a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2016 Unwired Devices <info@unwds.com>
* 2017 Inria Chile
* 2017 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup drivers_sx127x
* @{
* @file
* @brief Semtech SX127X internal functions
*
* @author Eugene P. <ep@unwds.com>
* @author José Ignacio Alamos <jose.alamos@inria.cl>
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*/
#ifndef SX127X_INTERNAL_H
#define SX127X_INTERNAL_H
#include <inttypes.h>
#include "sx127x.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Constant values used to compute RSSI
* @{
*/
#if defined(MODULE_SX1272)
#define SX127X_RSSI_OFFSET (-139)
#else /* MODULE_SX1276 */
#define SX127X_RSSI_OFFSET_LF (-164)
#define SX127X_RSSI_OFFSET_HF (-157)
#endif
/** @} */
/**
* @brief Tests the transceiver version type.
*
* @param[in] dev The sx127x device descriptor
* @return true if test passed, false otherwise
*/
bool sx127x_test(const sx127x_t *dev);
/**
* @brief Writes the radio register at specified address.
*
* @param[in] dev The sx127x device structure pointer
* @param[in] addr Register address
* @param[in] data New register value
*/
void sx127x_reg_write(const sx127x_t *dev, uint8_t addr, uint8_t data);
/**
* @brief Reads the radio register at specified address.
*
* @param[in] dev The sx127x device structure pointer
* @param[in] addr Register address
*
* @return Register value
*/
uint8_t sx127x_reg_read(const sx127x_t *dev, uint8_t addr);
/**
* @brief Writes multiple radio registers starting at address (burst-mode).
*
* @param[in] dev The sx127x device structure pointer
* @param[in] addr First radio register address
* @param[in] buffer Buffer containing the new register's values
* @param[in] size Number of registers to be written
*/
void sx127x_reg_write_burst(const sx127x_t *dev, uint8_t addr, uint8_t *buffer,
uint8_t size);
/**
* @brief Reads multiple radio registers starting at address.
*
* @param[in] dev The sx127x device structure pointer
* @param[in] addr First radio register address
* @param[in] size Number of registers to be read
* @param[out] buffer Buffer where to copy registers data
*/
void sx127x_reg_read_burst(const sx127x_t *dev, uint8_t addr, uint8_t *buffer,
uint8_t size);
/**
* @brief Writes the buffer contents to the SX1276 FIFO
*
* @param[in] dev The sx127x device structure pointer
* @param[in] buffer Buffer Buffer containing data to be put on the FIFO.
* @param[in] size Size Number of bytes to be written to the FIFO
*/
void sx127x_write_fifo(const sx127x_t *dev, uint8_t *buffer, uint8_t size);
/**
* @brief Reads the contents of the SX1276 FIFO
*
* @param[in] dev The sx127x device structure pointer
* @param[in] size Size Number of bytes to be read from the FIFO
* @param[out] buffer Buffer Buffer where to copy the FIFO read data.
*/
void sx127x_read_fifo(const sx127x_t *dev, uint8_t *buffer, uint8_t size);
/**
* @brief Performs the Rx chain calibration for LF and HF bands
*
* Must be called just after the reset so all registers are at their
* default values
*
* @param[in] dev The sx127x device structure pointer
*/
void sx127x_rx_chain_calibration(sx127x_t *dev);
/**
* @brief Reads the current RSSI value.
*
* @param[in] dev The sx127x device descriptor
*
* @return current value of RSSI in [dBm]
*/
int16_t sx127x_read_rssi(const sx127x_t *dev);
#ifdef __cplusplus
}
#endif
#endif /* SX127X_INTERNAL_H */
/** @} */
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