openloop-frmwr/hardware.h at master · jhalmen/openloop-frmwr · GitHub

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/*
 * This file is part of the openloop hardware looper project.
 *
 * Copyright (C) 2018  Jonathan Halmen <jonathan@halmen.org>
 *
 * This program 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.
 *
 * 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 General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef HARDWARE_H
#define HARDWARE_H
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/flash.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/cm3/systick.h>
#include <libopencm3/stm32/spi.h>
#include <libopencm3/stm32/i2c.h>
#include <libopencm3/stm32/adc.h>
#include <libopencm3/stm32/timer.h>
#include <libopencm3/stm32/exti.h>
#include <stdio.h>
#include "dma.h"
#include "sdio.h"

void pll_setup(void);
void plli2s_setup(uint16_t n, uint8_t r);
void i2s2_pin_setup(void);
void i2s_init_master_receive(uint32_t i2s, uint8_t div, uint8_t odd, uint8_t mckoe);
void i2s_init_master_transmit(uint32_t i2s, uint8_t div, uint8_t odd, uint8_t mckoe);
void i2s_init_master(uint32_t i2s, uint8_t chlen, uint8_t div, uint8_t odd,
		uint8_t mckoe, uint8_t i2smode);
void i2s_init_slave_transmit(uint32_t i2s);
void i2s_init_slave_receive(uint32_t i2s);
void i2s_init_slave(uint32_t i2s, uint8_t i2smode);
void systick_setup(uint32_t tick_frequency);
uint32_t i2s_read(uint32_t i2s);
uint8_t chkside(uint32_t i2s);
void i2s_enable(uint32_t i2s);
void i2s_disable(uint32_t i2s);
void adc_setup(void);
void encoder_setup(void);
uint8_t encpos(void);
void buttons_setup(void);
void leds_setup(void);
void sddetect_setup(void);
uint8_t sddetect(void);
enum sd_status sd_init(void);


void codec_send_cmd(uint16_t cmd);
void i2c_setup(void);


struct i2sfreq {
	uint16_t plln;
	uint8_t pllr;
	uint8_t div;
	uint8_t odd;
};

void sound_setup(struct i2sfreq * f);

/* delete this debug function */
uint32_t get_i2c_stat1(void);
/* delete this debug function */
uint32_t get_i2c_stat2(void);

#endif //HARDWARE_H