1,修改代码的地方
2 ]: a* o! Q+ H6 Z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:: y! \; X: h1 X6 b/ n- s% y( a$ w" _
/* USER CODE BEGIN 1*/3 Q/ }0 e% s* c+ s {! E$ M) U
/* USER CODE END 1*/# t- p- {$ Z5 |+ S& ~
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。+ ]* f2 G& y7 f
另外,对于自动产生的代码,尽量不要修改。# T0 A3 g0 g$ l; i5 D
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2,MCU本身的初始化0 T- u4 q2 w a7 w c/ H
这里主要包括时钟、IO口、Timer、串口等的初始化
7 U9 ]: U, i2 Y% _. j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 E1 H8 U0 v% h9 |6 x
- int main(void)! d* ?! V& A$ L4 E
- {
: L2 U6 v% _( `5 U3 D* X e - /* USER CODE BEGIN 1 *// q7 \ A& r- Q% M4 I# B+ A. z
- 1 x" }6 A. D/ l8 ^0 ?
- /* USER CODE END 1 */. d2 W3 Z6 k* y# n N# u# `
- 9 y, s: _ S( D7 `9 c5 Y
, Y# d5 M w6 |! [- S/ l" c- /* MCU Configuration--------------------------------------------------------*/
# j/ p$ }, Q% |5 |3 M
# T; Y. Z/ y7 y( u! u- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
; J4 h( x% }2 p: I - HAL_Init();
2 \% T! J- U5 c$ r+ b, Y - ' G- _! u6 @! e6 o/ e& p" y0 Z
- /* USER CODE BEGIN Init */
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- /* USER CODE END Init */
- G4 [7 [1 R- C+ J/ { ^" v/ K/ ] - : E* V: K3 F; D, R
- /* Configure the system clock */
# B- w# _5 u& } - SystemClock_Config();, n) S/ s3 Y0 g9 e9 M+ D$ l6 q
: U6 V) F+ Y8 J" J- /* USER CODE BEGIN SysInit *// U2 O+ h8 T P9 G
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- /* USER CODE END SysInit */
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- /* Initialize all configured peripherals */2 K- g T6 F3 g Y4 o
- MX_GPIO_Init();
* e) f2 z( X9 X9 L* g6 {0 ^ - MX_DMA_Init();# {- O$ ]0 g0 s" ?2 h
- MX_TIM3_Init();
& T8 k, G4 p. S; z, ] - MX_USART1_UART_Init();
% ?1 c2 V1 K( `1 x9 _/ q- V' i. `2 Y - MX_USART2_UART_Init();; l2 X% c3 A5 U5 L0 O% p) U$ Z
- //MX_IWDG_Init();& P( T" _; X' q7 F$ u
- MX_RTC_Init();
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3,MCU初始化,读写内部FLASH,写自定义配置9 M/ S& Y% w5 ]: C0 y2 C
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。
1 k% N4 N! t- B C这是写自定义配置的入口:
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/ Q7 k6 p# C9 \8 p+ y0 X2 b- /* USER CODE BEGIN 2 */
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- //---1, MCU CONFIGURE ------------# A4 Z; \7 R2 J9 u
- thisMCU_init();
复制代码 进去看一下:) S8 I5 J- I0 x: J
这里是读FLASH的程序:这里是从baseFlashAdd31地址开始,读40个字节
* {2 G6 Q3 M3 V2 P. kbaseFlashAdd31=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。
3 Z. O9 e' G, p& d( a) R- //-----------------------------+ v3 |& N t- v8 `% t: i7 }6 y
- void dtkReadConfigure(void)
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- dtkReadFlash(baseFlashAdd31, 40);1 L9 N3 }! Y4 k
- }
复制代码- //-----------------------------
/ b! p, {1 M! a, L - void dtkReadFlash(uint32_t startAdd, uint16_t countToRead)
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- __IO uint32_t data32 = 0;
, H& q) ?) X9 B: h" e, X5 Z0 ` w2 m - uint8_t i=0;8 x4 p+ j0 S. \8 P
- uint32_t tempAdd=0;5 u8 Q" o: u0 {# l0 P7 k: c) c
E; N! {' d) _ Y @/ ]- tempAdd = startAdd;
* A. @8 m A- A. G. J/ Q; F - for(i=0; i<countToRead; i=i+4)+ Y; p0 @' W6 E, c
- {
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- data32 = *(__IO uint32_t *)tempAdd;
4 a' t4 K8 l$ r* Q - //startAdd= startAdd+4;4 `- ~# o3 z; E5 J! \% e
( b# i/ H3 t b' N( D5 ?- dtkReadedConfig<i> = (data32>>24) & 0x000000FF;
4 J- y7 |7 K1 s0 ~ - </i> dtkReadedConfig[i+1] = (data32>>16) & 0x000000FF;8 H# {! H$ h0 d3 T6 f
- dtkReadedConfig[i+2] = (data32>>8) & 0x000000FF;9 ?( Q3 a: ^" H! |
- dtkReadedConfig[i+3] = data32 & 0x000000FF;9 |8 S. q9 J: A% h+ H) ?
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- tempAdd = tempAdd +4;. I v7 }6 I& R# X
- }( u* x& y. l7 o$ g9 f- h1 C
- }
复制代码- //-----扇区 32 -------------------------- N) X2 f. o8 [1 @# }
- #define baseFlashAdd31 0x0800F800
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/ O! p! m9 ^; d4 d/ h7 ~下面是写FLASH的程序:- {) r3 Z# ?! o5 S+ n3 Q
8 Q! a9 P! `' ~9 j- void dtkWriteConfigure(void)
6 j8 c j% L9 S6 ` - {
' F& G& Q8 `6 A2 z( v; ~5 r - dtkWriteFlash(baseFlashAdd31, dtkWritedConfig, 40);) ]. t8 R3 [$ h3 ~" I' B5 U
- }
复制代码- /* -----------------------------------------------------------------; Q$ i4 ~- A" \; ~) f
- * startAdd: 必须为某一页的起始地址:baseFlashAdd60 -baseFlashAdd63
8 R5 ]+ i$ N: G* U8 a+ i4 x4 f - * countToWrite必须为8的倍数(即一次写入为Two Word的倍数)! J; L* Q6 f8 r# {8 {7 H! \8 b! Y
- *' u" k6 K) p; k% z
- * ----------------------------------------------------------------*/
/ K: N+ h$ R) { K: @6 N' z" O - void dtkWriteFlash(uint32_t startAdd, uint8_t *writeData, uint16_t countToWrite)
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- uint32_t i=0;, k/ j/ G# k+ I
- uint64_t tempWriteData;) w0 o4 N6 _" }" ]; E% ]
- uint32_t tempWriteAdd;$ ` W; A. I' @. L
- HAL_StatusTypeDef status;+ g! M$ C+ {! A
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- uint32_t tempW1=0;, a* @$ w6 G1 g2 j
- uint32_t tempW2=0;
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- HAL_FLASH_Unlock();
3 c; a4 G" ]1 b( q+ Z( S k0 { - //HAL_FLASH_Unlock();1 N% c% {2 d$ z; E5 `3 u, I
( x2 @5 x8 u1 [; W& ~5 y- FLASH_EraseInitTypeDef f;
- s$ l5 _* U# ]! G5 T; ~7 A - f.TypeErase = FLASH_TYPEERASE_PAGES;
' e4 m( O5 W# O5 H" b - f.Page = 31; //--只读写Page31的内容(即最后一个Page,2K字节; n+ k" N0 c0 e2 N$ U/ Q( J6 v
- f.NbPages = 1;
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- uint32_t PageError = 0;- H' q3 i0 E; Z% h( K
! v! |& A$ j" ^) F) j- HAL_FLASHEx_Erase(&f, &PageError);; g7 D: _/ K$ v) ~0 x
% J/ }* P( t3 T- for(i=0; i<countToWrite ; i=i+8)' S, ]& |4 V. P; |
- {
, y6 X! Q, j+ E: q1 W; b - tempW1=0;
1 U' m+ Y+ l6 `% n; j - tempW2=0;
x2 O/ L7 O, { - tempWriteData=0;4 E; j" V- k/ [& N6 V
4 P% H$ J2 |1 @2 T. l$ a- <span style="font-style: italic;"><span style="font-style: normal;"> tempW1 = writeData;; ^6 o' T# @# [
- tempW1 = tempW1<<8;
, K3 X2 z9 C( ^) O" R, s. ]. i - tempW1 = tempW1 | writeData[i+1];
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/ o) {* u, c; b4 Q3 f9 L, U$ q! F- tempW1 = tempW1<<8;
: k! M- N' {/ R l - tempW1 = tempW1 | writeData[i+2];
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- tempW1 = tempW1<<8;
6 O" T* q5 U/ Q, n* | - tempW1 = tempW1 | writeData[i+3];: g( z" S0 \4 F5 B! L# M: N ~
- $ b( x$ I+ U% j3 B! b9 G7 ~5 U$ Y
9 q, J6 B; t* t3 a a6 r8 F. s- tempW2 = writeData[i+4];
* W, o$ u* w+ I. K% e y - tempW2 = tempW2<<8;
! Y% t) Z( M: ], J5 _ x& U - tempW2 = tempW2 | writeData[i+5];+ v6 V3 g9 D- O2 h$ U; f- n5 U3 W6 R
* [) @* Z7 M6 f4 g' ~" M- tempW2 = tempW2<<8;- P0 X4 d/ B* w6 _& p c
- tempW2 = tempW2 | writeData[i+6];$ ~ c: |( O( T W6 n- \9 `( _
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- tempW2 = tempW2<<8;- N, K5 f* V! t, k; a9 n
- tempW2 = tempW2 | writeData[i+7]; ?1 n C5 E. J [1 _3 }' O
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- tempWriteData = tempWriteData|tempW2;
% J/ J: r9 y1 R( g# K' \ } - tempWriteData = tempWriteData<<32;, ]+ h7 T# o6 U. e
- tempWriteData = tempWriteData | tempW1;
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- tempWriteAdd = startAdd + i;
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- //HAL_FLASH_Program(FLASH_TYPEPROGRAM_FAST, tempWriteAdd, tempWriteData);3 f: j8 I' v' j/ }
- HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, tempWriteAdd, tempWriteData);
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2 I2 \# N9 G! m; N$ y" f$ w- // Wait for last operation to be completed% U2 _& H' t3 ~
- status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
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3 J+ j! i2 \' G: j3 N0 [/ s( G9 d& H- // If the program operation is completed, disable the PG Bit
! I* j- j y ^3 m1 O3 H: `8 v7 H - CLEAR_BIT(FLASH->CR, FLASH_CR_PG);
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. z( {- m, Z- m% x$ B# D% q- // In case of error, stop programation procedure6 J% _# m+ E6 o4 t, k! n
- if (status != HAL_OK). j! y; b9 t: p6 u
- {
7 \+ W& S7 L# a5 L9 n4 P - break;# N8 `4 A# t4 S+ w5 }% r- m- w( w/ r
- }
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- }
' \- j5 g+ Y8 A+ ^ - }</span></span>
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7 u0 H0 j" V. d1 L7 y; k" ?: N A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。: G" A% [ E# x% M( F% Y
其它的字节没有用到。* ]1 C2 u d% n
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- //--------------& |2 _3 S3 J. g% u
- void thisMCU_init(void)3 u& h5 o+ b9 M0 s& i
- {( v& N4 U) ^- q
- uint8_t tempXY=0;% b; |3 l0 i; x1 a4 I( [- A& K1 X
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- dtkReadConfigure();
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- switch(is_dtkConfigured(dtkReadedConfig, 40))
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' k% s8 i6 B7 X. w! e) @ - case 0: //not Configured
( `1 T3 B' `' {' t/ B% Z - dtkWritedConfig[0] = 0xA5; //--是否配置 标志) O, [0 d+ X: m E& C6 {3 D
- dtkWritedConfig[1] = 0xF0; //--默认的ModBus地址' G( ^; [5 s/ [# m( B
# }" q- y4 O l) t3 S- tempXY = getXY(dtkWritedConfig,40);6 B( u0 v1 X5 Z: D
- dtkWritedConfig[39] = tempXY;
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, H) X+ F! f9 [# q- dtkWriteConfigure();
8 K2 f0 ~& J, c% ~ - break;- M- {) t9 x E
8 X1 b& n3 f7 D2 l3 r3 }6 T b0 I/ R- case 1: //configured, but error% c4 ?- S' D- s) D" ^2 S
- dtkWritedConfig[0] = 0xA5; //--是否配置 标志2 e* w e U7 ?7 d6 r1 R9 W
- dtkWritedConfig[1] = 0xF0; //--默认的ModBus地址
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- tempXY = getXY(dtkWritedConfig,40);
) y; ]4 A. W+ p4 q- J& f - dtkWritedConfig[39] = tempXY;" c/ @- |4 A# n" [2 q( t1 \, l
. j8 f0 r( U' R) A- dtkWriteConfigure();* A2 N% f9 v1 g
- break;" Q0 o9 k7 Z/ X) x2 _/ u
- J' Q- c% N9 h$ b; X+ h
- case 2: //configured, right
* R' f( h. Y$ J; \3 u6 Q - dtkModbusAdd = dtkReadedConfig[1];; ^+ y m; w* \4 `8 P
- drf1609h_status=0;4 r. N* S( f' @" J, F+ }1 A0 E1 J
- //newEventStart(EVENT_1, 2000); //--Wait DRF1609H Started - 2S
8 f( Z; a0 W# y- H3 O - //newEventStart(EVENT_4, 800); //--WatchDog refresh' k w1 I( z4 G8 ?" x- Q5 @
- break;2 U0 {8 D( ]( m2 v3 t
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- - z2 k: J3 a, O
- readDataReportModel();
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4,MCU初始化,读取本项目运行模式: h4 x V V/ U# ~2 P
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。3 [: \- X+ r# u6 k
- #define EndDeviceLowPower 1
/ A, H% @6 S0 `: E& p - #define EndDeviceWaitModbus 27 r( ?' `+ L# o
- #define RouterActiveReport 3
) w4 |3 \' A) S - #define RouterWaitModbus 4
复制代码- //--------------, `) }, h' y- w3 B c$ J5 O
- void readDataReportModel(void)
# ^* O! Z% a) p' y5 x - {7 @2 i& v3 b8 f: P) a* x
- uint8_t val1=0, val2=0;' m# R0 y+ a8 n. b- d$ O: N# b8 f" L
- / k; j2 ^& k. B9 ]; k
- val1 = HAL_GPIO_ReadPin(GPIOB, S1_Pin);
5 W$ G0 m. q' e2 w" P/ V; N - val2 = HAL_GPIO_ReadPin(GPIOB, S2_Pin);# B" b2 |7 }6 i4 z7 z7 h# p
w4 x6 K) b8 Q) K' ~. J! i% a- //---------
& D8 Y5 k! {7 y: N! ` - if( (val1==0) & (val2==0) )
& G5 I) E" E4 e" } - {
0 x3 m6 G( [* x, s0 f - sysRuningModel = EndDeviceLowPower;
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- //---------5 X5 Z0 H2 o( f' z
- if( (val1==0) & (val2==1) )
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- sysRuningModel = EndDeviceWaitModbus;
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- - Y2 d& |" X( g" s) M4 T) e1 K) U
- //---------1 c* u" O. l( j
- if( (val1==1) & (val2==0) )8 k# |7 M, }# ^
- {
2 |3 m" `- h* ?( x7 g# Y1 [# _ - sysRuningModel = RouterActiveReport;* b( a8 `* e) N% z
- }
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- //---------
" I* c ?9 W1 x8 Z - if( (val1==1) & (val2==1) )
& R g$ J* }! I* P1 f; E* Q - {
' W: D9 C( n2 B; e3 o - sysRuningModel = RouterWaitModbus;7 F$ r9 B7 l& {, b6 Z
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- 7 k3 p+ E; r! i; z( [8 g
- //--------------- ----------------3 C( z5 n6 d6 z9 }* b* O
- if(val2 ==1)
3 a. s" \& \6 G6 \ - {
5 D- L6 x- A$ [+ ?% m5 m. }7 J - dataReportModel = waitModBus;
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- else
. k3 u2 B1 y0 y; V5 ~. }( } - {
" u2 u# ?$ N0 C) I6 }+ l - dataReportModel = activeReport;# O, W/ ], w/ b2 [* Q* p
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5,LED灯的初始化
2 a. N( X. M# }8 a3 w2 D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。 D! b+ q& `7 z! k6 ?
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:7 z# s3 o$ {% ~. b% G$ [3 _. A* S
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- /* USER CODE BEGIN 1 */
& y& g/ c! s) H) E9 t1 a: M - void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)( w1 J# e( {9 b. F) Q
- {
& @+ Y# U, n7 Y* {' K - if (htim->Instance == htim3.Instance) //---Timer3 中断入口 ---------
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- LED1_FLASH();* o* p1 q7 v- u7 K
- LED2_FLASH();
* _! _! @8 r |% `+ Q; k$ @8 {7 f
, @$ [. Z. ^3 o: R- newEventCount();
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- HAL_UART_ReceivedCount();
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" A# C7 j" |; O9 z6 g6 `/ Y- //HAL_I2C_ReceivedCount();' X' A' y, Q/ z( e
- }
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/ f6 z. {; C0 T0 _: L! [4 Z) Q8 ]& [) {- /* USER CODE END 1 */
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9 q0 d4 F' a, z0 ~( T: L9 l' \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。( d O% s. F+ k8 V, s
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- //---------------------------
- S. ~& g' ] i- j; o) C, B - void LED1_FLASH(void)
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- LED1_FLASH_count++;5 Z' u8 O4 U- e t4 G
- 8 D/ Q3 P$ L& v l! A# x. y
- switch (LED1_status)
1 C8 w" v. R; a; z/ s& i - {# f6 T- n7 P" C5 b7 b0 P
- case LED_FLASH_quick:0 A2 K) |0 m* g4 I. T) ^
- if(LED1_FLASH_count <= LED1_S1)
' P% d: f2 G4 Z4 {" u) W - {
0 I7 c% Q/ o- j+ C - LED1_ON();! j4 ^' @8 b8 U& H. Z% F# o
- }
* j( @* J/ h7 @9 e* l - if( (LED1_FLASH_count > LED1_S1) && (LED1_FLASH_count <= LED1_S2) )
+ ]$ `5 z1 K) S5 L: C8 k' ~! v - {) n; V6 B2 l6 z x& _
- LED1_OFF();" y# e2 N& Z! C5 Q2 t
- }
$ e3 H9 c% P' Q% f/ f% R% Y+ r - if ( LED1_FLASH_count > LED1_S2 )
% D8 W$ g) S% N+ f - {
- T d7 W* A" T. x - LED1_FLASH_count =0;. i7 o9 z `% I c% h8 T' Q7 p+ t
- LED1_ON();
% K; X; s/ I( F/ T* o8 u - }! W& j% M) }. b+ o: u
- break;
~6 J4 a$ y% D3 g* K
; I2 q+ F: f# K H' n- J- case LED_FLASH_medium:
( \# w! G! w- B3 A! @; n' b' E - if(LED1_FLASH_count <= LED1_S1)
6 e5 A, _ v, `% I3 H- J/ o/ b - {
- k' `" w# n; s& ~ - LED1_ON();* n; M; a2 D3 D( e& p1 m
- }3 F, C$ _5 l4 s3 \& _4 f3 Q
- if( (LED1_FLASH_count > LED1_S1) && (LED1_FLASH_count <= LED1_S10) )
, s) N3 D/ \: ^) f. P - {
4 R! a% b( x9 X7 n - LED1_OFF();
. o- r- S9 z3 U% z! r t6 ^ - }
" R6 c9 @: F. o4 X6 h5 F$ `- R - if ( LED1_FLASH_count > LED1_S10 )5 {- I) @9 q4 `$ e+ x4 Z3 r
- {5 f5 m4 \: ?, H
- LED1_FLASH_count =0;; J2 M- ?1 m B% X
- LED1_ON();, L) a" n4 s7 V* {" c$ B8 o
- }5 x, g4 y \3 l* P% _
- break;
0 l3 F8 U! P% Q - & c0 A% G: ~$ c% R3 @
- case LED_FLASH_slow:
, `- M! T) v% o P) Y+ w' ?4 G+ O - if(LED1_FLASH_count <= LED1_S1)
4 c: n# }: m& o2 W+ P - {
3 r1 {0 Y0 H/ V - LED1_ON();( o5 ]% l9 P! B1 {. c. ]; }2 E
- }
9 J8 a* S+ |' N( r9 z, X! f - if( (LED1_FLASH_count > LED1_S1) && (LED1_FLASH_count <= LED1_S20) )9 ~+ o( k, W3 J7 f+ T) \( \
- {0 o+ a, o3 K6 `& R4 k4 N7 A
- LED1_OFF();
$ a0 s8 P5 i) A1 \$ b8 }# ? - }
, P- t8 H5 J$ @& O* M - if ( LED1_FLASH_count > LED1_S20 )/ L, c7 Q# B' j# @0 H" y* }
- {
x: E4 e% s! n$ `" I( |* E* o - LED1_FLASH_count =0;( b+ r; g7 ]8 s6 k4 V( W6 c( b! Q
- LED1_ON();' z3 H Z( U6 f. Z! u- p
- }$ [: d; C" r. e- Z$ G
- break;. w, J9 k2 {7 K0 r Q
- . ]/ _- o. q) @
- case LED_FLASH_on:- p0 N9 `* R2 P H- v- E& i
- LED1_FLASH_count =0;7 M9 }/ S8 o+ \3 o, T$ H7 P
- LED1_ON();
4 d2 T) H4 h5 g: o! T( E8 y7 \ - break;
$ T; b3 O: R0 W: z8 O - 1 T' ?2 K9 e# P4 R4 M0 x& F
- case LED_FLASH_off:
1 B9 X9 Q- h, b8 _) P - LED1_FLASH_count =0;
' W* x+ y- r- W% J2 c4 f, H - LED1_OFF();
$ w( \3 `1 ~, ] - break;
0 D: c3 m/ X" l - $ N6 M% y( Z# s4 h! r+ @
- case LED_FLASH_oneTime:- e, m1 D& o! j$ e5 I w
- if(LED1_FLASH_count <= LED1_S1) i% }3 g+ v( m. l+ X
- {; |9 f1 Y D2 w4 ^- n4 M& z
- LED1_ON();
9 _/ A$ @/ } y: ^$ x+ Y5 f4 u: @% U3 | - }
& m6 x4 e r( A* z N4 Q - if(LED1_FLASH_count > LED1_S1)
+ e! c1 h) f6 p# F0 a& x# } h - {9 E; i- t R) j3 w" a- E9 a
- LED1_status = LED_FLASH_off;, \6 n; J: H" V% S, o( ^
- LED1_FLASH_count =0;
& a/ i' i% z/ ?. m2 U! T( S" g - LED1_OFF();
, r3 H0 T; O! B; h/ \ - }
3 D7 o/ Y: g4 V; r - break;8 ]' [2 w; o, }+ n8 i# ?& Y7 T
- }$ r7 ?% h7 m3 U9 `) }0 r# R# Z. w3 V9 Q5 @
\5 O5 r1 M8 u- M, C6 A& l# q- if( LED1_FLASH_count > LED1_S_END)2 S" F6 U( F- K6 G$ C# q
- {
: K4 d' l# m, ~3 V* L, e: q Z$ K$ p - LED1_FLASH_count =0;
2 N& V9 W/ l1 C8 ]/ g( e3 a- I - }
' r. p- @ G* E4 u: P' s) | - }
) n; w( P# \* m& c
复制代码
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