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77 lines
1.8 KiB
77 lines
1.8 KiB
/* |
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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 <[email protected]> |
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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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