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[RF69] a fix for invalid sync word length setting (#1448)

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* [RF69] a fix for invalid sync word length setting

* [RF69] fix maxErrBits width
This commit is contained in:
Linar Yusupov 2025-03-06 09:09:01 +03:00 • committed by GitHub
parent d605bc2058
commit 6bf0c3f735
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GPG key ID: B5690EEEBB952194
1 changed files with 4 additions and 4 deletions
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8
src/modules/RF69/RF69.cpp
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@ -696,7 +696,7 @@ int16_t RF69::setOutputPower(int8_t pwr, bool highPower) {
int16_t RF69::setSyncWord(const uint8_t* syncWord, size_t len, uint8_t maxErrBits) {
// check constraints
if((maxErrBits > 7) || (len > 8)) {
if((maxErrBits > 7) || (len == 0) || (len > 8)) {
return(RADIOLIB_ERR_INVALID_SYNC_WORD);
}
@ -712,12 +712,12 @@ int16_t RF69::setSyncWord(const uint8_t* syncWord, size_t len, uint8_t maxErrBit
RADIOLIB_ASSERT(state);
// set the length
state = this->mod->SPIsetRegValue(RADIOLIB_RF69_REG_SYNC_CONFIG, len, 5, 3);
state = this->mod->SPIsetRegValue(RADIOLIB_RF69_REG_SYNC_CONFIG, len-1, 5, 3);
// set sync word register
this->mod->SPIwriteRegisterBurst(RADIOLIB_RF69_REG_SYNC_VALUE_1, syncWord, len);
if(state == RADIOLIB_ERR_NONE) {
this->syncWordLength = len;
this->syncWordLength = len-1;
}
return(state);
@ -814,7 +814,7 @@ int16_t RF69::enableSyncWordFiltering(uint8_t maxErrBits) {
RADIOLIB_ASSERT(state);
// set maximum error bits
return(this->mod->SPIsetRegValue(RADIOLIB_RF69_REG_SYNC_CONFIG, maxErrBits, 3, 0));
return(this->mod->SPIsetRegValue(RADIOLIB_RF69_REG_SYNC_CONFIG, maxErrBits, 2, 0));
}
int16_t RF69::disableSyncWordFiltering() {