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TARGET_EFM32LG_STK3600/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_int.h@135:fce8a9387ed1, 2017-01-17 (annotated)

Committer:
kaoshen
Date:
Tue Jan 17 23:27:32 2017 +0000
Revision:
135:fce8a9387ed1
Parent:
128:9bcdf88f62b0 
333 ADS1115 ADC1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 98:8ab26030e058 1 /***************************************************************************//**
Kojto 98:8ab26030e058 2 * @file em_int.h
Kojto 98:8ab26030e058 3 * @brief Interrupt enable/disable unit API
<> 128:9bcdf88f62b0 4 * @version 5.0.0
Kojto 98:8ab26030e058 5 *******************************************************************************
Kojto 98:8ab26030e058 6 * @section License
<> 128:9bcdf88f62b0 7 * <b>Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com</b>
Kojto 98:8ab26030e058 8 *******************************************************************************
Kojto 98:8ab26030e058 9 *
Kojto 98:8ab26030e058 10 * Permission is granted to anyone to use this software for any purpose,
Kojto 98:8ab26030e058 11 * including commercial applications, and to alter it and redistribute it
Kojto 98:8ab26030e058 12 * freely, subject to the following restrictions:
Kojto 98:8ab26030e058 13 *
Kojto 98:8ab26030e058 14 * 1. The origin of this software must not be misrepresented; you must not
Kojto 98:8ab26030e058 15 * claim that you wrote the original software.
Kojto 98:8ab26030e058 16 * 2. Altered source versions must be plainly marked as such, and must not be
Kojto 98:8ab26030e058 17 * misrepresented as being the original software.
Kojto 98:8ab26030e058 18 * 3. This notice may not be removed or altered from any source distribution.
Kojto 98:8ab26030e058 19 *
Kojto 98:8ab26030e058 20 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
Kojto 98:8ab26030e058 21 * obligation to support this Software. Silicon Labs is providing the
Kojto 98:8ab26030e058 22 * Software "AS IS", with no express or implied warranties of any kind,
Kojto 98:8ab26030e058 23 * including, but not limited to, any implied warranties of merchantability
Kojto 98:8ab26030e058 24 * or fitness for any particular purpose or warranties against infringement
Kojto 98:8ab26030e058 25 * of any proprietary rights of a third party.
Kojto 98:8ab26030e058 26 *
Kojto 98:8ab26030e058 27 * Silicon Labs will not be liable for any consequential, incidental, or
Kojto 98:8ab26030e058 28 * special damages, or any other relief, or for any claim by any third party,
Kojto 98:8ab26030e058 29 * arising from your use of this Software.
Kojto 98:8ab26030e058 30 *
Kojto 98:8ab26030e058 31 ******************************************************************************/
Kojto 98:8ab26030e058 32
<> 128:9bcdf88f62b0 33 #ifndef EM_INT_H
<> 128:9bcdf88f62b0 34 #define EM_INT_H
Kojto 98:8ab26030e058 35
Kojto 98:8ab26030e058 36 #include "em_device.h"
Kojto 98:8ab26030e058 37
Kojto 98:8ab26030e058 38 extern uint32_t INT_LockCnt;
Kojto 98:8ab26030e058 39
Kojto 98:8ab26030e058 40 #ifdef __cplusplus
Kojto 98:8ab26030e058 41 extern "C" {
Kojto 98:8ab26030e058 42 #endif
Kojto 98:8ab26030e058 43
Kojto 98:8ab26030e058 44 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
Kojto 98:8ab26030e058 45 #ifndef UINT32_MAX
Kojto 98:8ab26030e058 46 #define UINT32_MAX ((uint32_t)(0xFFFFFFFF))
Kojto 98:8ab26030e058 47 #endif
<> 128:9bcdf88f62b0 48
<> 128:9bcdf88f62b0 49 #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."
<> 128:9bcdf88f62b0 50
Kojto 98:8ab26030e058 51 /** @endcond */
Kojto 98:8ab26030e058 52
Kojto 98:8ab26030e058 53 /***************************************************************************//**
<> 128:9bcdf88f62b0 54 * @addtogroup emlib
Kojto 98:8ab26030e058 55 * @{
Kojto 98:8ab26030e058 56 ******************************************************************************/
Kojto 98:8ab26030e058 57
Kojto 98:8ab26030e058 58 /***************************************************************************//**
Kojto 98:8ab26030e058 59 * @addtogroup INT
Kojto 98:8ab26030e058 60 * @{
Kojto 98:8ab26030e058 61 ******************************************************************************/
Kojto 98:8ab26030e058 62
Kojto 98:8ab26030e058 63 /***************************************************************************//**
Kojto 98:8ab26030e058 64 * @brief
Kojto 98:8ab26030e058 65 * Disable interrupts.
Kojto 98:8ab26030e058 66 *
<> 128:9bcdf88f62b0 67 * @deprecated
<> 128:9bcdf88f62b0 68 * This function is deprecated and marked for removal in a later release.
<> 128:9bcdf88f62b0 69 * Please use the new CORE module instead.
<> 128:9bcdf88f62b0 70 *
Kojto 98:8ab26030e058 71 * @details
Kojto 98:8ab26030e058 72 * Disable interrupts and increment lock level counter.
Kojto 98:8ab26030e058 73 *
Kojto 98:8ab26030e058 74 * @return
Kojto 113:f141b2784e32 75 * The resulting interrupt disable nesting level.
Kojto 98:8ab26030e058 76 *
Kojto 98:8ab26030e058 77 ******************************************************************************/
Kojto 98:8ab26030e058 78 __STATIC_INLINE uint32_t INT_Disable(void)
Kojto 98:8ab26030e058 79 {
Kojto 98:8ab26030e058 80 __disable_irq();
Kojto 98:8ab26030e058 81 if (INT_LockCnt < UINT32_MAX)
Kojto 98:8ab26030e058 82 {
Kojto 98:8ab26030e058 83 INT_LockCnt++;
Kojto 98:8ab26030e058 84 }
Kojto 98:8ab26030e058 85
Kojto 98:8ab26030e058 86 return INT_LockCnt;
Kojto 98:8ab26030e058 87 }
Kojto 98:8ab26030e058 88
Kojto 98:8ab26030e058 89 /***************************************************************************//**
Kojto 98:8ab26030e058 90 * @brief
Kojto 98:8ab26030e058 91 * Enable interrupts.
Kojto 98:8ab26030e058 92 *
<> 128:9bcdf88f62b0 93 * @deprecated
<> 128:9bcdf88f62b0 94 * This function is deprecated and marked for removal in a later release.
<> 128:9bcdf88f62b0 95 * Please use the new CORE module instead.
<> 128:9bcdf88f62b0 96 *
Kojto 98:8ab26030e058 97 * @return
Kojto 113:f141b2784e32 98 * The resulting interrupt disable nesting level.
Kojto 98:8ab26030e058 99 *
Kojto 98:8ab26030e058 100 * @details
Kojto 98:8ab26030e058 101 * Decrement interrupt lock level counter and enable interrupts if counter
Kojto 98:8ab26030e058 102 * reached zero.
Kojto 98:8ab26030e058 103 *
Kojto 98:8ab26030e058 104 ******************************************************************************/
Kojto 98:8ab26030e058 105 __STATIC_INLINE uint32_t INT_Enable(void)
Kojto 98:8ab26030e058 106 {
Kojto 98:8ab26030e058 107 uint32_t retVal;
Kojto 98:8ab26030e058 108
Kojto 98:8ab26030e058 109 if (INT_LockCnt > 0)
Kojto 98:8ab26030e058 110 {
Kojto 98:8ab26030e058 111 INT_LockCnt--;
Kojto 98:8ab26030e058 112 retVal = INT_LockCnt;
Kojto 98:8ab26030e058 113 if (retVal == 0)
Kojto 98:8ab26030e058 114 {
Kojto 98:8ab26030e058 115 __enable_irq();
Kojto 98:8ab26030e058 116 }
Kojto 98:8ab26030e058 117 return retVal;
Kojto 98:8ab26030e058 118 }
Kojto 98:8ab26030e058 119 else
Kojto 98:8ab26030e058 120 {
Kojto 98:8ab26030e058 121 return 0;
Kojto 98:8ab26030e058 122 }
Kojto 98:8ab26030e058 123 }
Kojto 98:8ab26030e058 124
Kojto 98:8ab26030e058 125 /** @} (end addtogroup INT) */
<> 128:9bcdf88f62b0 126 /** @} (end addtogroup emlib) */
Kojto 98:8ab26030e058 127
Kojto 98:8ab26030e058 128 #ifdef __cplusplus
Kojto 98:8ab26030e058 129 }
Kojto 98:8ab26030e058 130 #endif
Kojto 98:8ab26030e058 131
<> 128:9bcdf88f62b0 132 #endif /* EM_INT_H */