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Code Issues Wiki Activity

BMP are read on the stack to avoid a malloc. Lua memory displayed when

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pressing [Menu Long]
This commit is contained in:
bsongis 2014-05-30 16:14:54 +02:00
parent 687ddd8f4d
commit 950f651af9
4 changed files with 30 additions and 23 deletions
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42
radio/src/lua.cpp
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@ -277,12 +277,10 @@ static int luaLcdDrawPixmap(lua_State *L)
int x = luaL_checkinteger(L, 1);
int y = luaL_checkinteger(L, 2);
const char * filename = luaL_checkstring(L, 3);
// TODO int att = luaL_checkinteger(L, 4);
bmp_ptr_t bitmap = 0;
const pm_char * error = bmpLoad(bitmap, filename, LCD_W, LCD_H);
if (bitmap && !error) {
uint8_t bitmap[2+LCD_W/2*LCD_H/2]; // width max is LCD_W/2 pixels for saving stack and avoid a malloc here
const pm_char * error = bmpLoad(bitmap, filename, LCD_W/2, LCD_H);
if (!error) {
lcd_bmp(x, y, bitmap);
free(bitmap);
}
return 0;
}
@ -1242,6 +1240,7 @@ void luaExec(const char *filename)
void luaTask(uint8_t evt)
{
lcd_locked = false;
static uint8_t luaDisplayStatistics = false;
if (luaState & LUASTATE_STANDALONE_SCRIPT_RUNNING) {
// standalone script
@ -1271,18 +1270,20 @@ void luaTask(uint8_t evt)
else {
int scriptResult = lua_tointeger(L, -1);
lua_pop(L, 1); /* pop returned value */
if (scriptResult == 0) {
if (lua_gc(L, LUA_GCCOUNT, 0) > SCRIPTS_MAX_HEAP) {
TRACE("Script memory leak");
standaloneScript.state = SCRIPT_LEAK;
luaState = LUASTATE_RELOAD_MODEL_SCRIPTS;
}
}
else {
if (scriptResult != 0) {
TRACE("Script finished with status %d", scriptResult);
standaloneScript.state = SCRIPT_NOFILE;
luaState = LUASTATE_RELOAD_MODEL_SCRIPTS;
}
else if (luaDisplayStatistics) {
int gc = 1000*lua_gc(L, LUA_GCCOUNT, 0) + lua_gc(L, LUA_GCCOUNTB, 0);
lcd_hline(0, 7*FH-1, lcdLastPos+FW, ERASE);
lcd_puts(0, 7*FH, "GV Use: ");
lcd_outdezAtt(lcdLastPos, 7*FH, gc, LEFT);
lcd_putc(lcdLastPos, 7*FH, 'b');
lcd_hline(0, 7*FH-2, lcdLastPos+FW, FORCE);
lcd_vlineStip(lcdLastPos+FW, 7*FH-2, FH+2, SOLID, FORCE);
}
}
}
else {
@ -1301,6 +1302,10 @@ void luaTask(uint8_t evt)
standaloneScript.state = SCRIPT_NOFILE;
luaState = LUASTATE_RELOAD_MODEL_SCRIPTS;
}
else if (evt == EVT_KEY_LONG(KEY_MENU)) {
killEvents(evt);
luaDisplayStatistics = !luaDisplayStatistics;
}
}
}
else {
@ -1376,7 +1381,14 @@ void luaTask(uint8_t evt)
}
}
// TRACE("Before GC COLLECT gc=%d", lua_gc(L, LUA_GCCOUNT, 0));
lua_gc(L, LUA_GCCOLLECT, 0);
// TRACE("After GC COLLECT gc=%d", lua_gc(L, LUA_GCCOUNT, 0));
#if defined(SIMU) || defined(DEBUG)
static int lastgc = 0;
int gc = 1000*lua_gc(L, LUA_GCCOUNT, 0) + lua_gc(L, LUA_GCCOUNTB, 0);
if (gc != lastgc) {
lastgc = gc;
TRACE("GC Use: %dbytes", gc);
}
#endif
}