deuxyeux/RNode_Firmware
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Adjusted CSMA parameters and P-curve. Added dynamic CSMA slot time.

Browse Source
This commit is contained in:
Mark Qvist
2024-10-10 23:26:12 +02:00
parent 8639765679
commit 2ede362cb3
3 changed files with 10 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Utilities.h
View File

@@ -1047,7 +1047,9 @@ void updateBitrate() {
lora_symbol_time_ms = (1.0/lora_symbol_rate)*1000.0;
lora_bitrate = (uint32_t)(lora_sf * ( (4.0/(float)lora_cr) / ((float)(pow(2, lora_sf))/((float)lora_bw/1000.0)) ) * 1000.0);
lora_us_per_byte = 1000000.0/((float)lora_bitrate/8.0);
// csma_slot_ms = lora_symbol_time_ms*10;
csma_slot_ms = lora_symbol_time_ms*12;
if (csma_slot_ms > CSMA_SLOT_MAX_MS) { csma_slot_ms = CSMA_SLOT_MAX_MS; }
if (csma_slot_ms < CSMA_SLOT_MIN_MS) { csma_slot_ms = CSMA_SLOT_MIN_MS; }
float target_preamble_symbols = (LORA_PREAMBLE_TARGET_MS/lora_symbol_time_ms)-LORA_PREAMBLE_SYMBOLS_HW;
if (target_preamble_symbols < LORA_PREAMBLE_SYMBOLS_MIN) {
target_preamble_symbols = LORA_PREAMBLE_SYMBOLS_MIN;