refactoring step 3 - components

squeezelite is a component
platform_esp32 is the main

components/squeezelite/embedded.c

@@ -0,0 +1,44 @@
+/* 
+ *  Squeezelite for esp32
+ *
+ *  (c) Sebastien 2019
+ *      Philippe G. 2019, philippe_44@outlook.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "squeezelite.h"
+#include "esp_pthread.h"
+#include "esp_system.h"
+
+void get_mac(u8_t mac[]) {
+    esp_read_mac(mac, ESP_MAC_WIFI_STA);
+}
+
+_sig_func_ptr signal(int sig, _sig_func_ptr func) {
+	return NULL;
+}
+
+void *audio_calloc(size_t nmemb, size_t size) {
+		return calloc(nmemb, size);
+}
+
+int pthread_setname_np(pthread_t thread, const char *name) { 
+	esp_pthread_cfg_t cfg = esp_pthread_get_default_config(); 
+	cfg.thread_name= name; 
+	cfg.inherit_cfg = true; 
+	return esp_pthread_set_cfg(&cfg); 
+}
+
+