| /****************************************************************************** |
| * Filename: aon_event.c |
| * Revised: 2017-06-05 12:13:49 +0200 (Mon, 05 Jun 2017) |
| * Revision: 49096 |
| * |
| * Description: Driver for the AON Event fabric. |
| * |
| * Copyright (c) 2015 - 2017, Texas Instruments Incorporated |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1) Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2) Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * 3) Neither the name of the ORGANIZATION nor the names of its contributors may |
| * be used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| ******************************************************************************/ |
| |
| #include "aon_event.h" |
| |
| //***************************************************************************** |
| // |
| // Handle support for DriverLib in ROM: |
| // This section will undo prototype renaming made in the header file |
| // |
| //***************************************************************************** |
| #if !defined(DOXYGEN) |
| #undef AONEventMcuWakeUpSet |
| #define AONEventMcuWakeUpSet NOROM_AONEventMcuWakeUpSet |
| #undef AONEventMcuWakeUpGet |
| #define AONEventMcuWakeUpGet NOROM_AONEventMcuWakeUpGet |
| #undef AONEventMcuSet |
| #define AONEventMcuSet NOROM_AONEventMcuSet |
| #undef AONEventMcuGet |
| #define AONEventMcuGet NOROM_AONEventMcuGet |
| #endif |
| |
| //***************************************************************************** |
| // |
| // Select event source for the specified MCU wakeup programmable event |
| // |
| //***************************************************************************** |
| void |
| AONEventMcuWakeUpSet(uint32_t ui32MCUWUEvent, uint32_t ui32EventSrc) |
| { |
| uint32_t ui32Shift ; |
| uint32_t ui32Mask ; |
| uint32_t ui32RegAdr ; |
| |
| // Check the arguments. |
| ASSERT(( ui32MCUWUEvent >= AON_EVENT_MCU_WU0 ) && ( ui32MCUWUEvent <= AON_EVENT_MCU_WU7 )) |
| ASSERT( ui32EventSrc <= AON_EVENT_NONE ); |
| |
| ui32Shift = (( ui32MCUWUEvent & 3 ) << 3 ); |
| ui32Mask = ( 0x3F << ui32Shift ); |
| ui32RegAdr = ( AON_EVENT_BASE + AON_EVENT_O_MCUWUSEL ); |
| if ( ui32MCUWUEvent > 3 ) { |
| ui32RegAdr += 4; |
| } |
| HWREG( ui32RegAdr ) = ( HWREG( ui32RegAdr ) & ( ~ui32Mask )) | ( ui32EventSrc << ui32Shift ); |
| } |
| |
| //***************************************************************************** |
| // |
| // Get event source for the specified MCU wakeup programmable event |
| // |
| //***************************************************************************** |
| uint32_t |
| AONEventMcuWakeUpGet(uint32_t ui32MCUWUEvent) |
| { |
| uint32_t ui32Shift ; |
| uint32_t ui32RegAdr ; |
| |
| // Check the arguments. |
| ASSERT(( ui32MCUWUEvent >= AON_EVENT_MCU_WU0 ) && ( ui32MCUWUEvent <= AON_EVENT_MCU_WU7 )) |
| |
| ui32Shift = (( ui32MCUWUEvent & 3 ) << 3 ); |
| ui32RegAdr = ( AON_EVENT_BASE + AON_EVENT_O_MCUWUSEL ); |
| if ( ui32MCUWUEvent > 3 ) { |
| ui32RegAdr += 4; |
| } |
| return (( HWREG( ui32RegAdr ) >> ui32Shift ) & 0x3F ); |
| } |
| |
| //***************************************************************************** |
| // |
| // Select event source for the specified programmable event forwarded to the |
| // MCU event fabric |
| // |
| //***************************************************************************** |
| void |
| AONEventMcuSet(uint32_t ui32MCUEvent, uint32_t ui32EventSrc) |
| { |
| uint32_t ui32Ctrl; |
| |
| // Check the arguments. |
| ASSERT((ui32MCUEvent == AON_EVENT_MCU_EVENT0) || |
| (ui32MCUEvent == AON_EVENT_MCU_EVENT1) || |
| (ui32MCUEvent == AON_EVENT_MCU_EVENT2)); |
| ASSERT(ui32EventSrc <= AON_EVENT_NONE); |
| |
| ui32Ctrl = HWREG(AON_EVENT_BASE + AON_EVENT_O_EVTOMCUSEL); |
| |
| if(ui32MCUEvent == AON_EVENT_MCU_EVENT0) |
| { |
| ui32Ctrl &= ~(AON_EVENT_EVTOMCUSEL_AON_PROG0_EV_M); |
| ui32Ctrl |= (ui32EventSrc & 0x3f) << AON_EVENT_EVTOMCUSEL_AON_PROG0_EV_S; |
| } |
| else if(ui32MCUEvent == AON_EVENT_MCU_EVENT1) |
| { |
| ui32Ctrl &= ~(AON_EVENT_EVTOMCUSEL_AON_PROG1_EV_M); |
| ui32Ctrl |= (ui32EventSrc & 0x3f) << AON_EVENT_EVTOMCUSEL_AON_PROG1_EV_S; |
| } |
| else if(ui32MCUEvent == AON_EVENT_MCU_EVENT2) |
| { |
| ui32Ctrl &= ~(AON_EVENT_EVTOMCUSEL_AON_PROG2_EV_M); |
| ui32Ctrl |= (ui32EventSrc & 0x3f) << AON_EVENT_EVTOMCUSEL_AON_PROG2_EV_S; |
| } |
| |
| HWREG(AON_EVENT_BASE + AON_EVENT_O_EVTOMCUSEL) = ui32Ctrl; |
| } |
| |
| //***************************************************************************** |
| // |
| // Get source for the specified programmable event forwarded to the MCU event |
| // fabric. |
| // |
| //***************************************************************************** |
| uint32_t |
| AONEventMcuGet(uint32_t ui32MCUEvent) |
| { |
| uint32_t ui32EventSrc; |
| |
| // Check the arguments. |
| ASSERT((ui32MCUEvent == AON_EVENT_MCU_EVENT0) || |
| (ui32MCUEvent == AON_EVENT_MCU_EVENT1) || |
| (ui32MCUEvent == AON_EVENT_MCU_EVENT2)); |
| |
| ui32EventSrc = HWREG(AON_EVENT_BASE + AON_EVENT_O_EVTOMCUSEL); |
| |
| if(ui32MCUEvent == AON_EVENT_MCU_EVENT0) |
| { |
| return((ui32EventSrc & AON_EVENT_EVTOMCUSEL_AON_PROG0_EV_M) >> |
| AON_EVENT_EVTOMCUSEL_AON_PROG0_EV_S); |
| } |
| else if(ui32MCUEvent == AON_EVENT_MCU_EVENT1) |
| { |
| return((ui32EventSrc & AON_EVENT_EVTOMCUSEL_AON_PROG1_EV_M) >> |
| AON_EVENT_EVTOMCUSEL_AON_PROG1_EV_S); |
| } |
| else if(ui32MCUEvent == AON_EVENT_MCU_EVENT2) |
| { |
| return((ui32EventSrc & AON_EVENT_EVTOMCUSEL_AON_PROG2_EV_M) >> |
| AON_EVENT_EVTOMCUSEL_AON_PROG2_EV_S); |
| } |
| |
| // Should never get to this statement, but suppress warning. |
| ASSERT(0); |
| return(0); |
| } |