1,修改代码的地方
6 Q5 S5 |: x) [; r' p& f+ J/ u p上一章讲到了应用CubeMX产生了项目源文件,现在用CubeIDE打开,我们会看到很多:
$ s7 a& [( t* V9 {& U9 N4 {/* USER CODE BEGIN 1*/% Y1 Z4 e! C* j1 V
/* USER CODE END 1*/
8 {4 a0 E/ F/ y就是说,你的代码要放在这些标记的中间,如果我们返回去CubeMX修改了配置,重新生成了代码,但是放在这些标记中间的代码是不会被修改的。% V5 Q, O# Z2 ~2 u. I& z
另外,对于自动产生的代码,尽量不要修改。, e' U5 m8 h. u( v
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2,MCU本身的初始化
7 D" }, U% M5 M; l* z- `这里主要包括时钟、IO口、Timer、串口等的初始化
! L" W4 |5 o2 T2 v1 x. R其中MX_IWDG_Init() 是独立看门狗的初始化,这个先把它注掉,不然不好调试
0 P# N, n6 r- A3 s( B+ \- int main(void)/ I# W! i) p8 O+ F- f: ^
- {
% p) t6 x2 W- z. M - /* USER CODE BEGIN 1 */2 i3 l* S/ k2 D! C( e, @4 H
- 3 F9 O2 \9 ?* u4 d. L# K: i
- /* USER CODE END 1 */
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- % M; f. ?5 V9 c, g
- /* MCU Configuration--------------------------------------------------------*/. y3 t- i2 |% F( H
# p+ f+ m) I4 x& @- t* v. A3 R- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */* j6 x( ^4 Y6 h; Z1 f
- HAL_Init();( E/ b0 {* M$ o+ L6 i& v0 z
- + o5 x! O5 P8 @- y# k
- /* USER CODE BEGIN Init */- |+ E# f8 i* C: \/ I
- * p2 N8 E& \3 M0 |
- /* USER CODE END Init */* o) F( l# o6 b# Y1 M' @; _: ]9 J
! c: m, r1 N8 l/ m' i3 L6 `- /* Configure the system clock */
% l- U' Q. @/ M" B7 J. D - SystemClock_Config();
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- /* USER CODE BEGIN SysInit */
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6 O( Y1 z/ l& m" r- /* USER CODE END SysInit */
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, Z/ S$ C; @" b3 ~6 N# T- /* Initialize all configured peripherals */
2 T% X* ]3 B3 J8 u - MX_GPIO_Init();" Y1 n9 T" w( `& v
- MX_DMA_Init();" t" a s+ t: A& h Z/ p# X
- MX_TIM3_Init();+ b$ c7 |/ W+ K) q: g; e2 m9 r* J
- MX_USART1_UART_Init();5 h5 B1 v1 b+ d4 Z
- MX_USART2_UART_Init();
' K+ V. P/ X6 c' X \- w - //MX_IWDG_Init();) x, j9 U6 Z! J0 _2 J! g
- MX_RTC_Init();
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3,MCU初始化,读写内部FLASH,写自定义配置 w: x3 ]" w: P, K$ F8 |! w% u
STM32G031C8单片机内部都有很大的内部FLASH空间,我们可以拿出一点来作为自定义的配置空间,这样就不需要额外的EEPROM,但是内部FLASH的稳定性及读写速度、读写便利性不如EEPROM,一般运行过程中,不频繁读写FLASH还是没问题的。' u0 G2 @* X7 {+ N
这是写自定义配置的入口:- y1 n! J( M1 x; T$ @
/ n3 F3 ? @, S+ M5 h3 w3 m9 g1 Y- /* USER CODE BEGIN 2 */& L3 l9 _4 a( u- [ p
- 0 o( [. ^. j8 n
- //---1, MCU CONFIGURE ------------" f r! U- h, V0 I
- thisMCU_init();
复制代码 进去看一下:: t+ p% }; x7 _3 a( p3 ]
这里是读FLASH的程序:这里是从baseFlashAdd31地址开始,读40个字节
. }9 k/ \: a$ G( e+ [baseFlashAdd31=0x0800F800,即最后一个2K的程序空间作为自定义空间,因为FLASH是整块擦除的,所以最好定义整块空间。0 C/ ?9 H& s8 w: s
- //-----------------------------3 k* d# w- n3 E/ b& }
- void dtkReadConfigure(void)* f: k; C& m) D1 S3 _
- {
, A" L+ Q2 q) A' B - dtkReadFlash(baseFlashAdd31, 40);3 F, {# q' k* G/ q
- }
复制代码- //-----------------------------
; Y/ u6 w) h4 c( o& E$ X - void dtkReadFlash(uint32_t startAdd, uint16_t countToRead)" M8 D! t2 Y/ F& q( K9 l
- {
( z a5 h9 E1 N - __IO uint32_t data32 = 0;
5 U n$ |, `( u7 b - uint8_t i=0;
0 C' S% i3 @, {! l" U& t - uint32_t tempAdd=0;( D8 H& P1 @8 L$ ^
3 B3 \. y+ g: w/ E' w" W$ Q8 e- tempAdd = startAdd;
0 h4 w4 a: Z7 k! O/ z L& a - for(i=0; i<countToRead; i=i+4)
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- 5 G6 \ q, w/ P2 K1 e
- data32 = *(__IO uint32_t *)tempAdd;
. u( W0 n P% f( o+ C) c7 W - //startAdd= startAdd+4;
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- dtkReadedConfig<i> = (data32>>24) & 0x000000FF;
1 N i6 z* m, z6 A$ ^* [ - </i> dtkReadedConfig[i+1] = (data32>>16) & 0x000000FF;, v: i/ o! T2 g* i Z1 n) m4 w+ Y0 M
- dtkReadedConfig[i+2] = (data32>>8) & 0x000000FF;- r7 f4 c* Y& c2 c5 F3 Y
- dtkReadedConfig[i+3] = data32 & 0x000000FF;
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3 z/ f' Z3 l: ^0 D' v+ f1 D7 v- tempAdd = tempAdd +4;
7 x! i; I2 L7 M8 L; O - }
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复制代码- //-----扇区 32 -------------------------
; n4 Z6 z6 m0 [: v" m9 q - #define baseFlashAdd31 0x0800F800
复制代码
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( v4 j2 w6 `; ~1 W2 M# F6 E6 [下面是写FLASH的程序:: g* W& L, Z% J6 U/ w+ u
6 C8 p) J% R6 O* t- void dtkWriteConfigure(void)( u: `: ]: Q6 V8 O% O$ J
- {* ~- J' V' j) D, }
- dtkWriteFlash(baseFlashAdd31, dtkWritedConfig, 40);. o" j) j5 m4 W
- }
复制代码- /* -----------------------------------------------------------------
+ o/ @% P8 y7 E# `3 s W4 b' A - * startAdd: 必须为某一页的起始地址:baseFlashAdd60 -baseFlashAdd63
! t$ W) L* R; { - * countToWrite必须为8的倍数(即一次写入为Two Word的倍数)7 B" J. j7 y+ T* M2 t
- *
% @9 S7 c P2 E0 D G - * ----------------------------------------------------------------*/- a* G- o" G2 N7 ]+ Y% }9 O) c4 f
- void dtkWriteFlash(uint32_t startAdd, uint8_t *writeData, uint16_t countToWrite)
: S& c, u$ j$ J, I& ^ - {
; f' @) Q( ` z# h, M9 U - uint32_t i=0;% V8 Q8 s$ T- r
- uint64_t tempWriteData;
8 y, N4 V1 R3 g9 `6 O( f# r0 J2 n' O - uint32_t tempWriteAdd;
8 }2 C3 C; m& {# t - HAL_StatusTypeDef status;6 y1 h0 ?/ u3 B
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- uint32_t tempW1=0;8 x1 ~- {, U* B2 ?9 G
- uint32_t tempW2=0;6 ]/ S0 h7 [1 y" d# R# \
/ ^' Y: r) ]/ ]$ }+ |% x: _- HAL_FLASH_Unlock();
; n R' V0 N# P8 w7 b5 @ - //HAL_FLASH_Unlock();
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- FLASH_EraseInitTypeDef f;
* b9 u b' W9 Z - f.TypeErase = FLASH_TYPEERASE_PAGES;
% A5 |& h6 W' D - f.Page = 31; //--只读写Page31的内容(即最后一个Page,2K字节
, l0 w2 L+ j: H5 j! X$ |0 \5 r- C - f.NbPages = 1;$ g! ?9 o6 e! h7 m! d
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6 I* q+ s- ^8 ^1 k2 U) X, ?% J- uint32_t PageError = 0;3 D* c$ n& Q, x& H
' y! c& S2 W7 f- HAL_FLASHEx_Erase(&f, &PageError);# J/ s' U+ J) n; D" O$ y o/ s
) E, P* s) `% ^ K Y/ W- for(i=0; i<countToWrite ; i=i+8)/ K9 v3 s) N8 i5 R K) k, }
- {
2 d3 G- S$ D! O" _% A. q - tempW1=0;
8 q, m* V7 W; V `+ N P - tempW2=0;
& @7 m5 q6 T0 c0 L0 Z/ H - tempWriteData=0;
$ x- s$ ^$ m2 ]7 |- L0 k! f - + f/ O$ Q( i: U: Y& w
- <span style="font-style: italic;"><span style="font-style: normal;"> tempW1 = writeData;
+ I+ G- E* k1 w Y; n$ s7 n - tempW1 = tempW1<<8;8 ^0 D* S: m% J+ |
- tempW1 = tempW1 | writeData[i+1];2 {$ C4 z! K& \8 |- h/ Q0 G3 {, d
" ]% q/ u0 w1 p, F( d- tempW1 = tempW1<<8;
' a9 K- t7 H7 V& \' O! x - tempW1 = tempW1 | writeData[i+2];
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- tempW1 = tempW1<<8;; s8 W5 m& G8 r* V1 X
- tempW1 = tempW1 | writeData[i+3];
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6 M* h+ n% R7 I9 i# ]- a- tempW2 = writeData[i+4];
: u4 z9 L- E% @# ]# F5 N3 [2 W8 R - tempW2 = tempW2<<8;
6 B' O2 G' @: u& \- c( L4 x$ g - tempW2 = tempW2 | writeData[i+5];3 S8 G6 ?+ T, a
- 6 k6 g. y$ d) M5 [; y* J2 Q
- tempW2 = tempW2<<8;* m* ?9 p, m9 {
- tempW2 = tempW2 | writeData[i+6];
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- tempW2 = tempW2<<8;) `; ~2 C! ~( _+ E! o+ _1 B( [
- tempW2 = tempW2 | writeData[i+7];% |) D: Z( {3 i( h J
- 9 r5 \; X$ d3 W2 P: j( x8 w
- tempWriteData = tempWriteData|tempW2;9 U5 ?2 T6 T$ a. o% N6 c7 E3 E
- tempWriteData = tempWriteData<<32;
: Y2 V, p" x* h( s2 P - tempWriteData = tempWriteData | tempW1;
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4 q# C s) Q( b _0 w( t- tempWriteAdd = startAdd + i;
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- //HAL_FLASH_Program(FLASH_TYPEPROGRAM_FAST, tempWriteAdd, tempWriteData);: B& }/ d) q4 |- c' ]
- HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, tempWriteAdd, tempWriteData);1 M6 E* \$ h! ~% ^( b, P" a
) M* h0 L0 V- d; { H- // Wait for last operation to be completed
% D6 l' ~& n1 |( _% b: t& F - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
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- // If the program operation is completed, disable the PG Bit$ L9 W% ~/ ?. E) u( i
- CLEAR_BIT(FLASH->CR, FLASH_CR_PG);1 }# L2 H; a( k/ n
- : T0 C/ c' z2 U
- // In case of error, stop programation procedure6 ]! @% p D- M, o2 F z. Z
- if (status != HAL_OK)
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' t" }9 `7 W( \% ]# O4 s5 h$ ]6 _ - break;
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- }
6 {, W2 Q/ K" o; M2 {8 I" b3 _ - }</span></span>
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在本项目中,我们开辟了40个字节的自定义配置,其中第一个字节表示配置是否写过了,如果是0xA5,表示配置已经写过了,第二个字节是ModBus地址,默认写入0xF0,最后一个字节是前面39个字节的和保留低8位(和校验),如果校验不通过,则重写FLASH。# D8 \' m' _3 p3 T" A! {
其它的字节没有用到。
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- //--------------6 Q; ?2 G; x j
- void thisMCU_init(void)% S1 B6 z' J2 m* m
- {4 A- t0 j6 n% x8 B
- uint8_t tempXY=0;* G# M7 Q- e0 t/ O) o: S# S
" y8 d5 m* A; {/ \: S6 \% ~+ Z5 R9 _- dtkReadConfigure();
6 w) e6 D# E$ m+ `0 O! D2 z4 k - & c4 S* R5 o% M. s: {% {
- switch(is_dtkConfigured(dtkReadedConfig, 40))
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( _7 M8 `$ H- U( p) `) H0 g - case 0: //not Configured4 ^, i) l3 }: |$ c; A/ T& O, ~4 f
- dtkWritedConfig[0] = 0xA5; //--是否配置 标志8 S( R/ t( N N' ?
- dtkWritedConfig[1] = 0xF0; //--默认的ModBus地址0 t5 e7 e* K! O
- / V3 z$ } E: a6 Z1 V- ? m2 b9 h
- tempXY = getXY(dtkWritedConfig,40);
2 f9 r& R: p) G4 ^ - dtkWritedConfig[39] = tempXY;
# c' I& t1 p" J, X - 0 l- ^; `1 F- y% A
- dtkWriteConfigure();
$ C2 Q: E4 b1 D4 a$ m - break;6 s c- {* {5 U; H6 B
, p2 A) n$ i# g- s( @- ?- case 1: //configured, but error+ h# ^3 I0 j" M' r0 U
- dtkWritedConfig[0] = 0xA5; //--是否配置 标志
; F" T9 x! _; {/ b% x! z - dtkWritedConfig[1] = 0xF0; //--默认的ModBus地址7 F2 _: D" A% }8 C0 }
9 q. b- ~+ d5 ]4 J5 S% v, [9 E- tempXY = getXY(dtkWritedConfig,40);
& }1 Z3 b; X$ w3 Y4 k' p - dtkWritedConfig[39] = tempXY;
- [( t( J+ P5 A/ A' q2 C& p
9 p6 i8 ^3 x4 f! i, V- dtkWriteConfigure();
6 w# a, G( m) l8 ^% w+ D0 K: h - break;7 T( u- J) a" j: v
- 1 J( Z/ ~) S D) @; ]
- case 2: //configured, right' J. @% f$ e; C& q) Q* q
- dtkModbusAdd = dtkReadedConfig[1];
3 Q; D! f" g n) d3 t% P - drf1609h_status=0;
* Z+ C% D( S& r; [2 O% L - //newEventStart(EVENT_1, 2000); //--Wait DRF1609H Started - 2S& x8 m ?3 N( r1 p+ o0 ?( F
- //newEventStart(EVENT_4, 800); //--WatchDog refresh
) G) |1 E# q5 d - break; l. k3 ~& j" Q9 {( {
- }& m8 d! I- l! A. F8 N- b
- 6 x/ c2 P, |& b) C! L
- readDataReportModel();
/ |$ ~; M) T) H0 r& O8 P, X& ? - }
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+ o5 b) n) b" r% K- D4,MCU初始化,读取本项目运行模式
. `7 N: @- I/ \4 S$ \7 L主要是读取IO口S1,S2的状态,组合成有4种运行模式:就是分别将DRF1609H设置为Router或End Device,主动上报数据或等待ModBus指令上报数据,其中如果将DRF1609H设置成End Device,同时是自动上报数据,则自动进入低功耗上报数据状态。8 J) `/ G5 O! V8 d C" ]1 T# U
- #define EndDeviceLowPower 1
2 |% u( o+ J* H- m - #define EndDeviceWaitModbus 2: t( u5 l6 I1 Q, p( ^: E
- #define RouterActiveReport 3
: m7 k) t: a( ^6 D4 E. z. w - #define RouterWaitModbus 4
复制代码- //--------------2 `* ]$ I( p {0 r
- void readDataReportModel(void); C3 D) }% N' @/ j; M
- {2 Y2 }$ l8 \5 g
- uint8_t val1=0, val2=0;
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- val1 = HAL_GPIO_ReadPin(GPIOB, S1_Pin);) Q& S `) Y! w5 ]% k
- val2 = HAL_GPIO_ReadPin(GPIOB, S2_Pin);
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& X$ F( W0 C( ~- //---------( [4 K( m+ Q+ f. d# U$ @
- if( (val1==0) & (val2==0) )+ _/ k* }9 F T$ @, ]8 w7 T) |/ k
- {
. q/ |/ I; o% C - sysRuningModel = EndDeviceLowPower;
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- 0 L7 Z# M/ r7 y2 j9 z% u) N+ \
- //---------) t9 B; R" U. V( ~/ T& O; N
- if( (val1==0) & (val2==1) )5 D4 Y/ W' F, Z6 l- E4 _- X
- {- C6 }; r3 u" s9 @9 w! D: N
- sysRuningModel = EndDeviceWaitModbus;% R, }2 g `) y( n# n; r1 z
- }
- _) M) m( P7 T0 {) O# y) |
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* Y" K; z n% L2 o' x) d1 f" b- //---------
" q% l. {% ~5 h' s8 \+ v* H) o - if( (val1==1) & (val2==0) )
( {" ~0 s, H( i# @6 L/ i! H - {+ ^. B8 N& F& L3 u( C
- sysRuningModel = RouterActiveReport;
- Y9 a' }- c) C% ~' j+ S" e8 w - }& a4 M- i7 Y t J& n4 ?
$ x$ Q( O1 s2 w6 S. j- //---------
6 s# X8 y% e+ G/ T' D) V& W. o - if( (val1==1) & (val2==1) )
8 p0 B# g4 ]- F# s! w M/ B9 S - {
; m5 u6 g7 k! x - sysRuningModel = RouterWaitModbus;7 K: I: `8 b4 ^$ ], n5 B! e6 z
- }
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- U4 A& g' n+ s8 a3 C( y! D
% k' H# t1 t" r+ c. I- //--------------- ----------------- X8 c( h; i j v" }7 A9 e5 ?- y# P
- if(val2 ==1)
6 ]5 n- |- m: [/ M/ u" ^; h" B6 m - {
- f+ U. z$ i* b - dataReportModel = waitModBus;" Q9 S& l$ d. s. f1 l9 {: z2 Q! E
- }
0 S }6 d* l+ D3 [/ @ - else
0 Q9 f/ h: {% g5 g8 H8 L - {
6 _' G, M- ~ b( j! \ - dataReportModel = activeReport; a+ P# a! X6 ^5 l
- }
5 D% f- Q) B0 D
% ?& R z( L7 L/ }. h8 I0 G" A5 K* Y- }
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7 ^3 P. l q* s4 o& i. e& m5,LED灯的初始化; D3 t8 Q6 ~( S
本项目中用了2个LED,LED1周期性的闪,用来指示软件是否正常运行,LED2用来指示DRF160H是否加入网络及数据的收发。9 u8 ]! k7 f0 s/ x* ]; P
LED的闪,我们用到了Timer3的中断,在Timer3的中断里计时,控制LED的闪、灭时间,首先在time.c文件里加上Timer3的中断函数:5 G, \! l+ f) q# B! w7 m0 ~8 E
; B# H& [- R4 s
- /* USER CODE BEGIN 1 */4 [1 q. ?# j9 h$ ^
- void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
: B# v, M9 V1 m7 U - {
: I* N7 Q. T; s) H$ m - if (htim->Instance == htim3.Instance) //---Timer3 中断入口 ---------9 h6 d7 l' w: g# L% N, l
- {/ I$ A) ?( _" Y: ]
- LED1_FLASH();
' r1 y0 W5 U! a2 l# q, O - LED2_FLASH();
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, Y( }2 }$ Z& d! w8 v- newEventCount();
. {, ]! S# v3 A, v0 x3 g+ ^ - . k3 i! K) S/ o4 A- j0 n. e$ F
- HAL_UART_ReceivedCount();
% j% Y w) _& N6 x* U2 s! J4 W- i
w; ] `5 r1 K* B0 s! A- //HAL_I2C_ReceivedCount();! ^% H* v1 [6 b# A6 E
- }
# U7 J# i3 W2 ~/ i* `1 X - }: ^4 g2 q6 w* D9 d h
* ], d i" w% l- /* USER CODE END 1 */
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' a1 S% F* b+ i3 h4 ]1 s n即每次timer3中断后,都会执行下LED1_FLASH(),再进去里面看看:原来是控制LED1闪的速度。
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' E; ?, Q7 {3 L- //---------------------------
. V' V2 K( b5 T2 Z. }- }( M - void LED1_FLASH(void)! x. `% U) W4 @0 w. q
- {5 f, M# [3 A5 U- j' P6 K" P
- LED1_FLASH_count++;
- M4 ~& ?: e- q) r1 N; N$ \ - 4 T+ R0 l! k8 m1 q" x
- switch (LED1_status)
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- case LED_FLASH_quick:
$ ]0 y+ W% Z2 x+ y$ a7 ] - if(LED1_FLASH_count <= LED1_S1)
3 P+ }; o2 w3 u6 ]3 ~ - {
- Z$ v+ {! |& m - LED1_ON();
7 ^# [ `; e# ?9 a - }
; d8 y: R& x$ L - if( (LED1_FLASH_count > LED1_S1) && (LED1_FLASH_count <= LED1_S2) )
; {4 M B/ K' i - {# C- |# C! R# H4 d8 F+ n
- LED1_OFF();
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- if ( LED1_FLASH_count > LED1_S2 )
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6 n4 ` ^( R9 O" _) G2 M - LED1_FLASH_count =0;
8 `" o9 r( F- z# v) r; o - LED1_ON();8 J$ H& P0 I1 {" P0 Y
- }$ Z, r# ~9 B5 H9 L6 j
- break;
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+ r1 [. C# Z' G O; b/ d- case LED_FLASH_medium:* p4 o+ [. v( _ ?& \9 K
- if(LED1_FLASH_count <= LED1_S1)
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- LED1_ON();
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- if( (LED1_FLASH_count > LED1_S1) && (LED1_FLASH_count <= LED1_S10) )
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- LED1_OFF();
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K+ ?9 y- Z& |) j6 x - if ( LED1_FLASH_count > LED1_S10 )' w) `/ F R0 V- M5 v) L) f s
- {
& c6 E9 c- N7 w - LED1_FLASH_count =0;
N+ K( ?, e$ V0 H8 ?. w, w- d - LED1_ON();0 E0 C! L* Y+ ^6 p/ X& a$ }5 L& k
- }5 b$ c: @( B9 k
- break;) Z7 k& L/ L, r
' g- K; R+ e: Y9 u- case LED_FLASH_slow:+ E0 j% C4 ]' `: _+ L
- if(LED1_FLASH_count <= LED1_S1)
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. B; v, W/ [& \; p( q9 T - LED1_ON();* e! [# [' b4 B' Z' c4 H0 O
- }6 ^4 H- H9 ~6 v
- if( (LED1_FLASH_count > LED1_S1) && (LED1_FLASH_count <= LED1_S20) )
. S7 Q8 U z! s/ a - {
# v, u I4 j. M - LED1_OFF();7 _/ i" l. D+ c3 D! a
- }+ z: G* N# ~5 d& x% w0 w; I. i
- if ( LED1_FLASH_count > LED1_S20 )
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- LED1_FLASH_count =0;+ g5 P' C$ C& h T, z% e: t5 P7 R- F2 `5 M
- LED1_ON();
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- g4 p6 Y- g, c, ]! g - break;
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- case LED_FLASH_on:
2 `7 A+ J1 u! S5 H/ _ - LED1_FLASH_count =0;
) C# g, v4 e, ^0 c# Z& H - LED1_ON();3 F4 @; n6 v# q6 u$ D; O
- break;8 o; q4 N/ k3 p; ] X/ t
- % F8 ^1 m) f% R7 H+ T, N0 C l
- case LED_FLASH_off:
) H) C5 F0 D" W/ Z2 o4 ]. N. A j - LED1_FLASH_count =0;
% P, H: S2 [1 {+ R: W. t - LED1_OFF();, R) w! K1 C; f5 a; A0 n6 t' H
- break;
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! f" O, ?' U+ K; h- case LED_FLASH_oneTime:9 D8 `# M A) B8 v# \3 K! ?; K
- if(LED1_FLASH_count <= LED1_S1)
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- LED1_ON();. F J( P# @: { L0 b6 Y9 {* Q! r3 @
- }$ ]6 t7 `1 X5 A0 R6 A* T
- if(LED1_FLASH_count > LED1_S1)$ a& c# u: I4 S* A2 C
- {
- l# n& w2 Y! A. D - LED1_status = LED_FLASH_off;) }: |& d; i3 u( y
- LED1_FLASH_count =0;( y' D: m8 j6 d5 q
- LED1_OFF();
( H6 D0 C' G, c3 X% Q( g- u - }9 c2 w* G0 _8 i9 x# B5 R8 M
- break;
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- : B1 z4 {2 G- x0 V7 b1 A; r
- if( LED1_FLASH_count > LED1_S_END) A" }+ _, k. s8 N1 f
- {
7 N) n$ Q+ s& ]. u) t - LED1_FLASH_count =0;
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- }' S) @' k) ]% }5 v4 y: ^- ?
复制代码
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