55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* Megumin LED display firmware
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* Copyright (C) 2018 Sebastian Götte <code@jaseg.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ADC_H__
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#define __ADC_H__
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#include "global.h"
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struct adc_measurements {
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int16_t adc_vcc_mv;
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int16_t adc_temp_celsius_tenths;
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int16_t adc_vmeas_a_mv;
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int16_t adc_vmeas_b_mv;
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};
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enum channel_mask {
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MASK_VMEAS_A = ADC_CHSELR_CHSEL0,
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MASK_VMEAS_B = ADC_CHSELR_CHSEL1
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};
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enum adc_mode {
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ADC_UNINITIALIZED,
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ADC_MONITOR,
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ADC_SCOPE
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};
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enum sampling_mode {
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SAMPLE_FAST = 0
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};
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extern volatile struct adc_measurements adc_data;
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extern volatile uint16_t adc_buf[ADC_BUFSIZE];
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extern enum adc_mode adc_mode;
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extern int adc_oversampling;
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void adc_init(void);
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void adc_configure_scope_mode(uint8_t channel_mask, int sampling_interval_ns);
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void adc_configure_monitor_mode(int oversampling);
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#endif/*__ADC_H__*/
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