航空研究会 / mbed

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LPC2368/core_arm7.h@40:976df7c37ad5, 2012-06-12 (annotated)

Committer:
emilmont
Date:
Tue Jun 12 18:23:44 2012 +0100
Revision:
40:976df7c37ad5
First build for the new build system

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 40:976df7c37ad5 1 /* mbed Microcontroller Library
emilmont 40:976df7c37ad5 2 * Copyright (C) 2008-2009 ARM Limited. All rights reserved.
emilmont 40:976df7c37ad5 3 *
emilmont 40:976df7c37ad5 4 * ARM7 version of CMSIS-like functionality - not advised for use outside mbed!
emilmont 40:976df7c37ad5 5 * based on core_cm3.h, V1.20
emilmont 40:976df7c37ad5 6 */
emilmont 40:976df7c37ad5 7
emilmont 40:976df7c37ad5 8 #ifndef __ARM7_CORE_H__
emilmont 40:976df7c37ad5 9 #define __ARM7_CORE_H__
emilmont 40:976df7c37ad5 10
emilmont 40:976df7c37ad5 11 #ifdef __cplusplus
emilmont 40:976df7c37ad5 12 extern "C" {
emilmont 40:976df7c37ad5 13 #endif
emilmont 40:976df7c37ad5 14
emilmont 40:976df7c37ad5 15 #define __CM3_CMSIS_VERSION_MAIN (0x01) /*!< [31:16] CMSIS HAL main version */
emilmont 40:976df7c37ad5 16 #define __CM3_CMSIS_VERSION_SUB (0x20) /*!< [15:0] CMSIS HAL sub version */
emilmont 40:976df7c37ad5 17 #define __CM3_CMSIS_VERSION ((__CM3_CMSIS_VERSION_MAIN << 16) | __CM3_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */
emilmont 40:976df7c37ad5 18
emilmont 40:976df7c37ad5 19 #define __CORTEX_M (0x03) /*!< Cortex core */
emilmont 40:976df7c37ad5 20
emilmont 40:976df7c37ad5 21 /**
emilmont 40:976df7c37ad5 22 * Lint configuration \n
emilmont 40:976df7c37ad5 23 * ----------------------- \n
emilmont 40:976df7c37ad5 24 *
emilmont 40:976df7c37ad5 25 * The following Lint messages will be suppressed and not shown: \n
emilmont 40:976df7c37ad5 26 * \n
emilmont 40:976df7c37ad5 27 * --- Error 10: --- \n
emilmont 40:976df7c37ad5 28 * register uint32_t __regBasePri __asm("basepri"); \n
emilmont 40:976df7c37ad5 29 * Error 10: Expecting ';' \n
emilmont 40:976df7c37ad5 30 * \n
emilmont 40:976df7c37ad5 31 * --- Error 530: --- \n
emilmont 40:976df7c37ad5 32 * return(__regBasePri); \n
emilmont 40:976df7c37ad5 33 * Warning 530: Symbol '__regBasePri' (line 264) not initialized \n
emilmont 40:976df7c37ad5 34 * \n
emilmont 40:976df7c37ad5 35 * --- Error 550: --- \n
emilmont 40:976df7c37ad5 36 * __regBasePri = (basePri & 0x1ff); \n
emilmont 40:976df7c37ad5 37 * } \n
emilmont 40:976df7c37ad5 38 * Warning 550: Symbol '__regBasePri' (line 271) not accessed \n
emilmont 40:976df7c37ad5 39 * \n
emilmont 40:976df7c37ad5 40 * --- Error 754: --- \n
emilmont 40:976df7c37ad5 41 * uint32_t RESERVED0[24]; \n
emilmont 40:976df7c37ad5 42 * Info 754: local structure member '<some, not used in the HAL>' (line 109, file ./cm3_core.h) not referenced \n
emilmont 40:976df7c37ad5 43 * \n
emilmont 40:976df7c37ad5 44 * --- Error 750: --- \n
emilmont 40:976df7c37ad5 45 * #define __CM3_CORE_H__ \n
emilmont 40:976df7c37ad5 46 * Info 750: local macro '__CM3_CORE_H__' (line 43, file./cm3_core.h) not referenced \n
emilmont 40:976df7c37ad5 47 * \n
emilmont 40:976df7c37ad5 48 * --- Error 528: --- \n
emilmont 40:976df7c37ad5 49 * static __INLINE void NVIC_DisableIRQ(uint32_t IRQn) \n
emilmont 40:976df7c37ad5 50 * Warning 528: Symbol 'NVIC_DisableIRQ(unsigned int)' (line 419, file ./cm3_core.h) not referenced \n
emilmont 40:976df7c37ad5 51 * \n
emilmont 40:976df7c37ad5 52 * --- Error 751: --- \n
emilmont 40:976df7c37ad5 53 * } InterruptType_Type; \n
emilmont 40:976df7c37ad5 54 * Info 751: local typedef 'InterruptType_Type' (line 170, file ./cm3_core.h) not referenced \n
emilmont 40:976df7c37ad5 55 * \n
emilmont 40:976df7c37ad5 56 * \n
emilmont 40:976df7c37ad5 57 * Note: To re-enable a Message, insert a space before 'lint' * \n
emilmont 40:976df7c37ad5 58 *
emilmont 40:976df7c37ad5 59 */
emilmont 40:976df7c37ad5 60
emilmont 40:976df7c37ad5 61 /*lint -save */
emilmont 40:976df7c37ad5 62 /*lint -e10 */
emilmont 40:976df7c37ad5 63 /*lint -e530 */
emilmont 40:976df7c37ad5 64 /*lint -e550 */
emilmont 40:976df7c37ad5 65 /*lint -e754 */
emilmont 40:976df7c37ad5 66 /*lint -e750 */
emilmont 40:976df7c37ad5 67 /*lint -e528 */
emilmont 40:976df7c37ad5 68 /*lint -e751 */
emilmont 40:976df7c37ad5 69
emilmont 40:976df7c37ad5 70 #include <stdint.h> /* Include standard types */
emilmont 40:976df7c37ad5 71
emilmont 40:976df7c37ad5 72 #if defined ( __CC_ARM )
emilmont 40:976df7c37ad5 73 /**
emilmont 40:976df7c37ad5 74 * @brief Return the Main Stack Pointer (current ARM7 stack)
emilmont 40:976df7c37ad5 75 *
emilmont 40:976df7c37ad5 76 * @param none
emilmont 40:976df7c37ad5 77 * @return uint32_t Main Stack Pointer
emilmont 40:976df7c37ad5 78 *
emilmont 40:976df7c37ad5 79 * Return the current value of the MSP (main stack pointer)
emilmont 40:976df7c37ad5 80 * Cortex processor register
emilmont 40:976df7c37ad5 81 */
emilmont 40:976df7c37ad5 82 extern uint32_t __get_MSP(void);
emilmont 40:976df7c37ad5 83 #endif
emilmont 40:976df7c37ad5 84
emilmont 40:976df7c37ad5 85
emilmont 40:976df7c37ad5 86 #if defined (__ICCARM__)
emilmont 40:976df7c37ad5 87 #include <intrinsics.h> /* IAR Intrinsics */
emilmont 40:976df7c37ad5 88 #endif
emilmont 40:976df7c37ad5 89
emilmont 40:976df7c37ad5 90
emilmont 40:976df7c37ad5 91 #ifndef __NVIC_PRIO_BITS
emilmont 40:976df7c37ad5 92 #define __NVIC_PRIO_BITS 4 /*!< standard definition for NVIC Priority Bits */
emilmont 40:976df7c37ad5 93 #endif
emilmont 40:976df7c37ad5 94
emilmont 40:976df7c37ad5 95 typedef struct
emilmont 40:976df7c37ad5 96 {
emilmont 40:976df7c37ad5 97 uint32_t IRQStatus;
emilmont 40:976df7c37ad5 98 uint32_t FIQStatus;
emilmont 40:976df7c37ad5 99 uint32_t RawIntr;
emilmont 40:976df7c37ad5 100 uint32_t IntSelect;
emilmont 40:976df7c37ad5 101 uint32_t IntEnable;
emilmont 40:976df7c37ad5 102 uint32_t IntEnClr;
emilmont 40:976df7c37ad5 103 uint32_t SoftInt;
emilmont 40:976df7c37ad5 104 uint32_t SoftIntClr;
emilmont 40:976df7c37ad5 105 uint32_t Protection;
emilmont 40:976df7c37ad5 106 uint32_t SWPriorityMask;
emilmont 40:976df7c37ad5 107 uint32_t RESERVED0[54];
emilmont 40:976df7c37ad5 108 uint32_t VectAddr[32];
emilmont 40:976df7c37ad5 109 uint32_t RESERVED1[32];
emilmont 40:976df7c37ad5 110 uint32_t VectPriority[32];
emilmont 40:976df7c37ad5 111 uint32_t RESERVED2[800];
emilmont 40:976df7c37ad5 112 uint32_t Address;
emilmont 40:976df7c37ad5 113 } NVIC_TypeDef;
emilmont 40:976df7c37ad5 114
emilmont 40:976df7c37ad5 115 #define NVIC_BASE (0xFFFFF000)
emilmont 40:976df7c37ad5 116 #define NVIC (( NVIC_TypeDef *) NVIC_BASE)
emilmont 40:976df7c37ad5 117
emilmont 40:976df7c37ad5 118
emilmont 40:976df7c37ad5 119
emilmont 40:976df7c37ad5 120 /**
emilmont 40:976df7c37ad5 121 * IO definitions
emilmont 40:976df7c37ad5 122 *
emilmont 40:976df7c37ad5 123 * define access restrictions to peripheral registers
emilmont 40:976df7c37ad5 124 */
emilmont 40:976df7c37ad5 125
emilmont 40:976df7c37ad5 126 #ifdef __cplusplus
emilmont 40:976df7c37ad5 127 #define __I volatile /*!< defines 'read only' permissions */
emilmont 40:976df7c37ad5 128 #else
emilmont 40:976df7c37ad5 129 #define __I volatile const /*!< defines 'read only' permissions */
emilmont 40:976df7c37ad5 130 #endif
emilmont 40:976df7c37ad5 131 #define __O volatile /*!< defines 'write only' permissions */
emilmont 40:976df7c37ad5 132 #define __IO volatile /*!< defines 'read / write' permissions */
emilmont 40:976df7c37ad5 133
emilmont 40:976df7c37ad5 134
emilmont 40:976df7c37ad5 135
emilmont 40:976df7c37ad5 136
emilmont 40:976df7c37ad5 137
emilmont 40:976df7c37ad5 138 #if defined ( __CC_ARM )
emilmont 40:976df7c37ad5 139 #define __ASM __asm /*!< asm keyword for ARM Compiler */
emilmont 40:976df7c37ad5 140 #define __INLINE __inline /*!< inline keyword for ARM Compiler */
emilmont 40:976df7c37ad5 141
emilmont 40:976df7c37ad5 142 #elif defined ( __ICCARM__ )
emilmont 40:976df7c37ad5 143 #define __ASM __asm /*!< asm keyword for IAR Compiler */
emilmont 40:976df7c37ad5 144 #define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
emilmont 40:976df7c37ad5 145
emilmont 40:976df7c37ad5 146 #elif defined ( __GNUC__ )
emilmont 40:976df7c37ad5 147 #define __ASM __asm /*!< asm keyword for GNU Compiler */
emilmont 40:976df7c37ad5 148 #define __INLINE inline /*!< inline keyword for GNU Compiler */
emilmont 40:976df7c37ad5 149
emilmont 40:976df7c37ad5 150 #elif defined ( __TASKING__ )
emilmont 40:976df7c37ad5 151 #define __ASM __asm /*!< asm keyword for TASKING Compiler */
emilmont 40:976df7c37ad5 152 #define __INLINE inline /*!< inline keyword for TASKING Compiler */
emilmont 40:976df7c37ad5 153
emilmont 40:976df7c37ad5 154 #endif
emilmont 40:976df7c37ad5 155
emilmont 40:976df7c37ad5 156
emilmont 40:976df7c37ad5 157 /* ################### Compiler specific Intrinsics ########################### */
emilmont 40:976df7c37ad5 158
emilmont 40:976df7c37ad5 159 #if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
emilmont 40:976df7c37ad5 160 /* ARM armcc specific functions */
emilmont 40:976df7c37ad5 161
emilmont 40:976df7c37ad5 162 #define __enable_fault_irq __enable_fiq
emilmont 40:976df7c37ad5 163 #define __disable_fault_irq __disable_fiq
emilmont 40:976df7c37ad5 164
emilmont 40:976df7c37ad5 165 #define __NOP __nop
emilmont 40:976df7c37ad5 166 //#define __WFI __wfi
emilmont 40:976df7c37ad5 167 //#define __WFE __wfe
emilmont 40:976df7c37ad5 168 //#define __SEV __sev
emilmont 40:976df7c37ad5 169 //#define __ISB() __isb(0)
emilmont 40:976df7c37ad5 170 //#define __DSB() __dsb(0)
emilmont 40:976df7c37ad5 171 //#define __DMB() __dmb(0)
emilmont 40:976df7c37ad5 172 //#define __REV __rev
emilmont 40:976df7c37ad5 173 //#define __RBIT __rbit
emilmont 40:976df7c37ad5 174 #define __LDREXB(ptr) ((unsigned char ) __ldrex(ptr))
emilmont 40:976df7c37ad5 175 #define __LDREXH(ptr) ((unsigned short) __ldrex(ptr))
emilmont 40:976df7c37ad5 176 #define __LDREXW(ptr) ((unsigned int ) __ldrex(ptr))
emilmont 40:976df7c37ad5 177 #define __STREXB(value, ptr) __strex(value, ptr)
emilmont 40:976df7c37ad5 178 #define __STREXH(value, ptr) __strex(value, ptr)
emilmont 40:976df7c37ad5 179 #define __STREXW(value, ptr) __strex(value, ptr)
emilmont 40:976df7c37ad5 180
emilmont 40:976df7c37ad5 181
emilmont 40:976df7c37ad5 182 #elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
emilmont 40:976df7c37ad5 183
emilmont 40:976df7c37ad5 184 #define __enable_irq __enable_interrupt /*!< global Interrupt enable */
emilmont 40:976df7c37ad5 185 #define __disable_irq __disable_interrupt /*!< global Interrupt disable */
emilmont 40:976df7c37ad5 186 #define __NOP __no_operation() /*!< no operation intrinsic in IAR Compiler */
emilmont 40:976df7c37ad5 187
emilmont 40:976df7c37ad5 188 #elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
emilmont 40:976df7c37ad5 189
emilmont 40:976df7c37ad5 190 static __INLINE void __enable_irq() {
emilmont 40:976df7c37ad5 191 unsigned long temp;
emilmont 40:976df7c37ad5 192 __asm__ __volatile__("mrs %0, cpsr\n"
emilmont 40:976df7c37ad5 193 "bic %0, %0, #0x80\n"
emilmont 40:976df7c37ad5 194 "msr cpsr_c, %0"
emilmont 40:976df7c37ad5 195 : "=r" (temp)
emilmont 40:976df7c37ad5 196 :
emilmont 40:976df7c37ad5 197 : "memory");
emilmont 40:976df7c37ad5 198 }
emilmont 40:976df7c37ad5 199
emilmont 40:976df7c37ad5 200 static __INLINE void __disable_irq() {
emilmont 40:976df7c37ad5 201 unsigned long old,temp;
emilmont 40:976df7c37ad5 202 __asm__ __volatile__("mrs %0, cpsr\n"
emilmont 40:976df7c37ad5 203 "orr %1, %0, #0xc0\n"
emilmont 40:976df7c37ad5 204 "msr cpsr_c, %1"
emilmont 40:976df7c37ad5 205 : "=r" (old), "=r" (temp)
emilmont 40:976df7c37ad5 206 :
emilmont 40:976df7c37ad5 207 : "memory");
emilmont 40:976df7c37ad5 208 // return (old & 0x80) == 0;
emilmont 40:976df7c37ad5 209 }
emilmont 40:976df7c37ad5 210
emilmont 40:976df7c37ad5 211 static __INLINE void __NOP() { __ASM volatile ("nop"); }
emilmont 40:976df7c37ad5 212
emilmont 40:976df7c37ad5 213 #elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
emilmont 40:976df7c37ad5 214 /* TASKING carm specific functions */
emilmont 40:976df7c37ad5 215
emilmont 40:976df7c37ad5 216 /*
emilmont 40:976df7c37ad5 217 * The CMSIS functions have been implemented as intrinsics in the compiler.
emilmont 40:976df7c37ad5 218 * Please use "carm -?i" to get an up to date list of all instrinsics,
emilmont 40:976df7c37ad5 219 * Including the CMSIS ones.
emilmont 40:976df7c37ad5 220 */
emilmont 40:976df7c37ad5 221
emilmont 40:976df7c37ad5 222 #endif
emilmont 40:976df7c37ad5 223
emilmont 40:976df7c37ad5 224
emilmont 40:976df7c37ad5 225 /**
emilmont 40:976df7c37ad5 226 * @brief Enable Interrupt in NVIC Interrupt Controller
emilmont 40:976df7c37ad5 227 *
emilmont 40:976df7c37ad5 228 * @param IRQn_Type IRQn specifies the interrupt number
emilmont 40:976df7c37ad5 229 * @return none
emilmont 40:976df7c37ad5 230 *
emilmont 40:976df7c37ad5 231 * Enable a device specific interupt in the NVIC interrupt controller.
emilmont 40:976df7c37ad5 232 * The interrupt number cannot be a negative value.
emilmont 40:976df7c37ad5 233 */
emilmont 40:976df7c37ad5 234 static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
emilmont 40:976df7c37ad5 235 {
emilmont 40:976df7c37ad5 236 NVIC->IntEnable = 1 << (uint32_t)IRQn;
emilmont 40:976df7c37ad5 237 }
emilmont 40:976df7c37ad5 238
emilmont 40:976df7c37ad5 239
emilmont 40:976df7c37ad5 240 /**
emilmont 40:976df7c37ad5 241 * @brief Disable the interrupt line for external interrupt specified
emilmont 40:976df7c37ad5 242 *
emilmont 40:976df7c37ad5 243 * @param IRQn_Type IRQn is the positive number of the external interrupt
emilmont 40:976df7c37ad5 244 * @return none
emilmont 40:976df7c37ad5 245 *
emilmont 40:976df7c37ad5 246 * Disable a device specific interupt in the NVIC interrupt controller.
emilmont 40:976df7c37ad5 247 * The interrupt number cannot be a negative value.
emilmont 40:976df7c37ad5 248 */
emilmont 40:976df7c37ad5 249 static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
emilmont 40:976df7c37ad5 250 {
emilmont 40:976df7c37ad5 251 NVIC->IntEnClr = 1 << (uint32_t)IRQn;
emilmont 40:976df7c37ad5 252 }
emilmont 40:976df7c37ad5 253
emilmont 40:976df7c37ad5 254
emilmont 40:976df7c37ad5 255 #ifdef __cplusplus
emilmont 40:976df7c37ad5 256 }
emilmont 40:976df7c37ad5 257 #endif
emilmont 40:976df7c37ad5 258
emilmont 40:976df7c37ad5 259 #endif /* __ARM7_CORE_H__ */
emilmont 40:976df7c37ad5 260
emilmont 40:976df7c37ad5 261 /*lint -restore */