43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
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/*
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/ _____) _ | |
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( (____ _____ ____ _| |_ _____ ____| |__
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\____ \| ___ | (_ _) ___ |/ ___) _ \
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_____) ) ____| | | || |_| ____( (___| | | |
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(______/|_____)_|_|_| \__)_____)\____)_| |_|
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(C)2020 Semtech
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Description:
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Basic driver for Analog AD5338R DAC.
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License: Revised BSD License, see LICENSE.TXT file include in the project
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*/
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#ifndef _LORAGW_AD5338R_H
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#define _LORAGW_AD5338R_H
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#include <stdint.h> /* C99 types */
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#include <stdbool.h> /* bool type */
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#include "config.h" /* library configuration options (dynamically generated) */
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/* -------------------------------------------------------------------------- */
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/* --- PRIVATE MACROS ------------------------------------------------------- */
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#define VOLTAGE2HEX_H(a) ( (a)*1024/5/4 )
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#define VOLTAGE2HEX_L(a) ( (((int)((a)*1024/5)) & 0x3) * 64 )
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/* -------------------------------------------------------------------------- */
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/* --- PRIVATE CONSTANTS ---------------------------------------------------- */
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#define I2C_PORT_DAC_AD5338R 0x0C
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#define AD5338R_CMD_SIZE 3
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/* -------------------------------------------------------------------------- */
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/* --- PUBLIC FUNCTIONS ----------------------------------------------------- */
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int ad5338r_configure(int i2c_fd, uint8_t i2c_addr);
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int ad5338r_write(int i2c_fd, uint8_t i2c_addr, uint8_t buf[static AD5338R_CMD_SIZE]);
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#endif
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