ea6d73f140
1. Upgrade Cortex driver library (CMSIS -> CMSIS & Device): version 2.3.2 -> 3.0.1 & 3.0.0 - Remove "bsp/efm32/Libraries/CMSIS/Lib/ARM", "bsp/efm32/Libraries/CMSIS/Lib/G++" and "bsp/efm32/Libraries/CMSIS/SVD" to save space 2. Upgrade EFM32 driver libraries (efm32lib -> emlib): version 2.3.2 -> 3.0.0 - Remove "bsp/efm32/Libraries/Device/EnergyMicro/EFM32LG" and "bsp/efm32/Libraries/Device/EnergyMicro/EFM32TG" to save space 3. Upgrade EFM32GG_DK3750 development kit driver library: version 1.2.2 -> 2.0.1 4. Upgrade EFM32_Gxxx_DK development kit driver library: version 1.7.3 -> 2.0.1 5. Add energy management unit driver and test code 6. Modify linker script and related code to compatible with new version of libraries 7. Change EFM32 branch version number to 1.0 8. Add photo frame demo application git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2122 bbd45198-f89e-11dd-88c7-29a3b14d5316
116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/***************************************************************************//**
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* @file
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* @brief Interrupt enable/disable unit API
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* @author Energy Micro AS
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* @version 3.0.0
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*******************************************************************************
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* @section License
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* <b>(C) Copyright 2012 Energy Micro AS, http://www.energymicro.com</b>
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*******************************************************************************
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Energy Micro AS has no
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* obligation to support this Software. Energy Micro AS is providing the
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* Software "AS IS", with no express or implied warranties of any kind,
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* including, but not limited to, any implied warranties of merchantability
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* or fitness for any particular purpose or warranties against infringement
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* of any proprietary rights of a third party.
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*
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* Energy Micro AS will not be liable for any consequential, incidental, or
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* special damages, or any other relief, or for any claim by any third party,
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* arising from your use of this Software.
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*
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******************************************************************************/
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#ifndef __EM_INT_H
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#define __EM_INT_H
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#include "em_part.h"
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extern uint32_t INT_LockCnt;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************************************************************//**
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* @addtogroup EM_Library
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* @{
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******************************************************************************/
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/***************************************************************************//**
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* @addtogroup INT
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* @{
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******************************************************************************/
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/***************************************************************************//**
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* @brief
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* Disable interrupts.
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*
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* @return
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* The resulting interrupt nesting level.
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*
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* @details
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* Disable interrupts and increment lock level counter.
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*
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******************************************************************************/
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__STATIC_INLINE uint32_t INT_Disable(void)
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{
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__disable_irq();
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if (INT_LockCnt < UINT32_MAX)
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{
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INT_LockCnt++;
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}
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return INT_LockCnt;
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}
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/***************************************************************************//**
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* @brief
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* Enable interrupts.
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*
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* @return
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* The resulting interrupt nesting level.
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*
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* @details
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* Decrement interrupt lock level counter and enable interrupts if counter
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* reached zero.
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*
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******************************************************************************/
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__STATIC_INLINE uint32_t INT_Enable(void)
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{
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uint32_t retVal;
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if (INT_LockCnt > 0)
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{
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INT_LockCnt--;
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retVal = INT_LockCnt;
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if (retVal == 0)
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{
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__enable_irq();
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}
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return retVal;
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}
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else
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{
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return 0;
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}
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}
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/** @} (end addtogroup INT) */
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/** @} (end addtogroup EM_Library) */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __EM_INT_H */
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