nodemcu-firmware/app/modules/node.c

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// Module for interfacing with system
#include "module.h"
#include "lauxlib.h"
#include "ldebug.h"
#include "ldo.h"
#include "lfunc.h"
#include "lmem.h"
#include "lobject.h"
#include "lstate.h"
#include "lopcodes.h"
#include "lstring.h"
#include "lundump.h"
#include "platform.h"
#include "lrodefs.h"
#include "c_types.h"
#include "romfs.h"
#include "c_string.h"
#include "driver/uart.h"
#include "user_interface.h"
#include "flash_api.h"
#include "flash_fs.h"
#include "user_version.h"
#include "rom.h"
#define CPU80MHZ 80
#define CPU160MHZ 160
// Lua: restart()
static int node_restart( lua_State* L )
{
system_restart();
return 0;
}
// Lua: dsleep( us, option )
static int node_deepsleep( lua_State* L )
{
uint32 us;
uint8 option;
//us = luaL_checkinteger( L, 1 );
// Set deleep option, skip if nil
if ( lua_isnumber(L, 2) )
{
option = lua_tointeger(L, 2);
if ( option < 0 || option > 4)
return luaL_error( L, "wrong arg range" );
else
system_deep_sleep_set_option( option );
}
// Set deleep time, skip if nil
if ( lua_isnumber(L, 1) )
{
us = luaL_checknumber(L, 1);
// if ( us <= 0 )
if ( us < 0 )
return luaL_error( L, "wrong arg range" );
else
system_deep_sleep( us );
}
return 0;
}
// Lua: dsleep_set_options
// Combined to dsleep( us, option )
// static int node_deepsleep_setoption( lua_State* L )
// {
// s32 option;
// option = luaL_checkinteger( L, 1 );
// if ( option < 0 || option > 4)
// return luaL_error( L, "wrong arg range" );
// else
// deep_sleep_set_option( option );
// return 0;
// }
// Lua: info()
static int node_info( lua_State* L )
{
lua_pushinteger(L, NODE_VERSION_MAJOR);
lua_pushinteger(L, NODE_VERSION_MINOR);
lua_pushinteger(L, NODE_VERSION_REVISION);
lua_pushinteger(L, system_get_chip_id()); // chip id
lua_pushinteger(L, spi_flash_get_id()); // flash id
#if defined(FLASH_SAFE_API)
lua_pushinteger(L, flash_safe_get_size_byte() / 1024); // flash size in KB
#else
lua_pushinteger(L, flash_rom_get_size_byte() / 1024); // flash size in KB
#endif // defined(FLASH_SAFE_API)
lua_pushinteger(L, flash_rom_get_mode());
lua_pushinteger(L, flash_rom_get_speed());
return 8;
}
// Lua: chipid()
static int node_chipid( lua_State* L )
{
uint32_t id = system_get_chip_id();
lua_pushinteger(L, id);
return 1;
}
// deprecated, moved to adc module
// Lua: readvdd33()
// static int node_readvdd33( lua_State* L )
// {
// uint32_t vdd33 = readvdd33();
// lua_pushinteger(L, vdd33);
// return 1;
// }
// Lua: flashid()
static int node_flashid( lua_State* L )
{
uint32_t id = spi_flash_get_id();
lua_pushinteger( L, id );
return 1;
}
// Lua: flashsize()
static int node_flashsize( lua_State* L )
{
if (lua_type(L, 1) == LUA_TNUMBER)
{
flash_rom_set_size_byte(luaL_checkinteger(L, 1));
}
#if defined(FLASH_SAFE_API)
uint32_t sz = flash_safe_get_size_byte();
#else
uint32_t sz = flash_rom_get_size_byte();
#endif // defined(FLASH_SAFE_API)
lua_pushinteger( L, sz );
return 1;
}
// Lua: heap()
static int node_heap( lua_State* L )
{
uint32_t sz = system_get_free_heap_size();
lua_pushinteger(L, sz);
return 1;
}
#ifdef DEVKIT_VERSION_0_9
static int led_high_count = LED_HIGH_COUNT_DEFAULT;
static int led_low_count = LED_LOW_COUNT_DEFAULT;
static int led_count = 0;
static int key_press_count = 0;
static bool key_short_pressed = false;
static bool key_long_pressed = false;
static os_timer_t keyled_timer;
static int long_key_ref = LUA_NOREF;
static int short_key_ref = LUA_NOREF;
static void default_long_press(void *arg) {
if (led_high_count == 12 && led_low_count == 12) {
led_low_count = led_high_count = 6;
} else {
led_low_count = led_high_count = 12;
}
// led_high_count = 1000 / READLINE_INTERVAL;
// led_low_count = 1000 / READLINE_INTERVAL;
// NODE_DBG("default_long_press is called. hc: %d, lc: %d\n", led_high_count, led_low_count);
}
static void default_short_press(void *arg) {
system_restart();
}
static void key_long_press(void *arg) {
lua_State *L = lua_getstate();
NODE_DBG("key_long_press is called.\n");
if (long_key_ref == LUA_NOREF) {
default_long_press(arg);
return;
}
lua_rawgeti(L, LUA_REGISTRYINDEX, long_key_ref);
lua_call(L, 0, 0);
}
static void key_short_press(void *arg) {
lua_State *L = lua_getstate();
NODE_DBG("key_short_press is called.\n");
if (short_key_ref == LUA_NOREF) {
default_short_press(arg);
return;
}
lua_rawgeti(L, LUA_REGISTRYINDEX, short_key_ref);
lua_call(L, 0, 0);
}
static void update_key_led (void *p)
{
(void)p;
uint8_t temp = 1, level = 1;
led_count++;
if(led_count>led_low_count+led_high_count){
led_count = 0; // reset led_count, the level still high
} else if(led_count>led_low_count && led_count <=led_high_count+led_low_count){
level = 1; // output high level
} else if(led_count<=led_low_count){
level = 0; // output low level
}
temp = platform_key_led(level);
if(temp == 0){ // key is pressed
key_press_count++;
if(key_press_count>=KEY_LONG_COUNT){
// key_long_press(NULL);
key_long_pressed = true;
key_short_pressed = false;
// key_press_count = 0;
} else if(key_press_count>=KEY_SHORT_COUNT){ // < KEY_LONG_COUNT
// key_short_press(NULL);
key_short_pressed = true;
}
}else{ // key is released
key_press_count = 0;
if(key_long_pressed){
key_long_press(NULL);
key_long_pressed = false;
}
if(key_short_pressed){
key_short_press(NULL);
key_short_pressed = false;
}
}
}
static void prime_keyled_timer (void)
{
os_timer_disarm (&keyled_timer);
os_timer_setfn (&keyled_timer, update_key_led, 0);
os_timer_arm (&keyled_timer, KEYLED_INTERVAL, 1);
}
// Lua: led(low, high)
static int node_led( lua_State* L )
{
int low, high;
if ( lua_isnumber(L, 1) )
{
low = lua_tointeger(L, 1);
if ( low < 0 ) {
return luaL_error( L, "wrong arg type" );
}
} else {
low = LED_LOW_COUNT_DEFAULT; // default to LED_LOW_COUNT_DEFAULT
}
if ( lua_isnumber(L, 2) )
{
high = lua_tointeger(L, 2);
if ( high < 0 ) {
return luaL_error( L, "wrong arg type" );
}
} else {
high = LED_HIGH_COUNT_DEFAULT; // default to LED_HIGH_COUNT_DEFAULT
}
led_high_count = (uint32_t)high / READLINE_INTERVAL;
led_low_count = (uint32_t)low / READLINE_INTERVAL;
prime_keyled_timer();
return 0;
}
// Lua: key(type, function)
static int node_key( lua_State* L )
{
int *ref = NULL;
size_t sl;
const char *str = luaL_checklstring( L, 1, &sl );
if (str == NULL)
return luaL_error( L, "wrong arg type" );
if (sl == 5 && c_strcmp(str, "short") == 0) {
ref = &short_key_ref;
} else if (sl == 4 && c_strcmp(str, "long") == 0) {
ref = &long_key_ref;
} else {
ref = &short_key_ref;
}
// luaL_checkanyfunction(L, 2);
if (lua_type(L, 2) == LUA_TFUNCTION || lua_type(L, 2) == LUA_TLIGHTFUNCTION) {
lua_pushvalue(L, 2); // copy argument (func) to the top of stack
if (*ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, *ref);
*ref = luaL_ref(L, LUA_REGISTRYINDEX);
} else { // unref the key press function
if (*ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, *ref);
*ref = LUA_NOREF;
}
prime_keyled_timer();
return 0;
}
#endif
extern lua_Load gLoad;
extern bool user_process_input(bool force);
// Lua: input("string")
static int node_input( lua_State* L )
{
size_t l = 0;
const char *s = luaL_checklstring(L, 1, &l);
if (s != NULL && l > 0 && l < LUA_MAXINPUT - 1)
{
lua_Load *load = &gLoad;
if (load->line_position == 0) {
c_memcpy(load->line, s, l);
load->line[l + 1] = '\0';
load->line_position = c_strlen(load->line) + 1;
load->done = 1;
NODE_DBG("Get command:\n");
NODE_DBG(load->line); // buggy here
NODE_DBG("\nResult(if any):\n");
user_process_input(true);
}
}
return 0;
}
static int output_redir_ref = LUA_NOREF;
static int serial_debug = 1;
void output_redirect(const char *str) {
lua_State *L = lua_getstate();
// if(c_strlen(str)>=TX_BUFF_SIZE){
// NODE_ERR("output too long.\n");
// return;
// }
if (output_redir_ref == LUA_NOREF || !L) {
uart0_sendStr(str);
return;
}
if (serial_debug != 0) {
uart0_sendStr(str);
}
lua_rawgeti(L, LUA_REGISTRYINDEX, output_redir_ref);
lua_pushstring(L, str);
lua_call(L, 1, 0); // this call back function should never user output.
}
// Lua: output(function(c), debug)
static int node_output( lua_State* L )
{
// luaL_checkanyfunction(L, 1);
if (lua_type(L, 1) == LUA_TFUNCTION || lua_type(L, 1) == LUA_TLIGHTFUNCTION) {
lua_pushvalue(L, 1); // copy argument (func) to the top of stack
if (output_redir_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, output_redir_ref);
output_redir_ref = luaL_ref(L, LUA_REGISTRYINDEX);
} else { // unref the key press function
if (output_redir_ref != LUA_NOREF)
luaL_unref(L, LUA_REGISTRYINDEX, output_redir_ref);
output_redir_ref = LUA_NOREF;
serial_debug = 1;
return 0;
}
if ( lua_isnumber(L, 2) )
{
serial_debug = lua_tointeger(L, 2);
if (serial_debug != 0)
serial_debug = 1;
} else {
serial_debug = 1; // default to 1
}
return 0;
}
static int writer(lua_State* L, const void* p, size_t size, void* u)
{
UNUSED(L);
int file_fd = *( (int *)u );
if ((FS_OPEN_OK - 1) == file_fd)
return 1;
NODE_DBG("get fd:%d,size:%d\n", file_fd, size);
if (size != 0 && (size != fs_write(file_fd, (const char *)p, size)) )
return 1;
NODE_DBG("write fd:%d,size:%d\n", file_fd, size);
return 0;
}
#define toproto(L,i) (clvalue(L->top+(i))->l.p)
// Lua: compile(filename) -- compile lua file into lua bytecode, and save to .lc
static int node_compile( lua_State* L )
{
Proto* f;
int file_fd = FS_OPEN_OK - 1;
size_t len;
const char *fname = luaL_checklstring( L, 1, &len );
if ( len > FS_NAME_MAX_LENGTH )
return luaL_error(L, "filename too long");
char output[FS_NAME_MAX_LENGTH];
c_strcpy(output, fname);
// check here that filename end with ".lua".
if (len < 4 || (c_strcmp( output + len - 4, ".lua") != 0) )
return luaL_error(L, "not a .lua file");
output[c_strlen(output) - 2] = 'c';
output[c_strlen(output) - 1] = '\0';
NODE_DBG(output);
NODE_DBG("\n");
if (luaL_loadfsfile(L, fname) != 0) {
return luaL_error(L, lua_tostring(L, -1));
}
f = toproto(L, -1);
int stripping = 1; /* strip debug information? */
file_fd = fs_open(output, fs_mode2flag("w+"));
if (file_fd < FS_OPEN_OK)
{
return luaL_error(L, "cannot open/write to file");
}
lua_lock(L);
int result = luaU_dump(L, f, writer, &file_fd, stripping);
lua_unlock(L);
if (fs_flush(file_fd) < 0) { // result codes aren't propagated by flash_fs.h
// overwrite Lua error, like writer() does in case of a file io error
result = 1;
}
fs_close(file_fd);
file_fd = FS_OPEN_OK - 1;
if (result == LUA_ERR_CC_INTOVERFLOW) {
return luaL_error(L, "value too big or small for target integer type");
}
if (result == LUA_ERR_CC_NOTINTEGER) {
return luaL_error(L, "target lua_Number is integral but fractional value found");
}
if (result == 1) { // result status generated by writer() or fs_flush() fail
return luaL_error(L, "writing to file failed");
}
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));
ets_update_cpu_frequency(CPU160MHZ);
} else {
REG_CLR_BIT(0x3ff00014, BIT(0));
ets_update_cpu_frequency(CPU80MHZ);
}
new_freq = ets_get_cpu_frequency();
lua_pushinteger(L, new_freq);
return 1;
}
// Lua: code, reason [, exccause, epc1, epc2, epc3, excvaddr, depc ] = bootreason()
static int node_bootreason (lua_State *L)
{
const struct rst_info *ri = system_get_rst_info ();
uint32_t arr[8] = {
rtc_get_reset_reason(),
ri->reason,
ri->exccause, ri->epc1, ri->epc2, ri->epc3, ri->excvaddr, ri->depc
};
int i, n = ((ri->reason != REASON_EXCEPTION_RST) ? 2 : 8);
for (i = 0; i < n; ++i)
lua_pushinteger (L, arr[i]);
return n;
}
// Lua: restore()
static int node_restore (lua_State *L)
{
flash_init_data_default();
flash_init_data_blank();
system_restore();
return 0;
}
#ifdef LUA_OPTIMIZE_DEBUG
/* node.stripdebug([level[, function]]). 
* level: 1 don't discard debug
* 2 discard Local and Upvalue debug info
* 3 discard Local, Upvalue and lineno debug info.
* function: Function to be stripped as per setfenv except 0 not permitted.
* If no arguments then the current default setting is returned.
* If function is omitted, this is the default setting for future compiles
* The function returns an estimated integer count of the bytes stripped.
*/
static int node_stripdebug (lua_State *L) {
int level;
if (L->top == L->base) {
lua_pushlightuserdata(L, &luaG_stripdebug );
lua_gettable(L, LUA_REGISTRYINDEX);
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
lua_pushinteger(L, LUA_OPTIMIZE_DEBUG);
}
return 1;
}
level = luaL_checkint(L, 1);
if ((level <= 0) || (level > 3)) luaL_argerror(L, 1, "must in range 1-3");
if (L->top == L->base + 1) {
/* Store the default level in the registry if no function parameter */
lua_pushlightuserdata(L, &luaG_stripdebug);
lua_pushinteger(L, level);
lua_settable(L, LUA_REGISTRYINDEX);
lua_settop(L,0);
return 0;
}
if (level == 1) {
lua_settop(L,0);
lua_pushinteger(L, 0);
return 1;
}
if (!lua_isfunction(L, 2)) {
int scope = luaL_checkint(L, 2);
if (scope > 0) {
/* if the function parameter is a +ve integer then climb to find function */
lua_Debug ar;
lua_pop(L, 1); /* pop level as getinfo will replace it by the function */
if (lua_getstack(L, scope, &ar)) {
lua_getinfo(L, "f", &ar);
}
}
}
if(!lua_isfunction(L, 2) || lua_iscfunction(L, -1)) luaL_argerror(L, 2, "must be a Lua Function");
// lua_lock(L);
Proto *f = clvalue(L->base + 1)->l.p;
// lua_unlock(L);
lua_settop(L,0);
lua_pushinteger(L, luaG_stripdebug(L, f, level, 1));
return 1;
}
#endif
// Module function map
static const LUA_REG_TYPE node_map[] =
{
{ LSTRKEY( "restart" ), LFUNCVAL( node_restart ) },
{ LSTRKEY( "dsleep" ), LFUNCVAL( node_deepsleep ) },
{ LSTRKEY( "info" ), LFUNCVAL( node_info ) },
{ LSTRKEY( "chipid" ), LFUNCVAL( node_chipid ) },
{ LSTRKEY( "flashid" ), LFUNCVAL( node_flashid ) },
{ LSTRKEY( "flashsize" ), LFUNCVAL( node_flashsize) },
{ LSTRKEY( "heap" ), LFUNCVAL( node_heap ) },
#ifdef DEVKIT_VERSION_0_9
{ LSTRKEY( "key" ), LFUNCVAL( node_key ) },
{ LSTRKEY( "led" ), LFUNCVAL( node_led ) },
#endif
{ LSTRKEY( "input" ), LFUNCVAL( node_input ) },
{ LSTRKEY( "output" ), LFUNCVAL( node_output ) },
// Moved to adc module, use adc.readvdd33()
// { LSTRKEY( "readvdd33" ), LFUNCVAL( node_readvdd33) },
{ LSTRKEY( "compile" ), LFUNCVAL( node_compile) },
{ LSTRKEY( "CPU80MHZ" ), LNUMVAL( CPU80MHZ ) },
{ LSTRKEY( "CPU160MHZ" ), LNUMVAL( CPU160MHZ ) },
{ LSTRKEY( "setcpufreq" ), LFUNCVAL( node_setcpufreq) },
{ LSTRKEY( "bootreason" ), LFUNCVAL( node_bootreason) },
{ LSTRKEY( "restore" ), LFUNCVAL( node_restore) },
#ifdef LUA_OPTIMIZE_DEBUG
{ LSTRKEY( "stripdebug" ), LFUNCVAL( node_stripdebug ) },
#endif
// Combined to dsleep(us, option)
// { LSTRKEY( "dsleepsetoption" ), LFUNCVAL( node_deepsleep_setoption) },
{ LNILKEY, LNILVAL }
};
NODEMCU_MODULE(NODE, "node", node_map, NULL);