/**
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 *
 *
 * \brief MCP41xxx digital potentiomenter driver.
 *
 * \author Francesco Sacchi <batt@develer.com>
 *
 * $WIZ$ module_name = "mcp41"
 * $WIZ$ module_depends = "timer", "kfile"
 * $WIZ$ module_hw = "bertos/hw/hw_mcp41.h", "bertos/hw/hw_mcp41.c", "bertos/hw/mcp41_map.h"
 */

#ifndef DRV_MCP41_H
#define DRV_MCP41_H

#include "hw/mcp41_map.h"
#include <cfg/compiler.h>

#include <io/kfile.h>

#define MCP41_WRITE_DATA 0x11
#define MCP41_HW_MAX     255
#define MCP41_MAX        999

/**
 * Type for digital potentiometer resistance.
 */
typedef uint16_t mcp41_res_t;

void mcp41_setResistance(Mcp41Dev dev, mcp41_res_t res);
void mcp41_init(KFile *ch);

#endif /* DRV_MCP41_H */