kopia lustrzana https://github.com/OpenRTX/OpenRTX
57 wiersze
2.1 KiB
C
57 wiersze
2.1 KiB
C
/***************************************************************************
|
|
* Copyright (C) 2021 - 2023 by Federico Amedeo Izzo IU2NUO, *
|
|
* Niccolò Izzo IU2KIN *
|
|
* Frederik Saraci IU2NRO *
|
|
* Silvano Seva IU2KWO *
|
|
* Mathis Schmieder DB9MAT *
|
|
* *
|
|
* 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 MCP4551_H
|
|
#define MCP4551_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <datatypes.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// Common WIPER values
|
|
#define MCP4551_WIPER_MID 0x080
|
|
#define MCP4551_WIPER_A 0x100
|
|
#define MCP4551_WIPER_B 0x000
|
|
|
|
// Command definitions (sent to WIPER register)
|
|
#define MCP4551_CMD_WRITE 0x00
|
|
#define MCP4551_CMD_INC 0x04
|
|
#define MCP4551_CMD_DEC 0x08
|
|
#define MCP4551_CMD_READ 0x0C
|
|
|
|
/**
|
|
* Initialise I2C.
|
|
*/
|
|
void i2c_init();
|
|
|
|
void mcp4551_init(uint8_t addr);
|
|
void mcp4551_setWiper(uint8_t devAddr, uint16_t value);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* MCP4551_H */
|