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Update ProtoView

Browse Source 
https://github.com/antirez/protoview
This commit is contained in:
MX
2023-02-02 13:54:14 +03:00
parent f45f2a45da
commit 1d46df70a9
27 changed files with 2245 additions and 615 deletions
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83
applications/plugins/protoview/protocols/tpms/renault.c
View File

@@ -1,4 +1,7 @@
/* Renault tires TPMS. Usually 443.92 Mhz FSK.
/* Copyright (C) 2022-2023 Salvatore Sanfilippo -- All Rights Reserved
* See the LICENSE file for information about the license.
*
* Renault tires TPMS. Usually 443.92 Mhz FSK.
*
* Preamble + sync + Manchester bits. ~48us short pulse.
* 9 Bytes in total not counting the preamble. */
@@ -48,27 +51,69 @@ static bool decode(uint8_t* bits, uint32_t numbytes, uint32_t numbits, ProtoView
info->pulses_count = (off + 8 * 9 * 2) - info->start_off;
uint8_t flags = raw[0] >> 2;
float kpa = 0.75 * ((uint32_t)((raw[0] & 3) << 8) | raw[1]);
int temp = raw[2] - 30;
snprintf(info->name, sizeof(info->name), "%s", "Renault TPMS");
snprintf(
info->raw,
sizeof(info->raw),
"%02X%02X%02X%02X%02X%02X%02X%02X%02X",
raw[0],
raw[1],
raw[2],
raw[3],
raw[4],
raw[5],
raw[6],
raw[7],
raw[8]);
snprintf(info->info1, sizeof(info->info1), "Tire ID %02X%02X%02X", raw[3], raw[4], raw[5]);
snprintf(info->info2, sizeof(info->info2), "Pressure %.2f kpa", (double)kpa);
snprintf(info->info3, sizeof(info->info3), "Temperature %d C", temp);
fieldset_add_bytes(info->fieldset, "Tire ID", raw + 3, 3 * 2);
fieldset_add_float(info->fieldset, "Pressure kpa", kpa, 2);
fieldset_add_int(info->fieldset, "Temperature C", temp, 8);
fieldset_add_hex(info->fieldset, "Flags", flags, 6);
fieldset_add_bytes(info->fieldset, "Unknown1", raw + 6, 2);
fieldset_add_bytes(info->fieldset, "Unknown2", raw + 7, 2);
return true;
}
ProtoViewDecoder RenaultTPMSDecoder = {"Renault TPMS", decode};
/* Give fields and defaults for the signal creator. */
static void get_fields(ProtoViewFieldSet* fieldset) {
uint8_t default_id[3] = {0xAB, 0xCD, 0xEF};
fieldset_add_bytes(fieldset, "Tire ID", default_id, 3 * 2);
fieldset_add_float(fieldset, "Pressure kpa", 123, 2);
fieldset_add_int(fieldset, "Temperature C", 20, 8);
// We don't know what flags are, but 1B is a common value.
fieldset_add_hex(fieldset, "Flags", 0x1b, 6);
fieldset_add_bytes(fieldset, "Unknown1", (uint8_t*)"\xff", 2);
fieldset_add_bytes(fieldset, "Unknown2", (uint8_t*)"\xff", 2);
}
/* Create a Renault TPMS signal, according to the fields provided. */
static void build_message(RawSamplesBuffer* samples, ProtoViewFieldSet* fieldset) {
uint32_t te = 50; // Short pulse duration in microseconds.
// Preamble + sync
const char* psync = "01010101010101010101010101010110";
const char* p = psync;
while(*p) {
raw_samples_add_or_update(samples, *p == '1', te);
p++;
}
// Data, 9 bytes
uint8_t data[9] = {0};
unsigned int raw_pressure = fieldset->fields[1]->fvalue * 4 / 3;
data[0] = fieldset->fields[3]->uvalue << 2; // Flags
data[0] |= (raw_pressure >> 8) & 3; // Pressure kpa high 2 bits
data[1] = raw_pressure & 0xff; // Pressure kpa low 8 bits
data[2] = fieldset->fields[2]->value + 30; // Temperature C
memcpy(data + 3, fieldset->fields[0]->bytes, 6); // ID, 24 bits.
data[6] = fieldset->fields[4]->bytes[0]; // Unknown 1
data[7] = fieldset->fields[5]->bytes[0]; // Unknown 2
data[8] = crc8(data, 8, 0, 7);
// Generate Manchester code for each bit
for(uint32_t j = 0; j < 9 * 8; j++) {
if(bitmap_get(data, sizeof(data), j)) {
raw_samples_add_or_update(samples, true, te);
raw_samples_add_or_update(samples, false, te);
} else {
raw_samples_add_or_update(samples, false, te);
raw_samples_add_or_update(samples, true, te);
}
}
}
ProtoViewDecoder RenaultTPMSDecoder = {
.name = "Renault TPMS",
.decode = decode,
.get_fields = get_fields,
.build_message = build_message};