本项目中使用了Zigbee模块(DRF1609H),作为无线数据传输使用,初始化DRF1609H主要涉及以下几个方面的内容:: S2 v2 z& P1 {. F% J. I: m" ^
1,设置节点的类型,可以设置为:Router、End Device。Zigbee网络有3种类型的节点:Coordinator、Router、End Device,Cordinator接在电脑上面收集数据,我们这里是采集节点,所以只设置为Router或End Device。- M5 _. @. |5 Y5 x1 z
2,检测节点是否加入了网络5 ~' f( h- X2 [+ ~. p
3,如果节点没有加入网络,则启动自动扫描加入网络3 Y* K: Y6 Z. @2 _+ b# a! v1 q
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1,节点类型的设置:2 F5 ^ C4 U9 \9 N
首先读取DRF1609H的参数:G031向DRF1609H发送读取参数指令,发完参数后,有一个500MS的超时等待参数的回复,参数回复总共是53个字节,放在receiveConfigData里面。
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- //--Read DRF1609H Configures --
% C3 V4 _) ]+ H3 ]0 l - drf1609h_readModule();2 n. r) V( w9 x0 d5 d2 l
- HAL_UART_Receive( &huart1, receivedConfigData, 53, 500 );
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- void drf1609h_readModule(void)+ P# Y# J% e/ Z" ?; `0 Z
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- drf1609h_sendedIns = sendIns_read;
r1 ~- t- l; x/ f - HAL_UART_Transmit_DMA( &huart1, readIns, 9 );
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复制代码 读取参数完成后,把读取到的参数整理后放入drf1609这个结构体中:以后取用的时候就非常方便了,建议用户不要改这部分代码,直接拷贝使用就好了。! g0 y5 d2 b# a9 m
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- //---If DRF1609H Error or Read Error ------( T2 X) w+ z! a+ i; |. T" h
- while( readParameterProcess(receivedConfigData, 53) == 0 )
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; p9 t2 }: G7 ^" e - drf1609h_readModule();
/ t5 H- S# X4 N - HAL_UART_Receive( &huart1, receivedConfigData, 53, 500 );
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复制代码- //------------------------------! I- j7 W* k9 r$ w, k; Y
- uint8_t readParameterProcess(uint8_t *inputData, uint16_t inputLen), G0 [4 _+ a9 H3 B" V P- X$ c
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- uint8_t result=0;
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- uint8_t tempXY=0;
% n- h* B, n/ | - uint8_t tempRight=0;
+ C6 M7 O; b, F. r( } - uint8_t i=0;$ g. ~: @5 _( U- E2 |5 v
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- tempXY = getXY(inputData, inputLen);7 c9 e! K7 R7 P! A0 M* m9 s& N$ U
-
& O7 W4 K/ o7 z - if(inputData[0]==0xFA) { tempRight++; }; ?) b W* _/ X, b2 `1 f" w
- if(inputData[1]==0x31) { tempRight++; }
" H8 p6 }3 U9 y/ h - if(inputData[2]==0x0A) { tempRight++; }- [1 [7 t$ c( p
- if(inputData[inputLen-1]==tempXY) { tempRight++; }
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" r0 i/ b3 i5 _ - if(tempRight==4)
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# ^& |- H4 ?* E5 m* K2 O2 | - //------; A! @- ~. V& r: e, z
- drf1609.pointType = inputData[readHeaderLen +0];3 e6 x, y; R. M) R
- drf1609.PAN_ID = inputData[readHeaderLen +1]*256 + inputData[readHeaderLen +2];
; d% f$ s, h' s7 y* [2 L' @ - drf1609.Channel = inputData[readHeaderLen +3];
4 r( M, {" [' l. d6 O - drf1609.transferModel = inputData[readHeaderLen +4];8 M: [- `) y. _2 `; F& n
- drf1609.userAddress = inputData[readHeaderLen +5]*256 + inputData[readHeaderLen +6];$ c& H% Z9 i' i1 V' A" B9 n
- drf1609.X7X8 = inputData[readHeaderLen +7]*256 + inputData[readHeaderLen +8];, u4 i, _1 `( C! D: ^0 x% M
- drf1609.uartBraudRate = inputData[readHeaderLen +9];
* R* v- A& |9 `$ Y4 ?: \ - drf1609.uartDataBits = inputData[readHeaderLen +10];( B4 t% l4 k/ N, z: r( ^6 ^4 h5 F/ j
- drf1609.uartStopBits = inputData[readHeaderLen +11];, C- h' d0 v! ^! X9 Q% a. j
- drf1609.uartParity = inputData[readHeaderLen +12];
& Z% r0 N1 y" q% U D+ y- M& Z. s - drf1609.X13X14 = inputData[readHeaderLen +13]*256 + inputData[readHeaderLen +14];2 d" N/ e4 p6 g1 z% d# ~/ V
- drf1609.antennaSelect = inputData[readHeaderLen +15];
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- //-------7 ^3 q5 a. I$ h! F' j
- for(i=0; i<8; i++)4 z4 l) i+ h# s8 V: h& O J0 [
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- drf1609.macAddress<i> = inputData[readHeaderLen +16 +i];% W2 z6 E: `5 _2 v- c/ m7 Q- E
- </i>}
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- //--------- M! O& V; M) ~/ ]
- drf1609.prePointType = inputData[readHeaderLen +24];5 i; y+ h1 h5 y0 y% d, A
- drf1609.prePAN_ID = inputData[readHeaderLen +25]*256 + inputData[readHeaderLen +26];
% [0 W# R, B5 `% ~. d4 W - drf1609.preChannel = inputData[readHeaderLen +27];
, Z5 u( u2 A/ N- v1 a4 l+ R0 \ - drf1609.preTransferModel = inputData[readHeaderLen +28];1 h" y# \1 j( F3 V2 V! E# l' N
- drf1609.preUserAddress = inputData[readHeaderLen +29]*256 + inputData[readHeaderLen +30];
- c( l! j3 \8 A# e, V, F) { - drf1609.X31X32 = inputData[readHeaderLen +31]*256 + inputData[readHeaderLen +32];- F4 ~% i$ h- [9 h7 `1 |/ L1 [
- drf1609.preUartBraudRate = inputData[readHeaderLen +33];
7 t- Y+ ^* h0 M, ~, ~ - drf1609.preUartDataBits = inputData[readHeaderLen +34];0 l; e* a0 I Q& P
- drf1609.preUartStopBits = inputData[readHeaderLen +35];4 e5 Z- `/ o2 N
- drf1609.preUartParity = inputData[readHeaderLen +36];
+ V4 D5 v6 d1 q1 @ - drf1609.X37X38 = inputData[readHeaderLen +37]*256 + inputData[readHeaderLen +38];
( g7 ~* r5 S) c, }) I9 p8 g - drf1609.preAntennaSelect = inputData[readHeaderLen +39];
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- //-----------
( M! H1 v3 a/ q8 R9 R/ c - drf1609.shortAddress = inputData[readHeaderLen +40]*256 + inputData[readHeaderLen +41];
* `$ J. n V4 @* Y+ Z - drf1609.X42 = inputData[readHeaderLen +42];5 |2 c+ [/ I" X/ P% S2 ]: S
- drf1609.isSecurity = inputData[readHeaderLen +43]; i% ]( w+ S+ O+ M
-
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- drf1609.securityCode = inputData[readHeaderLen +44 +i];
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6 n# p. V6 m; M1 ~- result =1;+ p* }* g$ y/ `, M
- }
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5 Z% v. g8 V5 T4 G2 Q7 u- return result;6 T# }5 _! P! a \7 o
- }
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6 p% W* N" B: e( Q( I1 Q' R( o% d接着比较读出来的节点类型与要设置的节点类型是否一致,如果不一致的话,就重新写入要设置的节点类型: - if( drf1609H_setPontType != drf1609H_readPointType )
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: n, Q1 e9 q, e+ Y) L写的过程:
! N; ]4 t; E; `1,产生写入参数. ~+ V/ F! a, x# z; b
2,写入% `; s* L0 o3 y- b
3,接收回复的参数,看看写入是否正确
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& v- Y* `/ v U% H7 ]$ ~- getWriteIns(drf1609);
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0 c" i5 s* b0 i. M0 b- drf1609h_writeModule();, ?7 m: Q* O/ O! Z5 V1 I
- HAL_UART_Receive( &huart1, receivedConfigData, 5, 500 );
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# i( K" ?: k6 m3 e% u1 ], Y* z8 b. i4 L写入正确以后,则重启模块(注意:DRF1609H的写入参数生效,都需要重启),这里是用一个IO口,控制DRF1609H的RESET脚拉低重启。% ~ ]: z- h x# l% y1 D* c
- if( is_InsBack(receivedConfigData, 5) ), F0 a* M* l' u7 \/ n) U
- {
2 m5 Z7 A" i N4 J5 P9 E5 q0 _ - if(receivedConfigData[2] == 0x0A)
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- drf1609h_reset();1 z/ Z1 n! o' @. M [/ Z7 s/ i
- HAL_Delay(2000);- i$ }- B6 D, o: J" N
- drf1609h_status = drf1609h_powerOn;- X- X1 R1 `# R; V( _
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- else
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- errorStart=1;; ^3 O' t- S& @% K4 Y: W6 m
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- else/ u4 s1 J. R4 ?% k
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- errorStart=1;
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需要注意的是,getWriteIns(drf1609),这个函数是把drf1609结构体,直接变换成写入指令,建议用户不要修改这部分,直接拷贝使用: r0 A8 M+ D9 g% |& p- `
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- //---------------------------------------------------% r5 W3 F5 Z3 L% o% h1 @6 O
- void getWriteIns(_zigbeeParameters inputParameter)
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- uint8_t i=0;' X$ D! e8 H" A' G& G; e7 j
- uint8_t tempXY=0;
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- writeIns[0]= 0xFC;
* Z. U) l" V9 d0 M$ O - writeIns[1]= 0x27;$ q3 I7 l b( D7 R" E+ K& g
- writeIns[2]= 0x07;
5 V8 h& S" J; K: |9 U - - ^9 u1 P1 Q8 P0 b+ }, m% f0 r& I
- writeIns[writeHeaderLen +0]= inputParameter.pointType;
' z- F* e" N# C; V6 v. @+ D; f' ^, Q - writeIns[writeHeaderLen +1]= (inputParameter.PAN_ID & 0xFF00)>>8;
9 S1 S- I6 q1 `. m - writeIns[writeHeaderLen +2]= inputParameter.PAN_ID & 0x00FF;
9 G1 i8 O* i1 ?7 s* I6 P - writeIns[writeHeaderLen +3]= inputParameter.Channel;+ D% Y* K# o* \5 K4 d ~0 C& ^
- writeIns[writeHeaderLen +4]= inputParameter.transferModel;
3 }+ t! S3 R( y0 c- L' z2 R - writeIns[writeHeaderLen +5]= (inputParameter.userAddress & 0xFF00)>>8;! m" p7 D) Z3 t: `
- writeIns[writeHeaderLen +6]= inputParameter.userAddress & 0x00FF;$ ?# k& O U7 o! }2 V) s) t) E C& ^
- writeIns[writeHeaderLen +7]= (inputParameter.X7X8 & 0xFF00)>>8;
8 R2 c" m( I5 F7 l9 H - writeIns[writeHeaderLen +8]= inputParameter.X7X8 & 0x00FF;+ [" u# Z& f2 [
- writeIns[writeHeaderLen +9]= inputParameter.uartBraudRate;
: h* x) p( k' ^* E% u4 A - writeIns[writeHeaderLen +10]= inputParameter.uartDataBits;
- {: M; ?( ^4 S$ k7 E% `( p4 q - writeIns[writeHeaderLen +11]= inputParameter.uartStopBits;
1 K3 _' ~2 h, u3 z# {. ` - writeIns[writeHeaderLen +12]= inputParameter.uartParity;8 e: ^! \3 O3 T: F
- writeIns[writeHeaderLen +13]= (inputParameter.X13X14 & 0xFF00)>>8;( F6 E i. ~$ x. q
- writeIns[writeHeaderLen +14]= inputParameter.X13X14 & 0x00FF;0 V# |( U( i: a8 x4 |
- writeIns[writeHeaderLen +15]= inputParameter.antennaSelect;" N; p$ U* l% {$ l8 j3 o- B# _
-
/ Z& G9 f( J/ t - writeIns[writeHeaderLen +16]= inputParameter.prePointType;
4 N4 C; C& F) Y' a: J$ _ - writeIns[writeHeaderLen +17]= (inputParameter.prePAN_ID & 0xFF00)>>8;
( E# j3 Q. ?* q - writeIns[writeHeaderLen +18]= inputParameter.prePAN_ID & 0x00FF;
, L' A6 R. a5 I7 B - writeIns[writeHeaderLen +19]= inputParameter.preChannel;% `% H4 X) @, i+ l& C# G. V/ j
- writeIns[writeHeaderLen +20]= inputParameter.preTransferModel;: [2 ], z+ }4 e
- writeIns[writeHeaderLen +21]= (inputParameter.preUserAddress & 0xFF00)>>8;
) R: c. | c& d. [# g( F2 j - writeIns[writeHeaderLen +22]= inputParameter.preUserAddress & 0x00FF;
1 {/ z# h B; K: f8 N/ R8 i - writeIns[writeHeaderLen +23]= (inputParameter.X31X32 & 0xFF00)>>8; //--AS ReadParameter's X31 X32
5 @" _. B5 g& k2 x - writeIns[writeHeaderLen +24]= inputParameter.X31X32 & 0x00FF; //--AS ReadParameter's X31 X32: U6 S, R% Z' _1 B7 H$ J
- writeIns[writeHeaderLen +25]= inputParameter.preUartBraudRate;
7 s3 G9 Q1 Y5 j. f) i( a1 S - writeIns[writeHeaderLen +26]= inputParameter.preUartDataBits;
& T3 `& H: `; _, Y W - writeIns[writeHeaderLen +27]= inputParameter.preUartStopBits;) H7 ]# C+ k! E8 p3 H
- writeIns[writeHeaderLen +28]= inputParameter.preUartParity;
" e+ w; Z, K: S& i - writeIns[writeHeaderLen +29]= (inputParameter.X37X38 & 0xFF00)>>8; //--AS ReadParameter's X37 X38
: s- i0 H; e ?* D% X - writeIns[writeHeaderLen +30]= inputParameter.X37X38 & 0x00FF; //--AS ReadParameter's X37 X381 b( Q# s) R q& o
- writeIns[writeHeaderLen +31]= inputParameter.preAntennaSelect;
+ O! v) |' W2 n3 @ - writeIns[writeHeaderLen +32]= 0x1;
. b. X8 P% D ^0 ` - writeIns[writeHeaderLen +33]= inputParameter.isSecurity;3 s7 q7 t7 T( }, U( K# {( O
-
& \& t: o: _0 E/ c6 g8 f C5 r/ ? - for(i=0; i<4; i++)
# C& g+ \: S8 B: f8 w; C) | - {
7 S9 ^- ^3 l- @7 f6 {6 W - writeIns[writeHeaderLen +34 +i]= inputParameter.securityCode<span style="font-style: italic;"><span style="font-style: normal;">;
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-
: l+ w* J2 K# [ - tempXY = getXY(writeIns, writeInsLen);# c+ R$ G5 T# |7 P8 m" O1 t
-
* t r% w7 O0 K9 M4 ` M$ Y - writeIns[writeInsLen-1]= tempXY;
! C, t- v# q1 U4 @: {( a( d4 j - }</span></span>
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* L7 e+ x, b0 _ l; ]; e* M2,检测节点是否加入网络: I( A7 M- z! [& h5 Y+ o! S
检测节点是否加入网络,我们这里使用了读取DRF1609H节点信号强度指令,如果读取信号强度成功(回复的数据是正确的),则表明DRF1609H已经加入了网络并且与Coordinator通讯正常。% h8 i" v' O1 ?8 O9 f8 D' c& K, @
这个函数用来检测DRF1609H是否加入了网络,加入则回复1,没有则回复0:
3 U& R9 u( q/ h8 L5 X3 s: |) Y0 ^注意:这里是检测10次,没有加入也回复1,主要考虑在低功耗情况下,如果Coordinator没有开机,如果节点一直检测,则对耗电不利,用户应根据实际情况修改使用。
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- uint8_t drf1609h_isJoinedNet(); g% o r! x U( f) ~- Z4 f' h0 y2 ?6 V
- 1
0 N" N" V5 k# o$ E; _ - //----------------------
! X9 T8 o/ ? U; A- \5 r$ P. z% ` - uint8_t drf1609h_isJoinedNet()) d1 B& c- d9 b: z* k4 X
- {
6 Y3 c6 c0 Y$ A* T, x [. n - uint8_t result=0;
3 h. X6 d' U5 ^; H3 N - uint8_t i=0;
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2 o: Y$ K6 i. F& _4 v- Z# B- //MX_USART1_UART_Init();
+ @8 _- M" `3 J - //HAL_Delay(10);
" S, _; r+ V/ k0 d - for(i=0; i<8; i++)! w" d. _1 D3 H7 n$ ^
- {
+ Y% _$ T$ h" p; O2 O7 Q - receivedSignalData<span style="font-style: italic;"><span style="font-style: normal;">=0;+ ^/ S2 I' m+ F' B, a. a9 E
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, m5 e9 }/ ~8 s x0 w- drf1609h_requestSignalIndex();
, W2 P# z- k4 t. ^& D! L; ^ E$ I0 x; w - HAL_UART_Receive( &huart1, receivedSignalData, 8, 500 );* ] Z1 C# R2 W% k: @1 t
- HAL_Delay(1000);
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- if( checkSignalData(receivedSignalData, 8) )
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1 w9 y% M, W+ G2 ~9 ?$ p1 o5 M5 [ - result=1;
0 q6 S9 G7 p2 T4 B; D' Q0 n$ a - receivedSignalData[8] = drf1609.pointType;7 N- y3 k# u3 E+ V
- HAL_UART_Transmit_DMA( &huart1, receivedSignalData, 9 );5 O' S* A, K0 G& S5 @, G
- }
0 A1 E0 h! j' Y' N& w: U% g6 X6 O" S - else
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- haveTryToJoinTimers++;; U c6 N) ?: d" Z/ v H, e/ d
- if(haveTryToJoinTimers >= maxJoinTimers)2 B9 p% V' `$ P
- {
( u8 l3 \& ~4 s& ]# H - result=1;
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- else
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- result=0;" n' X/ ^7 u. }: y
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- return result;' D; t& P, o! v$ x- ]7 }
- }</span></span>
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检测的过程:3 E3 j. w3 d0 a# h7 w
1,发送读取信号强度指令; x6 T n9 n6 U, R- M
2,等待接收回复数据
9 c v) t' { ] s3,如果接收回复数据成功(已经加入网络),这里将收到的数据加上自己的节点类型发送给Coordinator,通知节点已经加入成功6 W( B9 }2 M+ N6 y
4 \! L( L6 J `; t: l2 y- drf1609h_requestSignalIndex();. g H) ~- |( {% W+ h2 c/ H5 d
- HAL_UART_Receive( &huart1, receivedSignalData, 8, 500 );
5 g7 \5 p! H5 A: m" H9 R1 B - HAL_Delay(1000);& J, ~5 H. Z$ g1 A* i
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- if( checkSignalData(receivedSignalData, 8) )
% [$ e' z& |' d* s" G: ` - {
9 G9 P5 F* O: G- _6 D W9 Q9 O; X - result=1;
: n2 A" u2 L6 h' M' _9 @ - receivedSignalData[8] = drf1609.pointType; I4 f1 H2 d% ]( q. U
- HAL_UART_Transmit_DMA( &huart1, receivedSignalData, 9 );0 C4 L+ k& J- Z$ i7 v2 J* W K
- }
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3,启动节点自动加入网络
) J4 e9 M$ w% d: H+ t' C2 r% `如果连按三次DRF1609H的Function按键,则开始自动扫描,如果扫描到Coordinator,则可以自动加入网络,并从Coordinator处获得“给Router预设的参数”,所以节点是不要设置的,我们节点的板子上也没有把DRF1609H的串口留出来,而是通过连按三次按键,自动加入网络,自动取得参数。
# [2 O- v" Y) J |" `1,检测DRF1609H是否加入网络,用的是读取信号强度的指令 ~2 l8 k9 \3 w
2,如果没有加入网络,则启动自动加入网络! i1 t! D. |( q( m
3,启动后,等待12秒,再读取信号强度,判断是否加入了网络
& J$ S8 H7 l4 l# h% Q$ d( M注意,板子上有按键,如果是低功耗模式,建议不要启动这个功能,用按键手工加入网络,如果Coordinator没开机,一直扫描网络,会很快耗光电池。7 x# u# \5 {+ ^2 a/ X7 Q, s
4 i1 g/ C# G: k' b- //-- Do 5 timers get Signal Index ----//5 f* I5 K% H; k7 |
- for(i=0; i<5; i++)
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- drf1609h_requestSignalIndex();
6 |7 i7 Z, S9 s* h% p( T- J! Y - HAL_UART_Receive( &huart1, receivedSignalData, 8, 500 );
- R( `/ x/ U" g$ B7 P - HAL_Delay(500);' D# ]7 p0 }6 X) I) }# o
3 |* i3 |0 x1 e6 f- if( checkSignalData(receivedSignalData, 8) )
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- tempVal++;
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- }
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- notGetSignalVal++;
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- }
复制代码- drf1609h_autoJoinNet_Start();
}6 A8 d0 P) C, ~, V1 V# f) T - HAL_Delay(12000);
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' a g9 o k1 S7 `# ~进去自动加入网络的代码看看,其实就是模拟三次按键:
0 {' l0 }/ M8 P, c7 G6 [开始以后,DRF1609H上的2个灯会快闪,观察到一个灯灭,一个灯慢闪以后,说明已经加入网络。/ r' X( u( D( g7 N- P! e3 f! M
. F( k1 e# @5 t: }0 m. G- //---------------------------------------
( m2 ~6 S# O, Y# p, ]3 ]1 e, X - /* This Simulate Function Key to start
. k9 ^( A1 ^- i8 R. {+ z8 E6 |, _ - * point auto join net) Z0 F8 \5 c' I8 s# S( ^* s
- * ____ ______ ______ ______
4 c4 I: K" v& u - * |__| |__| |__|
6 I9 A0 O- g$ Y& x) [2 n; e - *
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- * ----------------------------------*/
& E0 Q$ s5 J. n - void drf1609h_autoJoinNet_Start()
( F: u/ T8 }, |1 r% y/ E - {
$ ]+ f$ p5 p' B - uint8_t i=0;1 C- ]6 {$ u1 b* r' V& O
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- set_autoJoinNetPin_output();% e: w& r1 E# d9 r6 I, ^" Y
- set_autoJoinNetPin_out_1();! D% t; c3 ^7 S f3 N2 q0 J. w
- HAL_Delay(100);' u) @: W+ r- A; m% c T3 s$ U
! c) `3 F$ }& t! }- for(i=0; i<3; i++)2 d: L4 x& i2 ]( K) ^1 j
- {
% `: j* I0 o* V, t2 \7 |& M2 G' p. a8 _) @ - set_autoJoinNetPin_out_0();
/ P- @! @6 I0 M8 }1 ^3 v - HAL_Delay(120);3 f9 [3 P7 o: o
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- set_autoJoinNetPin_out_1();
7 J* g2 s, B8 `8 m: | - HAL_Delay(200);
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/ @$ `7 F' H1 [, E' S; e- set_autoJoinNetPin_input();
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4 k) c. c% a7 V# E3 K# o4,DRF1609H的相关指令6 ?: }$ E4 }/ J" v6 H# h
主要有读取参数、读取信号强度、写入参数等指令,项目里面都已经列出来了9 y# ~4 O, L8 i/ I2 ^* f
如果需要增加其它的功能,要参考DRF1609H的说明书9 l% s: N7 v* f2 K
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- uint8_t linkIns[9] = {0xFC, 0x06, 0x04, 0x44, 0x54, 0x4B, 0x52, 0x46, 0x81}; //---INS01; Q& P$ E7 f3 x; R4 p1 V6 [# E
- uint8_t restartIns[9] = {0xFC, 0x06, 0x06, 0x44, 0x54, 0x4B, 0xAA, 0xBB, 0x50}; //---INS02
) u5 `8 q, \5 @& s, d - uint8_t readIns[9] = {0xFC, 0x06, 0x0E, 0x44, 0x54, 0x4B, 0x52, 0x46, 0x8B}; //---INS05
1 d/ Z/ |8 N# `: d l - uint8_t writeIns[42]; //--INS06
4 W6 |5 k5 |, ` - uint8_t requestSignalIns[9] = {0xFC, 0x06, 0x0C, 0x44, 0x54, 0x4B, 0x52, 0x46, 0x89}; //--INS08
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