mirror of https://github.com/arendst/Tasmota.git
285 lines
8.9 KiB
C++
285 lines
8.9 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
|
|
|
|
#ifdef USE_I2C
|
|
|
|
#include <berry.h>
|
|
#include <Wire.h>
|
|
|
|
// read the `bus` attribute and return `Wire` or `Wire1`
|
|
// Can return nullptr reference if the bus is not initialized
|
|
TwoWire & getWire(bvm *vm);
|
|
TwoWire & getWire(bvm *vm) {
|
|
be_getmember(vm, 1, "bus");
|
|
int32_t bus = be_toint(vm, -1); // bus is 1 or 2
|
|
be_pop(vm, 1);
|
|
if (1 == bus && TasmotaGlobal.i2c_enabled) {
|
|
return Wire;
|
|
} else if (2 == bus && TasmotaGlobal.i2c_enabled_2) {
|
|
return Wire1;
|
|
} else {
|
|
be_raise(vm, "configuration_error", "I2C bus not initiliazedd");
|
|
return *(TwoWire*)nullptr;
|
|
}
|
|
}
|
|
|
|
bool I2cEnabled(bvm *vm);
|
|
bool I2cEnabled(bvm *vm) {
|
|
be_getmember(vm, 1, "bus");
|
|
int32_t bus = be_toint(vm, -1); // bus is 1 or 2
|
|
be_pop(vm, 1);
|
|
if (1 == bus && TasmotaGlobal.i2c_enabled) {
|
|
return true;
|
|
} else if (2 == bus && TasmotaGlobal.i2c_enabled_2) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
int32_t getBus(bvm *vm); // 1 or 2
|
|
int32_t getBus(bvm *vm) {
|
|
be_getmember(vm, 1, "bus");
|
|
int32_t bus = be_toint(vm, -1);
|
|
be_pop(vm, 1);
|
|
return bus;
|
|
}
|
|
|
|
/*********************************************************************************************\
|
|
* Native functions mapped to Berry functions
|
|
*
|
|
* import wire
|
|
*
|
|
* wire.get_free_heap() -> int
|
|
*
|
|
\*********************************************************************************************/
|
|
extern "C" {
|
|
// Berry: `init([bus:int = 0]) -> nil
|
|
int32_t b_wire_init(struct bvm *vm);
|
|
int32_t b_wire_init(struct bvm *vm) {
|
|
int32_t top = be_top(vm); // Get the number of arguments
|
|
int32_t bus = 1;
|
|
if (top > 1 && be_isint(vm, 2)) {
|
|
bus = be_toint(vm, 2);
|
|
if (bus < 1) { bus = 1; }
|
|
if (bus > 2) { bus = 2; }
|
|
}
|
|
// store bus in instance
|
|
be_pushint(vm, bus);
|
|
be_setmember(vm, 1, "bus");
|
|
be_return_nil(vm);
|
|
}
|
|
|
|
// 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
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 2 && be_isint(vm, 2)) { // only 1 argument of type string accepted
|
|
int32_t address = be_toint(vm, 2);
|
|
myWire.beginTransmission(address);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// 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
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 1 || (top == 2 && be_isbool(vm, 2))) { // only 1 argument of type string accepted
|
|
bool stop = true;
|
|
if (top == 1) {
|
|
stop = be_tobool(vm, 2);
|
|
}
|
|
uint32_t ret = myWire.endTransmission(stop);
|
|
be_pushint(vm, ret);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// 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
|
|
TwoWire & myWire = getWire(vm);
|
|
if ( (top == 3 || (top == 4 && be_isbool(vm, 4)))
|
|
&& be_isint(vm, 2) && be_isint(vm, 3) ) {
|
|
int32_t address = be_toint(vm, 2);
|
|
int32_t quantity = be_toint(vm, 3);
|
|
bool stop = true;
|
|
if (top == 4) {
|
|
stop = be_tobool(vm, 4);
|
|
}
|
|
myWire.requestFrom((uint16_t)address, (uint8_t)quantity, stop);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// 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
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 1) {
|
|
size_t available = myWire.available();
|
|
be_pushint(vm, available);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// 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
|
|
const void * buf;
|
|
size_t len;
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 2 && (be_isint(vm, 2) || be_isstring(vm, 2) || be_isinstance(vm, 2))) {
|
|
if (be_isint(vm, 2)) {
|
|
int32_t value = be_toint(vm, 2);
|
|
myWire.write(value);
|
|
} else if (be_isstring(vm, 2)) {
|
|
const char * s = be_tostring(vm, 1);
|
|
myWire.write(s);
|
|
} else if ((buf = be_tobytes(vm, 2, &len)) != nullptr) {
|
|
myWire.write((uint8_t*) buf, len);
|
|
} else {
|
|
be_return_nil(vm);
|
|
}
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// 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
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 1) {
|
|
int32_t value = myWire.read();
|
|
be_pushint(vm, value);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
int32_t b_wire_scan(struct bvm *vm);
|
|
int32_t b_wire_scan(struct bvm *vm) {
|
|
int32_t top = be_top(vm); // Get the number of arguments
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 1) {
|
|
be_newobject(vm, "list");
|
|
for (uint8_t address = 1; address <= 127; address++) {
|
|
myWire.beginTransmission(address);
|
|
int32_t error = myWire.endTransmission();
|
|
if (0 == error) {
|
|
be_pushint(vm, address);
|
|
be_data_push(vm, -2);
|
|
be_pop(vm, 1);
|
|
}
|
|
}
|
|
be_pop(vm, 1);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// Berry: `write(address:int, reg:int, val:int, size:int) -> bool or nil`
|
|
int32_t b_wire_validwrite(struct bvm *vm);
|
|
int32_t b_wire_validwrite(struct bvm *vm) {
|
|
int32_t top = be_top(vm); // Get the number of arguments
|
|
int32_t bus = getBus(vm) - 1; // 0 or 1
|
|
if (top == 5 && be_isint(vm, 2) && be_isint(vm, 3) && be_isint(vm, 4) && be_isint(vm, 5)) {
|
|
uint8_t addr = be_toint(vm, 2);
|
|
uint8_t reg = be_toint(vm, 3);
|
|
uint8_t val = be_toint(vm, 4);
|
|
uint8_t size = be_toint(vm, 5);
|
|
bool ok = I2cWrite(addr, reg, val, size, bus);
|
|
be_pushbool(vm, ok);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// Berry: `read(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
|
|
int32_t bus = getBus(vm) - 1; // 0 or 1
|
|
if (top == 4 && be_isint(vm, 2) && be_isint(vm, 3) && be_isint(vm, 4)) {
|
|
uint8_t addr = be_toint(vm, 2);
|
|
uint8_t reg = be_toint(vm, 3);
|
|
uint8_t size = be_toint(vm, 4);
|
|
bool ok = I2cValidRead(addr, reg, size, bus); // TODO
|
|
if (ok) {
|
|
be_pushint(vm, i2c_buffer);
|
|
} else {
|
|
be_pushnil(vm);
|
|
}
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// Berry: `find(address:int) -> bool` true if device responds
|
|
int32_t b_wire_detect(struct bvm *vm);
|
|
int32_t b_wire_detect(struct bvm *vm) {
|
|
int32_t top = be_top(vm); // Get the number of arguments
|
|
TwoWire & myWire = getWire(vm);
|
|
if (top == 2 && be_isint(vm, 2)) {
|
|
uint8_t addr = be_toint(vm, 2);
|
|
// check the presence of the device
|
|
myWire.beginTransmission((uint8_t)addr);
|
|
bool found = (0 == myWire.endTransmission());
|
|
be_pushbool(vm, found);
|
|
be_return(vm); // Return
|
|
}
|
|
be_raise(vm, kTypeError, nullptr);
|
|
}
|
|
|
|
// Berry: `enabled() -> bool` true if I2C bus is enabled
|
|
int32_t b_wire_enabled(struct bvm *vm);
|
|
int32_t b_wire_enabled(struct bvm *vm) {
|
|
bool en = I2cEnabled(vm);
|
|
be_pushbool(vm, en);
|
|
be_return(vm);
|
|
}
|
|
}
|
|
|
|
#endif // USE_I2C
|
|
|
|
extern "C" {
|
|
// Handle methods that require I2C to be enabled
|
|
int32_t b_wire_i2cmissing(struct bvm *vm);
|
|
int32_t b_wire_i2cmissing(struct bvm *vm) {
|
|
be_raise(vm, "feature_error", "I2C is not enabled, use '#define USE_I2C'");
|
|
}
|
|
}
|
|
|
|
#endif // USE_BERRY
|