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Optimized node.bootreason() for size. 

Reduces the size from 179 to 102 bytes.
This commit is contained in:
Johny Mattsson 2016-01-15 11:42:20 +11:00
parent 74e5ebdf6d
commit 30f8f62420
1 changed files with 11 additions and 16 deletions
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27
app/modules/node.c
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@ -469,24 +469,19 @@ static int node_setcpufreq(lua_State* L)
return 1; return 1;
} }
// Lua: code = bootreason() // Lua: code, reason [, exccause, epc1, epc2, epc3, excvaddr, depc ] = bootreason()
static int node_bootreason (lua_State *L) static int node_bootreason (lua_State *L)
{ {
struct rst_info *ri = system_get_rst_info (); const struct rst_info *ri = system_get_rst_info ();
lua_pushnumber (L, rtc_get_reset_reason ()); uint32_t arr[8] = {
lua_pushnumber (L, ri->reason); rtc_get_reset_reason(),
if (ri->reason == REASON_EXCEPTION_RST) ri->reason,
{ ri->exccause, ri->epc1, ri->epc2, ri->epc3, ri->excvaddr, ri->depc
lua_pushnumber (L, ri->exccause); };
lua_pushnumber (L, ri->epc1); int i, n = ((ri->reason != REASON_EXCEPTION_RST) ? 2 : 8);
lua_pushnumber (L, ri->epc2); for (i = 0; i < n; ++i)
lua_pushnumber (L, ri->epc3); lua_pushinteger (L, arr[i]);
lua_pushnumber (L, ri->excvaddr); return n;
lua_pushnumber (L, ri->depc);
return 8;
}
else
return 2;
} }
// Lua: restore() // Lua: restore()