iButton: TM01x Dallas ID write support

lib/ibutton/protocols/blanks/rw1990.c

@@ -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);

lib/ibutton/protocols/blanks/tm01x.c

@@ -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);
+}

lib/ibutton/protocols/blanks/tm01x.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <core/kernel.h>
+#include <one_wire/one_wire_host.h>
+
+bool tm01x_write_dallas(OneWireHost* host, const uint8_t* data, size_t data_size);

lib/ibutton/protocols/blanks/tm2004.c

@@ -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

lib/ibutton/protocols/dallas/protocol_ds1990.c

@@ -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) {

lib/one_wire/one_wire_host.c

@@ -8,16 +8,16 @@
 #include "one_wire_host.h"
 
 typedef struct {
-    uint16_t a;
-    uint16_t b;
-    uint16_t c;
-    uint16_t d;
-    uint16_t e;
-    uint16_t f;
-    uint16_t g;
-    uint16_t h;
-    uint16_t i;
-    uint16_t j;
+    uint16_t a; // Write 1 low time
+    uint16_t b; // Write 1 high time
+    uint16_t c; // Write 0 low time
+    uint16_t d; // Write 0 high time
+    uint16_t e; // Read low time
+    uint16_t f; // Read high time
+    uint16_t g; // Reset pre-delay
+    uint16_t h; // Reset pulse
+    uint16_t i; // Presence detect
+    uint16_t j; // Reset post-delay
 } OneWireHostTimings;
 
 static const OneWireHostTimings onewire_host_timings_normal = {
@@ -46,6 +46,20 @@ static const OneWireHostTimings onewire_host_timings_overdrive = {
     .j = 40,
 };
 
+// TM01x specific timings
+static const OneWireHostTimings onewire_host_timings_tm01x = {
+    .a = 5,
+    .b = 80,
+    .c = 70,
+    .d = 10,
+    .e = 5,
+    .f = 70,
+    .g = 0,
+    .h = 740,
+    .i = 140,
+    .j = 410,
+};
+
 struct OneWireHost {
     const GpioPin* gpio_pin;
     const OneWireHostTimings* timings;
@@ -354,3 +368,15 @@ void onewire_host_set_overdrive(OneWireHost* host, bool set) {
 
     host->timings = set ? &onewire_host_timings_overdrive : &onewire_host_timings_normal;
 }
+
+void onewire_host_set_timings_default(OneWireHost* host) {
+    furi_check(host);
+
+    host->timings = &onewire_host_timings_normal;
+}
+
+void onewire_host_set_timings_tm01x(OneWireHost* host) {
+    furi_check(host);
+
+    host->timings = &onewire_host_timings_tm01x;
+}

lib/one_wire/one_wire_host.h

@@ -125,6 +125,10 @@ bool onewire_host_search(OneWireHost* host, uint8_t* new_addr, OneWireHostSearch
  */
 void onewire_host_set_overdrive(OneWireHost* host, bool set);
 
+void onewire_host_set_timings_default(OneWireHost* host);
+
+void onewire_host_set_timings_tm01x(OneWireHost* host);
+
 #ifdef __cplusplus
 }
 #endif

targets/f18/api_symbols.csv

@@ -2283,6 +2283,8 @@ Function,+,onewire_host_reset,_Bool,OneWireHost*
 Function,+,onewire_host_reset_search,void,OneWireHost*
 Function,+,onewire_host_search,_Bool,"OneWireHost*, uint8_t*, OneWireHostSearchMode"
 Function,+,onewire_host_set_overdrive,void,"OneWireHost*, _Bool"
+Function,+,onewire_host_set_timings_default,void,OneWireHost*
+Function,+,onewire_host_set_timings_tm01x,void,OneWireHost*
 Function,+,onewire_host_start,void,OneWireHost*
 Function,+,onewire_host_stop,void,OneWireHost*
 Function,+,onewire_host_target_search,void,"OneWireHost*, uint8_t"

targets/f7/api_symbols.csv

@@ -2935,6 +2935,8 @@ Function,+,onewire_host_reset,_Bool,OneWireHost*
 Function,+,onewire_host_reset_search,void,OneWireHost*
 Function,+,onewire_host_search,_Bool,"OneWireHost*, uint8_t*, OneWireHostSearchMode"
 Function,+,onewire_host_set_overdrive,void,"OneWireHost*, _Bool"
+Function,+,onewire_host_set_timings_default,void,OneWireHost*
+Function,+,onewire_host_set_timings_tm01x,void,OneWireHost*
 Function,+,onewire_host_start,void,OneWireHost*
 Function,+,onewire_host_stop,void,OneWireHost*
 Function,+,onewire_host_target_search,void,"OneWireHost*, uint8_t"