Add music

libs/core/control.cpp

@@ -0,0 +1,25 @@
+#include "pxt.h"
+
+namespace control {
+
+/**
+ * Announce that an event happened to registered handlers.
+ * @param src ID of the Component that generated the event
+ * @param value Component specific code indicating the cause of the event.
+ * @param mode optional definition of how the event should be processed after construction.
+ */
+//% weight=21 blockGap=12 blockId="control_raise_event"
+//% block="raise event|from %src|with value value" blockExternalInputs=1
+void raiseEvent(int src, int value) {
+    pxt::raiseEvent(src, value);
+}
+
+/**
+* Allocates the next user notification event
+*/
+//% help=control/allocate-notify-event
+int allocateNotifyEvent() {
+    return pxt::allocateNotifyEvent();
+}
+
+}

libs/core/dal.d.ts

@@ -647,6 +647,9 @@ declare const enum DAL {
     // built/dockermake/node_modules/ev3api-bin/include/uart.h
     // built/dockermake/pxtapp/pxt.h
     ID_BUTTON_BASE = 100,
+    DEVICE_EVT_ANY = 0,
+    DEVICE_ID_NOTIFY = 10000,
+    DEVICE_ID_NOTIFY_ONE = 10001,
     // built/dockermake/pxtapp/pxtbase.h
     PXT_REF_TAG_STRING = 1,
     PXT_REF_TAG_BUFFER = 2,

libs/core/linux.cpp

@@ -9,8 +9,6 @@
 #include <assert.h>
 #include <unistd.h>
 
-#define DEVICE_EVT_ANY 0
-
 void *operator new(size_t size) {
     return malloc(size);
 }
@@ -237,6 +235,14 @@ static void *evtDispatcher(void *dummy) {
     }
 }
 
+int allocateNotifyEvent() {
+    static volatile int notifyId;
+    pthread_mutex_lock(&eventMutex);
+    int res = ++notifyId;
+    pthread_mutex_unlock(&eventMutex);
+    return res;
+}
+
 void raiseEvent(int id, int event) {
     auto e = mkEvent(id, event);
     pthread_mutex_lock(&eventMutex);
@@ -293,5 +299,4 @@ void dmesg(const char *format, ...) {
     fflush(dmesgFile);
     fdatasync(fileno(dmesgFile));
 }
-
 }

libs/core/pxt.h

@@ -7,6 +7,7 @@
 
 namespace pxt {
 void raiseEvent(int id, int event);
+int allocateNotifyEvent();
 void sleep_core_us(uint64_t us);
 
 class Button;
@@ -15,4 +16,8 @@ typedef Button *Button_;
 extern "C" void target_init();
 }
 
+#define DEVICE_EVT_ANY 0
+#define DEVICE_ID_NOTIFY 10000
+#define DEVICE_ID_NOTIFY_ONE 10001
+
 #endif

libs/core/pxt.json

@@ -7,6 +7,7 @@
         "pxt.h",
         "pxtcore.h",
         "linux.cpp",
+        "control.cpp",
         "buttons.cpp",
         "screen.cpp",
         "screen.ts",

libs/core/shims.d.ts

@@ -1,4 +1,22 @@
 // Auto-generated. Do not edit.
+declare namespace control {
+
+    /**
+     * Announce that an event happened to registered handlers.
+     * @param src ID of the Component that generated the event
+     * @param value Component specific code indicating the cause of the event.
+     * @param mode optional definition of how the event should be processed after construction.
+     */
+    //% weight=21 blockGap=12 blockId="control_raise_event"
+    //% block="raise event|from %src|with value value" blockExternalInputs=1 shim=control::raiseEvent
+    function raiseEvent(src: int32, value: int32): void;
+
+    /**
+     * Allocates the next user notification event
+     */
+    //% help=control/allocate-notify-event shim=control::allocateNotifyEvent
+    function allocateNotifyEvent(): int32;
+}
 declare namespace input {
 
     /**