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subghz marantec protocol implement crc verification and add manually

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fix crc function, add valid/invalid display (does not affect TX) and use new crc sum in add manually menu
This commit is contained in:
MX
2025-07-06 18:42:16 +03:00
parent 6ae1ce6861
commit 43b35019ed
6 changed files with 99 additions and 4 deletions
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34
lib/subghz/protocols/marantec.c
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@@ -165,7 +165,7 @@ static void subghz_protocol_encoder_marantec_get_upload(SubGhzProtocolEncoderMar
}
uint8_t subghz_protocol_marantec_crc8(uint8_t* data, size_t len) {
uint8_t crc = 0x08;
uint8_t crc = 0x01;
size_t i, j;
for(i = 0; i < len; i++) {
crc ^= data[i];
@@ -184,6 +184,18 @@ uint8_t subghz_protocol_marantec_crc8(uint8_t* data, size_t len) {
* @param instance Pointer to a SubGhzBlockGeneric* instance
*/
static void subghz_protocol_marantec_remote_controller(SubGhzBlockGeneric* instance) {
// Key samples
// 1307EDF6486C5 = 000 100110000 01111110110111110110 0100 10000110 11000101
// 1303EFAFD8683 = 000 100110000 00111110111110101111 1101 10000110 10000011
// From unittests
// 1300710DF869F
// const serial button serial crc
// 130 7EDF6 4 86 C5
// 130 3EFAF D 86 83
// 130 0710D F 86 9F
instance->btn = (instance->data >> 16) & 0xF;
instance->serial = ((instance->data >> 12) & 0xFFFFFF00) | ((instance->data >> 8) & 0xFF);
}
@@ -367,16 +379,30 @@ void subghz_protocol_decoder_marantec_get_string(void* context, FuriString* outp
SubGhzProtocolDecoderMarantec* instance = context;
subghz_protocol_marantec_remote_controller(&instance->generic);
uint8_t tdata[6] = {
instance->generic.data >> 48,
instance->generic.data >> 40,
instance->generic.data >> 32,
instance->generic.data >> 24,
instance->generic.data >> 16,
instance->generic.data >> 8};
uint8_t crc = subghz_protocol_marantec_crc8(tdata, sizeof(tdata));
bool crc_ok = (crc == (instance->generic.data & 0xFF));
furi_string_cat_printf(
output,
"%s %db\r\n"
"Key:0x%lX%08lX\r\n"
"Sn:0x%07lX \r\n"
"Btn:%X\r\n",
"Key: 0x%lX%08lX\r\n"
"Sn: 0x%07lX \r\n"
"CRC: 0x%02X - %s\r\n"
"Btn: %X\r\n",
instance->generic.protocol_name,
instance->generic.data_count_bit,
(uint32_t)(instance->generic.data >> 32),
(uint32_t)(instance->generic.data & 0xFFFFFFFF),
instance->generic.serial,
crc,
crc_ok ? "Valid" : "Invalid",
instance->generic.btn);
}

8
lib/subghz/protocols/marantec.h
View File

@@ -107,3 +107,11 @@ SubGhzProtocolStatus
* @param output Resulting text
*/
void subghz_protocol_decoder_marantec_get_string(void* context, FuriString* output);
/**
* Calculate CRC8 for Marantec protocol.
* @param data Pointer to the data buffer
* @param len Length of the data buffer
* @return CRC8 value
*/
uint8_t subghz_protocol_marantec_crc8(uint8_t* data, size_t len);