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/*
* adc-gnu-linux.c - ADC driver for GNU/Linux emulation.
* This ADC driver just fills pseudo random values.
* It's completely useless other than for NeuG.
*
* Copyright (C) 2017 Free Software Initiative of Japan
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include "adc.h"
#define ADC_RANDOM_SEED 0x01034649 /* "Hello, father!" in Japanese */
/*
* Do calibration for ADC.
*/
int
adc_init (void)
{
srandom (ADC_RANDOM_SEED);
return 0;
}
void
adc_start (void)
{
}
uint32_t adc_buf[64];
void
adc_start_conversion (int offset, int count)
{
while (count--)
adc_buf[offset++] = random ();
}
void
adc_stop (void)
{
}
/*
* Return 0 on success.
* Return 1 on error.
*/
int
adc_wait_completion (void)
{
return 0;
}
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