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41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "hal/adc_hal.h"
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void adc_hal_init(void)
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{
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// Set internal FSM wait time, fixed value.
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adc_ll_digi_set_fsm_time(SOC_ADC_FSM_RSTB_WAIT_DEFAULT, SOC_ADC_FSM_START_WAIT_DEFAULT,
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SOC_ADC_FSM_STANDBY_WAIT_DEFAULT);
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adc_ll_set_sample_cycle(ADC_FSM_SAMPLE_CYCLE_DEFAULT);
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adc_hal_pwdet_set_cct(SOC_ADC_PWDET_CCT_DEFAULT);
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adc_ll_digi_output_invert(ADC_NUM_1, SOC_ADC_DIGI_DATA_INVERT_DEFAULT(ADC_NUM_1));
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adc_ll_digi_output_invert(ADC_NUM_2, SOC_ADC_DIGI_DATA_INVERT_DEFAULT(ADC_NUM_2));
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}
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void adc_hal_deinit(void)
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{
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adc_ll_set_power_manage(ADC_POWER_SW_OFF);
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}
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int adc_hal_convert(adc_ll_num_t adc_n, int channel, int *value)
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{
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adc_ll_rtc_enable_channel(adc_n, channel);
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adc_ll_rtc_start_convert(adc_n, channel);
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while (adc_ll_rtc_convert_is_done(adc_n) != true);
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*value = adc_ll_rtc_get_convert_value(adc_n);
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return (int)adc_ll_rtc_analysis_raw_data(adc_n, (uint16_t)(*value));
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}
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