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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;
}
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