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[AFSK] Added check for zero tone frequency

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This commit is contained in:
jgromes 2020-05-03 11:04:51 +02:00
parent ed0a6623a6
commit 79d8ff2ca0
1 changed files with 4 additions and 0 deletions
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4
src/protocols/AFSK/AFSK.cpp
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@ -6,6 +6,10 @@ AFSKClient::AFSKClient(PhysicalLayer* phy, RADIOLIB_PIN_TYPE pin) {
} }
int16_t AFSKClient::tone(uint16_t freq, bool autoStart) { int16_t AFSKClient::tone(uint16_t freq, bool autoStart) {
if(freq == 0) {
return(ERR_INVALID_FREQUENCY);
}
if(autoStart) { if(autoStart) {
int16_t state = _phy->transmitDirect(); int16_t state = _phy->transmitDirect();
RADIOLIB_ASSERT(state); RADIOLIB_ASSERT(state);