本文用于记录平衡自行车的制作过程,及制作中遇到的问题;总体方案如下:采用采用STM32F103C8T6作为主控单元、MPU-6050作为位姿采集单元、0.96寸OLED显示位姿、无刷电机带动动量轮调节小车平衡、1S锂电池配合5V和12V升压模块作为电源、蓝牙模块用于和微信小程序进行无线通讯和PID调试、舵机用于控制行驶方向和支撑小车。
! J, ~6 j2 ]/ y, G6 q
4 T* I0 Q* M+ {, Q
( [3 \0 ?. M( B 为了方便进行PID参数的调试,我写了一个微信小程序(蓝牙小车调试助手),操作参考视频里的介绍。PID我也不是很了解,只是照着葫芦画瓢,在定时器回调函数中定时进行PID计算,控制小车的平衡,详细到代码如下:
- M6 c# b) F) J' @; z. c' a/ j" h7 k s! W& g! Y* Z- f3 A6 Q- U
) E: d' f3 O/ C( m P
Ps:PID真是和孽畜一般的物件,以后不会再玩了,太难调试了!5 f& v5 f( a5 z& x z' R# i) K
5 Y Q: r, G. O1 q7 p6 b8 b- /* USER CODE BEGIN Header */: H) ]+ H! C3 P- k
- /**
! m# Q0 J* d0 H& u& h' `. o/ A. H - ******************************************************************************
1 p/ l. x! o. g$ k" p: Q) C9 u - * @file : main.c, V$ i0 H' H# M1 P% A: e
- * @brief : Main program body
* D# n6 I1 g1 n1 ~$ P - ******************************************************************************5 m I5 x% J' L$ u' _" L
- * @attention
D0 f* {4 E* l - *8 ~. M+ Z2 K6 X1 J; O# K) `
- * Copyright (c) 2022 STMicroelectronics.
; X8 f/ J' X; W0 t9 j$ ? - * All rights reserved.
' U" \) c% o4 c* m2 x* k9 a - *& A/ j" L; n! l7 k, U
- * This software is licensed under terms that can be found in the LICENSE file+ s3 Q3 p' e5 ]2 j C
- * in the root directory of this software component.! W5 G! y7 `, C' a$ d3 y, [, Q
- * If no LICENSE file comes with this software, it is provided AS-IS.+ j5 q2 G. F5 t: i0 q
- *
6 H5 u q8 }) W - ******************************************************************************
) A) e# K2 F8 N: P% x7 ^% h1 K - */
4 n# p5 ~4 Y! ^) V - /* USER CODE END Header */
" ^* @" q4 k: a' W6 [' K - /* Includes ------------------------------------------------------------------*/
# W6 p, C$ Z. J" [9 \1 N1 r% t$ C - #include "main.h"
! \# W# B8 s- v0 X" N) V; ^0 s - #include "dma.h"
+ H% n. F. S5 o; N6 v - #include "i2c.h"( [6 n9 u& a! l' s. w% V
- #include "tim.h"
+ {- I# O# i. P' q0 W1 s9 w( Z - #include "usart.h"( H5 ^" X$ c3 N6 k9 {
- #include "gpio.h"
6 G* j! \, j; h+ n- a - # c! W0 {' B* P) j
- /* Private includes ----------------------------------------------------------*/
- u. I9 ]4 M' U: V$ l - /* USER CODE BEGIN Includes */, {5 E! w1 Z+ @. r
6 F6 w+ n" u- |/ Z- #include "mpu6050.h"
2 ?" c( R7 y+ J; G* k - #include "stdio.h"' r1 Y: l. h0 c
- #include "stdlib.h") T8 ^3 L4 f" I- V
- #include "string.h"8 c, W) d2 B0 `# H
+ n5 H% B9 s. A8 s7 p5 x O- /* USER CODE END Includes */) _( }6 a( O' Q1 e4 `2 F
, f' o9 N! v4 F, v: e% \- /* Private typedef -----------------------------------------------------------*/( d- w; w) r, A: j% {# h) J
- /* USER CODE BEGIN PTD */
! L8 `: _$ k1 w4 ~! r( _1 g
; q8 p/ H1 a! k) C4 r- /* USER CODE END PTD */( h4 I! ~# K/ y4 }: u @' T# ?
- 7 g1 ~5 j9 p! J" J y3 f. W
- /* Private define ------------------------------------------------------------*/' A2 u F: Q; X' E
- /* USER CODE BEGIN PD */0 G7 A i! u" s$ T, p6 d4 A# {
- /* USER CODE END PD */
6 L# D" q0 L) b" V - 5 J- e# Z5 C. Q0 O$ _1 T
- /* Private macro -------------------------------------------------------------*/4 K: b' ]9 K$ ^5 T( w: p, y
- /* USER CODE BEGIN PM */( g' {4 R0 S. T- u
9 Z/ D& i( k: H5 J7 h3 u* g- /* USER CODE END PM */
" d$ }3 o% ]- S. F
9 G: U7 q$ E, R D- /* Private variables ---------------------------------------------------------*/
# \- e9 N2 p, p: O
" g2 b9 o- ]! [7 E0 t# S- /* USER CODE BEGIN PV */
, z }/ I" A2 H5 b - //定义变量接受微信小程序发送的数据
# r; A# G7 D* N& i$ @- N - uint8_t startFlag = 0;
# M4 F$ }8 V! v r8 j, ?& B - uint8_t displayFlag = 0;
( e1 K) ~2 y0 E6 C* Q% I - uint8_t driveSpeed = 0;
" Z6 x6 X0 z# p9 }- o' N# m7 [ - int16_t driveDirection = -1;0 {( Z8 U1 w$ K& e: j) s
- float tempVerticalKp,tempVerticalKi,tempVerticalKd;
; _/ W1 A, c7 F% g2 j- K - float tempVelocityKp,tempVelocityKi,tempVelocityKd;
9 y. j+ K+ J) x" M/ A- O4 C
6 H5 z) E2 D7 d. q6 ~; o- //串口通讯接受缓存区
6 _7 H5 e( Z. o' S - uint8_t bufferLen =100;% I1 i% ^' j4 W! L# g, U, O+ I
- uint8_t buffer[100];8 j! p% ?0 {! p8 E' ]' D/ H
- uint8_t bufferTr[20] = "";
V6 n& U% D" |% }! D: D3 Z' V
4 ?) T% d8 [6 _: u- extern float Pitch_Kalman;7 G6 n! W! L7 E$ }
- extern float GyroY;
P( y* u0 g) V, u - float GyroY_Lowout = 0;% f1 y8 p. m, N# N3 b7 h# R a
* |+ U7 x, B' i8 f8 [8 N5 E6 v- int16_t counterA = 0;
/ t. E+ t3 t: [$ C. I* L! Z% o _ - int16_t brushless = 0;3 h. U3 R2 \0 E# W0 }
- |( X' o2 v# s6 k0 U0 D- //Vertical Parameter4 B) D" j* n% R0 }" |' Q4 S
- float Vertical_Kp = 800,Vertical_Kd = 30;9 L# }: W. W: ]: f5 Y3 h
- float Angle = 0;////自平衡角度
( G1 Y9 x/ B# @- i0 ~ - float Angle_mid = 1;//机械中值
/ ?1 g; M1 ~/ S# Q# [% P - 2 A3 u7 @9 \7 Q2 n9 U
- //Velocity Parameter
p( P4 {0 R" r& Z! y' J6 J - float Velocity_Kp = 0.16, Velocity_Ki=0.00016;
+ }7 t$ c3 ]0 m4 z9 F - int16_t Encoder_Err=0, Encoder_Sum=0;
7 }% S# `2 S k! n+ Q, |8 | - int16_t Encoder_lowout=0;
) v7 W0 y( l0 b1 M: N8 g! J - float a=0.7; //一阶互补滤波系数
4 r' O4 ^. n. C2 M7 v; M
! S E% d7 @+ y% O
" B9 D& i2 \& c7 y/ y& Q3 `- /* USER CODE END PV */; L+ _0 @4 |/ h1 L$ |+ o
- 8 r6 ? j8 _" }9 A6 D
- /* Private function prototypes -----------------------------------------------*/
, C0 ]1 ]! M0 p8 D2 [ - void SystemClock_Config(void);. N' R8 S' a/ S. m( I
- /* USER CODE BEGIN PFP */+ H. Y- x/ C5 c; Y. ?
6 R: ~' l% k9 g" J0 D6 }- /* USER CODE END PFP */
. `7 L' F3 I& D- [& d" c7 e - % n$ v1 t* c8 I B3 p) K
- /* Private user code ---------------------------------------------------------*/, G5 V, R' d1 s/ Y" M4 S
- /* USER CODE BEGIN 0 */
* h4 W) I1 F5 \
1 U' Q4 P+ N" j4 t- void PIDControl(){( A8 ]) ]( J* v H1 r4 O
- /****************************************************************
. R; f3 k5 h5 {0 i6 g1 O2 y& { - 速度环PI控制器:
# b+ q* J Z i5 Z - 输出:期望角度,实测角度,实测角速度* h2 t, S4 p$ V" e; n! |! C$ r
- 输出:PWM输出
- l3 _, o) `2 y - ****************************************************************/
6 p1 m# A% }: |3 B- ~ - //1.计算速度偏差 Encoder_Err
! O. T" m& X0 s$ `7 B, r c - Encoder_Err = counterA;
. c7 @% l: j+ O# R - counterA = 0; B- D" ~4 F) {4 v7 m8 U, Q w
- //2.对速度偏差进行低通滤波 low_out = (1-a)*Ek+a*low_out_last;/ ^2 `& L4 Z& B+ j
- Encoder_lowout = (1-a)*Encoder_Err+a*Encoder_lowout;
# S+ K0 z* k$ [, \: v& T - //3.对速度偏差,积分出位移3 P; L% X* b4 e2 r8 o
- Encoder_Sum += Encoder_lowout;4 R! Y8 E( |0 n$ q: \. J
- if(Encoder_Sum>10000)
* e; l' g5 f7 w9 V9 ]9 O8 n) N! s - Encoder_Sum = 10000;
3 ~$ V9 C/ N. `( W( n - else if(Encoder_Sum<-10000)1 `$ e4 A+ G; x4 v# [
- Encoder_Sum = -10000;, g$ X5 u8 M# A& L0 w
- //4.速度环控制输出——期望角度
8 r! I( ^ \. v Y7 C4 ] - Angle = Velocity_Kp*Encoder_lowout + Velocity_Ki*Encoder_Sum;( Y- ?& `; _( M
- /****************************************************************
6 m \2 c! f6 i2 C - 直立环PD控制器:7 p( H7 U: j% i f, ?1 J! @' q
- 输入出:期望角度,实测角度,实测角速度
/ G; n% \ z4 ?& o - 输出:PWM输出, X6 f# o' Y' P) r4 b
- ****************************************************************/
+ `. W* c5 I3 L. O2 }1 g1 i; R - GyroY_Lowout = 0.3*GyroY + 0.7*GyroY_Lowout;4 }, f5 G1 W9 A2 D) S
- brushless =Vertical_Kp*(Pitch_Kalman - Angle_mid + Angle) + Vertical_Kd * GyroY_Lowout;
4 U' K# o" W2 R4 I6 H3 n - //brushless = Vertical_Kp*(Pitch_Kalman - Angle_mid + Angle) + Vertical_Kd * GyroY;
1 q% m$ J4 i( b1 h. [/ D - }" r7 a9 Z* \. L7 X
' e- }+ y6 k, c$ H& A5 }- /**( G1 P- |1 J' B& _
- * @brief EXTI line detection callbacks.
% v `/ k/ u0 o3 q q - * @param GPIO_Pin: Specifies the pins connected EXTI line6 F; O4 a+ j# G! q
- * @retval None
# w2 j g; J; Q ?$ w2 M1 z( P - */; Z7 [2 d% K+ H, b' V# _8 M% r
- void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)% w+ v: @2 w* f! y: n" I
- {
8 {8 g$ I/ [8 Y; R$ d' C# A6 P - //Define external interrupt function0 f) r' k: [( e8 ?+ B$ E- X* b$ U
- if(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_4) == GPIO_PIN_RESET)' R' n4 { C! U/ ~! M. s4 b, W
- counterA +=1;
8 f3 H6 \9 g' f- j0 w0 U - else. e, G4 k: ^+ }' a' h
- counterA -=1;& A. e8 @ W. z$ R
- }/ D2 K# o( M5 X
- q! ^/ N- U A" q9 u- /**" i" q7 o! W4 U* F3 D4 L+ A
- * @brief Period elapsed callback in non-blocking mode1 v+ \! v6 `/ t, p
- * @param htim TIM handle. ~; }- ^2 {: Y- g) N3 q
- * @retval None0 C* m# V9 i) C3 l+ O" B0 `
- */
5 c* j, p$ f5 t - void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim). E+ r7 M. k3 t$ G- D
- {( i. G0 e& [! Y' r. _% c
- if (htim->Instance==TIM4)0 |8 w* b8 I% y' @ j
- {' F2 w: Y$ ]1 Z3 W6 M3 B
- if(startFlag||displayFlag)
2 ]' T) A, u) p% R - {- A$ w( W5 w9 L/ L8 d
- //Timer 4 interrupt function
. h% _" N1 E8 g4 h# s# C - GetAngle();//get Pitch_Kalman and GyroY
+ H- I+ N! {+ R1 n& @ - PIDControl();
/ s- F j! ?3 V+ d% n$ ~ - if(brushless > 3600){
4 {6 K9 a+ i7 n6 D0 P2 P - brushless = 3600;5 n" Y q9 V% g* q2 _) u
- }
" [+ }+ \" G5 Y9 t* |, R - else if(brushless < -3600){5 g/ \) ?- ]! b8 g5 j8 [
- brushless = -3600;
& V) `* n) l1 N/ X% W" S - }8 _+ _$ r# A) j. D& Y
- if(brushless>=0){3 Y: ?! ?8 C3 M
- HAL_GPIO_WritePin(GPIO_DIR_GPIO_Port, GPIO_DIR_Pin, SET);
6 K) @/ f) Q- m% K2 p# U, d - __HAL_TIM_SetCompare(&htim3, TIM_CHANNEL_1,brushless);) g4 G0 M, L( @* D) o C
- }
/ b' t( K5 a% i8 E6 e - else{
! I0 J+ q, B( u6 U& ^% H# X - HAL_GPIO_WritePin(GPIO_DIR_GPIO_Port, GPIO_DIR_Pin, RESET);
3 p) }9 ^) E$ C# Y9 d8 o% V4 T - __HAL_TIM_SetCompare(&htim3, TIM_CHANNEL_1,abs(brushless));
. a7 m- y& \& I- e( y - }
6 |5 n2 Q5 c, S" h6 Z2 E - }' {$ t" k! v: ^ I! B/ V
- }
# d+ E* }% l/ S+ Y0 y g( }# y - }9 ^- P% U' n& ^8 c, u7 E# \3 K( b
0 o6 S" S! r% V0 Z! n1 }) K- //get system time us
3 m! P' |/ n2 k4 F7 v( F: A - __STATIC_INLINE uint32_t GXT_SYSTICK_IsActiveCounterFlag(void)3 v |& F3 C/ n: F; L( l
- {
- t: B; m2 i. Q1 a, e- L - return ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) == (SysTick_CTRL_COUNTFLAG_Msk));8 V# `% o, M+ |: f
- }" }. B# o. {. z6 m5 }
- static uint32_t getCurrentMicros(void)3 E8 T5 p* E. u: c7 Z
- {
! s/ [" x- W$ u0 \ p - /* Ensure COUNTFLAG is reset by reading SysTick control and status register */
) l) C5 [" G \3 ]4 o' Q x - GXT_SYSTICK_IsActiveCounterFlag();
# n; m. {3 L* c* I- J - uint32_t m = HAL_GetTick();2 r" ]: b" G5 L: b' n0 Q
- const uint32_t tms = SysTick->LOAD + 1;
; z) B" `" A7 G - __IO uint32_t u = tms - SysTick->VAL;4 ?0 f1 V: W: Q& u6 L2 e
- if (GXT_SYSTICK_IsActiveCounterFlag()) {
K) P0 W. k: I - m = HAL_GetTick();
7 |0 n" X- S' M - u = tms - SysTick->VAL;: ]4 g. [: E6 T N
- }0 ]# N& t$ m3 }
- return (m * 1000 + (u * 1000) / tms);
. A% \6 S7 G; M0 e( H' X7 s - } \5 e5 x0 z# T1 |% b c
- //
- B/ B; C' u% Z7 ~ - uint32_t micros(void)
7 s/ F0 t& J. K$ z1 Y4 d - {
# G% a* c) ?# q- }/ q) r5 P( h/ S6 U - return getCurrentMicros();
: h% T5 ?; D, g3 V/ e3 Y# r - }! {2 D# G" P$ l- f& l# h+ O
- + w# i' V( Y, k! I: x" E
- /* USER CODE END 0 */! I" L5 ?5 M2 a( A8 D
& E, B9 c- y: I' g- L- M- /**0 i4 [% ]% E4 l- \1 I' d# k) T. j% u+ j
- * @brief The application entry point.
) V% h3 G- ^4 q$ A$ B: q& h" H - * @retval int; R, }) R" U7 j: q1 h
- */9 D6 F( H! ~' B; {
- int main(void)
# U7 K# C9 ]" F+ t - {
6 ~. `8 P# U# v9 C: L) @- F - /* USER CODE BEGIN 1 */9 ]5 @, q* w7 a6 R# S* {' ]. u
- 2 d8 O. ]+ ^+ C! x6 l/ [
- /* USER CODE END 1 */; V1 J" r* w% g: F1 W
- 4 p _0 t+ _+ Y! x% f3 q/ m% B O
- /* MCU Configuration--------------------------------------------------------*/
1 Q6 o3 a2 H* z
+ G# V5 H( g [9 n" [- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
) j" t: j; c/ |' K - HAL_Init();
# Z% }8 N" ~( L) M. A$ }; Q - 8 ?! X3 [1 M) w
- /* USER CODE BEGIN Init */
$ j' l/ m1 p8 B9 j, p }
! S. H2 L+ Q& E0 R6 q4 @- /* USER CODE END Init */+ u; \7 G N9 r) z7 V- ]& v; X
- 5 g1 A" M' s: }
- /* Configure the system clock */0 g: q9 b+ t3 r* X; S! [) p0 ~$ J
- SystemClock_Config();7 J8 o$ q. n8 m. A1 G8 z
- . _1 V: O! u& T/ o4 f1 ]* I0 h
- /* USER CODE BEGIN SysInit */5 n B4 D% y$ a0 @# X
$ P% I/ _+ Z+ E: ~- /* USER CODE END SysInit */5 ?, Z1 X% U( x# o3 \6 ?
0 X k5 W+ {/ D- /* Initialize all configured peripherals */
6 N9 q/ {+ |; F - MX_GPIO_Init();
' X4 O9 @& _( `( w1 N" K" b4 @1 r - MX_DMA_Init();
3 a! w. R k0 u4 {: ` - MX_I2C1_Init();# b2 k$ _8 L" p7 j( H+ Q
- MX_USART1_UART_Init();& t0 l/ @. w3 Y% k5 b- D
- MX_TIM2_Init();. ^0 _# I2 p; [' |0 H/ b( @
- MX_TIM3_Init();$ _, c" T1 s$ c+ ]6 C( d
- MX_TIM4_Init();
$ s) Q2 u1 ^5 W; i# B# f - /* USER CODE BEGIN 2 */
$ I& d* w. N" O7 u N - R; K( K0 L, g( Q; n P
- //MPU-6050 initialization- I. R; I& B% r3 t' q5 P
- while (MPU_Init()){
/ r& f. S {% }2 A# H9 k - //printf("MPU_Init_Fail...");
. T% t" _0 }" f% v0 o, n - }! i2 x1 ]+ p- I$ H
- 6 s" c: ?- T+ x5 B# y) Q
- //Starts the TIM2 PWM. a+ V. c1 V m/ m+ ~9 a
- HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1); //direction servo
5 i! N+ M& _/ |1 ^, h - HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_2); //support servo
1 y: I5 a4 v7 Z- {9 v9 f - HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_3); //direct motor17 T; Q2 ?2 v. t) C
- HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_4); //direct motor1
& j, X2 \* ?& a! ~- Z+ I2 L - //Set Servo duty cycle 500~2500, {3 Z0 @1 k* J9 @* ~# \. ?) P
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_1,1500);
Y8 G* V( z4 H0 l5 c. ? - __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_2,500);# Q1 H/ d: o% T5 y! e9 D4 T1 U
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_3,0);
- c. ~3 P5 s. R% ]7 ]5 v8 G - __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_4,0);
+ Y" T2 F. A; A8 r' c( i7 T - / V6 | F" Z& t% K
- //Starts the TIM3 PWM., ?, n: V. e; O" y) J
- HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1); //brushless motor
4 p4 n7 [' | H2 I* | - //Set Brushless Motor duty cycle 0~3600
, G1 x2 t% N8 O - __HAL_TIM_SetCompare(&htim3, TIM_CHANNEL_1,0);$ ~- |( u( W" N7 F8 {6 U8 ~ X8 [
- HAL_GPIO_WritePin(GPIO_EN_GPIO_Port, GPIO_EN_Pin, SET);//brushless motor Enable
. Q3 l$ @5 {' J3 }1 j, a; f" Q - , z! g" g) v' r p2 m4 P% m
- //Starts the TIM4 Base generation.
% }+ a- v: V; q5 V+ a+ B& @ - HAL_TIM_Base_Start_IT(&htim4); // PID/20ms2 A( v; U7 J) W9 o+ ?+ l
+ e* s/ A2 g& S( p& E- HAL_UART_Receive_DMA(&huart1, buffer, bufferLen);
: @1 r, ?( H$ _7 `# c: _ - __HAL_UART_ENABLE_IT(&huart1, UART_IT_IDLE);//开启空闲中断
+ ~2 a& C! p7 @, H - /* USER CODE END 2 */7 x' m7 ^3 F* u& r C
- 1 {' S2 f5 W( S; D# u
- /* Infinite loop */
& L4 o# r S. W0 W" d8 h - /* USER CODE BEGIN WHILE */
$ O7 n! N" [5 A+ L: b, M( D - while (1)3 ]9 ?: Z k7 K* D$ L1 ^ U
- {
0 u, ^2 X3 v# N0 M - if(startFlag||displayFlag){//遥控或调试
3 x3 Z0 P& {. f+ b& U0 x/ @0 ^0 X - /* 收起支撑 */8 q8 K- f8 x# y& T
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_2,1500);9 y+ a9 j4 @, ~- q; T, _2 b
- + L t8 Q/ Z* l1 W! Z- Q
- /* 根据上位机命令,调整运用方向和速度 */
6 f, j' \9 ]. Y7 m - if (startFlag) { X" y+ z- Y/ x2 p: l
- if (driveDirection == -1)//停止
2 h; S8 l" Q1 K1 \/ t - {
3 k' Y. n; u6 J& G" p6 i - //__HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_1,1500);2 m! r4 }' k# Y& m5 N" G
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_3,0);//N20停止4 x7 C7 d0 L8 u4 e1 X
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_4,0);
, e8 y3 L" S8 M1 a& j s - HAL_Delay(5);
0 u& Q# b% @& s) G - }
/ x+ d7 ?) p$ C# c; v% z; a. D7 ^ - else{
, n0 m9 c( F$ }- r0 z" g - if(driveDirection>=180){//前进 Z3 s; s/ V' o; \
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_1,(uint16_t)(1500-500*(driveDirection-270)/90));' [5 f% y! i C' e% R' Q
3 y% e' a/ e# l$ }: ^7 B1 `; |- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_3,100*driveSpeed);//前进
# V) P) \- v& Z! k - __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_4,0); X) ~$ t3 L4 U9 p) Y1 O
- }* f: k; v3 o8 p- C
- else{//后退; L/ J' `5 Q* M G) V
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_1,(uint16_t)(1500-500*(driveDirection-90)/90));
7 ?: ~; i' Y; N2 e7 ]9 ` - + w3 H, B' W. q) O
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_3,0);//N20后退4 ?2 K! p# T7 x: p
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_4,100*driveSpeed);
' p, t7 H& d, S# w- S - }/ X$ d* I2 {5 F4 D. X/ h
- }
2 F5 A, q6 i; x$ ^0 F6 d* X - }
# n7 ]' g0 ` G' z6 J- a - else{8 R! D0 Y8 s2 Q
- // __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_1,1500);//direction servo
; { [8 ]2 C/ C' G* f& [9 j2 G9 A - __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_2,500);//放下支撑舵机% t9 g" Y, M' ?6 O- `9 c$ c
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_3,0);//N20停止( ]3 t/ P; s) V9 ?# ^4 ?4 ~
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_4,0);; j; i* j" f* @& f6 {
- HAL_Delay(5);
+ J- B6 H6 ]6 x; G! t - }4 I% y, ^( p) [# k4 n
- }
/ p# n2 N) n5 r1 U - else {//停止! W) s- l. z) h$ n# Y
$ S0 D' n9 M6 |- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_3,0);//N20电机停止4 x3 h7 m, M" d- b
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_4,0);
8 s) g+ N/ o! ]+ C - 8 S2 c& Q5 ^# w
- __HAL_TIM_SetCompare(&htim2, TIM_CHANNEL_2,500);//舵机放下支撑" x% z& ~. O+ o: R8 q# }5 D
- //设置平衡角度,延时一段时间后关闭无刷电机
1 S. \% X! ]$ ^! ? { - HAL_Delay(5);
7 s# n, o% v8 N0 k* v - }
6 J$ K0 A) y- n/ k( |3 g H - " z2 Z7 m4 Y$ L8 f- w+ U5 _
- /* 串口通讯,发送数据至上位机 */
2 O5 B- }9 {* O - if (displayFlag) {4 Z. |0 _% y' U: ^- e
- switch ((int16_t)tempVerticalKi) {
6 s( x, e$ t6 O4 p. _ - case 1:
' C7 e( o, l1 _; v: B" p% G - sprintf(bufferTr, "%.1f", (double)brushless);; b: E" h" y, n* H0 l6 @7 \
- HAL_UART_Transmit_DMA(&huart1, bufferTr, strlen(bufferTr));// send brushless
R& X$ l+ `+ L/ S2 U& k - break;
6 l5 h% c7 Y9 w, f2 ^9 G% N - case 2:
, x7 Q2 f& U) N5 x4 |/ F2 H" v" @ - sprintf(bufferTr, "%.1f", (double)GyroY_Lowout);4 @, L$ z9 c* B+ W/ ~; {
- HAL_UART_Transmit_DMA(&huart1, bufferTr, strlen(bufferTr));// send GyroY_Lowout
5 I% D% q' q+ I* h7 G3 l& e - break;
8 n7 M* x: Y, f l - case 3:* w) D( b# I N: q% C1 K$ Q
- sprintf(bufferTr, "%.1f", (double)Encoder_Err);# e I4 r; c% o5 @# N
- HAL_UART_Transmit_DMA(&huart1, bufferTr, strlen(bufferTr));// send Encoder_Err
|+ Q* [6 A7 |, r1 D0 ~8 D - break;0 @( y* Z& ?4 l: M7 U; l. F
- case 4:- ]: @3 j9 D4 E4 {
- sprintf(bufferTr, "%.1f", (double)Encoder_Sum);
) p1 [9 }' E8 _ - HAL_UART_Transmit_DMA(&huart1, bufferTr, strlen(bufferTr));// send Encoder_Sum
( U2 O; ]8 B" N% P$ o" C - break;4 X2 V" C( @' z) v0 w, E- ]( b
- default:
8 g, p ^3 w1 N& R - sprintf(bufferTr, "%.1f", Pitch_Kalman); E4 }8 X9 }: F% u
- HAL_UART_Transmit_DMA(&huart1, bufferTr, strlen(bufferTr));// send Pitch
: [1 b" o" ^: y* x+ B; q - break;
$ P- b5 x, p+ S& C- p - }6 q) x. @. D0 H
- }3 Q8 s8 b+ Y0 n6 B; o4 x
- HAL_Delay(20);
$ s( a: Q# s2 Y2 b! o - / z! o W2 J) L, D
- /* USER CODE END WHILE */
& `+ o2 N4 ]- r) H5 U
4 p5 b* w8 t9 M& |- /* USER CODE BEGIN 3 */$ ]9 ?; Q9 h: ~2 B
- }0 t- W0 l. Q& {" c
- /* USER CODE END 3 */- N8 L( V/ L0 v+ O& O3 V1 q1 Z
- }
复制代码 作者:DIY攻城狮
9 ~$ y' G( @. d% u) b2 N# E9 M" C" W; z' U
|