Tasmota/tasmota/xdrv_52_3_berry_native.ino

353 lines
12 KiB
C++

/*
xdrv_52_3_berry_native.ino - Berry scripting language, native fucnctions
Copyright (C) 2021 Stephan Hadinger, Berry language by Guan Wenliang https://github.com/Skiars/berry
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_BERRY
#include <berry.h>
#include <Wire.h>
/*********************************************************************************************\
* Native functions mapped to Berry functions
*
* log(msg:string [,log_level:int]) ->nil
*
* import tasmota
*
* tasmota.getfreeheap() -> int
* tasmota.publish(topic:string, payload:string[, retain:bool]) -> nil
* tasmota.cmd(command:string) -> string
* tasmota.getoption(index:int) -> int
* tasmota.millis([delay:int]) -> int
* tasmota.timereached(timer:int) -> bool
* tasmota.yield() -> nil
*
\*********************************************************************************************/
extern "C" {
// Berry: `tasmota.publish(topic, payload [,retain]) -> nil``
//
int32_t l_publish(struct bvm *vm);
int32_t l_publish(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top >= 2 && be_isstring(vm, 1) && be_isstring(vm, 2)) { // 2 mandatory string arguments
if (top == 2 || (top == 3 && be_isbool(vm, 3))) { // 3rd optional argument must be bool
const char * topic = be_tostring(vm, 1);
const char * payload = be_tostring(vm, 2);
bool retain = false;
if (top == 3) {
retain = be_tobool(vm, 3);
}
strlcpy(TasmotaGlobal.mqtt_data, payload, sizeof(TasmotaGlobal.mqtt_data));
MqttPublish(topic, retain);
be_return(vm); // Return
}
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `tasmota.cmd(command:string) -> string`
//
int32_t l_cmd(struct bvm *vm);
int32_t l_cmd(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1 && be_isstring(vm, 1)) { // only 1 argument of type string accepted
const char * command = be_tostring(vm, 1);
ExecuteCommand(command, SRC_BERRY);
be_pushstring(vm, TasmotaGlobal.mqtt_data);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: tasmota.millis([delay:int]) -> int
//
int32_t l_millis(struct bvm *vm);
int32_t l_millis(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 0 || (top == 1 && be_isint(vm, 1))) { // only 1 argument of type string accepted
uint32_t delay = 0;
if (top == 1) {
delay = be_toint(vm, 1);
}
uint32_t ret_millis = millis() + delay;
be_pushint(vm, ret_millis);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: tasmota.getoption(index:int) -> int
//
int32_t l_getoption(struct bvm *vm);
int32_t l_getoption(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1 && be_isint(vm, 1)) {
uint32_t opt = GetOption(be_toint(vm, 1));
be_pushint(vm, opt);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: tasmota.timereached(timer:int) -> bool
//
int32_t l_timereached(struct bvm *vm);
int32_t l_timereached(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1 && be_isint(vm, 1)) { // only 1 argument of type string accepted
uint32_t timer = be_toint(vm, 1);
bool reached = TimeReached(timer);
be_pushbool(vm, reached);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `yield() -> nil`
// ESP object
int32_t l_yield(bvm *vm);
int32_t l_yield(bvm *vm) {
optimistic_yield(10);
be_return(vm);
}
// Berry: `save(file:string, f:closure) -> bool`
int32_t l_save(struct bvm *vm);
int32_t l_save(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top ==2 && be_isstring(vm, 1) && be_isclosure(vm, 2)) { // only 1 argument of type string accepted
const char *fname = be_tostring(vm, 1);
int32_t ret = be_savecode(vm, fname);
be_pushint(vm, ret);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
int32_t l_respCmnd(bvm *vm);
int32_t l_respCmnd(bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1) {
const char *msg = be_tostring(vm, 1);
Response_P("%s", msg);
}
be_return_nil(vm); // Return nil when something goes wrong
}
int32_t l_respCmndStr(bvm *vm);
int32_t l_respCmndStr(bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1) {
const char *msg = be_tostring(vm, 1);
ResponseCmndChar(msg);
}
be_return_nil(vm); // Return nil when something goes wrong
}
int32_t l_respCmndDone(bvm *vm);
int32_t l_respCmndDone(bvm *vm) {
ResponseCmndDone();
be_return_nil(vm);
}
int32_t l_respCmndError(bvm *vm);
int32_t l_respCmndError(bvm *vm) {
ResponseCmndError();
be_return_nil(vm);
}
int32_t l_respCmndFailed(bvm *vm);
int32_t l_respCmndFailed(bvm *vm) {
ResponseCmndFailed();
be_return_nil(vm);
}
// update XdrvMailbox.command with actual command
int32_t l_resolveCmnd(bvm *vm);
int32_t l_resolveCmnd(bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1 && be_isstring(vm, 1)) {
const char *msg = be_tostring(vm, 1);
strlcpy(XdrvMailbox.command, msg, CMDSZ);
}
be_return_nil(vm); // Return nil when something goes wrong
}
}
/*********************************************************************************************\
* Native functions mapped to Berry functions
*
* import wire
*
* wire.getfreeheap() -> int
*
\*********************************************************************************************/
extern "C" {
// Berry: `begintransmission(address:int) -> nil`
int32_t b_wire_begintransmission(struct bvm *vm);
int32_t b_wire_begintransmission(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1 && be_isint(vm, 1)) { // only 1 argument of type string accepted
int32_t address = be_toint(vm, 1);
Wire.beginTransmission(address);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `endtransmission([stop:bool]) -> nil`
int32_t b_wire_endtransmission(struct bvm *vm);
int32_t b_wire_endtransmission(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 0 || (top == 1 && be_isbool(vm, 1))) { // only 1 argument of type string accepted
bool stop = true;
if (top == 1) {
stop = be_tobool(vm, 1);
}
uint32_t ret = Wire.endTransmission(stop);
be_pushint(vm, ret);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `requestfrom(address:int, quantity:int [stop:bool = true]) -> nil`
int32_t b_wire_requestfrom(struct bvm *vm);
int32_t b_wire_requestfrom(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if ( (top == 2 || (top == 3 && be_isbool(vm, 3)))
&& be_isint(vm, 1) && be_isint(vm, 2) ) {
int32_t address = be_toint(vm, 1);
int32_t quantity = be_toint(vm, 2);
bool stop = true;
if (top == 3) {
stop = be_tobool(vm, 3);
}
Wire.requestFrom((uint16_t)address, (uint8_t)quantity, stop);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `available() -> bool`
int32_t b_wire_available(struct bvm *vm);
int32_t b_wire_available(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 0) {
size_t available = Wire.available();
be_pushint(vm, available);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `write(value:int | s:string) -> nil`
int32_t b_wire_write(struct bvm *vm);
int32_t b_wire_write(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 1 && (be_isint(vm, 1) || be_isint(vm, 1))) {
if (be_isint(vm, 1)) {
int32_t value = be_toint(vm, 1);
Wire.write(value);
} else if (be_isstring(vm, 1)) {
const char * s = be_tostring(vm, 1);
Wire.write(s);
} else {
be_return_nil(vm);
}
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `read() -> int`
int32_t b_wire_read(struct bvm *vm);
int32_t b_wire_read(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 0) {
int32_t value = Wire.read();
be_pushint(vm, value);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `validread(address:int, reg:int, size:int) -> int or nil`
int32_t b_wire_validread(struct bvm *vm);
int32_t b_wire_validread(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top == 3 && be_isint(vm, 1) && be_isint(vm, 2) && be_isint(vm, 3)) {
uint8_t addr = be_toint(vm, 1);
uint8_t reg = be_toint(vm, 2);
uint8_t size = be_toint(vm, 3);
bool ok = I2cValidRead(addr, reg, size);
if (ok) {
be_pushint(vm, i2c_buffer);
} else {
be_pushnil(vm);
}
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
}
/*********************************************************************************************\
* Native functions mapped to Berry functions
*
* log(msg:string [,log_level:int]) ->nil
*
\*********************************************************************************************/
extern "C" {
// Berry: `log(msg:string [,log_level:int]) ->nil`
// Logs the string at LOG_LEVEL_INFO (loglevel=2)
int32_t l_logInfo(struct bvm *vm);
int32_t l_logInfo(struct bvm *vm) {
int32_t top = be_top(vm); // Get the number of arguments
if (top >= 1 && be_isstring(vm, 1)) { // only 1 argument of type string accepted
const char * msg = be_tostring(vm, 1);
uint32_t log_level = LOG_LEVEL_INFO;
if (top >= 2 && be_isint(vm, 2)) {
log_level = be_toint(vm, 2);
if (log_level > LOG_LEVEL_DEBUG_MORE) { log_level = LOG_LEVEL_DEBUG_MORE; }
}
AddLog(log_level, PSTR("%s"), msg);
be_return(vm); // Return
}
be_return_nil(vm); // Return nil when something goes wrong
}
// Berry: `getFreeHeap() -> int`
// ESP object
int32_t l_getFreeHeap(bvm *vm);
int32_t l_getFreeHeap(bvm *vm) {
be_pushint(vm, ESP.getFreeHeap());
be_return(vm);
}
}
// called as a replacement to Berry `print()`
void berry_log(const char * berry_buf);
void berry_log(const char * berry_buf) {
AddLog(LOG_LEVEL_INFO, PSTR("%s"), berry_buf);
}
#endif // USE_BERRY