mirror of https://github.com/ARMmbed/mbed-os.git
80 lines
3.8 KiB
C
80 lines
3.8 KiB
C
/**
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******************************************************************************
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* @file adc_sar_map.h
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* @brief ADC HW register map
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* @internal
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* @author ON Semiconductor
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* $Rev: 3422 $
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* $Date: 2015-06-09 11:01:43 +0530 (Tue, 09 Jun 2015) $
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******************************************************************************
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* Copyright 2016 Semiconductor Components Industries LLC (d/b/a “ON Semiconductor”).
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* All rights reserved. This software and/or documentation is licensed by ON Semiconductor
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* under limited terms and conditions. The terms and conditions pertaining to the software
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* and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf
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* (“ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software”) and
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* if applicable the software license agreement. Do not use this software and/or
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* documentation unless you have carefully read and you agree to the limited terms and
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* conditions. By using this software and/or documentation, you agree to the limited
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* terms and conditions.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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* ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
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* INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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* @endinternal
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*
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* @ingroup adc_sar
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*
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* @details
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* <p>
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* ADC HW register map description
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* </p>
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*
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*/
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#ifndef ADC_MAP_H_
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#define ADC_MAP_H_
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#include "architecture.h"
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/* ADC Control HW Structure Overlay */
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typedef struct {
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union {
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struct {
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__IO uint32_t MODE :1; /** 1= Continuous Conversion 0= Single Shot */
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__IO uint32_t START_CONV :1; /** 1= Start Conversion 0= No effect*/
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__IO uint32_t ABORT :1; /** 1= Aborts the Continuous Conversion mode 0=No effect */
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__IO uint32_t MEASUREMENT_TYPE :1; /** 1= Absolute 0= Differential */
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__IO uint32_t INPUT_SCALE :3; /** 000 – 1.0 001 – 0.6923 010 – 0.5294 011 – 0.4286 100 – 0.3600 101 – 0.3103 110 – 0.2728 111 – 0.2432 */
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__I uint32_t BIT7:1; /** NA Always read backs 0*/
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__IO uint32_t CONV_CH :3; /** Selects 1 or 8 channels to do a conversion on. 000 – A[0] 000 – A[1] 010 – A[2] 011 – A[3] 100 – N/A 101 – N/A 110 – Temperature sensor 111 – Battery */
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__I uint32_t NA :1; /** NA */
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__IO uint32_t REF_CH :3; /** Selects 1 to 8 channels for reference channel 000 – A[0] 000 – A[1] 010 – A[2] 011 – A[3] 100 – N/A 101 – N/A 110 – Temperature sensor 111 – Battery */
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} BITS;
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__IO uint32_t WORD;
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} CONTROL;
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union {
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struct {
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__IO uint32_t SAMPLE_RATE :16; /** Sets the sample rate in units of PCLKperiod * (Prescale + 1). */
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__IO uint32_t WARMUP_TIME :8; /** Sets the warm-up time in units of PCLKperiod * (Prescale + 1) */
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__IO uint32_t SAMPLE_TIME :8; /** Sample Time. Sets the measure time in units of PCLKperiod * (Prescale + 1).*/
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} BITS;
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__IO uint32_t WORD;
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} DELAY;
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__I uint32_t DATA;
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__IO uint32_t IR;
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union {
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struct {
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__IO uint32_t PRESC_VAL :8; /**Set the pre-scalar value. The SAR ADC nominally runs at 4MHz, so this value should be programmed to 32 Mhz/4mhz -1=7 */
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__IO uint32_t PRESC_EN :1; /** 1= enables PreScalar 0= Disable Prescalar */
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// __IO uint32_t PHASE_CTRL :1; /** 1 = Phase 2 is delayed two 32MHz clock from phase 1. 0= Phase 2 is delayed one 32MHz clock from phase 1. */
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} BITS;
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__IO uint32_t WORD;
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} PRESCALE;
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__I uint32_t STATUS;
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} ADCReg_t,*AdcReg_pt;
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#endif /* ADC_MAP_H_ */
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