devtree.h

/*
 * Copyright (c) 2016, Ari Suutari <ari@stonepile.fi>.
 * All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote
 *     products derived from this software without specific prior written
 *     permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _DEVTREE_H
#define _DEVTREE_H

#include <picoos-u.h>
#include <picoos-u-spiffs.h>

/*
 * STM32 spi bus config.
 */
typedef struct {

  UosSpiBusConf base;
  SPI_TypeDef* spi;
} BusConf;

extern UosSpiBus spi1Bus;
extern UosSpiBus spi4Bus;

extern const UosFlashConf flashConf;
extern UosFlashDev flashDev;
extern UosSpiDev oledDev;

void    spiInit(struct uosSpiBus* bus);
void    spiCs(struct uosSpiBus* bus, bool select);
void    spiControl(struct uosSpiBus* bus, bool highSpeed);
uint8_t spiXchg(const struct uosSpiBus* bus, uint8_t data);

void devTreeInit(void);
void fsInit(void);

void init1Wire(void);
float read1Wire(void);

#endif