include idf-dfplaymini component and add basic audio functionality

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "components/esp32-lora"]
 	path = components/esp32-lora
 	url = https://gitlab.com/morganrallen/esp32-lora.git
+[submodule "components/idf-dfplayermini"]
+	path = components/idf-dfplayermini
+	url = git@git.oit.cloud:morgan/idf-dfplayermini.git

CMakeLists.txt

@@ -3,4 +3,5 @@
 cmake_minimum_required(VERSION 3.5)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
 project(barback)

components/idf-dfplayermini

@@ -0,0 +1 @@
+Subproject commit 7ec406c5af692b9c99ae9ed0c7fb5ba648a0a71e

main/CMakeLists.txt

@@ -6,5 +6,6 @@ set(COMPONENT_SRCS "\
   user_button.c\
 ")
 set(COMPONENT_ADD_INCLUDEDIRS ". ../include")
+set(REQUIRES idf-dfplayermini)
 
 register_component()

main/main.c

@@ -14,6 +14,7 @@
 #include "ble.h"
 #include "user_button.h"
 #include "pumps.h"
+#include "dfplayermini.h"
 
 static const char *TAG = "BARBACK";
 
@@ -42,6 +43,10 @@ void app_main(void) {
   char *name = malloc(strlen(TAG) + 4);
   sprintf(name, "%s-%02X", TAG, mac[5]);
 
+  vTaskDelay(1000 / portTICK_PERIOD_MS);
+
+  dfplayermini_init();
+
   user_button_init();
   pumps_init();
   ble_init(name);