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drivers/sx126x.h : Add sx126x_symbol_to_msec()

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Akshai M 2021-06-30 19:39:57 +02:00
parent ccfd3ee980
commit a3ed19e0ee
1 changed files with 19 additions and 0 deletions
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19
drivers/include/sx126x.h
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@ -21,6 +21,8 @@
#ifndef SX126X_H
#define SX126X_H
#include <assert.h>
#include "sx126x_driver.h"
#include "net/netdev.h"
@ -97,6 +99,23 @@ void sx126x_setup(sx126x_t *dev, const sx126x_params_t *params, uint8_t index);
*/
int sx126x_init(sx126x_t *dev);
/**
* @brief Converts symbol value to time in milliseconds.
*
* @param[in] dev Device descriptor of the driver
* @param[in] symbols Symbols
*
* @return Time for symbol(s) in milliseconds
*/
static inline int sx126x_symbol_to_msec(sx126x_t *dev, uint16_t symbols)
{
assert(dev && (dev->mod_params.bw <= SX126X_LORA_BW_500) && \
(dev->mod_params.bw >= SX126X_LORA_BW_125));
/* Refer section 6.1.4 LoRa Time-on-Air in SX1268 datasheet */
return (symbols * (1 << (dev->mod_params.sf + 7 - dev->mod_params.bw)) / 1000);
}
/**
* @brief Gets the channel RF frequency.
*