The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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mbed 2
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Diff: TARGET_NUCLEO_F042K6/cmsis_armcc.h
- Revision:
- 160:5571c4ff569f
- Parent:
- 145:64910690c574
- Child:
- 169:a7c7b631e539
diff -r 1c57384330a6 -r 5571c4ff569f TARGET_NUCLEO_F042K6/cmsis_armcc.h --- a/TARGET_NUCLEO_F042K6/cmsis_armcc.h Thu Nov 23 11:44:04 2017 +0000 +++ b/TARGET_NUCLEO_F042K6/cmsis_armcc.h Wed Jan 17 16:13:02 2018 +0000 @@ -73,6 +73,9 @@ #ifndef __PACKED_STRUCT #define __PACKED_STRUCT __packed struct #endif +#ifndef __PACKED_UNION + #define __PACKED_UNION __packed union +#endif #ifndef __UNALIGNED_UINT32 /* deprecated */ #define __UNALIGNED_UINT32(x) (*((__packed uint32_t *)(x))) #endif @@ -91,7 +94,9 @@ #ifndef __ALIGNED #define __ALIGNED(x) __attribute__((aligned(x))) #endif - +#ifndef __RESTRICT + #define __RESTRICT __restrict +#endif /* ########################### Core Function Access ########################### */ /** \ingroup CMSIS_Core_FunctionInterface @@ -456,7 +461,7 @@ \return Reversed value */ #ifndef __NO_EMBEDDED_ASM -__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint32_t __REV16(uint32_t value) +__attribute__((section(".rev16_text"))) __STATIC_INLINE __ASM uint16_t __REV16(uint16_t value) { rev16 r0, r0 bx lr @@ -471,7 +476,7 @@ \return Reversed value */ #ifndef __NO_EMBEDDED_ASM -__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int32_t __REVSH(int32_t value) +__attribute__((section(".revsh_text"))) __STATIC_INLINE __ASM int16_t __REVSH(int16_t value) { revsh r0, r0 bx lr @@ -512,17 +517,17 @@ __attribute__((always_inline)) __STATIC_INLINE uint32_t __RBIT(uint32_t value) { uint32_t result; - int32_t s = (4 /*sizeof(v)*/ * 8) - 1; /* extra shift needed at end */ + uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */ result = value; /* r will be reversed bits of v; first get LSB of v */ - for (value >>= 1U; value; value >>= 1U) + for (value >>= 1U; value != 0U; value >>= 1U) { result <<= 1U; result |= value & 1U; s--; } result <<= s; /* shift when v's highest bits are zero */ - return(result); + return result; } #endif @@ -719,6 +724,50 @@ */ #define __STRT(value, ptr) __strt(value, ptr) +#else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ + (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */ + +/** + \brief Signed Saturate + \details Saturates a signed value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (1..32) + \return Saturated value + */ +__attribute__((always_inline)) __STATIC_INLINE int32_t __SSAT(int32_t val, uint32_t sat) +{ + if ((sat >= 1U) && (sat <= 32U)) { + const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); + const int32_t min = -1 - max ; + if (val > max) { + return max; + } else if (val < min) { + return min; + } + } + return val; +} + +/** + \brief Unsigned Saturate + \details Saturates an unsigned value. + \param [in] value Value to be saturated + \param [in] sat Bit position to saturate to (0..31) + \return Saturated value + */ +__attribute__((always_inline)) __STATIC_INLINE uint32_t __USAT(int32_t val, uint32_t sat) +{ + if (sat <= 31U) { + const uint32_t max = ((1U << sat) - 1U); + if (val > (int32_t)max) { + return max; + } else if (val < 0) { + return 0U; + } + } + return (uint32_t)val; +} + #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ (defined (__ARM_ARCH_7EM__) && (__ARM_ARCH_7EM__ == 1)) ) */