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153
libraries/zf_driver/zf_driver_adc.c
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153
libraries/zf_driver/zf_driver_adc.c
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/*********************************************************************************************************************
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* TC264 Opensourec Library <20><><EFBFBD><EFBFBD>TC264 <20><>Դ<EFBFBD>⣩<EFBFBD><E2A3A9>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ڹٷ<DAB9> SDK <20>ӿڵĵ<DAB5><C4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>
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* Copyright (c) 2022 SEEKFREE <20><><EFBFBD>ɿƼ<C9BF>
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*
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* <20><><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD> TC264 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
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*
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* TC264 <20><>Դ<EFBFBD><D4B4> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <20><><EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><D4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᷢ<EFBFBD><E1B7A2><EFBFBD><EFBFBD> GPL<50><4C>GNU General Public License<73><65><EFBFBD><EFBFBD> GNUͨ<55>ù<EFBFBD><C3B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <20><> GPL <20>ĵ<EFBFBD>3<EFBFBD>棨<EFBFBD><E6A3A8> GPL3.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>κκ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><DEB8><EFBFBD>
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*
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* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><DCB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κεı<CEB5>֤
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* <20><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB>ʺ<EFBFBD><CABA>ض<EFBFBD><D8B6><EFBFBD>;<EFBFBD>ı<EFBFBD>֤
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* <20><><EFBFBD><EFBFBD>ϸ<EFBFBD><CFB8><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> GPL
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*
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* <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>ͬʱ<CDAC>յ<EFBFBD>һ<EFBFBD><D2BB> GPL <20>ĸ<EFBFBD><C4B8><EFBFBD>
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* <20><><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><https://www.gnu.org/licenses/>
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*
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* <20><><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD><EFBFBD>
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* <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>ʹ<EFBFBD><CAB9> GPL3.0 <20><>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>֤Э<D6A4><D0AD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>İ汾
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><C4B0><EFBFBD> libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <20>ļ<EFBFBD><C4BC><EFBFBD>
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* <20><><EFBFBD><EFBFBD>֤<EFBFBD><D6A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> libraries <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>µ<EFBFBD> LICENSE <20>ļ<EFBFBD>
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* <20><>ӭ<EFBFBD><D3AD>λʹ<CEBB>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><DEB8><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>뱣<EFBFBD><EBB1A3><EFBFBD><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC>İ<EFBFBD>Ȩ<EFBFBD><C8A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*
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* <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> zf_driver_adc
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* <20><>˾<EFBFBD><CBBE><EFBFBD><EFBFBD> <20>ɶ<EFBFBD><C9B6><EFBFBD><EFBFBD>ɿƼ<C9BF><C6BC><EFBFBD><EFBFBD><EFBFBD>˾
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* <20>汾<EFBFBD><E6B1BE>Ϣ <20>鿴 libraries/doc <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> version <20>ļ<EFBFBD> <20>汾˵<E6B1BE><CBB5>
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ADS v1.10.2
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* <20><><EFBFBD><EFBFBD>ƽ̨ TC264D
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> https://seekfree.taobao.com/
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*
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* <20>ļ<DEB8>¼
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* <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><>ע
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* 2022-09-15 pudding first version
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********************************************************************************************************************/
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#include "Vadc/Adc/IfxVadc_Adc.h"
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#include "zf_common_debug.h"
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#include "zf_driver_adc.h"
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#define ADC_SAMPLE_FREQUENCY 10000000 // <20><><EFBFBD><EFBFBD>10Mhz
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uint8 adc_resolution[50];
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//-------------------------------------------------------------------------------------------------------------------
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ADC ת<><D7AA>һ<EFBFBD><D2BB>
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> ch ѡ<><D1A1> ADC ͨ<><CDA8> (<28><><EFBFBD><EFBFBD> zf_driver_adc.h <20><>ö<EFBFBD><C3B6> adc_channel_enum <20><><EFBFBD><EFBFBD>)
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// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint16 ת<><D7AA><EFBFBD><EFBFBD> ADC ֵ
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// ʹ<><CAB9>ʾ<EFBFBD><CABE> adc_convert(ADC1_CH0_A0);
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// <20><>ע<EFBFBD><D7A2>Ϣ
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//-------------------------------------------------------------------------------------------------------------------
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uint16 adc_convert (adc_channel_enum vadc_chn)
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{
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Ifx_VADC_RES result;
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uint8 temp;
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do
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{
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result = IfxVadc_getResult(&MODULE_VADC.G[(vadc_chn / 16)], vadc_chn%16);
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} while(!result.B.VF);
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temp = 4 - (adc_resolution[vadc_chn] * 2);
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return((result.U&0x0fff)>>temp);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ADC <20><>ֵ<EFBFBD>˲<EFBFBD>ת<EFBFBD><D7AA>
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> ch ѡ<><D1A1> ADC ͨ<><CDA8> (<28><><EFBFBD><EFBFBD> zf_driver_adc.h <20><>ö<EFBFBD><C3B6> adc_channel_enum <20><><EFBFBD><EFBFBD>)
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> count <20><>ֵ<EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD><EFBFBD>
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// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint16 ת<><D7AA><EFBFBD><EFBFBD> ADC ֵ
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// ʹ<><CAB9>ʾ<EFBFBD><CABE> adc_mean_filter_convert(ADC1_CH0_A0, 5); // <20>ɼ<EFBFBD>5<EFBFBD><35> Ȼ<><EFBFBD>ƽ<EFBFBD><C6BD>ֵ
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// <20><>ע<EFBFBD><D7A2>Ϣ
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//-------------------------------------------------------------------------------------------------------------------
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uint16 adc_mean_filter_convert (adc_channel_enum vadc_chn, uint8 count)
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{
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uint8 i;
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uint32 sum;
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zf_assert(count);// <20><><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0
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sum = 0;
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for(i=0; i<count; i++)
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{
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sum += adc_convert(vadc_chn);
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}
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sum = sum/count;
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return (uint16)sum;
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}
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//-------------------------------------------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------------------------------------------
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ADC <20><>ʼ<EFBFBD><CABC>
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> ch ѡ<><D1A1> ADC ͨ<><CDA8> (<28><><EFBFBD><EFBFBD> zf_driver_adc.h <20><>ö<EFBFBD><C3B6> adc_channel_enum <20><><EFBFBD><EFBFBD>)
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// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> resolution ѡ<><D1A1>ѡ<EFBFBD><D1A1>ͨ<EFBFBD><CDA8><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>(<28><><EFBFBD><EFBFBD>ͬһ<CDAC><D2BB> ADC ģ<><C4A3><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD>ͬ<EFBFBD>ķֱ<C4B7><D6B1><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD>ķֱ<C4B7><D6B1><EFBFBD><EFBFBD><EFBFBD>Ч)
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// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
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// ʹ<><CAB9>ʾ<EFBFBD><CABE> adc_init(ADC1_CH0_A0, ADC_8BIT); // <20><>ʼ<EFBFBD><CABC> A0 Ϊ ADC1 <20><> channel0 <20><><EFBFBD>빦<EFBFBD><EBB9A6> <20>ֱ<EFBFBD><D6B1><EFBFBD>Ϊ8λ
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// <20><>ע<EFBFBD><D7A2>Ϣ
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//-------------------------------------------------------------------------------------------------------------------
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void adc_init (adc_channel_enum vadc_chn, adc_resolution_enum resolution)
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{
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static uint8 mudule_init_flag = 0;
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IfxVadc_Adc vadc;
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IfxVadc_Adc_Group adcGroup;
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IfxVadc_Adc_Config adcConfig;
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IfxVadc_Adc_initModuleConfig(&adcConfig, &MODULE_VADC);
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if(!mudule_init_flag)
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{
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mudule_init_flag = 1;
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IfxVadc_Adc_initModule(&vadc, &adcConfig);
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}
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else
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{
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vadc.vadc = adcConfig.vadc;
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}
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IfxVadc_Adc_GroupConfig adcGroupConfig;
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IfxVadc_Adc_initGroupConfig(&adcGroupConfig, &vadc);
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adcGroupConfig.groupId = (IfxVadc_GroupId)(vadc_chn / 16);
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adcGroupConfig.master = adcGroupConfig.groupId;
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adcGroupConfig.arbiter.requestSlotBackgroundScanEnabled = TRUE;
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adcGroupConfig.backgroundScanRequest.autoBackgroundScanEnabled = TRUE;
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adcGroupConfig.backgroundScanRequest.triggerConfig.gatingMode = IfxVadc_GatingMode_always;
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adcGroupConfig.inputClass[0].resolution = IfxVadc_ChannelResolution_12bit;
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adcGroupConfig.inputClass[0].sampleTime = 1.0f/ADC_SAMPLE_FREQUENCY;
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adcGroupConfig.inputClass[1].resolution = IfxVadc_ChannelResolution_12bit;
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adcGroupConfig.inputClass[1].sampleTime = 1.0f/ADC_SAMPLE_FREQUENCY;
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IfxVadc_Adc_initGroup(&adcGroup, &adcGroupConfig);
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IfxVadc_Adc_ChannelConfig adcChannelConfig;
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IfxVadc_Adc_Channel adcChannel;
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IfxVadc_Adc_initChannelConfig(&adcChannelConfig, &adcGroup);
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adcChannelConfig.channelId = (IfxVadc_ChannelId)(vadc_chn%16);
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adcChannelConfig.resultRegister = (IfxVadc_ChannelResult)(vadc_chn%16);
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adcChannelConfig.backgroundChannel = TRUE;
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IfxVadc_Adc_initChannel(&adcChannel, &adcChannelConfig);
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unsigned channels = (1 << adcChannelConfig.channelId);
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unsigned mask = channels;
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IfxVadc_Adc_setBackgroundScan(&vadc, &adcGroup, channels, mask);
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IfxVadc_Adc_startBackgroundScan(&vadc);
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adc_resolution[vadc_chn] = resolution;
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}
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