrupt controller.
  1252. * The interrupt number cannot be a negative value.
  1253. */
  1254. static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
  1255. {
  1256. NVIC->ISER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* enable interrupt */
  1257. }
  1258. /**
  1259. * @brief Disable the interrupt line for external interrupt specified
  1260. *
  1261. * @param IRQn The positive number of the external interrupt to disable
  1262. *
  1263. * Disable a device specific interupt in the NVIC interrupt controller.
  1264. * The interrupt number cannot be a negative value.
  1265. */
  1266. static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
  1267. {
  1268. NVIC->ICER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* disable interrupt */
  1269. }
  1270. /**
  1271. * @brief Read the interrupt pending bit for a device specific interrupt source
  1272. *
  1273. * @param IRQn The number of the device specifc interrupt
  1274. * @return 1 = interrupt pending, 0 = interrupt not pending
  1275. *
  1276. * Read the pending register in NVIC and return 1 if its status is pending,
  1277. * otherwise it returns 0
  1278. */
  1279. static __INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
  1280. {
  1281. return((uint32_t) ((NVIC->ISPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if pending else 0 */
  1282. }
  1283. /**
  1284. * @brief Set the pending bit for an external interrupt
  1285. *
  1286. * @param IRQn The number of the interrupt for set pending
  1287. *
  1288. * Set the pending bit for the specified interrupt.
  1289. * The interrupt number cannot be a negative value.
  1290. */
  1291. static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
  1292. {
  1293. NVIC->ISPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* set interrupt pending */
  1294. }
  1295. /**
  1296. * @brief Clear the pending bit for an external interrupt
  1297. *
  1298. * @param IRQn The number of the interrupt for clear pending
  1299. *
  1300. * Clear the pending bit for the specified interrupt.
  1301. * The interrupt number cannot be a negative value.
  1302. */
  1303. static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
  1304. {
  1305. NVIC->ICPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
  1306. }
  1307. /**
  1308. * @brief Read the active bit for an external interrupt
  1309. *
  1310. * @param IRQn The number of the interrupt for read active bit
  1311. * @return 1 = interrupt active, 0 = interrupt not active
  1312. *
  1313. * Read the active register in NVIC and returns 1 if its status is active,
  1314. * otherwise it returns 0.
  1315. */
  1316. static __INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
  1317. {
  1318. return((uint32_t)((NVIC->IABR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if active else 0 */
  1319. }
  1320. /**
  1321. * @brief Set the priority for an interrupt
  1322. *
  1323. * @param IRQn The number of the interrupt for set priority
  1324. * @param priority The priority to set
  1325. *
  1326. * Set the priority for the specified interrupt. The interrupt
  1327. * number can be positive to specify an external (device specific)
  1328. * interrupt, or negative to specify an internal (core) interrupt.
  1329. *
  1330. * Note: The priority cannot be set for every core interrupt.
  1331. */
  1332. static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
  1333. {
  1334. if(IRQn < 0) {
  1335. SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for Cortex-M3 System Interrupts */
  1336. else {
  1337. NVIC->IP[(uint32_t)(IRQn)] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for device specific Interrupts */
  1338. }
  1339. /**
  1340. * @brief Read the priority for an interrupt
  1341. *
  1342. * @param IRQn The number of the interrupt for get priority
  1343. * @return The priority for the interrupt
  1344. *
  1345. * Read the priority for the specified interrupt. The interrupt
  1346. * number can be positive to specify an external (device specific)
  1347. * interrupt, or negative to specify an internal (core) interrupt.
  1348. *
  1349. * The returned priority value is automatically aligned to the implemented
  1350. * priority bits of the microcontroller.
  1351. *
  1352. * Note: The priority cannot be set for every core interrupt.
  1353. */
  1354. static __INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
  1355. {
  1356. if(IRQn < 0) {
  1357. return((uint32_t)(SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M3 system interrupts */
  1358. else {
  1359. return((uint32_t)(NVIC->IP[(uint32_t)(IRQn)] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */
  1360. }
  1361. /**
  1362. * @brief Encode the priority for an interrupt
  1363. *
  1364. * @param PriorityGroup The used priority group
  1365. * @param PreemptPriority The preemptive priority value (starting from 0)
  1366. * @param SubPriority The sub priority value (starting from 0)
  1367. * @return The encoded priority for the interrupt
  1368. *
  1369. * Encode the priority for an interrupt with the given priority group,
  1370. * preemptive priority value and sub priority value.
  1371. * In case of a conflict between priority grouping and available
  1372. * priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set.
  1373. *
  1374. * The returned priority value can be used for NVIC_SetPriority(...) function
  1375. */
  1376. static __INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
  1377. {
  1378. uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
  1379. uint32_t PreemptPriorityBits;
  1380. uint32_t SubPriorityBits;
  1381. PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp;
  1382. SubPriorityBits = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS;
  1383. return (
  1384. ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) |
  1385. ((SubPriority & ((1 << (SubPriorityBits )) - 1)))
  1386. );
  1387. }
  1388. /**
  1389. * @brief Decode the priority of an interrupt
  1390. *
  1391. * @param Priority The priority for the interrupt
  1392. * @param PriorityGroup The used priority group
  1393. * @param pPreemptPriority The preemptive priority value (starting from 0)
  1394. * @param pSubPriority The sub priority value (starting from 0)
  1395. *
  1396. * Decode an interrupt priority value with the given priority group to
  1397. * preemptive priority value and sub priority value.
  1398. * In case of a conflict between priority grouping and available
  1399. * priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set.
  1400. *
  1401. * The priority value can be retrieved with NVIC_GetPriority(...) function
  1402. */
  1403. static __INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
  1404. {
  1405. uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
  1406. uint32_t PreemptPriorityBits;
  1407. uint32_t SubPriorityBits;
  1408. PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp;
  1409. SubPriorityBits = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS;
  1410. *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1);
  1411. *pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1);
  1412. }
  1413. /* ################################## SysTick function ############################################ */
  1414. #if (!defined (__Vendor_SysTickConfig)) || (__Vendor_SysTickConfig == 0)
  1415. /**
  1416. * @brief Initialize and start the SysTick counter and its interrupt.
  1417. *
  1418. * @param ticks number of ticks between two interrupts
  1419. * @return 1 = failed, 0 = successful
  1420. *
  1421. * Initialise the system tick timer and its interrupt and start the
  1422. * system tick timer / counter in free running mode to generate
  1423. * periodical interrupts.
  1424. */
  1425. static __INLINE uint32_t SysTick_Config(uint32_t ticks)
  1426. {
  1427. if (ticks > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value impossible */
  1428. SysTick->LOAD = (ticks & SysTick_LOAD_RELOAD_Msk) - 1; /* set reload register */
  1429. NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */
  1430. SysTick->VAL = 0; /* Load the SysTick Counter Value */
  1431. SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
  1432. SysTick_CTRL_TICKINT_Msk |
  1433. SysTick_CTRL_ENABLE_Msk; /* Enable SysTick IRQ and SysTick Timer */
  1434. return (0); /* Function successful */
  1435. }
  1436. #endif
  1437. /* ################################## Reset function ############################################ */
  1438. /**
  1439. * @brief Initiate a system reset request.
  1440. *
  1441. * Initiate a system reset request to reset the MCU
  1442. */
  1443. static __INLINE void NVIC_SystemReset(void)
  1444. {
  1445. SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) |
  1446. (SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) |
  1447. SCB_AIRCR_SYSRESETREQ_Msk); /* Keep priority group unchanged */
  1448. __DSB(); /* Ensure completion of memory access */
  1449. while(1); /* wait until reset */
  1450. }
  1451. /*@}*/ /* end of group CMSIS_CM3_Core_FunctionInterface */
  1452. /* ##################################### Debug In/Output function ########################################### */
  1453. /** @addtogroup CMSIS_CM3_CoreDebugInterface CMSIS CM3 Core Debug Interface
  1454. Core Debug Interface containing:
  1455. - Core Debug Receive / Transmit Functions
  1456. - Core Debug Defines
  1457. - Core Debug Variables
  1458. */
  1459. /*@{*/
  1460. extern volatile int ITM_RxBuffer; /*!< variable to receive characters */
  1461. #define ITM_RXBUFFER_EMPTY 0x5AA55AA5 /*!< value identifying ITM_RxBuffer is ready for next character */
  1462. /**
  1463. * @brief Outputs a character via the ITM channel 0
  1464. *
  1465. * @param ch character to output
  1466. * @return character to output
  1467. *
  1468. * The function outputs a character via the ITM channel 0.
  1469. * The function returns when no debugger is connected that has booked the output.
  1470. * It is blocking when a debugger is connected, but the previous character send is not transmitted.
  1471. */
  1472. static __INLINE uint32_t ITM_SendChar (uint32_t ch)
  1473. {
  1474. if ((CoreDebug->DEMCR & CoreDebug_DEMCR_TRCENA_Msk) && /* Trace enabled */
  1475. (ITM->TCR & ITM_TCR_ITMENA_Msk) && /* ITM enabled */
  1476. (ITM->TER & (1ul << 0) ) ) /* ITM Port #0 enabled */
  1477. {
  1478. while (ITM->PORT[0].u32 == 0);
  1479. ITM->PORT[0].u8 = (uint8_t) ch;
  1480. }
  1481. return (ch);
  1482. }
  1483. /**
  1484. * @brief Inputs a character via variable ITM_RxBuffer
  1485. *
  1486. * @return received character, -1 = no character received
  1487. *
  1488. * The function inputs a character via variable ITM_RxBuffer.
  1489. * The function returns when no debugger is connected that has booked the output.
  1490. * It is blocking when a debugger is connected, but the previous character send is not transmitted.
  1491. */
  1492. static __INLINE int ITM_ReceiveChar (void) {
  1493. int ch = -1; /* no character available */
  1494. if (ITM_RxBuffer != ITM_RXBUFFER_EMPTY) {
  1495. ch = ITM_RxBuffer;
  1496. ITM_RxBuffer = ITM_RXBUFFER_EMPTY; /* ready for next character */
  1497. }
  1498. return (ch);
  1499. }
  1500. /**
  1501. * @brief Check if a character via variable ITM_RxBuffer is available
  1502. *
  1503. * @return 1 = character available, 0 = no character available
  1504. *
  1505. * The function checks variable ITM_RxBuffer whether a character is available or not.
  1506. * The function returns '1' if a character is available and '0' if no character is available.
  1507. */
  1508. static __INLINE int ITM_CheckChar (void) {
  1509. if (ITM_RxBuffer == ITM_RXBUFFER_EMPTY) {
  1510. return (0); /* no character available */
  1511. } else {
  1512. return (1); /* character available */
  1513. }
  1514. }
  1515. /*@}*/ /* end of group CMSIS_CM3_core_DebugInterface */
  1516. #ifdef __cplusplus
  1517. }
  1518. #endif
  1519. /*@}*/ /* end of group CMSIS_CM3_core_definitions */
  1520. #endif /* __CM3_CORE_H__ */
  1521. /*lint -restore */