diff options
Diffstat (limited to 'core_cm0.h')
| -rw-r--r-- | core_cm0.h | 21 |
1 files changed, 12 insertions, 9 deletions
@@ -1,11 +1,11 @@ /**************************************************************************//** * @file core_cm0.h * @brief CMSIS Cortex-M0 Core Peripheral Access Layer Header File - * @version V5.0.5 - * @date 28. May 2018 + * @version V5.0.6 + * @date 13. March 2019 ******************************************************************************/ /* - * Copyright (c) 2009-2018 Arm Limited. All rights reserved. + * Copyright (c) 2009-2019 Arm Limited. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * @@ -81,7 +81,7 @@ #endif #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050) - #if defined __ARM_PCS_VFP + #if defined __ARM_FP #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)" #endif @@ -316,7 +316,7 @@ typedef struct __IOM uint32_t ISER[1U]; /*!< Offset: 0x000 (R/W) Interrupt Set Enable Register */ uint32_t RESERVED0[31U]; __IOM uint32_t ICER[1U]; /*!< Offset: 0x080 (R/W) Interrupt Clear Enable Register */ - uint32_t RSERVED1[31U]; + uint32_t RESERVED1[31U]; __IOM uint32_t ISPR[1U]; /*!< Offset: 0x100 (R/W) Interrupt Set Pending Register */ uint32_t RESERVED2[31U]; __IOM uint32_t ICPR[1U]; /*!< Offset: 0x180 (R/W) Interrupt Clear Pending Register */ @@ -624,7 +624,9 @@ __STATIC_INLINE void __NVIC_EnableIRQ(IRQn_Type IRQn) { if ((int32_t)(IRQn) >= 0) { + __COMPILER_BARRIER(); NVIC->ISER[0U] = (uint32_t)(1UL << (((uint32_t)IRQn) & 0x1FUL)); + __COMPILER_BARRIER(); } } @@ -829,8 +831,9 @@ __STATIC_INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGr */ __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { - uint32_t *vectors = (uint32_t *)0x0U; - vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET] = vector; + uint32_t vectors = 0x0U; + (* (int *) (vectors + ((int32_t)IRQn + NVIC_USER_IRQ_OFFSET) * 4)) = vector; + /* ARM Application Note 321 states that the M0 does not require the architectural barrier */ } @@ -844,8 +847,8 @@ __STATIC_INLINE void __NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) */ __STATIC_INLINE uint32_t __NVIC_GetVector(IRQn_Type IRQn) { - uint32_t *vectors = (uint32_t *)0x0U; - return vectors[(int32_t)IRQn + NVIC_USER_IRQ_OFFSET]; + uint32_t vectors = 0x0U; + return (uint32_t)(* (int *) (vectors + ((int32_t)IRQn + NVIC_USER_IRQ_OFFSET) * 4)); } |