1 files changed, 94 insertions, 0 deletions
diff --git a/components/external/espruino/src/jswrap_process.c b/components/external/espruino/src/jswrap_process.c
new file mode 100644
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+++ b/components/external/espruino/src/jswrap_process.c
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+/*
+ * This file is part of Espruino, a JavaScript interpreter for Microcontrollers
+ *
+ * Copyright (C) 2013 Gordon Williams <[email protected]>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * ----------------------------------------------------------------------------
+ * This file is designed to be parsed during the build process
+ *
+ * JavaScript 'process' object - for information about the Espruino board
+ * ----------------------------------------------------------------------------
+ */
+#include "jsvar.h"
+#include "jswrap_process.h"
+#include "jsinteractive.h"
+
+/*JSON{ "type":"class",
+        "class" : "process",
+        "description" : "This class contains information about Espruino itself"
+}*/
+
+/*JSON{ "type":"staticproperty",
+         "class" : "process", "name" : "version",
+         "description" : "Returns the version of Espruino as a String",
+         "generate_full" : "jsvNewFromString(JS_VERSION)",
+         "return" : ["JsVar", "The version of Espruino"]
+}*/
+
+/*JSON{ "type":"staticproperty",
+         "class" : "process", "name" : "env",
+         "description" : "Returns an Object containing various pre-defined variables. standard ones are BOARD, VERSION",
+         "generate" : "jswrap_process_env",
+         "return" : ["JsVar", "An object"]
+}*/
+JsVar *jswrap_process_env() {
+  JsVar *obj = jsvNewWithFlags(JSV_OBJECT);
+  jsvUnLock(jsvObjectSetChild(obj, "VERSION", jsvNewFromString(JS_VERSION)));
+  jsvUnLock(jsvObjectSetChild(obj, "BUILD_DATE", jsvNewFromString(__DATE__)));
+  jsvUnLock(jsvObjectSetChild(obj, "BUILD_TIME", jsvNewFromString(__TIME__)));
+  jsvUnLock(jsvObjectSetChild(obj, "BOARD", jsvNewFromString(PC_BOARD_ID)));
+  jsvUnLock(jsvObjectSetChild(obj, "CHIP", jsvNewFromString(PC_BOARD_CHIP)));
+  jsvUnLock(jsvObjectSetChild(obj, "CHIP_FAMILY", jsvNewFromString(PC_BOARD_CHIP_FAMILY)));
+  jsvUnLock(jsvObjectSetChild(obj, "FLASH", jsvNewFromInteger(FLASH_TOTAL)));
+  jsvUnLock(jsvObjectSetChild(obj, "RAM", jsvNewFromInteger(RAM_TOTAL)));
+
+  return obj;
+}
+
+
+/*JSON{ "type":"staticmethod",
+        "class" : "process", "name" : "memory",
+        "description" : ["Run a Garbage Collection pass, and return an object containing information on memory usage.",
+                         "free : Memory that is available to be used",
+                         "usage : Memory that has been used",
+                         "total : Total memory",
+                         "history : Memory used for command history - that is freed if memory is low. Note that this is INCLUDED in the figure for 'free'.",
+                         "On ARM, stackEndAddress is the address (that can be used with peek/poke/etc) of the END of the stack. The stack grows down, so unless you do a lot of recursion, the bytes above this can be used."],
+        "generate" : "jswrap_process_memory",
+        "return" : ["JsVar", "Information about memory usage"]
+}*/
+#ifdef ARM
+extern int _end; // end of ram used (variables)
+extern int _etext; // end of flash text (binary) section
+#endif
+JsVar *jswrap_process_memory() {
+  jsvGarbageCollect();
+  JsVar *obj = jsvNewWithFlags(JSV_OBJECT);
+  if (obj) {
+    unsigned int history = 0;
+    JsVar *historyVar = jsvObjectGetChild(jsiGetParser()->root, JSI_HISTORY_NAME, 0);
+    if (historyVar) {
+      history = (unsigned int)jsvCountJsVarsUsed(historyVar); // vars used to store history
+      jsvUnLock(historyVar);
+    }
+    unsigned int usage = jsvGetMemoryUsage() - history;
+    unsigned int total = jsvGetMemoryTotal();
+    jsvUnLock(jsvObjectSetChild(obj, "free", jsvNewFromInteger(total-usage)));
+    jsvUnLock(jsvObjectSetChild(obj, "usage", jsvNewFromInteger(usage)));
+    jsvUnLock(jsvObjectSetChild(obj, "total", jsvNewFromInteger(total)));
+    jsvUnLock(jsvObjectSetChild(obj, "history", jsvNewFromInteger(history)));
+
+#ifdef ARM
+    jsvUnLock(jsvObjectSetChild(obj, "stackEndAddress", jsvNewFromInteger((JsVarInt)(unsigned int)&_end)));
+    jsvUnLock(jsvObjectSetChild(obj, "flash_start", jsvNewFromInteger((JsVarInt)FLASH_START)));
+    jsvUnLock(jsvObjectSetChild(obj, "flash_binary_end", jsvNewFromInteger((JsVarInt)(unsigned int)&_etext)));
+    jsvUnLock(jsvObjectSetChild(obj, "flash_code_start", jsvNewFromInteger((JsVarInt)FLASH_SAVED_CODE_START)));
+    jsvUnLock(jsvObjectSetChild(obj, "flash_length", jsvNewFromInteger((JsVarInt)FLASH_TOTAL)));
+#endif
+  }
+  return obj;
+}