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gnrc/lorawan : Add RX1DROffset for IN865 region

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Co-authored-by: José Alamos <jialamos@uc.cl>
This commit is contained in:
Akshai M 2020-10-02 13:55:29 +05:30
parent 35e9612d02
commit 874d7d15cb
1 changed files with 13 additions and 0 deletions
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13
sys/net/gnrc/link_layer/lorawan/gnrc_lorawan_region.c
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@ -12,10 +12,14 @@
* @file * @file
* @author José Ignacio Alamos <jose.alamos@haw-hamburg.de> * @author José Ignacio Alamos <jose.alamos@haw-hamburg.de>
*/ */
#include "kernel_defines.h"
#include "net/gnrc/lorawan/region.h" #include "net/gnrc/lorawan/region.h"
#define GNRC_LORAWAN_DATARATES_NUMOF (6U) #define GNRC_LORAWAN_DATARATES_NUMOF (6U)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
static uint8_t dr_sf[GNRC_LORAWAN_DATARATES_NUMOF] = static uint8_t dr_sf[GNRC_LORAWAN_DATARATES_NUMOF] =
{ LORA_SF12, LORA_SF11, LORA_SF10, LORA_SF9, LORA_SF8, LORA_SF7 }; { LORA_SF12, LORA_SF11, LORA_SF10, LORA_SF9, LORA_SF8, LORA_SF7 };
static uint8_t dr_bw[GNRC_LORAWAN_DATARATES_NUMOF] = static uint8_t dr_bw[GNRC_LORAWAN_DATARATES_NUMOF] =
@ -38,11 +42,20 @@ int gnrc_lorawan_set_dr(gnrc_lorawan_t *mac, uint8_t datarate)
return 0; return 0;
} }
#if (IS_ACTIVE(CONFIG_LORAMAC_REGION_EU_868))
uint8_t gnrc_lorawan_rx1_get_dr_offset(uint8_t dr_up, uint8_t dr_offset) uint8_t gnrc_lorawan_rx1_get_dr_offset(uint8_t dr_up, uint8_t dr_offset)
{ {
return (dr_up > dr_offset) ? (dr_up - dr_offset) : 0; return (dr_up > dr_offset) ? (dr_up - dr_offset) : 0;
} }
#elif (IS_ACTIVE(CONFIG_LORAMAC_REGION_IN_865))
uint8_t gnrc_lorawan_rx1_get_dr_offset(uint8_t dr_up, uint8_t dr_offset)
{
int dr_eff = dr_offset > 5 ? 5 - dr_offset : dr_offset;
return MIN(5, MAX(0, dr_up - dr_eff));
}
#endif
static size_t _get_num_used_channels(gnrc_lorawan_t *mac) static size_t _get_num_used_channels(gnrc_lorawan_t *mac)
{ {
size_t count = 0; size_t count = 0;