| /****************************************************************************** |
| * Filename: adi.c |
| * Revised: 2015-12-15 10:40:56 +0100 (Tue, 15 Dec 2015) |
| * Revision: 45307 |
| * |
| * Description: Driver for the ADI interface |
| * |
| * Copyright (c) 2015 - 2016, 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 <inc/hw_types.h> |
| #include <inc/hw_memmap.h> |
| #include <inc/hw_aux_smph.h> |
| #include <driverlib/adi.h> |
| #include <driverlib/cpu.h> |
| |
| |
| //***************************************************************************** |
| // |
| // SafeHapiVoid() and SafeHapiAuxAdiSelect() |
| // Common wrapper functions for the Hapi functions needing the "bus arbitration |
| // issue" workaround. |
| // |
| //***************************************************************************** |
| void SafeHapiVoid( FPTR_VOID_VOID_T fPtr ) |
| { |
| bool bIrqEnabled = ( ! CPUcpsid() ); |
| while ( ! HWREG( AUX_SMPH_BASE + AUX_SMPH_O_SMPH0 )); |
| fPtr(); |
| HWREG( AUX_SMPH_BASE + AUX_SMPH_O_SMPH0 ) = 1; |
| if ( bIrqEnabled ) { |
| CPUcpsie(); |
| } |
| } |
| |
| void SafeHapiAuxAdiSelect( FPTR_VOID_UINT8_T fPtr, uint8_t ut8Signal ) |
| { |
| bool bIrqEnabled = ( ! CPUcpsid() ); |
| while ( ! HWREG( AUX_SMPH_BASE + AUX_SMPH_O_SMPH0 )); |
| fPtr( ut8Signal ); |
| HWREG( AUX_SMPH_BASE + AUX_SMPH_O_SMPH0 ) = 1; |
| if ( bIrqEnabled ) { |
| CPUcpsie(); |
| } |
| } |
