Diff: TARGET_SAMD21J18A/cmsis_armcc.h

Revision:

160:5571c4ff569f

Parent:

145:64910690c574

Child:

169:a7c7b631e539

--- a/TARGET_SAMD21J18A/cmsis_armcc.h	Thu Nov 23 11:44:04 2017 +0000
+++ b/TARGET_SAMD21J18A/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))     ) */