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Added node.setcpufreq(mhz) function. 

This function allows setting the CPU frequency to node.CPU80MHZ or
node.CPU160MHZ.
This commit is contained in:
Markus Gritsch 2015-03-17 10:23:45 +01:00
parent abfdb58d40
commit b648e9a8db
1 changed files with 25 additions and 1 deletions
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26
app/modules/node.c
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@ -25,6 +25,9 @@
#include "flash_fs.h"
#include "user_version.h"
#define CPU80MHZ 80
#define CPU160MHZ 160
// Lua: restart()
static int node_restart( lua_State* L )
{
@ -391,6 +394,24 @@ static int node_compile( lua_State* L )
return 0;
}
// Lua: setcpufreq(mhz)
// mhz is either CPU80MHZ od CPU160MHZ
static int node_setcpufreq(lua_State* L)
{
// http://www.esp8266.com/viewtopic.php?f=21&t=1369
uint32_t new_freq = luaL_checkinteger(L, 1);
if (new_freq == CPU160MHZ){
REG_SET_BIT(0x3ff00014, BIT(0));
os_update_cpu_frequency(CPU160MHZ);
} else {
REG_CLR_BIT(0x3ff00014, BIT(0));
os_update_cpu_frequency(CPU80MHZ);
}
new_freq = ets_get_cpu_frequency();
lua_pushinteger(L, new_freq);
return 1;
}
// Module function map
#define MIN_OPT_LEVEL 2
#include "lrodefs.h"
@ -411,6 +432,9 @@ const LUA_REG_TYPE node_map[] =
{ LSTRKEY( "output" ), LFUNCVAL( node_output ) },
{ LSTRKEY( "readvdd33" ), LFUNCVAL( node_readvdd33) },
{ LSTRKEY( "compile" ), LFUNCVAL( node_compile) },
{ LSTRKEY( "CPU80MHZ" ), LNUMVAL( CPU80MHZ ) },
{ LSTRKEY( "CPU160MHZ" ), LNUMVAL( CPU160MHZ ) },
{ LSTRKEY( "setcpufreq" ), LFUNCVAL( node_setcpufreq) },
// Combined to dsleep(us, option)
// { LSTRKEY( "dsleepsetoption" ), LFUNCVAL( node_deepsleep_setoption) },
#if LUA_OPTIMIZE_MEMORY > 0
@ -428,5 +452,5 @@ LUALIB_API int luaopen_node( lua_State *L )
// Add constants
return 1;
#endif // #if LUA_OPTIMIZE_MEMORY > 0
#endif // #if LUA_OPTIMIZE_MEMORY > 0
}