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/*---------------------------------------------------------------------------*\
FILE........: stm32f4_adc.h
AUTHOR......: David Rowe
DATE CREATED: 30 May 2014
Two channel FIFO buffered ADC driver module for STM32F4.
\*---------------------------------------------------------------------------*/
/*
Copyright (C) 2014 David Rowe
All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 2.1, as
published by the Free Software Foundation. This program 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 Lesser General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __STM32F4_ADC__
#define __STM32F4_ADC__
#define ADC_BUF_SZ 320
/* divisors for various sample rates */
#define ADC_FS_8KHZ 10500
#define ADC_FS_16KHZ 5250
#define ADC_FS_48KHZ 1750
#define ADC_FS_96KHZ 875
void adc_open(int fs_divisor, int fifo_sz, short *buf1, short *buf2);
int adc1_read(short buf[], int n); /* ADC1 Pin PA1 */
int adc2_read(short buf[], int n); /* ADC2 Pin PA2 */
int adc1_samps();
int adc2_samps();
#endif
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