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Merge pull request 'FORD: Fix PANIC Button ENCODE and Counter Overflow in DECODE' (#28) from RalphWiggum/ProtoPirate:ford_panic into main
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Reviewed-on: http://protopirate.net/ProtoPirate/ProtoPirate/pulls/28
Reviewed-by: MMX <mmx@no-reply.protopirate.net>
This commit is contained in:
MMX
2026-04-04 05:33:53 -04:00
parent 69c6b22b30 6fc8ed1346
commit 7a3a77df67
2 changed files with 8 additions and 5 deletions
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protocols/ford_v0.c
+7 -4
View File
@@ -149,7 +149,8 @@ const SubGhzProtocol ford_protocol_v0 = {
static uint8_t ford_v0_calculate_checksum(uint32_t serial, uint32_t count, uint8_t button) {
return (uint8_t)((((count >> 24) & 0xFF) + ((count >> 16) & 0xFF) + ((count >> 8) & 0xFF) +
(count & 0xFF) + ((serial >> 24) & 0xFF) + ((serial >> 16) & 0xFF) +
((serial >> 8) & 0xFF) + (serial & 0xFF) + (button << 4)) &
((serial >> 8) & 0xFF) + (serial & 0xFF) +
((button == 0) ? 8 : button << 4)) &
0xFF);
}
#endif
@@ -271,7 +272,7 @@ static void decode_ford_v0(
*button = (buf[5] >> 4) & 0x0F;
*count = ((buf[5] & 0x0F) << 16) | (buf[6] << 8) | buf[7];
*count = (((buf[5] & 0x0F) << 16) | (buf[6] << 8) | buf[7]) & 0xFFFF;
}
// =============================================================================
@@ -299,7 +300,7 @@ static void encode_ford_v0(
buf[3] = (serial >> 8) & 0xFF;
buf[4] = serial & 0xFF;
buf[5] = ((button & 0x0F) << 4) | ((count >> 16) & 0x0F);
buf[5] = ((button == 0) ? 8 : ((button & 0x0F) << 4)) | ((count >> 16) & 0x0F);
uint8_t count_mid = (count >> 8) & 0xFF;
uint8_t count_low = count & 0xFF;
@@ -930,7 +931,9 @@ void subghz_protocol_decoder_ford_v0_get_string(void* context, FuriString* outpu
bool crc_ok = ford_v0_verify_crc(instance->key1, instance->key2);
const char* button_name = "??";
if(instance->button == 0x01)
if(!instance->button)
button_name = "Panic";
else if(instance->button == 0x01)
button_name = "Lock";
else if(instance->button == 0x02)
button_name = "Unlock";
scenes/protopirate_scene_emulate.c
+1 -1
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@@ -175,7 +175,7 @@ static uint8_t
case InputKeyDown:
return 0x4; // Boot?
case InputKeyLeft:
return 0x8; // Panic?
return 0x0; // Panic?
case InputKeyRight:
return 0x3; // ?
default: