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tm01x dallas write support

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This commit is contained in:
Methodius
2025-05-14 16:32:17 +03:00
parent 5b911f5405
commit e538bd7c8e
9 changed files with 120 additions and 14 deletions
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4
lib/ibutton/protocols/blanks/rw1990.c
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@@ -38,6 +38,8 @@ static bool rw1990_read_and_compare(OneWireHost* host, const uint8_t* data, size
}
bool rw1990_write_v1(OneWireHost* host, const uint8_t* data, size_t data_size) {
onewire_host_set_timings_default(host);
// Unlock sequence
onewire_host_reset(host);
onewire_host_write(host, RW1990_1_CMD_WRITE_RECORD_FLAG);
@@ -67,6 +69,8 @@ bool rw1990_write_v1(OneWireHost* host, const uint8_t* data, size_t data_size) {
}
bool rw1990_write_v2(OneWireHost* host, const uint8_t* data, size_t data_size) {
onewire_host_set_timings_default(host);
// Unlock sequence
onewire_host_reset(host);
onewire_host_write(host, RW1990_2_CMD_WRITE_RECORD_FLAG);

58
lib/ibutton/protocols/blanks/tm01x.c Normal file
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@@ -0,0 +1,58 @@
#include <core/kernel.h>
#include <one_wire/one_wire_host.h>
#include <one_wire/maxim_crc.h>
#include "tm01x.h"
// Commands for TM01x
#define TM01X_CMD_WRITE_FLAG 0xC1
#define TM01X_CMD_WRITE_ROM 0xC5
#define TM01X_CMD_READ_ROM 0x33
#define TM01X_CMD_FINALIZE_CYFRAL 0xCA
#define TM01X_CMD_FINALIZE_METAKOM 0xCB
static void tm01x_write_byte(OneWireHost* host, uint8_t value) {
for(uint8_t bitMask = 0x01; bitMask; bitMask <<= 1) {
onewire_host_write_bit(host, (bool)(bitMask & value));
furi_delay_us(5000); // 5ms pause after each bit
}
}
// Helper function to read and verify written data
static bool tm01x_read_and_verify(OneWireHost* host, const uint8_t* data, size_t data_size) {
bool success = false;
if(onewire_host_reset(host)) {
success = true;
onewire_host_write(host, TM01X_CMD_READ_ROM);
for(size_t i = 0; i < data_size; ++i) {
if(data[i] != onewire_host_read(host)) {
success = false;
break;
}
}
}
return success;
}
bool tm01x_write_dallas(OneWireHost* host, const uint8_t* data, size_t data_size) {
// Set TM01x specific timings
onewire_host_set_timings_tm01x(host);
// Write sequence
onewire_host_reset(host);
onewire_host_write(host, TM01X_CMD_WRITE_FLAG);
onewire_host_write_bit(host, true);
furi_delay_us(5000);
onewire_host_reset(host);
onewire_host_write(host, TM01X_CMD_WRITE_ROM);
for(size_t i = 0; i < data_size; ++i) {
tm01x_write_byte(host, data[i]);
}
return tm01x_read_and_verify(host, data, data_size);
}

7
lib/ibutton/protocols/blanks/tm01x.h Normal file
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@@ -0,0 +1,7 @@
#pragma once
#include <core/kernel.h>
#include <one_wire/one_wire_host.h>
// Function to write Dallas protocol to TM01x
bool tm01x_write_dallas(OneWireHost* host, const uint8_t* data, size_t data_size);

2
lib/ibutton/protocols/blanks/tm2004.c
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@@ -9,6 +9,8 @@
#define TM2004_ANSWER_READ_MEMORY 0xF5
bool tm2004_write(OneWireHost* host, const uint8_t* data, size_t data_size) {
onewire_host_set_timings_default(host);
onewire_host_reset(host);
onewire_host_write(host, TM2004_CMD_WRITE_ROM);
// Starting writing from address 0x0000

5
lib/ibutton/protocols/dallas/protocol_ds1990.c
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@@ -7,7 +7,7 @@
#include "../blanks/rw1990.h"
#include "../blanks/tm2004.h"
#include "../blanks/tm01x.h"
#define DS1990_FAMILY_CODE 0x01U
#define DS1990_FAMILY_NAME "DS1990"
@@ -66,7 +66,8 @@ bool dallas_ds1990_write_id(OneWireHost* host, iButtonProtocolData* protocol_dat
return rw1990_write_v1(host, data->rom_data.bytes, sizeof(DallasCommonRomData)) ||
rw1990_write_v2(host, data->rom_data.bytes, sizeof(DallasCommonRomData)) ||
tm2004_write(host, data->rom_data.bytes, sizeof(DallasCommonRomData));
tm2004_write(host, data->rom_data.bytes, sizeof(DallasCommonRomData)) ||
tm01x_write_dallas(host, data->rom_data.bytes, sizeof(DallasCommonRomData));
}
static bool dallas_ds1990_reset_callback(bool is_short, void* context) {