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Code Issues Releases Wiki Activity

[sx126x] Fix issues with variable length FSK packets (#10911)

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This commit is contained in:
Jonathan Swoboda
2025-09-27 15:55:14 -04:00
committed by GitHub
parent 61a11547ca
commit 2bf79a607f
1 changed files with 6 additions and 3 deletions
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9
esphome/components/sx126x/sx126x.cpp
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@@ -217,7 +217,7 @@ void SX126x::configure() {
this->write_opcode_(RADIO_SET_MODULATIONPARAMS, buf, 4);
// set packet params and sync word
this->set_packet_params_(this->payload_length_);
this->set_packet_params_(this->get_max_packet_size());
if (this->sync_value_.size() == 2) {
this->write_register_(REG_LORA_SYNCWORD, this->sync_value_.data(), this->sync_value_.size());
}
@@ -236,7 +236,7 @@ void SX126x::configure() {
this->write_opcode_(RADIO_SET_MODULATIONPARAMS, buf, 8);
// set packet params and sync word
this->set_packet_params_(this->payload_length_);
this->set_packet_params_(this->get_max_packet_size());
if (!this->sync_value_.empty()) {
this->write_register_(REG_GFSK_SYNCWORD, this->sync_value_.data(), this->sync_value_.size());
}
@@ -274,7 +274,7 @@ void SX126x::set_packet_params_(uint8_t payload_length) {
buf[2] = (this->preamble_detect_ > 0) ? ((this->preamble_detect_ - 1) | 0x04) : 0x00;
buf[3] = this->sync_value_.size() * 8;
buf[4] = 0x00;
buf[5] = 0x00;
buf[5] = (this->payload_length_ > 0) ? 0x00 : 0x01;
buf[6] = payload_length;
buf[7] = this->crc_enable_ ? 0x06 : 0x01;
buf[8] = 0x00;
@@ -314,6 +314,9 @@ SX126xError SX126x::transmit_packet(const std::vector<uint8_t> &packet) {
buf[0] = 0xFF;
buf[1] = 0xFF;
this->write_opcode_(RADIO_CLR_IRQSTATUS, buf, 2);
if (this->payload_length_ == 0) {
this->set_packet_params_(this->get_max_packet_size());
}
if (this->rx_start_) {
this->set_mode_rx();
} else {