Archives/Farm-Data-Relay-System
2
0
Fork 0
mirror of https://github.com/timmbogner/Farm-Data-Relay-System synced 2024-11-08 13:10:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Do not require ACK when LoRa broadcast is sent from gateway

Browse Source
This commit is contained in:
Jeff Lehman 2023-02-22 20:44:03 -06:00
parent a7181208f5
commit 960fff7029
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/fdrs_gateway_lora.h
View File

@ -183,6 +183,9 @@ void transmitLoRa(uint16_t *destMac, DataReading *packet, uint8_t len)
// printf("CRC: %02X : %d\n",calcCRC, i);
calcCRC = crc16_update(calcCRC, pkt[i]);
}
if(*destMac == 0xFFFF) {
calcCRC = crc16_update(calcCRC, 0xA1);
}
pkt[(len * sizeof(DataReading) + 4)] = (calcCRC >> 8); // Append calculated CRC to the last 2 bytes of the packet
pkt[(len * sizeof(DataReading) + 5)] = (calcCRC & 0x00FF);
DBG("Transmitting LoRa message of size " + String(sizeof(pkt)) + " bytes with CRC 0x" + String(calcCRC, HEX) + " to LoRa MAC 0x" + String(*destMac, HEX));