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Tasmota/tasmota/xdrv_23_zigbee_6_commands.ino

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/*
xdrv_23_zigbee_converters.ino - zigbee support for Tasmota
Copyright (C) 2020 Theo Arends and Stephan Hadinger
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_ZIGBEE
typedef struct Z_CommandConverter {
const char * tasmota_cmd;
uint16_t cluster;
uint8_t cmd; // normally 8 bits, 0xFF means it's a parameter
uint8_t direction; // direction of the command. 0x01 client->server, 0x02 server->client, 0x03 both
const char * param;
} Z_CommandConverter;
typedef struct Z_XYZ_Var { // Holds values for vairables X, Y and Z
uint32_t x = 0;
uint32_t y = 0;
uint32_t z = 0;
uint8_t x_type = 0; // 0 = no value, 1 = 1 bytes, 2 = 2 bytes
uint8_t y_type = 0;
uint8_t z_type = 0;
} Z_XYZ_Var;
// list of post-processing directives
const Z_CommandConverter Z_Commands[] = {
// Group adress commands
{ "AddGroup", 0x0004, 0x00, 0x01, "xxxx00" }, // Add group id, group name is not supported
{ "ViewGroup", 0x0004, 0x01, 0x01, "xxxx" }, // Ask for the group name
{ "GetGroup", 0x0004, 0x02, 0x01, "01xxxx" }, // Get one group membership
{ "GetAllGroups", 0x0004, 0x02, 0x01, "00" }, // Get all groups membership
{ "RemoveGroup", 0x0004, 0x03, 0x01, "xxxx" }, // Remove one group
{ "RemoveAllGroups",0x0004, 0x04, 0x01, "" }, // Remove all groups
// Light & Shutter commands
{ "Power", 0x0006, 0xFF, 0x01, "" }, // 0=Off, 1=On, 2=Toggle
{ "Dimmer", 0x0008, 0x04, 0x01, "xx0A00" }, // Move to Level with On/Off, xx=0..254 (255 is invalid)
{ "Dimmer+", 0x0008, 0x06, 0x01, "001902" }, // Step up by 10%, 0.2 secs
{ "Dimmer-", 0x0008, 0x06, 0x01, "011902" }, // Step down by 10%, 0.2 secs
{ "DimmerStop", 0x0008, 0x03, 0x01, "" }, // Stop any Dimmer animation
{ "ResetAlarm", 0x0009, 0x00, 0x01, "xxyyyy" }, // Reset alarm (alarm code + cluster identifier)
{ "ResetAllAlarms", 0x0009, 0x01, 0x01, "" }, // Reset all alarms
{ "Hue", 0x0300, 0x00, 0x01, "xx000A00" }, // Move to Hue, shortest time, 1s
{ "Sat", 0x0300, 0x03, 0x01, "xx0A00" }, // Move to Sat
{ "HueSat", 0x0300, 0x06, 0x01, "xxyy0A00" }, // Hue, Sat
{ "Color", 0x0300, 0x07, 0x01, "xxxxyyyy0A00" }, // x, y (uint16)
{ "CT", 0x0300, 0x0A, 0x01, "xxxx0A00" }, // Color Temperature Mireds (uint16)
{ "ShutterOpen", 0x0102, 0x00, 0x01, "" },
{ "ShutterClose", 0x0102, 0x01, 0x01, "" },
{ "ShutterStop", 0x0102, 0x02, 0x01, "" },
{ "ShutterLift", 0x0102, 0x05, 0x01, "xx" }, // Lift percentage, 0%=open, 100%=closed
{ "ShutterTilt", 0x0102, 0x08, 0x01, "xx" }, // Tilt percentage
{ "Shutter", 0x0102, 0xFF, 0x01, "" },
// Blitzwolf PIR
{ "Occupancy", 0xEF00, 0x01, 0x01, "xx"}, // Specific decoder for Blitzwolf PIR, empty name means special treatment
// Decoders only - normally not used to send, and names may be masked by previous definitions
{ "Dimmer", 0x0008, 0x00, 0x01, "xx" },
{ "DimmerMove", 0x0008, 0x01, 0x01, "xx0A" },
{ "DimmerStep", 0x0008, 0x02, 0x01, "xx190A00" },
{ "DimmerMove", 0x0008, 0x05, 0x01, "xx0A" },
{ "Dimmer+", 0x0008, 0x06, 0x01, "00" },
{ "Dimmer-", 0x0008, 0x06, 0x01, "01" },
{ "DimmerStop", 0x0008, 0x07, 0x01, "" },
{ "HueMove", 0x0300, 0x01, 0x01, "xx19" },
{ "HueStep", 0x0300, 0x02, 0x01, "xx190A00" },
{ "SatMove", 0x0300, 0x04, 0x01, "xx19" },
{ "SatStep", 0x0300, 0x05, 0x01, "xx190A" },
{ "ColorMove", 0x0300, 0x08, 0x01, "xxxxyyyy" },
{ "ColorStep", 0x0300, 0x09, 0x01, "xxxxyyyy0A00" },
// Tradfri
{ "ArrowClick", 0x0005, 0x07, 0x01, "xx" }, // xx == 0x01 = left, 0x00 = right
{ "ArrowHold", 0x0005, 0x08, 0x01, "xx" }, // xx == 0x01 = left, 0x00 = right
{ "ArrowRelease", 0x0005, 0x09, 0x01, "" },
// IAS - Intruder Alarm System + leak/fire detection
{ "ZoneStatusChange",0x0500, 0x00, 0x02, "xxxxyyzz" }, // xxxx = zone status, yy = extended status, zz = zone id, Delay is ignored
// responses for Group cluster commands
{ "AddGroupResp", 0x0004, 0x00, 0x02, "xxyyyy" }, // xx = status, yy = group id
{ "ViewGroupResp", 0x0004, 0x01, 0x02, "xxyyyy" }, // xx = status, yy = group id, name ignored
{ "GetGroupResp", 0x0004, 0x02, 0x02, "xxyyzzzz" }, // xx = capacity, yy = count, zzzz = first group id, following groups ignored
{ "RemoveGroup", 0x0004, 0x03, 0x02, "xxyyyy" }, // xx = status, yy = group id
};
#define ZLE(x) ((x) & 0xFF), ((x) >> 8) // Little Endian
// Below are the attributes we wand to read from each cluster
const uint8_t CLUSTER_0006[] = { ZLE(0x0000) }; // Power
const uint8_t CLUSTER_0008[] = { ZLE(0x0000) }; // CurrentLevel
const uint8_t CLUSTER_0009[] = { ZLE(0x0000) }; // AlarmCount
const uint8_t CLUSTER_0300[] = { ZLE(0x0000), ZLE(0x0001), ZLE(0x0003), ZLE(0x0004), ZLE(0x0007) }; // Hue, Sat, X, Y, CT
// This callback is registered after a cluster specific command and sends a read command for the same cluster
int32_t Z_ReadAttrCallback(uint16_t shortaddr, uint16_t cluster, uint16_t endpoint, uint32_t value) {
size_t attrs_len = 0;
const uint8_t* attrs = nullptr;
switch (cluster) {
case 0x0006: // for On/Off
attrs = CLUSTER_0006;
attrs_len = sizeof(CLUSTER_0006);
break;
case 0x0008: // for Dimmer
attrs = CLUSTER_0008;
attrs_len = sizeof(CLUSTER_0008);
break;
case 0x0009: // for Alarms
attrs = CLUSTER_0009;
attrs_len = sizeof(CLUSTER_0009);
break;
case 0x0300: // for Lights
attrs = CLUSTER_0300;
attrs_len = sizeof(CLUSTER_0300);
break;
}
if (attrs) {
ZigbeeZCLSend(shortaddr, cluster, endpoint, ZCL_READ_ATTRIBUTES, false, attrs, attrs_len, true /* we do want a response */, zigbee_devices.getNextSeqNumber(shortaddr));
}
}
// set a timer to read back the value in the future
void zigbeeSetCommandTimer(uint16_t shortaddr, uint16_t cluster, uint16_t endpoint) {
uint32_t wait_ms = 0;
switch (cluster) {
case 0x0006: // for On/Off
case 0x0009: // for Alamrs
wait_ms = 200; // wait 0.2 s
break;
case 0x0008: // for Dimmer
case 0x0300: // for Color
wait_ms = 1050; // wait 1.0 s
break;
case 0x0102: // for Shutters
wait_ms = 10000; // wait 10.0 s
break;
}
if (wait_ms) {
zigbee_devices.setTimer(shortaddr, wait_ms, cluster, endpoint, 0 /* value */, &Z_ReadAttrCallback);
}
}
// returns true if char is 'x', 'y' or 'z'
inline bool isXYZ(char c) {
return (c >= 'x') && (c <= 'z');
}
// returns the Hex value of a digit [0-9A-Fa-f]
// return: 0x00-0x0F
// or -1 if cannot be parsed
inline int8_t hexValue(char c) {
if ((c >= '0') && (c <= '9')) {
return c - '0';
}
if ((c >= 'A') && (c <= 'F')) {
return 10 + c - 'A';
}
if ((c >= 'a') && (c <= 'f')) {
return 10 + c - 'a';
}
return -1;
}
// Parse a Big Endian suite of max_len digits, or stops when a non-hex digit is found
uint32_t parseHex_P(const char **data, size_t max_len = 8) {
uint32_t ret = 0;
for (uint32_t i = 0; i < max_len; i++) {
int8_t v = hexValue(pgm_read_byte(*data));
if (v < 0) { break; } // non hex digit, we stop parsing
ret = (ret << 4) | v;
*data += 1;
}
return ret;
}
// Parse a model like "xxyy00"
// and fill x, y and z values
// Little Endian encoding
// On exit, xyz is updated, and x_type, y_type, z_type contain the number of bytes read for each
void parseXYZ(const char *model, const SBuffer &payload, struct Z_XYZ_Var *xyz) {
const char *p = model; // pointer to the model character
uint32_t v = 0; // index in the payload bytes buffer
char c = pgm_read_byte(p); // cur char
while (c) {
char c1 = pgm_read_byte(p+1); // next char
if (!c1) { break; } // unexpected end of model
if (isXYZ(c) && (c == c1) && (v < payload.len())) { // if char is [x-z] and followed by same char
uint8_t val = payload.get8(v);
switch (c) {
case 'x':
xyz->x = xyz->x | (val << (xyz->x_type * 8));
xyz->x_type++;
break;
case 'y':
xyz->y = xyz->y | (val << (xyz->y_type * 8));
xyz->y_type++;
break;
case 'z':
xyz->z = xyz->z | (val << (xyz->z_type * 8));
xyz->z_type++;
break;
}
}
p += 2;
v++;
c = pgm_read_byte(p);
}
}
// works on big endiand hex only
// Returns if found:
// - cluster number
// - command number or 0xFF if command is part of the variable part
// - the payload in the form of a HEX string with x/y/z variables
// Parse a cluster specific command, and try to convert into human readable
void convertClusterSpecific(JsonObject& json, uint16_t cluster, uint8_t cmd, bool direction, const SBuffer &payload) {
size_t hex_char_len = payload.len()*2+2;
char *hex_char = (char*) malloc(hex_char_len);
if (!hex_char) { return; }
ToHex_P((unsigned char*)payload.getBuffer(), payload.len(), hex_char, hex_char_len);
const __FlashStringHelper* command_name = nullptr;
Z_XYZ_Var xyz;
//AddLog_P2(LOG_LEVEL_INFO, PSTR(">>> len = %d - %02X%02X%02X"), payload.len(), payload.get8(0), payload.get8(1), payload.get8(2));
for (uint32_t i = 0; i < sizeof(Z_Commands) / sizeof(Z_Commands[0]); i++) {
const Z_CommandConverter *conv = &Z_Commands[i];
if (conv->cluster == cluster) {
// cluster match
if ((0xFF == conv->cmd) || (cmd == conv->cmd)) {
// cmd match
if ((direction && (conv->direction & 0x02)) || (!direction && (conv->direction & 0x01))) {
// check if we have a match for params too
// Match if:
// - payload exactly matches conv->param (conv->param may be longer)
// - payload matches conv->param until 'x', 'y' or 'z'
const char * p = conv->param;
//AddLog_P2(LOG_LEVEL_INFO, PSTR(">>>++1 param = %s"), p);
bool match = true;
for (uint8_t i = 0; i < payload.len(); i++) {
const char c1 = pgm_read_byte(p);
const char c2 = pgm_read_byte(p+1);
//AddLog_P2(LOG_LEVEL_INFO, PSTR(">>>++2 c1 = %c, c2 = %c"), c1, c2);
if ((0x00 == c1) || isXYZ(c1)) {
break;
}
const char * p2 = p;
uint32_t nextbyte = parseHex_P(&p2, 2);
//AddLog_P2(LOG_LEVEL_INFO, PSTR(">>>++3 parseHex_P = %02X"), nextbyte);
if (nextbyte != payload.get8(i)) {
match = false;
break;
}
p += 2;
}
if (match) {
command_name = (const __FlashStringHelper*) conv->tasmota_cmd;
parseXYZ(conv->param, payload, &xyz);
if (0xFF == conv->cmd) {
// shift all values
xyz.z = xyz.y;
xyz.z_type = xyz.y_type;
xyz.y = xyz.x;
xyz.y_type = xyz.x_type;
xyz.x = cmd;
xyz.x_type = 1; // 1 byte
}
break;
}
}
}
}
}
// always report attribute in raw format
// Format: "0001!06": "00" = "<cluster>!<cmd>": "<payload>" for commands to devices
// Format: "0004<00": "00" = "<cluster><<cmd>": "<payload>" for commands to devices
char attrid_str[12];
snprintf_P(attrid_str, sizeof(attrid_str), PSTR("%04X%c%02X"), cluster, direction ? '<' : '!', cmd);
json[attrid_str] = hex_char;
free(hex_char);
if (command_name) {
if (0 == xyz.x_type) {
json[command_name] = true; // no parameter
} else if (0 == xyz.y_type) {
json[command_name] = xyz.x; // 1 parameter
} else {
// multiple answers, create an array
JsonArray &arr = json.createNestedArray(command_name);
arr.add(xyz.x);
arr.add(xyz.y);
if (xyz.z_type) {
arr.add(xyz.z);
}
}
}
}
// Find the command details by command name
// If not found:
// - returns nullptr
const __FlashStringHelper* zigbeeFindCommand(const char *command, uint16_t *cluster, uint16_t *cmd) {
for (uint32_t i = 0; i < sizeof(Z_Commands) / sizeof(Z_Commands[0]); i++) {
const Z_CommandConverter *conv = &Z_Commands[i];
if (0 == strcasecmp_P(command, conv->tasmota_cmd)) {
*cluster = conv->cluster;
*cmd = conv->cmd;
return (const __FlashStringHelper*) conv->param;
}
}
return nullptr;
}
// take the lower 4 bits and turn it to an hex char
inline char hexDigit(uint32_t h) {
uint32_t nybble = h & 0x0F;
return (nybble > 9) ? 'A' - 10 + nybble : '0' + nybble;
}
// replace all xx/yy/zz substrings with unsigned ints, and the corresponding len (8, 16 or 32 bits)
String zigbeeCmdAddParams(const char *zcl_cmd_P, uint32_t x, uint32_t y, uint32_t z) {
size_t len = strlen_P(zcl_cmd_P);
char zcl_cmd[len+1];
strcpy_P(zcl_cmd, zcl_cmd_P); // copy into RAM
char *p = zcl_cmd;
while (*p) {
if (isXYZ(*p) && (*p == *(p+1))) { // if char is [x-z] and followed by same char
uint8_t val;
switch (*p) {
case 'x':
val = x & 0xFF;
x = x >> 8;
break;
case 'y':
val = y & 0xFF;
y = y >> 8;
break;
case 'z':
val = z & 0xFF;
z = z >> 8;
break;
}
*p = hexDigit(val >> 4);
*(p+1) = hexDigit(val);
p++;
}
p++;
}
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("SendZCLCommand_P: zcl_cmd = %s"), zcl_cmd);
return String(zcl_cmd);
}
const char kZ_Alias[] PROGMEM = "OFF|" D_OFF "|" D_FALSE "|" D_STOP "|" "OPEN" "|" // 0
"ON|" D_ON "|" D_TRUE "|" D_START "|" "CLOSE" "|" // 1
"TOGGLE|" D_TOGGLE "|" // 2
"ALL" ; // 255
const uint8_t kZ_Numbers[] PROGMEM = { 0,0,0,0,0,
1,1,1,1,1,
2,2,
255 };
// Convert an alias like "On" to the corresponding number
uint32_t ZigbeeAliasOrNumber(const char *state_text) {
char command[16];
int state_number = GetCommandCode(command, sizeof(command), state_text, kZ_Alias);
if (state_number >= 0) {
// found an alias, get its value
return pgm_read_byte(kZ_Numbers + state_number);
} else {
// no alias found, convert it as number
return strtoul(state_text, nullptr, 0);
}
}
#endif // USE_ZIGBEE
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