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Fix for FHSS hopping where freq_count is a power of 2

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phobos- 2022-08-01 17:45:46 +02:00
parent 9e5fb3fe88
commit 7a23793c16
1 changed files with 2 additions and 2 deletions
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4
src/main/rx/expresslrs_common.c
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@ -40,7 +40,7 @@ STATIC_UNIT_TESTED uint16_t crc14tab[ELRS_CRC_LEN] = {0};
static uint8_t volatile fhssIndex = 0; static uint8_t volatile fhssIndex = 0;
STATIC_UNIT_TESTED uint8_t fhssSequence[ELRS_NR_SEQUENCE_ENTRIES] = {0}; STATIC_UNIT_TESTED uint8_t fhssSequence[ELRS_NR_SEQUENCE_ENTRIES] = {0};
static uint8_t seqCount = 0; static uint16_t seqCount = 0;
static uint8_t syncChannel = 0; static uint8_t syncChannel = 0;
static uint32_t freqSpread = 0; static uint32_t freqSpread = 0;
@ -194,7 +194,7 @@ void fhssGenSequence(const uint8_t UID[], const elrsFreqDomain_e dom)
freqSpread = (fhssConfig->freqStop - fhssConfig->freqStart) * ELRS_FREQ_SPREAD_SCALE / MAX((fhssConfig->freqCount - 1), 1); freqSpread = (fhssConfig->freqStop - fhssConfig->freqStart) * ELRS_FREQ_SPREAD_SCALE / MAX((fhssConfig->freqCount - 1), 1);
// initialize the sequence array // initialize the sequence array
for (uint8_t i = 0; i < seqCount; i++) { for (uint16_t i = 0; i < seqCount; i++) {
if (i % fhssConfig->freqCount == 0) { if (i % fhssConfig->freqCount == 0) {
fhssSequence[i] = syncChannel; fhssSequence[i] = syncChannel;
} else if (i % fhssConfig->freqCount == syncChannel) { } else if (i % fhssConfig->freqCount == syncChannel) {