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discard wrong hollarms if bytesum is invalid

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MX
2025-02-24 10:57:27 +03:00
parent 0e8a0228be
commit dd2388e40d
1 changed files with 15 additions and 0 deletions
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15
lib/subghz/protocols/hollarm.c
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@@ -376,6 +376,21 @@ void subghz_protocol_decoder_hollarm_feed(void* context, bool level, volatile ui
// Saving with 2bit to the right offset for proper parsing
instance->generic.data = (instance->decoder.decode_data >> 2);
instance->generic.data_count_bit = instance->decoder.decode_count_bit;
uint8_t bytesum = ((instance->generic.data >> 32) & 0xFF) +
((instance->generic.data >> 24) & 0xFF) +
((instance->generic.data >> 16) & 0xFF) +
((instance->generic.data >> 8) & 0xFF);
if(bytesum != (instance->generic.data & 0xFF)) {
// Check if the key is valid by verifying the sum
instance->generic.data = 0;
instance->generic.data_count_bit = 0;
instance->decoder.decode_data = 0;
instance->decoder.decode_count_bit = 0;
instance->decoder.parser_step = HollarmDecoderStepReset;
break;
}
if(instance->base.callback)
instance->base.callback(&instance->base, instance->base.context);
}