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hwstub: add delay function

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Change-Id: Iab208ed59a9a2540a64b190357411d3de28f288e
This commit is contained in:
Amaury Pouly 2013-12-24 15:24:40 +01:00
parent 1dc91b4560
commit 5b865de73a
2 changed files with 21 additions and 0 deletions
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14
utils/hwstub/tools/hwstub_shell.cpp
View file

@ -27,6 +27,7 @@
#include <readline/readline.h> #include <readline/readline.h>
#include <readline/history.h> #include <readline/history.h>
#include <lua.hpp> #include <lua.hpp>
#include <unistd.h>
#include "soc_desc.hpp" #include "soc_desc.hpp"
#if LUA_VERSION_NUM < 502 #if LUA_VERSION_NUM < 502
@ -244,6 +245,16 @@ int my_lua_quit(lua_State *state)
return 0; return 0;
} }
int my_lua_udelay(lua_State *state)
{
int n = lua_gettop(state);
if(n != 1)
luaL_error(state, "udelay takes one argument");
long usec = lua_tointeger(state, -1);
usleep(usec);
return 0;
}
bool my_lua_import_hwstub() bool my_lua_import_hwstub()
{ {
int oldtop = lua_gettop(g_lua); int oldtop = lua_gettop(g_lua);
@ -377,6 +388,9 @@ bool my_lua_import_hwstub()
lua_settable(g_lua, -3); lua_settable(g_lua, -3);
lua_setfield(g_lua, -2, "help"); lua_setfield(g_lua, -2, "help");
lua_pushcclosure(g_lua, my_lua_udelay, 0);
lua_setfield(g_lua, -2, "udelay");
lua_setglobal(g_lua, "hwstub"); lua_setglobal(g_lua, "hwstub");
lua_pushcfunction(g_lua, my_lua_help); lua_pushcfunction(g_lua, my_lua_help);

7
utils/hwstub/tools/init.lua
View file

@ -108,4 +108,11 @@ end
-- --
DEV = hwstub.dev DEV = hwstub.dev
--
-- Misc
--
function hwstub.mdelay(msec)
hwstub.udelay(msec * 1000)
end
require "lua/load" require "lua/load"