[FL-3070] iButton system and app refactoring (#2388)

* Add 1-wire thermometer example app stub
* Working 1-wire thermometer app
* Refactor app to use threads
* Clean up code, add comments
* Add CRC checking
* Increase update period
* Fix error in fbt
* Revert the old update period
* Use settable pin in onewire_host
* Use settable pin for onewire_slave
* Clear EXTI flag after callback, make private methods static in onewire_slave
* Do not hardcode GPIO pin number
* Remove iButton hal from furi_hal_rfid
* Remove most of furi_hal_ibutton
* Add some of furi_hal_ibutton back
* Slightly neater code
* Update CODEOWNERS
* Add furi_hal_gpio_get_ext_pin_number
* Create README.md
* Temporary get Metakom and Cyfral keys out of the way
* Better enum name
* Syncing work, does not compile
* Syncing work, now compiles
* Working read impl for DS1990 and DS1992
* Add the ability to display extended key data
* Get rid of DialogEx
* Add save and load API
* Better iButtonKey encapsulation
* Fix crash
* Load key code boilerplate
* More load key code boilerplate
* Minor code cleanup
* Implement loading and saving DS1990 keys
* Implement the Info scene
* Implement loading & saving for DS1992
* Implement read error scene stub
* Implement delete confirmation screen
* Better error messages (protocol-dependent)
* Minor old code cleanup
* Remove iButtonDevice, add command callback to iButtonSlave
* Implement draft emulation for DS1990
* Better emulation for DS1990
* Initial emulation implementation for DS1992
* Better common command definitions
* Use common submenu callback, add protocol list
* Improve ViewData screen
* Improve scene_add_type
* Add stubs for write functionality
* Improve naming consistency
* Implement writing a DS1992 onto another one
* Improve DS1992 write code
* Improve DS1992 write code once more
* Prepare write_blank for DS1990, delete ibutton_writer
* Implement writing DS1990 onto blanks
* Fix reading DS1990
* Partially implement writing DS1992 onto blanks
* Implement GUI for writing keys
* Implement GUI for emulating keys
* Reduce memory usage for pretty_format
* Automatically truncate data more than 256 bytes
* Initial implementation of DS1996 (not tested)
* Fix crash due to missing virtual function
* Improve emulation code
* Improve DS1992 emulation code
* Correct return value for onewire_slave_send
* Correct return value for onewire_slave_receive
* Implement emulation for DS1992 & DS1996
* Better constant names
* Simplify & optimise the emulation code
* Remove duplicate code
* Add skip rom command emulation
* Show loading animation for large keys
* Implement manual adding & editing of keys
* Use buffered file streams to speed up saving & loading
* Reset key name before adding a new one
* Sync a buffered file stream before saving
* Use the DSGeneric protocol as a fallback option
* Implement emulation via RPC
* Refactor iButton code in preparation for comparator keys
* Refactor iButton code in preparation for comparator keys once more
* Make some functions static
* Make protocols not rely on one_wire classes
* Improve ProtocolDict usage
* Improve ProtocolDict usage more
* Implement reading Metakom & Cyfral keys
* Rename some files
* Better file structure
* Implement a unified interface for misc protocols
* Implement a unified interface for dallas protocols
* Concrete types for Dallas protocols
* Implement a unified interface for all key types
* Improved type naming
* Improved private types
* Proper types in protocol definitions
* Implement emulation for Cyfral & Metakom keys
* Implement save&load for Metakom & Cyfral keys
* Better type names
* Rename files, better names
* Allocate iButtonProtocols like a normal class
* Reset the key each time the start scene is selected
* Improve comments and constants
* Add ibutton_protocols to SDK headers
* Add ibutton_key to SDK headers
* Add ibutton_key to SDK headers
* Implement reading via cli
* Implement emulation via cli
* Implement writing Dallas blanks via cli
* Correctly revert the editing if cancelled by the user
* Correct committing mishap
* Elide the long text on the info screen
* Change key name for data in Misc keys
* Update iButtonFileFormat.md
* Remember the key's folder
* Save menu position in ReadKeyMenu and SavedKeyMenu
* Correct use of preselected path in file browser

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

lib/one_wire/ibutton/protocols/blanks/rw1990.c

@@ -0,0 +1,95 @@
+#include "rw1990.h"
+
+#include <core/kernel.h>
+
+#define RW1990_1_CMD_WRITE_RECORD_FLAG 0xD1
+#define RW1990_1_CMD_READ_RECORD_FLAG 0xB5
+#define RW1990_1_CMD_WRITE_ROM 0xD5
+
+#define RW1990_2_CMD_WRITE_RECORD_FLAG 0x1D
+#define RW1990_2_CMD_READ_RECORD_FLAG 0x1E
+#define RW1990_2_CMD_WRITE_ROM 0xD5
+
+#define DS1990_CMD_READ_ROM 0x33
+
+static void rw1990_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);
+    }
+}
+
+static bool rw1990_read_and_compare(OneWireHost* host, const uint8_t* data, size_t data_size) {
+    bool success = false;
+
+    if(onewire_host_reset(host)) {
+        success = true;
+        onewire_host_write(host, DS1990_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 rw1990_write_v1(OneWireHost* host, const uint8_t* data, size_t data_size) {
+    // Unlock sequence
+    onewire_host_reset(host);
+    onewire_host_write(host, RW1990_1_CMD_WRITE_RECORD_FLAG);
+    furi_delay_us(10);
+
+    onewire_host_write_bit(host, false);
+    furi_delay_us(5000);
+
+    // Write data
+    onewire_host_reset(host);
+    onewire_host_write(host, RW1990_1_CMD_WRITE_ROM);
+
+    for(size_t i = 0; i < data_size; ++i) {
+        // inverted key for RW1990.1
+        rw1990_write_byte(host, ~(data[i]));
+        furi_delay_us(30000);
+    }
+
+    // Lock sequence
+    onewire_host_write(host, RW1990_1_CMD_WRITE_RECORD_FLAG);
+
+    onewire_host_write_bit(host, true);
+    furi_delay_us(10000);
+
+    // TODO: Better error handling
+    return rw1990_read_and_compare(host, data, data_size);
+}
+
+bool rw1990_write_v2(OneWireHost* host, const uint8_t* data, size_t data_size) {
+    // Unlock sequence
+    onewire_host_reset(host);
+    onewire_host_write(host, RW1990_2_CMD_WRITE_RECORD_FLAG);
+    furi_delay_us(10);
+
+    onewire_host_write_bit(host, true);
+    furi_delay_us(5000);
+
+    // Write data
+    onewire_host_reset(host);
+    onewire_host_write(host, RW1990_2_CMD_WRITE_ROM);
+
+    for(size_t i = 0; i < data_size; ++i) {
+        rw1990_write_byte(host, data[i]);
+        furi_delay_us(30000);
+    }
+
+    // Lock sequence
+    onewire_host_write(host, RW1990_2_CMD_WRITE_RECORD_FLAG);
+
+    onewire_host_write_bit(host, false);
+    furi_delay_us(10000);
+
+    // TODO: Better error handling
+    return rw1990_read_and_compare(host, data, data_size);
+}

lib/one_wire/ibutton/protocols/blanks/rw1990.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <stddef.h>
+
+#include <one_wire/one_wire_host.h>
+
+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);

lib/one_wire/ibutton/protocols/blanks/tm2004.c

@@ -0,0 +1,42 @@
+#include "tm2004.h"
+
+#include <core/kernel.h>
+
+#define TM2004_CMD_READ_STATUS 0xAA
+#define TM2004_CMD_READ_MEMORY 0xF0
+#define TM2004_CMD_WRITE_ROM 0x3C
+#define TM2004_CMD_FINALIZATION 0x35
+#define TM2004_ANSWER_READ_MEMORY 0xF5
+
+bool tm2004_write(OneWireHost* host, const uint8_t* data, size_t data_size) {
+    onewire_host_reset(host);
+    onewire_host_write(host, TM2004_CMD_WRITE_ROM);
+    // Starting writing from address 0x0000
+    onewire_host_write(host, 0x00);
+    onewire_host_write(host, 0x00);
+
+    size_t i;
+    for(i = 0; i < data_size; ++i) {
+        uint8_t answer;
+
+        onewire_host_write(host, data[i]);
+        answer = onewire_host_read(host);
+        // TODO: check answer CRC
+
+        // pulse indicating that data is correct
+        furi_delay_us(600);
+        onewire_host_write_bit(host, true);
+        furi_delay_us(50000);
+
+        // read written key byte
+        answer = onewire_host_read(host); //-V519
+
+        // check that written and read are same
+        if(data[i] != answer) {
+            break;
+        }
+    }
+
+    // TODO: Better error handling
+    return i == data_size;
+}

lib/one_wire/ibutton/protocols/blanks/tm2004.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <stddef.h>
+
+#include <one_wire/one_wire_host.h>
+
+bool tm2004_write(OneWireHost* host, const uint8_t* data, size_t data_size);