| /***************************************************************************//** |
| * @file em_int.h |
| * @brief Interrupt enable/disable unit API |
| * @version 5.6.0 |
| ******************************************************************************* |
| * # License |
| * <b>Copyright 2016 Silicon Laboratories, Inc. www.silabs.com</b> |
| ******************************************************************************* |
| * |
| * Permission is granted to anyone to use this software for any purpose, |
| * including commercial applications, and to alter it and redistribute it |
| * freely, subject to the following restrictions: |
| * |
| * 1. The origin of this software must not be misrepresented; you must not |
| * claim that you wrote the original software. |
| * 2. Altered source versions must be plainly marked as such, and must not be |
| * misrepresented as being the original software. |
| * 3. This notice may not be removed or altered from any source distribution. |
| * |
| * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no |
| * obligation to support this Software. Silicon Labs is providing the |
| * Software "AS IS", with no express or implied warranties of any kind, |
| * including, but not limited to, any implied warranties of merchantability |
| * or fitness for any particular purpose or warranties against infringement |
| * of any proprietary rights of a third party. |
| * |
| * Silicon Labs will not be liable for any consequential, incidental, or |
| * special damages, or any other relief, or for any claim by any third party, |
| * arising from your use of this Software. |
| * |
| ******************************************************************************/ |
| |
| #ifndef EM_INT_H |
| #define EM_INT_H |
| |
| #include "em_device.h" |
| |
| extern uint32_t INT_LockCnt; |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */ |
| #ifndef UINT32_MAX |
| #define UINT32_MAX ((uint32_t)(0xFFFFFFFF)) |
| #endif |
| |
| #warning "The INT module is deprecated and marked for removal in a later release. Please use the new CORE module instead. See \"Porting from em_int\" in the CORE documentation for instructions." |
| |
| /** @endcond */ |
| |
| /***************************************************************************//** |
| * @addtogroup emlib |
| * @{ |
| ******************************************************************************/ |
| |
| /***************************************************************************//** |
| * @addtogroup INT |
| * @{ |
| ******************************************************************************/ |
| |
| /***************************************************************************//** |
| * @brief |
| * Disable interrupts. |
| * |
| * @deprecated |
| * Deprecated and marked for removal in a later release. |
| * Use new CORE module instead. |
| * |
| * @details |
| * Disable interrupts and increment lock level counter. |
| * |
| * @return |
| * Resulting interrupt disable nesting level. |
| * |
| ******************************************************************************/ |
| __STATIC_INLINE uint32_t INT_Disable(void) |
| { |
| __disable_irq(); |
| if (INT_LockCnt < UINT32_MAX) { |
| INT_LockCnt++; |
| } |
| |
| return INT_LockCnt; |
| } |
| |
| /***************************************************************************//** |
| * @brief |
| * Enable interrupts. |
| * |
| * @deprecated |
| * Deprecated and marked for removal in a later release. |
| * Use the new CORE module instead. |
| * |
| * @return |
| * Resulting interrupt disable nesting level. |
| * |
| * @details |
| * Decrement interrupt lock level counter and enable interrupts if counter |
| * reached zero. |
| * |
| ******************************************************************************/ |
| __STATIC_INLINE uint32_t INT_Enable(void) |
| { |
| uint32_t retVal; |
| |
| if (INT_LockCnt > 0) { |
| INT_LockCnt--; |
| retVal = INT_LockCnt; |
| if (retVal == 0) { |
| __enable_irq(); |
| } |
| return retVal; |
| } else { |
| return 0; |
| } |
| } |
| |
| /** @} (end addtogroup INT) */ |
| /** @} (end addtogroup emlib) */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* EM_INT_H */ |