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Adjusted preamble and airtime calculations

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This commit is contained in:
Mark Qvist 2023-09-14 13:00:40 +02:00
parent eb7b5c6c26
commit 9fd379486d
3 changed files with 27 additions and 13 deletions
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12
Utilities.h
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@ -908,11 +908,10 @@ inline uint8_t packetSequence(uint8_t header) {
void updateBitrate() {
#if MCU_VARIANT == MCU_ESP32
if (radio_online) {
// self.bitrate = self.r_sf * ( (4.0/self.r_cr) / (math.pow(2,self.r_sf)/(self.r_bandwidth/1000)) ) * 1000
// self.bitrate_kbps = round(self.bitrate/1000.0, 2)
lora_symbol_rate = (float)lora_bw/(float)(pow(2, lora_sf));
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);
us_per_byte = 1000000.0/((float)lora_bitrate/8.0);
lora_us_per_byte = 1000000.0/((float)lora_bitrate/8.0);
} else {
lora_bitrate = 0;
}
@ -929,6 +928,11 @@ void setCodingRate() {
updateBitrate();
}
void setPreamble() {
if (radio_online) LoRa.setPreambleLength(lora_preamble_symbols);
updateBitrate();
}
void set_implicit_length(uint8_t len) {
implicit_l = len;
if (implicit_l != 0) {