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78 lines
1.8 KiB
78 lines
1.8 KiB
3 years ago
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/*
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* adc-gnu-linux.c - ADC driver for GNU/Linux emulation.
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* This ADC driver just fills pseudo random values.
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* It's completely useless other than for NeuG.
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*
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* Copyright (C) 2017 Free Software Initiative of Japan
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* Author: NIIBE Yutaka <gniibe@fsij.org>
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*
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* This file is a part of Chopstx, a thread library for embedded.
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*
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* Chopstx is free software: you can redistribute it and/or modify it
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* 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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* Chopstx is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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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* As additional permission under GNU GPL version 3 section 7, you may
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* distribute non-source form of the Program without the copy of the
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* GNU GPL normally required by section 4, provided you inform the
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* receipents of GNU GPL by a written offer.
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*
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <chopstx.h>
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#include "adc.h"
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#define ADC_RANDOM_SEED 0x01034649 /* "Hello, father!" in Japanese */
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/*
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* Do calibration for ADC.
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*/
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int
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adc_init (void)
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{
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srandom (ADC_RANDOM_SEED);
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return 0;
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}
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void
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adc_start (void)
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{
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}
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uint32_t adc_buf[64];
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void
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adc_start_conversion (int offset, int count)
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{
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while (count--)
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adc_buf[offset++] = random ();
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}
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void
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adc_stop (void)
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{
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}
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/*
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* Return 0 on success.
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* Return 1 on error.
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*/
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int
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adc_wait_completion (void)
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{
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return 0;
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}
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