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loramac_tx_message_t Struct Reference
Stack level TX message structure. More...
#include <lorawan_data_structures.h>
Data Fields | |
bool | tx_ongoing |
TX Ongoing flag. | |
uint8_t | port |
Application Port Number. | |
mcps_type_t | type |
Message type. | |
uint8_t | fport |
int8_t | data_rate |
uint8_t | nb_trials |
uint8_t | f_buffer [MBED_CONF_LORA_TX_MAX_SIZE] |
Payload data. | |
uint16_t | f_buffer_size |
Payload size. | |
uint16_t | pending_size |
Pending data size. |
Detailed Description
Stack level TX message structure.
Definition at line 1134 of file lorawan_data_structures.h.
Field Documentation
int8_t data_rate |
Uplink datarate, if ADR is off.
Definition at line 1162 of file lorawan_data_structures.h.
uint8_t f_buffer[MBED_CONF_LORA_TX_MAX_SIZE] |
uint16_t f_buffer_size |
Payload size.
The size of the frame payload.
Definition at line 1195 of file lorawan_data_structures.h.
uint8_t fport |
Frame port field. Must be set if the payload is not empty. Use the application-specific frame port values: [1...223].
LoRaWAN Specification V1.0.2, chapter 4.3.2.
Definition at line 1157 of file lorawan_data_structures.h.
uint8_t nb_trials |
The number of trials to transmit the frame, if the LoRaMAC layer did not receive an acknowledgment. The MAC performs a datarate adaptation according to the LoRaWAN Specification V1.0.2, chapter 18.4, as in the following table:
Transmission nb | Data Rate ----------------|----------- 1 (first) | DR 2 | DR 3 | max(DR-1,0) 4 | max(DR-1,0) 5 | max(DR-2,0) 6 | max(DR-2,0) 7 | max(DR-3,0) 8 | max(DR-3,0)
Note that if nb_trials is set to 1 or 2, the MAC will not decrease the datarate, if the LoRaMAC layer did not receive an acknowledgment.
Definition at line 1183 of file lorawan_data_structures.h.
uint16_t pending_size |
Pending data size.
Definition at line 1200 of file lorawan_data_structures.h.
uint8_t port |
Application Port Number.
Definition at line 1144 of file lorawan_data_structures.h.
bool tx_ongoing |
TX Ongoing flag.
Definition at line 1139 of file lorawan_data_structures.h.
Message type.
Definition at line 1149 of file lorawan_data_structures.h.
Generated on Tue Jul 12 2022 14:26:47 by
