[FL-2393][FL-2381] iButton, OneWire: move to plain C (#1068)

* iButton: getting started on the worker concept
* Hal delay: added global instructions_per_us variable
* iButton: one wire slave
* iButton: ibutton key setter
* iButton: one wire host, use ibutton_hal
* iButton\RFID: common pulse decoder concept
* iButton: cyfral decoder
* iButton: worker thread concept
* iButton: metakom decoder
* iButton: write key through worker
* iButton: worker mode holder
* iButton: worker improvements
* iButton: Cyfral encoder
* iButton: Metakom encoder
* lib: pulse protocol helpers
* iButton: Metakom decoder
* iButton: Cyfral decoder
* iButton worker: separate modes
* iButton: libs documentation
* HAL: iButton gpio modes
* iButton worker: rename modes file
* iButton worker, hal: move to LL
* iButton CLI: worker for reading and emulation commands
* iButton HAL: correct init and emulation sequence
* iButton cli: moved to plain C
* iButton: move to worker, small step to plain C
* Libs, one wire: move to plain C
* Libs: added forgotten files to compilation
* iButton writer: get rid of manual disable/enable irq

lib/one_wire/ibutton/ibutton_writer.h

@@ -0,0 +1,60 @@
+/**
+ * @file ibutton_writer.h
+ * 
+ * iButton blanks writer
+ */
+
+#pragma once
+#include <furi_hal_gpio.h>
+#include "ibutton_key.h"
+#include "../one_wire_host.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+    iButtonWriterOK,
+    iButtonWriterSameKey,
+    iButtonWriterNoDetect,
+    iButtonWriterCannotWrite,
+} iButtonWriterResult;
+
+typedef struct iButtonWriter iButtonWriter;
+
+/**
+ * Allocate writer
+ * @param host 
+ * @return iButtonWriter* 
+ */
+iButtonWriter* ibutton_writer_alloc(OneWireHost* host);
+
+/**
+ * Deallocate writer
+ * @param writer 
+ */
+void ibutton_writer_free(iButtonWriter* writer);
+
+/**
+ * Write key to blank
+ * @param writer 
+ * @param key 
+ * @return iButtonWriterResult 
+ */
+iButtonWriterResult ibutton_writer_write(iButtonWriter* writer, iButtonKey* key);
+
+/**
+ * Start writing. Must be called before write attempt
+ * @param writer 
+ */
+void ibutton_writer_start(iButtonWriter* writer);
+
+/**
+ * Stop writing
+ * @param writer 
+ */
+void ibutton_writer_stop(iButtonWriter* writer);
+
+#ifdef __cplusplus
+}
+#endif