kopia lustrzana https://github.com/OpenRTX/OpenRTX
59 wiersze
2.4 KiB
C
59 wiersze
2.4 KiB
C
/***************************************************************************
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* Copyright (C) 2021 - 2024 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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* Mathis Schmieder DB9MAT *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#ifndef MCP4551_H
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#define MCP4551_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <datatypes.h>
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#include <peripherals/i2c.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Initialize the MCP4551 device.
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*
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* @param i2c: driver managing the I2C bus the chip is connected to.
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* @param devAddr: I2C device address of the chip.
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* @return zero on success, a negative error code otherwise.
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*/
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int mcp4551_init(const struct i2cDevice *i2c, const uint8_t devAddr);
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/**
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* Set the MCP4551 wiper to a given position.
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*
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* @param i2c: driver managing the I2C bus the chip is connected to.
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* @param devAddr: I2C device address of the chip.
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* @param value: new wiper position.
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* @return zero on success, a negative error code otherwise.
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*/
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int mcp4551_setWiper(const struct i2cDevice *i2c, const uint8_t devAddr,
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const uint16_t value);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MCP4551_H */
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