/*
xdrv_23_zigbee.ino - zigbee support for Sonoff-Tasmota
Copyright (C) 2019 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 .
*/
#ifdef USE_ZIGBEE
#define XDRV_23 23
const uint32_t ZIGBEE_BUFFER_SIZE = 256; // Max ZNP frame is SOF+LEN+CMD1+CMD2+250+FCS = 255
const uint8_t ZIGBEE_SOF = 0xFE;
const uint8_t ZIGBEE_LABEL_ABORT = 99; // goto label 99 in case of fatal error
const uint8_t ZIGBEE_LABEL_READY = 20; // goto label 99 in case of fatal error
#include
TasmotaSerial *ZigbeeSerial = nullptr;
const char kZigbeeCommands[] PROGMEM = "|" D_CMND_ZIGBEEZNPSEND;
void (* const ZigbeeCommand[])(void) PROGMEM = { &CmndZigbeeZNPSend };
typedef int32_t (*ZB_Func)(uint8_t value);
typedef int32_t (*ZB_RecvMsgFunc)(int32_t res, class SBuffer &buf);
typedef union Zigbee_Instruction {
struct {
uint8_t i; // instruction
uint8_t d8; // 8 bits data
uint16_t d16; // 16 bits data
} i;
const void *p; // pointer
// const void *m; // for type checking only, message
// const ZB_Func f;
// const ZB_RecvMsgFunc fr;
} Zigbee_Instruction;
//
// Zigbee_Instruction z1 = { .i = {1,2,3}};
// Zigbee_Instruction z3 = { .p = nullptr };
typedef struct Zigbee_Instruction_Type {
uint8_t instr;
uint8_t data;
} Zigbee_Instruction_Type;
enum Zigbee_StateMachine_Instruction_Set {
// 2 bytes instructions
ZGB_INSTR_4_BYTES = 0,
ZGB_INSTR_NOOP = 0, // do nothing
ZGB_INSTR_LABEL, // define a label
ZGB_INSTR_GOTO, // goto label
ZGB_INSTR_ON_ERROR_GOTO, // goto label if error
ZGB_INSTR_ON_TIMEOUT_GOTO, // goto label if timeout
ZGB_INSTR_WAIT, // wait for x ms (in chunks of 100ms)
ZGB_INSTR_WAIT_FOREVER, // wait forever but state machine still active
ZGB_INSTR_STOP, // stop state machine with optional error code
// 6 bytes instructions
ZGB_INSTR_8_BYTES = 0x80,
ZGB_INSTR_CALL = 0x80, // call a function
ZGB_INSTR_LOG, // log a message, if more detailed logging required, call a function
ZGB_INSTR_SEND, // send a ZNP message
ZGB_INSTR_WAIT_UNTIL, // wait until the specified message is received, ignore all others
ZGB_INSTR_WAIT_RECV, // wait for a message according to the filter
ZGB_ON_RECV_UNEXPECTED, // function to handle unexpected messages, or nullptr
// 10 bytes instructions
ZGB_INSTR_12_BYTES = 0xF0,
ZGB_INSTR_WAIT_RECV_CALL, // wait for a filtered message and call function upon receive
};
#define ZI_NOOP() { .i = { ZGB_INSTR_NOOP, 0x00, 0x0000} },
#define ZI_LABEL(x) { .i = { ZGB_INSTR_LABEL, (x), 0x0000} },
#define ZI_GOTO(x) { .i = { ZGB_INSTR_GOTO, (x), 0x0000} },
#define ZI_ON_ERROR_GOTO(x) { .i = { ZGB_INSTR_ON_ERROR_GOTO, (x), 0x0000} },
#define ZI_ON_TIMEOUT_GOTO(x) { .i = { ZGB_INSTR_ON_TIMEOUT_GOTO, (x), 0x0000} },
#define ZI_WAIT(x) { .i = { ZGB_INSTR_WAIT, 0x00, (x)} },
#define ZI_WAIT_FOREVER() { .i = { ZGB_INSTR_WAIT_FOREVER, 0x00, 0x0000} },
#define ZI_STOP(x) { .i = { ZGB_INSTR_STOP, (x), 0x0000} },
#define ZI_CALL(f, x) { .i = { ZGB_INSTR_CALL, (x), 0x0000} }, { .p = (const void*)(f) },
#define ZI_LOG(x, m) { .i = { ZGB_INSTR_LOG, (x), 0x0000 } }, { .p = ((const void*)(m)) },
#define ZI_ON_RECV_UNEXPECTED(f) { .i = { ZGB_ON_RECV_UNEXPECTED, 0x00, 0x0000} }, { .p = (const void*)(f) },
#define ZI_SEND(m) { .i = { ZGB_INSTR_SEND, sizeof(m), 0x0000} }, { .p = (const void*)(m) },
#define ZI_WAIT_RECV(x, m) { .i = { ZGB_INSTR_WAIT_RECV, sizeof(m), (x)} }, { .p = (const void*)(m) },
#define ZI_WAIT_UNTIL(x, m) { .i = { ZGB_INSTR_WAIT_UNTIL, sizeof(m), (x)} }, { .p = (const void*)(m) },
#define ZI_WAIT_RECV_FUNC(x, m, f) { .i = { ZGB_INSTR_WAIT_RECV_CALL, sizeof(m), (x)} }, { .p = (const void*)(m) }, { .p = (const void*)(f) },
struct ZigbeeStatus {
bool active = true; // is Zigbee active for this device, i.e. GPIOs configured
bool state_machine = false; // the state machine is running
bool state_waiting = false; // the state machine is waiting for external event or timeout
bool state_no_timeout = false; // the current wait loop does not generate a timeout but only continues running
bool ready = false; // cc2530 initialization is complet, ready to operate
uint8_t on_error_goto = ZIGBEE_LABEL_ABORT; // on error goto label, 99 default to abort
uint8_t on_timeout_goto = ZIGBEE_LABEL_ABORT; // on timeout goto label, 99 default to abort
int16_t pc = 0; // program counter, -1 means abort
uint32_t next_timeout = 0; // millis for the next timeout
uint8_t *recv_filter = nullptr; // receive filter message
bool recv_until = false; // ignore all messages until the received frame fully matches
size_t recv_filter_len = 0;
ZB_RecvMsgFunc recv_func = nullptr; // function to call when message is expected
ZB_RecvMsgFunc recv_unexpected = nullptr; // function called when unexpected message is received
bool init_phase = true; // initialization phase, before accepting zigbee traffic
};
struct ZigbeeStatus zigbee;
SBuffer *zigbee_buffer = nullptr;
/*********************************************************************************************\
* ZCL
\*********************************************************************************************/
typedef union ZCLHeaderFrameControl_t {
struct {
uint8_t frame_type : 2; // 00 = across entire profile, 01 = cluster specific
uint8_t manuf_specific : 1; // Manufacturer Specific Sub-field
uint8_t direction : 1; // 0 = tasmota to zigbee, 1 = zigbee to tasmota
uint8_t disable_def_resp : 1; // don't send back default response
uint8_t reserved : 3;
} b;
uint8_t d8; // raw 8 bits field
} ZCLHeaderFrameControl_t;
class ZCLFrame {
public:
ZCLFrame(uint8_t frame_control, uint16_t manuf_code, uint8_t transact_seq, uint8_t cmd_id,
const char *buf, size_t buf_len ):
_cmd_id(cmd_id), _manuf_code(manuf_code), _transact_seq(transact_seq),
_payload(buf_len ? buf_len : 250) // allocate the data frame from source or preallocate big enough
{
_frame_control.d8 = frame_control;
_payload.addBuffer(buf, buf_len);
};
void publishMQTTReceived(void) {
char hex_char[_payload.len()*2+2];
ToHex_P((unsigned char*)_payload.getBuffer(), _payload.len(), hex_char, sizeof(hex_char));
ResponseTime_P(PSTR(",\"" D_JSON_ZIGBEEZCLRECEIVED "\":{\"fc\":\"0x%02X\",\"manuf\":\"0x%04X\",\"transact\":%d,"
"\"cmdid\":\"0x%02X\",\"payload\":\"%s\"}}"),
_frame_control, _manuf_code, _transact_seq, _cmd_id,
hex_char);
MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_ZIGBEEZCLSENT));
XdrvRulesProcess();
}
static ZCLFrame parseRawFrame(SBuffer &buf, uint8_t offset, uint8_t len) { // parse a raw frame and build the ZCL frame object
uint32_t i = offset;
ZCLHeaderFrameControl_t frame_control;
uint16_t manuf_code = 0;
uint8_t transact_seq;
uint8_t cmd_id;
frame_control.d8 = buf.get8(i++);
if (frame_control.b.manuf_specific) {
manuf_code = buf.get16(i);
i += 2;
}
transact_seq = buf.get8(i++);
cmd_id = buf.get8(i++);
ZCLFrame zcl_frame(frame_control.d8, manuf_code, transact_seq, cmd_id,
(const char *)(buf.buf() + i), len + offset - i);
return zcl_frame;
}
private:
ZCLHeaderFrameControl_t _frame_control = { .d8 = 0 };
uint16_t _manuf_code = 0; // optional
uint8_t _transact_seq = 0; // transaction sequence number
uint8_t _cmd_id = 0;
SBuffer _payload;
};
/*********************************************************************************************\
* State Machine
\*********************************************************************************************/
#define Z_B0(a) (uint8_t)( ((a) ) & 0xFF )
#define Z_B1(a) (uint8_t)( ((a) >> 8) & 0xFF )
#define Z_B2(a) (uint8_t)( ((a) >> 16) & 0xFF )
#define Z_B3(a) (uint8_t)( ((a) >> 24) & 0xFF )
#define Z_B4(a) (uint8_t)( ((a) >> 32) & 0xFF )
#define Z_B5(a) (uint8_t)( ((a) >> 40) & 0xFF )
#define Z_B6(a) (uint8_t)( ((a) >> 48) & 0xFF )
#define Z_B7(a) (uint8_t)( ((a) >> 56) & 0xFF )
// Macro to define message to send and receive
#define ZBM(n, x...) const uint8_t n[] PROGMEM = { x };
// ZBS_* Zigbee Send
// ZBR_* Zigbee Recv
ZBM(ZBS_RESET, Z_AREQ | Z_SYS, SYS_RESET, 0x01 ) // 410001 SYS_RESET_REQ Software reset
ZBM(ZBR_RESET, Z_AREQ | Z_SYS, SYS_RESET_IND ) // 4180 SYS_RESET_REQ Software reset response
ZBM(ZBS_VERSION, Z_SREQ | Z_SYS, SYS_VERSION ) // 2102 Z_SYS:version
ZBM(ZBR_VERSION, Z_SRSP | Z_SYS, SYS_VERSION ) // 6102 Z_SYS:version
// Check if ZNP_HAS_CONFIGURED is set
ZBM(ZBS_ZNPHC, Z_SREQ | Z_SYS, SYS_OSAL_NV_READ, ZNP_HAS_CONFIGURED & 0xFF, ZNP_HAS_CONFIGURED >> 8, 0x00 /* offset */ ) // 2108000F00 - 6108000155
ZBM(ZBR_ZNPHC, Z_SRSP | Z_SYS, SYS_OSAL_NV_READ, Z_Success, 0x01 /* len */, 0x55) // 6108000155
// If not set, the response is 61-08-02-00 = Z_SRSP | Z_SYS, SYS_OSAL_NV_READ, Z_InvalidParameter, 0x00 /* len */
ZBM(ZBS_PAN, Z_SREQ | Z_SAPI, SAPI_READ_CONFIGURATION, CONF_PANID ) // 260483
ZBM(ZBR_PAN, Z_SRSP | Z_SAPI, SAPI_READ_CONFIGURATION, Z_Success, CONF_PANID, 0x02 /* len */,
Z_B0(USE_ZIGBEE_PANID), Z_B1(USE_ZIGBEE_PANID) ) // 6604008302xxxx
ZBM(ZBS_EXTPAN, Z_SREQ | Z_SAPI, SAPI_READ_CONFIGURATION, CONF_EXTENDED_PAN_ID ) // 26042D
ZBM(ZBR_EXTPAN, Z_SRSP | Z_SAPI, SAPI_READ_CONFIGURATION, Z_Success, CONF_EXTENDED_PAN_ID,
0x08 /* len */,
Z_B0(USE_ZIGBEE_EXTPANID), Z_B1(USE_ZIGBEE_EXTPANID), Z_B2(USE_ZIGBEE_EXTPANID), Z_B3(USE_ZIGBEE_EXTPANID),
Z_B4(USE_ZIGBEE_EXTPANID), Z_B5(USE_ZIGBEE_EXTPANID), Z_B6(USE_ZIGBEE_EXTPANID), Z_B7(USE_ZIGBEE_EXTPANID),
) // 6604002D08xxxxxxxxxxxxxxxx
ZBM(ZBS_CHANN, Z_SREQ | Z_SAPI, SAPI_READ_CONFIGURATION, CONF_CHANLIST ) // 260484
ZBM(ZBR_CHANN, Z_SRSP | Z_SAPI, SAPI_READ_CONFIGURATION, Z_Success, CONF_CHANLIST,
0x04 /* len */,
Z_B0(USE_ZIGBEE_CHANNEL), Z_B1(USE_ZIGBEE_CHANNEL), Z_B2(USE_ZIGBEE_CHANNEL), Z_B3(USE_ZIGBEE_CHANNEL),
) // 6604008404xxxxxxxx
ZBM(ZBS_PFGK, Z_SREQ | Z_SAPI, SAPI_READ_CONFIGURATION, CONF_PRECFGKEY ) // 260462
ZBM(ZBR_PFGK, Z_SRSP | Z_SAPI, SAPI_READ_CONFIGURATION, Z_Success, CONF_PRECFGKEY,
0x10 /* len */,
Z_B0(USE_ZIGBEE_PRECFGKEY_L), Z_B1(USE_ZIGBEE_PRECFGKEY_L), Z_B2(USE_ZIGBEE_PRECFGKEY_L), Z_B3(USE_ZIGBEE_PRECFGKEY_L),
Z_B4(USE_ZIGBEE_PRECFGKEY_L), Z_B5(USE_ZIGBEE_PRECFGKEY_L), Z_B6(USE_ZIGBEE_PRECFGKEY_L), Z_B7(USE_ZIGBEE_PRECFGKEY_L),
Z_B0(USE_ZIGBEE_PRECFGKEY_H), Z_B1(USE_ZIGBEE_PRECFGKEY_H), Z_B2(USE_ZIGBEE_PRECFGKEY_H), Z_B3(USE_ZIGBEE_PRECFGKEY_H),
Z_B4(USE_ZIGBEE_PRECFGKEY_H), Z_B5(USE_ZIGBEE_PRECFGKEY_H), Z_B6(USE_ZIGBEE_PRECFGKEY_H), Z_B7(USE_ZIGBEE_PRECFGKEY_H),
/*0x01, 0x03, 0x05, 0x07, 0x09, 0x0B, 0x0D, 0x0F,
0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0D*/ ) // 660400621001030507090B0D0F00020406080A0C0D
ZBM(ZBS_PFGKEN, Z_SREQ | Z_SAPI, SAPI_READ_CONFIGURATION, CONF_PRECFGKEYS_ENABLE ) // 260463
ZBM(ZBR_PFGKEN, Z_SRSP | Z_SAPI, SAPI_READ_CONFIGURATION, Z_Success, CONF_PRECFGKEYS_ENABLE,
0x01 /* len */, 0x00 ) // 660400630100
// commands to "format" the device
// Write configuration - write success
ZBM(ZBR_W_OK, Z_SRSP | Z_SAPI, SAPI_WRITE_CONFIGURATION, Z_Success ) // 660500 - Write Configuration
ZBM(ZBR_WNV_OK, Z_SRSP | Z_SYS, SYS_OSAL_NV_WRITE, Z_Success ) // 610900 - NV Write
// Factory reset
ZBM(ZBS_FACTRES, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_STARTUP_OPTION, 0x01 /* len */, 0x02 ) // 2605030102
// Write PAN ID
ZBM(ZBS_W_PAN, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_PANID, 0x02 /* len */, Z_B0(USE_ZIGBEE_PANID), Z_B1(USE_ZIGBEE_PANID) ) // 26058302xxxx
// Write EXT PAN ID
ZBM(ZBS_W_EXTPAN, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_EXTENDED_PAN_ID, 0x08 /* len */,
Z_B0(USE_ZIGBEE_EXTPANID), Z_B1(USE_ZIGBEE_EXTPANID), Z_B2(USE_ZIGBEE_EXTPANID), Z_B3(USE_ZIGBEE_EXTPANID),
Z_B4(USE_ZIGBEE_EXTPANID), Z_B5(USE_ZIGBEE_EXTPANID), Z_B6(USE_ZIGBEE_EXTPANID), Z_B7(USE_ZIGBEE_EXTPANID)
) // 26052D086263151D004B1200
// Write Channel ID
ZBM(ZBS_W_CHANN, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_CHANLIST, 0x04 /* len */,
Z_B0(USE_ZIGBEE_CHANNEL), Z_B1(USE_ZIGBEE_CHANNEL), Z_B2(USE_ZIGBEE_CHANNEL), Z_B3(USE_ZIGBEE_CHANNEL),
/*0x00, 0x08, 0x00, 0x00*/ ) // 26058404xxxxxxxx
// Write Logical Type = 00 = coordinator
ZBM(ZBS_W_LOGTYP, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_LOGICAL_TYPE, 0x01 /* len */, 0x00 ) // 2605870100
// Write precfgkey
ZBM(ZBS_W_PFGK, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_PRECFGKEY,
0x10 /* len */,
Z_B0(USE_ZIGBEE_PRECFGKEY_L), Z_B1(USE_ZIGBEE_PRECFGKEY_L), Z_B2(USE_ZIGBEE_PRECFGKEY_L), Z_B3(USE_ZIGBEE_PRECFGKEY_L),
Z_B4(USE_ZIGBEE_PRECFGKEY_L), Z_B5(USE_ZIGBEE_PRECFGKEY_L), Z_B6(USE_ZIGBEE_PRECFGKEY_L), Z_B7(USE_ZIGBEE_PRECFGKEY_L),
Z_B0(USE_ZIGBEE_PRECFGKEY_H), Z_B1(USE_ZIGBEE_PRECFGKEY_H), Z_B2(USE_ZIGBEE_PRECFGKEY_H), Z_B3(USE_ZIGBEE_PRECFGKEY_H),
Z_B4(USE_ZIGBEE_PRECFGKEY_H), Z_B5(USE_ZIGBEE_PRECFGKEY_H), Z_B6(USE_ZIGBEE_PRECFGKEY_H), Z_B7(USE_ZIGBEE_PRECFGKEY_H),
/*0x01, 0x03, 0x05, 0x07, 0x09, 0x0B, 0x0D, 0x0F,
0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0D*/ ) // 2605621001030507090B0D0F00020406080A0C0D
// Write precfgkey enable
ZBM(ZBS_W_PFGKEN, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_PRECFGKEYS_ENABLE, 0x01 /* len */, 0x00 ) // 2605630100
// Write Security Mode
ZBM(ZBS_WNV_SECMODE, Z_SREQ | Z_SYS, SYS_OSAL_NV_WRITE, Z_B0(CONF_TCLK_TABLE_START), Z_B1(CONF_TCLK_TABLE_START),
0x00 /* offset */, 0x20 /* len */,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x5a, 0x69, 0x67, 0x42, 0x65, 0x65, 0x41, 0x6c,
0x6c, 0x69, 0x61, 0x6e, 0x63, 0x65, 0x30, 0x39,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) // 2109010100200FFFFFFFFFFFFFFFF5A6967426565416C6C69616E636530390000000000000000
// Write Z_ZDO Direct CB
ZBM(ZBS_W_ZDODCB, Z_SREQ | Z_SAPI, SAPI_WRITE_CONFIGURATION, CONF_ZDO_DIRECT_CB, 0x01 /* len */, 0x01 ) // 26058F0101
// NV Init ZNP Has Configured
ZBM(ZBS_WNV_INITZNPHC, Z_SREQ | Z_SYS, SYS_OSAL_NV_ITEM_INIT, ZNP_HAS_CONFIGURED & 0xFF, ZNP_HAS_CONFIGURED >> 8,
0x01, 0x00 /* InitLen 16 bits */, 0x01 /* len */, 0x00 ) // 2107000F01000100 - 610709
// Init succeeded
ZBM(ZBR_WNV_INIT_OK, Z_SRSP | Z_SYS, SYS_OSAL_NV_WRITE, Z_Created ) // 610709 - NV Write
// Write ZNP Has Configured
ZBM(ZBS_WNV_ZNPHC, Z_SREQ | Z_SYS, SYS_OSAL_NV_WRITE, Z_B0(ZNP_HAS_CONFIGURED), Z_B1(ZNP_HAS_CONFIGURED),
0x00 /* offset */, 0x01 /* len */, 0x55 ) // 2109000F000155 - 610900
// Z_ZDO:startupFromApp
ZBM(ZBS_STARTUPFROMAPP, Z_SREQ | Z_ZDO, ZDO_STARTUP_FROM_APP, 100, 0 /* delay */) // 25406400
ZBM(ZBR_STARTUPFROMAPP, Z_SRSP | Z_ZDO, ZDO_STARTUP_FROM_APP ) // 6540 + 01 for new network, 00 for exisitng network, 02 for error
ZBM(AREQ_STARTUPFROMAPP, Z_AREQ | Z_ZDO, ZDO_STATE_CHANGE_IND, ZDO_DEV_ZB_COORD ) // 45C009 + 08 = starting, 09 = started
// GetDeviceInfo
ZBM(ZBS_GETDEVICEINFO, Z_SREQ | Z_UTIL, Z_UTIL_GET_DEVICE_INFO ) // 2700
ZBM(ZBR_GETDEVICEINFO, Z_SRSP | Z_UTIL, Z_UTIL_GET_DEVICE_INFO, Z_Success ) // Ex= 6700.00.6263151D004B1200.0000.07.09.00
// IEEE Adr (8 bytes) = 6263151D004B1200
// Short Addr (2 bytes) = 0000
// Device Type (1 byte) = 07 (coord?)
// Device State (1 byte) = 09 (coordinator started)
// NumAssocDevices (1 byte) = 00
// Read Pan ID
//ZBM(ZBS_READ_NV_PANID, Z_SREQ | Z_SYS, SYS_OSAL_NV_READ, PANID & 0xFF, PANID >> 8, 0x00 /* offset */ ) // 2108830000
// Z_ZDO:nodeDescReq
ZBM(ZBS_ZDO_NODEDESCREQ, Z_SREQ | Z_ZDO, ZDO_NODE_DESC_REQ, 0x00, 0x00 /* dst addr */, 0x00, 0x00 /* NWKAddrOfInterest */) // 250200000000
ZBM(ZBR_ZDO_NODEDESCREQ, Z_SRSP | Z_ZDO, ZDO_NODE_DESC_REQ, Z_Success ) // 650200
// Async resp ex: 4582.0000.00.0000.00.40.8F.0000.50.A000.0100.A000.00
ZBM(AREQ_ZDO_NODEDESCREQ, Z_AREQ | Z_ZDO, ZDO_NODE_DESC_RSP) // 4582
// SrcAddr (2 bytes) 0000
// Status (1 byte) 00 Success
// NwkAddr (2 bytes) 0000
// LogicalType (1 byte) - 00 Coordinator
// APSFlags (1 byte) - 40 0=APSFlags 4=NodeFreqBands
// MACCapabilityFlags (1 byte) - 8F ALL
// ManufacturerCode (2 bytes) - 0000
// MaxBufferSize (1 byte) - 50 NPDU
// MaxTransferSize (2 bytes) - A000 = 160
// ServerMask (2 bytes) - 0100 - Primary Trust Center
// MaxOutTransferSize (2 bytes) - A000 = 160
// DescriptorCapabilities (1 byte) - 00
// Z_ZDO:activeEpReq
ZBM(ZBS_ZDO_ACTIVEEPREQ, Z_SREQ | Z_ZDO, ZDO_ACTIVE_EP_REQ, 0x00, 0x00, 0x00, 0x00) // 250500000000
ZBM(ZBR_ZDO_ACTIVEEPREQ, Z_SRSP | Z_ZDO, ZDO_ACTIVE_EP_REQ, Z_Success) // 65050000
ZBM(ZBR_ZDO_ACTIVEEPRSP_NONE, Z_AREQ | Z_ZDO, ZDO_ACTIVE_EP_RSP, 0x00, 0x00 /* srcAddr */, Z_Success,
0x00, 0x00 /* nwkaddr */, 0x00 /* activeepcount */) // 45050000 - no Ep running
ZBM(ZBR_ZDO_ACTIVEEPRSP_OK, Z_AREQ | Z_ZDO, ZDO_ACTIVE_EP_RSP, 0x00, 0x00 /* srcAddr */, Z_Success,
0x00, 0x00 /* nwkaddr */, 0x02 /* activeepcount */, 0x0B, 0x01 /* the actual endpoints */) // 25050000 - no Ep running
// Z_AF:register profile:104, ep:01
ZBM(ZBS_AF_REGISTER01, Z_SREQ | Z_AF, AF_REGISTER, 0x01 /* endpoint */, Z_B0(Z_PROF_HA), Z_B1(Z_PROF_HA), // 24000401050000000000
0x05, 0x00 /* AppDeviceId */, 0x00 /* AppDevVer */, 0x00 /* LatencyReq */,
0x00 /* AppNumInClusters */, 0x00 /* AppNumInClusters */)
ZBM(ZBR_AF_REGISTER, Z_SRSP | Z_AF, AF_REGISTER, Z_Success) // 640000
ZBM(ZBS_AF_REGISTER0B, Z_SREQ | Z_AF, AF_REGISTER, 0x0B /* endpoint */, Z_B0(Z_PROF_HA), Z_B1(Z_PROF_HA), // 2400040B050000000000
0x05, 0x00 /* AppDeviceId */, 0x00 /* AppDevVer */, 0x00 /* LatencyReq */,
0x00 /* AppNumInClusters */, 0x00 /* AppNumInClusters */)
// Z_ZDO:mgmtPermitJoinReq
ZBM(ZBS_PERMITJOINREQ_CLOSE, Z_SREQ | Z_ZDO, ZDO_MGMT_PERMIT_JOIN_REQ, 0x02 /* AddrMode */, // 25360200000000
0x00, 0x00 /* DstAddr */, 0x00 /* Duration */, 0x00 /* TCSignificance */)
ZBM(ZBS_PERMITJOINREQ_OPEN, Z_SREQ | Z_ZDO, ZDO_MGMT_PERMIT_JOIN_REQ, 0x0F /* AddrMode */, // 25360FFFFCFF00
0xFC, 0xFF /* DstAddr */, 0xFF /* Duration */, 0x00 /* TCSignificance */)
ZBM(ZBR_PERMITJOINREQ, Z_SRSP | Z_ZDO, ZDO_MGMT_PERMIT_JOIN_REQ, Z_Success) // 653600
ZBM(ZBR_PERMITJOIN_AREQ_CLOSE, Z_AREQ | Z_ZDO, ZDO_PERMIT_JOIN_IND, 0x00 /* Duration */) // 45CB00
ZBM(ZBR_PERMITJOIN_AREQ_OPEN, Z_AREQ | Z_ZDO, ZDO_PERMIT_JOIN_IND, 0xFF /* Duration */) // 45CBFF
ZBM(ZBR_PERMITJOIN_AREQ_RSP, Z_AREQ | Z_ZDO, ZDO_MGMT_PERMIT_JOIN_RSP, 0x00, 0x00 /* srcAddr*/, Z_Success ) // 45B6000000
// Filters for ZCL frames
ZBM(ZBR_AF_INCOMING_MESSAGE, Z_AREQ | Z_AF, AF_INCOMING_MSG) // 4481
static const Zigbee_Instruction zb_prog[] PROGMEM = {
ZI_LABEL(0)
ZI_NOOP()
ZI_ON_ERROR_GOTO(ZIGBEE_LABEL_ABORT)
ZI_ON_TIMEOUT_GOTO(ZIGBEE_LABEL_ABORT)
ZI_ON_RECV_UNEXPECTED(&Z_Recv_Default)
ZI_WAIT(15000) // wait for 15 seconds for Tasmota to stabilize
ZI_ON_ERROR_GOTO(50)
ZI_LOG(LOG_LEVEL_INFO, "ZIG: rebooting device")
ZI_SEND(ZBS_RESET) // reboot cc2530 just in case we rebooted ESP8266 but not cc2530
ZI_WAIT_RECV(5000, ZBR_RESET) // timeout 5s
ZI_LOG(LOG_LEVEL_INFO, "ZIG: checking device configuration")
ZI_SEND(ZBS_ZNPHC) // check value of ZNP Has Configured
ZI_WAIT_RECV(2000, ZBR_ZNPHC)
ZI_SEND(ZBS_VERSION) // check ZNP software version
ZI_WAIT_RECV(500, ZBR_VERSION)
ZI_SEND(ZBS_PAN) // check PAN ID
ZI_WAIT_RECV(500, ZBR_PAN)
ZI_SEND(ZBS_EXTPAN) // check EXT PAN ID
ZI_WAIT_RECV(500, ZBR_EXTPAN)
ZI_SEND(ZBS_CHANN) // check CHANNEL
ZI_WAIT_RECV(500, ZBR_CHANN)
ZI_SEND(ZBS_PFGK) // check PFGK
ZI_WAIT_RECV(500, ZBR_PFGK)
ZI_SEND(ZBS_PFGKEN) // check PFGKEN
ZI_WAIT_RECV(500, ZBR_PFGKEN)
ZI_LOG(LOG_LEVEL_INFO, "ZIG: zigbee configuration ok")
// all is good, we can start
ZI_LABEL(10) // START ZNP App
ZI_CALL(&Z_State_Ready, 1)
ZI_ON_ERROR_GOTO(ZIGBEE_LABEL_ABORT)
// Z_ZDO:startupFromApp
ZI_LOG(LOG_LEVEL_INFO, "ZIG: starting zigbee coordinator")
ZI_SEND(ZBS_STARTUPFROMAPP) // start coordinator
ZI_WAIT_RECV(2000, ZBR_STARTUPFROMAPP) // wait for sync ack of command
ZI_WAIT_UNTIL(5000, AREQ_STARTUPFROMAPP) // wait for async message that coordinator started
ZI_SEND(ZBS_GETDEVICEINFO) // GetDeviceInfo
ZI_WAIT_RECV(500, ZBR_GETDEVICEINFO) // TODO memorize info
ZI_SEND(ZBS_ZDO_NODEDESCREQ) // Z_ZDO:nodeDescReq
ZI_WAIT_RECV(500, ZBR_ZDO_NODEDESCREQ)
ZI_WAIT_UNTIL(5000, AREQ_ZDO_NODEDESCREQ)
ZI_SEND(ZBS_ZDO_ACTIVEEPREQ) // Z_ZDO:activeEpReq
ZI_WAIT_RECV(500, ZBR_ZDO_ACTIVEEPREQ)
ZI_WAIT_UNTIL(500, ZBR_ZDO_ACTIVEEPRSP_NONE)
ZI_SEND(ZBS_AF_REGISTER01) // Z_AF register for endpoint 01, profile 0x0104 Home Automation
ZI_WAIT_RECV(500, ZBR_AF_REGISTER)
ZI_SEND(ZBS_AF_REGISTER0B) // Z_AF register for endpoint 0B, profile 0x0104 Home Automation
ZI_WAIT_RECV(500, ZBR_AF_REGISTER)
// Z_ZDO:nodeDescReq ?? Is is useful to redo it? TODO
// redo Z_ZDO:activeEpReq to check that Ep are available
ZI_SEND(ZBS_ZDO_ACTIVEEPREQ) // Z_ZDO:activeEpReq
ZI_WAIT_RECV(500, ZBR_ZDO_ACTIVEEPREQ)
ZI_WAIT_UNTIL(500, ZBR_ZDO_ACTIVEEPRSP_OK)
ZI_SEND(ZBS_PERMITJOINREQ_CLOSE) // Closing the Permit Join
ZI_WAIT_RECV(500, ZBR_PERMITJOINREQ)
ZI_WAIT_UNTIL(500, ZBR_PERMITJOIN_AREQ_RSP) // not sure it's useful
//ZI_WAIT_UNTIL(500, ZBR_PERMITJOIN_AREQ_CLOSE)
ZI_SEND(ZBS_PERMITJOINREQ_OPEN) // Opening Permit Join, normally through command TODO
ZI_WAIT_RECV(500, ZBR_PERMITJOINREQ)
ZI_WAIT_UNTIL(500, ZBR_PERMITJOIN_AREQ_RSP) // not sure it's useful
//ZI_WAIT_UNTIL(500, ZBR_PERMITJOIN_AREQ_OPEN)
ZI_LABEL(ZIGBEE_LABEL_READY)
ZI_LOG(LOG_LEVEL_INFO, "ZIG: zigbee device ready, listening...")
ZI_CALL(&Z_State_Ready, 1)
ZI_WAIT_FOREVER()
ZI_GOTO(ZIGBEE_LABEL_READY)
ZI_LABEL(50) // reformat device
ZI_LOG(LOG_LEVEL_INFO, "ZIG: zigbee bad configuration of device, doing a factory reset")
ZI_ON_ERROR_GOTO(ZIGBEE_LABEL_ABORT)
ZI_SEND(ZBS_FACTRES) // factory reset
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_RESET) // reset device
ZI_WAIT_RECV(5000, ZBR_RESET)
ZI_SEND(ZBS_W_PAN) // write PAN ID
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_W_EXTPAN) // write EXT PAN ID
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_W_CHANN) // write CHANNEL
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_W_LOGTYP) // write Logical Type = coordinator
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_W_PFGK) // write PRECFGKEY
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_W_PFGKEN) // write PRECFGKEY Enable
ZI_WAIT_RECV(500, ZBR_W_OK)
ZI_SEND(ZBS_WNV_SECMODE) // write Security Mode
ZI_WAIT_RECV(500, ZBR_WNV_OK)
ZI_SEND(ZBS_W_ZDODCB) // write Z_ZDO Direct CB
ZI_WAIT_RECV(500, ZBR_W_OK)
// Now mark the device as ready, writing 0x55 in memory slot 0x0F00
ZI_SEND(ZBS_WNV_INITZNPHC) // Init NV ZNP Has Configured
ZI_WAIT_RECV(500, ZBR_WNV_INIT_OK)
ZI_SEND(ZBS_WNV_ZNPHC) // Write NV ZNP Has Configured
ZI_WAIT_RECV(500, ZBR_WNV_OK)
ZI_LOG(LOG_LEVEL_INFO, "ZIG: zigbee device reconfigured")
ZI_GOTO(10)
ZI_LABEL(ZIGBEE_LABEL_ABORT) // Label 99: abort
ZI_LOG(LOG_LEVEL_ERROR, "ZIG: Abort")
ZI_STOP(ZIGBEE_LABEL_ABORT)
};
int32_t Z_Recv_Vers(int32_t res, class SBuffer &buf) {
// check that the version is supported
// typical version for ZNP 1.2
// 61020200-020603D91434010200000000
// TranportRev = 02
// Product = 00
// MajorRel = 2
// MinorRel = 6
// MaintRel = 3
// Revision = 20190425 d (0x013414D9)
if ((0x02 == buf.get8(4)) && (0x06 == buf.get8(5))) {
return 0; // version 2.6.x is ok
} else {
return -2; // abort
}
}
int32_t Z_Recv_Default(int32_t res, class SBuffer &buf) {
// Default message handler for new messages
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("ZIG: Z_Recv_Default"));
if (zigbee.init_phase) {
// if still during initialization phase, ignore any unexpected message
return -1; // ignore message
} else {
if ( (pgm_read_byte(&ZBR_AF_INCOMING_MESSAGE[0]) == buf.get8(0)) &&
(pgm_read_byte(&ZBR_AF_INCOMING_MESSAGE[1]) == buf.get8(1)) ) {
// AF_INCOMING_MSG, extract ZCL part TODO
// skip first 19 bytes
ZCLFrame zcl_received = ZCLFrame::parseRawFrame(buf, 19, buf.get8(18));
zcl_received.publishMQTTReceived();
}
return -1;
}
}
int32_t Z_State_Ready(uint8_t value) {
zigbee.init_phase = false; // initialization phase complete
return 0; // continue
}
uint8_t ZigbeeGetInstructionSize(uint8_t instr) { // in Zigbee_Instruction lines (words)
if (instr >= ZGB_INSTR_12_BYTES) {
return 3;
} else if (instr >= ZGB_INSTR_8_BYTES) {
return 2;
} else {
return 1;
}
}
void ZigbeeGotoLabel(uint8_t label) {
// look for the label scanning entire code
uint16_t goto_pc = 0xFFFF; // 0xFFFF means not found
uint8_t cur_instr = 0;
uint8_t cur_d8 = 0;
uint8_t cur_instr_len = 1; // size of current instruction in words
for (uint32_t i = 0; i < sizeof(zb_prog)/sizeof(zb_prog[0]); i += cur_instr_len) {
const Zigbee_Instruction *cur_instr_line = &zb_prog[i];
cur_instr = pgm_read_byte(&cur_instr_line->i.i);
cur_d8 = pgm_read_byte(&cur_instr_line->i.d8);
//AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZGB GOTO: pc %d instr %d"), i, cur_instr);
if (ZGB_INSTR_LABEL == cur_instr) {
//AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZIG: found label %d at pc %d"), cur_d8, i);
if (label == cur_d8) {
// label found, goto to this pc
zigbee.pc = i;
zigbee.state_machine = true;
zigbee.state_waiting = false;
return;
}
}
// get instruction length
cur_instr_len = ZigbeeGetInstructionSize(cur_instr);
}
// no label found, abort
AddLog_P2(LOG_LEVEL_ERROR, PSTR("ZIG: Goto label not found, label=%d pc=%d"), label, zigbee.pc);
if (ZIGBEE_LABEL_ABORT != label) {
// if not already looking for ZIGBEE_LABEL_ABORT, goto ZIGBEE_LABEL_ABORT
ZigbeeGotoLabel(ZIGBEE_LABEL_ABORT);
} else {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("ZIG: Label Abort (%d) not present, aborting Zigbee"), ZIGBEE_LABEL_ABORT);
zigbee.state_machine = false;
zigbee.active = false;
}
}
void ZigbeeStateMachine_Run(void) {
uint8_t cur_instr = 0;
uint8_t cur_d8 = 0;
uint16_t cur_d16 = 0;
const void* cur_ptr1 = nullptr;
const void* cur_ptr2 = nullptr;
uint32_t now = millis();
if (zigbee.state_waiting) { // state machine is waiting for external event or timeout
// checking if timeout expired
if ((zigbee.next_timeout) && (now > zigbee.next_timeout)) { // if next_timeout == 0 then wait forever
//AddLog_P2(LOG_LEVEL_INFO, PSTR("ZIG: timeout occured pc=%d"), zigbee.pc);
if (!zigbee.state_no_timeout) {
AddLog_P2(LOG_LEVEL_INFO, PSTR("ZIG: timeout, goto label %d"), zigbee.on_timeout_goto);
ZigbeeGotoLabel(zigbee.on_timeout_goto);
} else {
zigbee.state_waiting = false; // simply stop waiting
}
}
}
while ((zigbee.state_machine) && (!zigbee.state_waiting)) {
// reinit receive filters and functions (they only work for a single instruction)
zigbee.recv_filter = nullptr;
zigbee.recv_func = nullptr;
zigbee.recv_until = false;
zigbee.state_no_timeout = false; // reset the no_timeout for next instruction
if (zigbee.pc > (sizeof(zb_prog)/sizeof(zb_prog[0]))) {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("ZIG: Invalid pc: %d, aborting"), zigbee.pc);
zigbee.pc = -1;
}
if (zigbee.pc < 0) {
zigbee.state_machine = false;
return;
}
// load current instruction details
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZIG: Executing instruction pc=%d"), zigbee.pc);
const Zigbee_Instruction *cur_instr_line = &zb_prog[zigbee.pc];
cur_instr = pgm_read_byte(&cur_instr_line->i.i);
cur_d8 = pgm_read_byte(&cur_instr_line->i.d8);
cur_d16 = pgm_read_word(&cur_instr_line->i.d16);
if (cur_instr >= ZGB_INSTR_8_BYTES) {
cur_instr_line++;
cur_ptr1 = cur_instr_line->p;
}
if (cur_instr >= ZGB_INSTR_12_BYTES) {
cur_instr_line++;
cur_ptr2 = cur_instr_line->p;
}
zigbee.pc += ZigbeeGetInstructionSize(cur_instr); // move pc to next instruction, before any goto
switch (cur_instr) {
case ZGB_INSTR_NOOP:
case ZGB_INSTR_LABEL: // do nothing
break;
case ZGB_INSTR_GOTO:
ZigbeeGotoLabel(cur_d8);
break;
case ZGB_INSTR_ON_ERROR_GOTO:
zigbee.on_error_goto = cur_d8;
break;
case ZGB_INSTR_ON_TIMEOUT_GOTO:
zigbee.on_timeout_goto = cur_d8;
break;
case ZGB_INSTR_WAIT:
zigbee.next_timeout = now + cur_d16;
zigbee.state_waiting = true;
zigbee.state_no_timeout = true; // do not generate a timeout error when waiting is done
break;
case ZGB_INSTR_WAIT_FOREVER:
zigbee.next_timeout = 0;
zigbee.state_waiting = true;
//zigbee.state_no_timeout = true; // do not generate a timeout error when waiting is done
break;
case ZGB_INSTR_STOP:
zigbee.state_machine = false;
if (cur_d8) {
AddLog_P2(LOG_LEVEL_ERROR, PSTR("ZIG: Stopping (%d)"), cur_d8);
}
break;
case ZGB_INSTR_CALL:
if (cur_ptr1) {
uint32_t res;
res = (*((ZB_Func)cur_ptr1))(cur_d8);
if (res > 0) {
ZigbeeGotoLabel(res);
continue; // avoid incrementing PC after goto
} else if (res == 0) {
// do nothing
} else if (res == -1) {
// do nothing
} else {
ZigbeeGotoLabel(zigbee.on_error_goto);
continue;
}
}
// TODO
break;
case ZGB_INSTR_LOG:
AddLog_P(cur_d8, (char*) cur_ptr1);
break;
case ZGB_INSTR_SEND:
ZigbeeZNPSend((uint8_t*) cur_ptr1, cur_d8 /* len */);
break;
case ZGB_INSTR_WAIT_UNTIL:
zigbee.recv_until = true; // and reuse ZGB_INSTR_WAIT_RECV
case ZGB_INSTR_WAIT_RECV:
zigbee.recv_filter = (uint8_t *) cur_ptr1;
zigbee.recv_filter_len = cur_d8; // len
zigbee.next_timeout = now + cur_d16;
zigbee.state_waiting = true;
break;
case ZGB_ON_RECV_UNEXPECTED:
zigbee.recv_unexpected = (ZB_RecvMsgFunc) cur_ptr1;
break;
case ZGB_INSTR_WAIT_RECV_CALL:
zigbee.recv_filter = (uint8_t *) cur_ptr1;
zigbee.recv_filter_len = cur_d8; // len
zigbee.recv_func = (ZB_RecvMsgFunc) cur_ptr2;
zigbee.next_timeout = now + cur_d16;
zigbee.state_waiting = true;
break;
}
}
}
int32_t ZigbeeProcessInput(class SBuffer &buf) {
if (!zigbee.state_machine) { return -1; } // if state machine is stopped, send 'ignore' message
// apply the receive filter, acts as 'startsWith()'
bool recv_filter_match = true;
bool recv_prefix_match = false; // do the first 2 bytes match the response
if ((zigbee.recv_filter) && (zigbee.recv_filter_len > 0)) {
if (zigbee.recv_filter_len >= 2) {
recv_prefix_match = false;
if ( (pgm_read_byte(&zigbee.recv_filter[0]) == buf.get8(0)) &&
(pgm_read_byte(&zigbee.recv_filter[1]) == buf.get8(1)) ) {
recv_prefix_match = true;
}
}
for (uint32_t i = 0; i < zigbee.recv_filter_len; i++) {
if (pgm_read_byte(&zigbee.recv_filter[i]) != buf.get8(i)) {
recv_filter_match = false;
break;
}
}
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("ZIG: ZigbeeProcessInput: recv_prefix_match = %d, recv_filter_match = %d"), recv_prefix_match, recv_filter_match);
}
// if there is a recv_callback, call it now
int32_t res = -1; // default to ok
// res = 0 - proceed to next state
// res > 0 - proceed to the specified state
// res = -1 - silently ignore the message
// res <= -2 - move to error state
// pre-compute the suggested value
if ((zigbee.recv_filter) && (zigbee.recv_filter_len > 0)) {
if (!recv_prefix_match) {
res = -1; // ignore
} else { // recv_prefix_match
if (recv_filter_match) {
res = 0; // ok
} else {
if (zigbee.recv_until) {
res = -1; // ignore until full match
} else {
res = -2; // error, because message is expected but wrong value
}
}
}
} else { // we don't have any filter, ignore message by default
res = -1;
}
if (recv_prefix_match) {
if (zigbee.recv_func) {
res = (*zigbee.recv_func)(res, buf);
}
}
if (-1 == res) {
// if frame was ignored up to now
if (zigbee.recv_unexpected) {
res = (*zigbee.recv_unexpected)(res, buf);
}
}
AddLog_P2(LOG_LEVEL_DEBUG, PSTR("ZIG: ZigbeeProcessInput: res = %d"), res);
// change state accordingly
if (0 == res) {
// if ok, continue execution
zigbee.state_waiting = false;
} else if (res > 0) {
ZigbeeGotoLabel(res); // if >0 then go to specified label
} else if (-1 == res) {
// -1 means ignore message
// just do nothing
} else {
// any other negative value means error
ZigbeeGotoLabel(zigbee.on_error_goto);
}
}
void ZigbeeInput(void)
{
static uint32_t zigbee_polling_window = 0;
static uint8_t fcs = ZIGBEE_SOF;
static uint32_t zigbee_frame_len = 5; // minimal zigbee frame lenght, will be updated when buf[1] is read
// Receive only valid ZNP frames:
// 00 - SOF = 0xFE
// 01 - Length of Data Field - 0..250
// 02 - CMD1 - first byte of command
// 03 - CMD2 - second byte of command
// 04..FD - Data Field
// FE (or last) - FCS Checksum
while (ZigbeeSerial->available()) {
yield();
uint8_t zigbee_in_byte = ZigbeeSerial->read();
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZigbeeInput byte=%d len=%d"), zigbee_in_byte, zigbee_buffer->len());
if (0 == zigbee_buffer->len()) { // make sure all variables are correctly initialized
zigbee_frame_len = 5;
fcs = ZIGBEE_SOF;
}
if ((0 == zigbee_buffer->len()) && (ZIGBEE_SOF != zigbee_in_byte)) {
// waiting for SOF (Start Of Frame) byte, discard anything else
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZigbeeInput discarding byte %02X"), zigbee_in_byte);
continue; // discard
}
if (zigbee_buffer->len() < zigbee_frame_len) {
zigbee_buffer->add8(zigbee_in_byte);
zigbee_polling_window = millis(); // Wait for more data
fcs ^= zigbee_in_byte;
}
if (zigbee_buffer->len() >= zigbee_frame_len) {
zigbee_polling_window = 0; // Publish now
break;
}
// recalculate frame length
if (02 == zigbee_buffer->len()) {
// We just received the Lenght byte
uint8_t len_byte = zigbee_buffer->get8(1);
if (len_byte > 250) len_byte = 250; // ZNP spec says len is 250 max
zigbee_frame_len = len_byte + 5; // SOF + LEN + CMD1 + CMD2 + FCS = 5 bytes overhead
}
}
if (zigbee_buffer->len() && (millis() > (zigbee_polling_window + ZIGBEE_POLLING))) {
char hex_char[(zigbee_buffer->len() * 2) + 2];
ToHex_P((unsigned char*)zigbee_buffer->getBuffer(), zigbee_buffer->len(), hex_char, sizeof(hex_char));
// buffer received, now check integrity
if (zigbee_buffer->len() != zigbee_frame_len) {
// Len is not correct, log and reject frame
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_JSON_ZIGBEEZNPRECEIVED ": received frame of wrong size %s, len %d, expected %d"), hex_char, zigbee_buffer->len(), zigbee_frame_len);
} else if (0x00 != fcs) {
// FCS is wrong, packet is corrupt, log and reject frame
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_JSON_ZIGBEEZNPRECEIVED ": received bad FCS frame %s, %d"), hex_char, fcs);
} else {
// frame is correct
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_JSON_ZIGBEEZNPRECEIVED ": received correct frame %s"), hex_char);
SBuffer znp_buffer = zigbee_buffer->subBuffer(2, zigbee_frame_len - 3); // remove SOF, LEN and FCS
ToHex_P((unsigned char*)znp_buffer.getBuffer(), znp_buffer.len(), hex_char, sizeof(hex_char));
ResponseTime_P(PSTR(",\"" D_JSON_ZIGBEEZNPRECEIVED "\":\"%s\"}"), hex_char);
MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_ZIGBEEZNPRECEIVED));
XdrvRulesProcess();
// now process the message
ZigbeeProcessInput(znp_buffer);
}
zigbee_buffer->setLen(0); // empty buffer
}
}
/********************************************************************************************/
void ZigbeeInit(void)
{
zigbee.active = false;
if ((pin[GPIO_ZIGBEE_RX] < 99) && (pin[GPIO_ZIGBEE_TX] < 99)) {
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("Zigbee: GPIOs Rx:%d Tx:%d"), pin[GPIO_ZIGBEE_RX], pin[GPIO_ZIGBEE_TX]);
ZigbeeSerial = new TasmotaSerial(pin[GPIO_ZIGBEE_RX], pin[GPIO_ZIGBEE_TX], 0, 0, 256); // set a receive buffer of 256 bytes
if (ZigbeeSerial->begin(115200)) { // ZNP is 115200, RTS/CTS (ignored), 8N1
if (ZigbeeSerial->hardwareSerial()) {
ClaimSerial();
zigbee_buffer = new PreAllocatedSBuffer(sizeof(serial_in_buffer), serial_in_buffer);
} else {
zigbee_buffer = new SBuffer(ZIGBEE_BUFFER_SIZE);
}
zigbee.active = true;
zigbee.init_phase = true; // start the state machine
zigbee.state_machine = true; // start the state machine
ZigbeeSerial->flush();
}
}
}
/*********************************************************************************************\
* Commands
\*********************************************************************************************/
void CmndZigbeeZNPSend(void)
{
AddLog_P2(LOG_LEVEL_INFO, PSTR("CmndZigbeeZNPSend: entering, data_len = %d"), XdrvMailbox.data_len); // TODO
if (ZigbeeSerial && (XdrvMailbox.data_len > 0)) {
uint8_t code;
char *codes = RemoveSpace(XdrvMailbox.data);
int32_t size = strlen(XdrvMailbox.data);
SBuffer buf((size+1)/2);
while (size > 0) {
char stemp[3];
strlcpy(stemp, codes, sizeof(stemp));
code = strtol(stemp, nullptr, 16);
buf.add8(code);
size -= 2;
codes += 2;
}
ZigbeeZNPSend(buf.getBuffer(), buf.len());
}
ResponseCmndDone();
}
void ZigbeeZNPSend(const uint8_t *msg, size_t len) {
if ((len < 2) || (len > 252)) {
// abort, message cannot be less than 2 bytes for CMD1 and CMD2
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_JSON_ZIGBEEZNPSENT ": bad message len %d"), len);
return;
}
uint8_t data_len = len - 2; // removing CMD1 and CMD2
if (ZigbeeSerial) {
uint8_t fcs = data_len;
ZigbeeSerial->write(ZIGBEE_SOF); // 0xFE
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZNPSend SOF %02X"), ZIGBEE_SOF);
ZigbeeSerial->write(data_len);
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZNPSend LEN %02X"), data_len);
for (uint32_t i = 0; i < len; i++) {
uint8_t b = pgm_read_byte(msg + i);
ZigbeeSerial->write(b);
fcs ^= b;
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZNPSend byt %02X"), b);
}
ZigbeeSerial->write(fcs); // finally send fcs checksum byte
AddLog_P2(LOG_LEVEL_DEBUG_MORE, PSTR("ZNPSend FCS %02X"), fcs);
}
// Now send a MQTT message to report the sent message
char hex_char[(len * 2) + 2];
Response_P(PSTR("{\"" D_JSON_ZIGBEEZNPSENT "\":\"%s\"}"),
ToHex_P(msg, len, hex_char, sizeof(hex_char)));
MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_ZIGBEEZNPSENT));
XdrvRulesProcess();
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv23(uint8_t function)
{
bool result = false;
if (zigbee.active) {
switch (function) {
case FUNC_LOOP:
if (ZigbeeSerial) { ZigbeeInput(); }
if (zigbee.state_machine) {
//ZigbeeStateMachine();
ZigbeeStateMachine_Run();
}
break;
case FUNC_PRE_INIT:
ZigbeeInit();
break;
case FUNC_COMMAND:
result = DecodeCommand(kZigbeeCommands, ZigbeeCommand);
break;
}
}
return result;
}
#endif // USE_ZIGBEE