Merge branch 'master' into motorsync

libs/core/linux.cpp

@@ -13,14 +13,35 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <malloc.h>
 
 #define THREAD_DBG(...)
 
+#define MALLOC_LIMIT (8 * 1024 * 1024)
+#define MALLOC_CHECK_PERIOD (1024 * 1024)
+
+void *xmalloc(size_t sz) {
+    static size_t allocBytes = 0;
+    allocBytes += sz;
+    if (allocBytes >= MALLOC_CHECK_PERIOD) {
+        allocBytes = 0;
+        auto info = mallinfo();
+        DMESG("malloc used: %d kb", info.uordblks / 1024);
+        if (info.uordblks > MALLOC_LIMIT) {
+            target_panic(904);
+        }
+    }
+    auto r = malloc(sz);
+    if (r == NULL)
+        target_panic(905); // shouldn't happen
+    return r;
+}
+
 void *operator new(size_t size) {
-    return malloc(size);
+    return xmalloc(size);
 }
 void *operator new[](size_t size) {
-    return malloc(size);
+    return xmalloc(size);
 }
 
 void operator delete(void *p) {

libs/core/png.cpp

@@ -88,7 +88,7 @@ Image unpackPNG(Buffer png) {
     uint32_t byteW = (hd.width + 7) >> 3;
     uint32_t expSize = (byteW + 1) * hd.height;
     unsigned long sz = expSize;
-    uint8_t *tmp = (uint8_t *)malloc(sz);
+    uint8_t *tmp = (uint8_t *)xmalloc(sz);
     int code = uncompress(tmp, &sz, png->data + sizeof(hd), hd.lenIDAT);
     if (code != 0) {
         DMESG("PNG: zlib failed: %d", code);

libs/core/pxt.h

@@ -3,6 +3,8 @@
 
 #include "pxtbase.h"
 
+void *xmalloc(size_t sz);
+
 namespace pxt {
 void raiseEvent(int id, int event);
 int allocateNotifyEvent();

libs/core/test.ts

@@ -1,51 +1,36 @@
 screen.clear()
-screen.print("PXT!", 10, 30, Draw.Quad)
+brick.print("PXT!", 10, 30, Draw.Quad)
 
-screen.drawRect(40, 40, 20, 10, Draw.Fill)
-motors.setStatusLight(LightsPattern.Orange)
+brick.drawRect(40, 40, 20, 10, Draw.Fill)
+brick.setStatusLight(LightsPattern.Orange)
 
-screen.heart.doubled().draw(100, 50, Draw.Double | Draw.Transparent)
+brick.heart.doubled().draw(100, 50, Draw.Double | Draw.Transparent)
 
-sensors.buttonEnter.onEvent(ButtonEvent.Click, () => {
+brick.buttonEnter.onEvent(ButtonEvent.Click, () => {
     screen.clear()
 })
 
-sensors.buttonLeft.onEvent(ButtonEvent.Click, () => {
-    screen.drawRect(10, 70, 20, 10, Draw.Fill)
-    motors.setStatusLight(LightsPattern.Red)
-    screen.setFont(screen.microbitFont())
+brick.buttonLeft.onEvent(ButtonEvent.Click, () => {
+    brick.drawRect(10, 70, 20, 10, Draw.Fill)
+    brick.setStatusLight(LightsPattern.Red)
+    brick.setFont(brick.microbitFont())
 })
 
-sensors.buttonRight.onEvent(ButtonEvent.Click, () => {
-    screen.print("Right!", 10, 60)
+brick.buttonRight.onEvent(ButtonEvent.Click, () => {
+    brick.print("Right!", 10, 60)
 })
 
-sensors.buttonDown.onEvent(ButtonEvent.Click, () => {
-    screen.print("Down! ", 10, 60)
+brick.buttonDown.onEvent(ButtonEvent.Click, () => {
+    brick.print("Down! ", 10, 60)
 })
 
-sensors.buttonUp.onEvent(ButtonEvent.Click, () => {
-    screen.print("Up!  ", 10, 60)
+brick.buttonUp.onEvent(ButtonEvent.Click, () => {
+    brick.print("Up!  ", 10, 60)
 })
 
 
 let num = 0
 
-sensors.touchSensor1.onEvent(TouchSensorEvent.Bumped, () => {
-    screen.print("Click!  " + num, 10, 60)
-    num++
-})
-
-sensors.remoteButtonTopLeft.onEvent(ButtonEvent.Click, () => {
-    screen.print("TOPLEFT " + num, 10, 60)
-    num++
-})
-
-sensors.remoteButtonTopRight.onEvent(ButtonEvent.Down, () => {
-    screen.print("TOPRIGH " + num, 10, 60)
-    num++
-})
-
 loops.forever(() => {
     serial.writeDmesg()
     loops.pause(100)