[FL-2230] SubGhz: protocol API refactoring (#969)

* SubGhz: protocols library refactoring
* SubGhz: new architecture and refactoring
* SubGhz: simplify protocol structure, remove unused types
* SubGhz: rename Subghz to SubGhz
* SubGhz: add environment concept

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>

lib/subghz/transmitter.c

@@ -0,0 +1,51 @@
+#include "transmitter.h"
+
+#include "protocols/base.h"
+#include "protocols/registry.h"
+
+SubGhzTransmitter*
+    subghz_transmitter_alloc_init(SubGhzEnvironment* environment, const char* protocol_name) {
+    SubGhzTransmitter* instance = NULL;
+    const SubGhzProtocol* protocol = subghz_protocol_registry_get_by_name(protocol_name);
+
+    if(protocol && protocol->encoder && protocol->encoder->alloc) {
+        instance = malloc(sizeof(SubGhzTransmitter));
+        instance->protocol = protocol;
+        instance->protocol_instance = instance->protocol->encoder->alloc(environment);
+    }
+
+    return instance;
+}
+
+void subghz_transmitter_free(SubGhzTransmitter* instance) {
+    furi_assert(instance);
+    instance->protocol->encoder->free(instance->protocol_instance);
+    free(instance);
+}
+
+bool subghz_transmitter_stop(SubGhzTransmitter* instance) {
+    furi_assert(instance);
+    bool ret = false;
+    if(instance->protocol && instance->protocol->encoder && instance->protocol->encoder->stop) {
+        instance->protocol->encoder->stop(instance->protocol_instance);
+        ret = true;
+    }
+    return ret;
+}
+
+bool subghz_transmitter_deserialize(SubGhzTransmitter* instance, FlipperFormat* flipper_format) {
+    furi_assert(instance);
+    bool ret = false;
+    if(instance->protocol && instance->protocol->encoder &&
+       instance->protocol->encoder->deserialize) {
+        ret =
+            instance->protocol->encoder->deserialize(instance->protocol_instance, flipper_format);
+    }
+    return ret;
+}
+
+LevelDuration subghz_transmitter_yield(void* context) {
+    SubGhzTransmitter* instance = context;
+
+    return instance->protocol->encoder->yield(instance->protocol_instance);
+}