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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

targets/TARGET_Maxim/TARGET_MAX32625/mxc/crc.c@1:f30bdcd2b33b, 2017-02-27 (annotated)

Committer:
jacobjohnson
Date:
Mon Feb 27 17:45:05 2017 +0000
Revision:
1:f30bdcd2b33b
Parent:
0:098463de4c5d 
changed the inputscale from 1 to 7 in analogin_api.c.  This will need to be changed later, and accessed from the main level, but for now this allows the  adc to read a value from 0 to 3.7V, instead of just up to 1V.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /**
group-onsemi 0:098463de4c5d 2 * @file crc.c
group-onsemi 0:098463de4c5d 3 * @brief This file contains the function implementations for the Cyclic
group-onsemi 0:098463de4c5d 4 * Redundency Check (CRC) peripheral module.
group-onsemi 0:098463de4c5d 5 */
group-onsemi 0:098463de4c5d 6
group-onsemi 0:098463de4c5d 7 /* ****************************************************************************
group-onsemi 0:098463de4c5d 8 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
group-onsemi 0:098463de4c5d 9 *
group-onsemi 0:098463de4c5d 10 * Permission is hereby granted, free of charge, to any person obtaining a
group-onsemi 0:098463de4c5d 11 * copy of this software and associated documentation files (the "Software"),
group-onsemi 0:098463de4c5d 12 * to deal in the Software without restriction, including without limitation
group-onsemi 0:098463de4c5d 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
group-onsemi 0:098463de4c5d 14 * and/or sell copies of the Software, and to permit persons to whom the
group-onsemi 0:098463de4c5d 15 * Software is furnished to do so, subject to the following conditions:
group-onsemi 0:098463de4c5d 16 *
group-onsemi 0:098463de4c5d 17 * The above copyright notice and this permission notice shall be included
group-onsemi 0:098463de4c5d 18 * in all copies or substantial portions of the Software.
group-onsemi 0:098463de4c5d 19 *
group-onsemi 0:098463de4c5d 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
group-onsemi 0:098463de4c5d 21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
group-onsemi 0:098463de4c5d 22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
group-onsemi 0:098463de4c5d 23 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
group-onsemi 0:098463de4c5d 24 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
group-onsemi 0:098463de4c5d 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
group-onsemi 0:098463de4c5d 26 * OTHER DEALINGS IN THE SOFTWARE.
group-onsemi 0:098463de4c5d 27 *
group-onsemi 0:098463de4c5d 28 * Except as contained in this notice, the name of Maxim Integrated
group-onsemi 0:098463de4c5d 29 * Products, Inc. shall not be used except as stated in the Maxim Integrated
group-onsemi 0:098463de4c5d 30 * Products, Inc. Branding Policy.
group-onsemi 0:098463de4c5d 31 *
group-onsemi 0:098463de4c5d 32 * The mere transfer of this software does not imply any licenses
group-onsemi 0:098463de4c5d 33 * of trade secrets, proprietary technology, copyrights, patents,
group-onsemi 0:098463de4c5d 34 * trademarks, maskwork rights, or any other form of intellectual
group-onsemi 0:098463de4c5d 35 * property whatsoever. Maxim Integrated Products, Inc. retains all
group-onsemi 0:098463de4c5d 36 * ownership rights.
group-onsemi 0:098463de4c5d 37 *
group-onsemi 0:098463de4c5d 38 * $Date: 2016-08-02 13:45:09 -0500 (Tue, 02 Aug 2016) $
group-onsemi 0:098463de4c5d 39 * $Revision: 23897 $
group-onsemi 0:098463de4c5d 40 *
group-onsemi 0:098463de4c5d 41 *************************************************************************** */
group-onsemi 0:098463de4c5d 42
group-onsemi 0:098463de4c5d 43 /* **** Includes **** */
group-onsemi 0:098463de4c5d 44 #include "crc.h"
group-onsemi 0:098463de4c5d 45
group-onsemi 0:098463de4c5d 46 /**
group-onsemi 0:098463de4c5d 47 * @ingroup crc
group-onsemi 0:098463de4c5d 48 * @{
group-onsemi 0:098463de4c5d 49 */
group-onsemi 0:098463de4c5d 50
group-onsemi 0:098463de4c5d 51 /* **** Definitions **** */
group-onsemi 0:098463de4c5d 52
group-onsemi 0:098463de4c5d 53 /* **** Globals **** */
group-onsemi 0:098463de4c5d 54
group-onsemi 0:098463de4c5d 55 /* **** Functions **** */
group-onsemi 0:098463de4c5d 56
group-onsemi 0:098463de4c5d 57 /* ************************************************************************* */
group-onsemi 0:098463de4c5d 58 void CRC16_Init(uint8_t CCITT_TRUE, uint8_t lilEndian)
group-onsemi 0:098463de4c5d 59 {
group-onsemi 0:098463de4c5d 60 if(CCITT_TRUE)
group-onsemi 0:098463de4c5d 61 MXC_CRC->reseed |= MXC_F_CRC_RESEED_CCITT_MODE;
group-onsemi 0:098463de4c5d 62 else
group-onsemi 0:098463de4c5d 63 MXC_CRC->reseed &= ~MXC_F_CRC_RESEED_CCITT_MODE;
group-onsemi 0:098463de4c5d 64
group-onsemi 0:098463de4c5d 65 if(lilEndian)
group-onsemi 0:098463de4c5d 66 MXC_CRC->reseed |= MXC_F_CRC_RESEED_REV_ENDIAN16;
group-onsemi 0:098463de4c5d 67 else
group-onsemi 0:098463de4c5d 68 MXC_CRC->reseed &= ~MXC_F_CRC_RESEED_REV_ENDIAN16;
group-onsemi 0:098463de4c5d 69 }
group-onsemi 0:098463de4c5d 70
group-onsemi 0:098463de4c5d 71 /* ************************************************************************* */
group-onsemi 0:098463de4c5d 72 void CRC32_Init(uint8_t lilEndian)
group-onsemi 0:098463de4c5d 73 {
group-onsemi 0:098463de4c5d 74 if(lilEndian)
group-onsemi 0:098463de4c5d 75 MXC_CRC->reseed |= MXC_F_CRC_RESEED_REV_ENDIAN32;
group-onsemi 0:098463de4c5d 76 else
group-onsemi 0:098463de4c5d 77 MXC_CRC->reseed &= ~MXC_F_CRC_RESEED_REV_ENDIAN32;
group-onsemi 0:098463de4c5d 78 }
group-onsemi 0:098463de4c5d 79
group-onsemi 0:098463de4c5d 80 /* ************************************************************************* */
group-onsemi 0:098463de4c5d 81
group-onsemi 0:098463de4c5d 82 void CRC16_Reseed(uint16_t initData)
group-onsemi 0:098463de4c5d 83 {
group-onsemi 0:098463de4c5d 84 //set initial value
group-onsemi 0:098463de4c5d 85 MXC_CRC->seed16 = initData;
group-onsemi 0:098463de4c5d 86
group-onsemi 0:098463de4c5d 87 //reseed the CRC16 generator
group-onsemi 0:098463de4c5d 88 MXC_CRC->reseed |= MXC_F_CRC_RESEED_CRC16;
group-onsemi 0:098463de4c5d 89
group-onsemi 0:098463de4c5d 90 //wait for reseed to clear itself
group-onsemi 0:098463de4c5d 91 while(MXC_CRC->reseed & MXC_F_CRC_RESEED_CRC16);
group-onsemi 0:098463de4c5d 92
group-onsemi 0:098463de4c5d 93 }
group-onsemi 0:098463de4c5d 94
group-onsemi 0:098463de4c5d 95 /* ************************************************************************* */
group-onsemi 0:098463de4c5d 96 void CRC32_Reseed(uint32_t initData)
group-onsemi 0:098463de4c5d 97 {
group-onsemi 0:098463de4c5d 98 //set initial value
group-onsemi 0:098463de4c5d 99 MXC_CRC->seed32 = initData;
group-onsemi 0:098463de4c5d 100
group-onsemi 0:098463de4c5d 101 //reseed the CRC16 generator
group-onsemi 0:098463de4c5d 102 MXC_CRC->reseed |= MXC_F_CRC_RESEED_CRC32;
group-onsemi 0:098463de4c5d 103
group-onsemi 0:098463de4c5d 104 //wait for reseed to clear itself
group-onsemi 0:098463de4c5d 105 while(MXC_CRC->reseed & MXC_F_CRC_RESEED_CRC32);
group-onsemi 0:098463de4c5d 106 }
group-onsemi 0:098463de4c5d 107
group-onsemi 0:098463de4c5d 108 /**@} end of group crc */