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实验5：开放性实验内容：按键B1调节电机转速，按下按键速度递增，速度达到设定的最大值后，再按键速度递减，速度达到设定的最小值后，再按键速度递增。同时通过软件STMStudio软件查看设定的速度变量。: A" B8 ^3 c4 _6 }) w6 a 一、软件程序 重新设置PC13端口为输入 
程序代码：$ ~9 o b2 }0 |: O& A" U int main(void) { /* USER CODE BEGIN 1 */ uint16_t speedcnt=0;1 _7 |. l& ~' q5 ~' q1 [( ?! z uint8_t speedup=1; uint8_t speeddown=0; /* USER CODE END 1 */: `) v% P. D) ]* f- P! |. A /* MCU Configuration----------------------------------------------------------*/- e2 Q' R) q) `0 h$ J& S . G7 {0 z7 [1 _; }) \; j3 q: o /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init();. ?+ i* q1 o1 j" q! x3 @ # Y! S) p9 [) P3 m: r ~/ @ /* USER CODE BEGIN Init */ $ _* Y& \; G3 ` g3 y" S- |; t3 j g /* USER CODE END Init */& h$ v- B6 G9 G% y7 h$ L3 c % R5 J2 C4 l0 Z+ ]* T, C / U3 w9 l; R% ?; F /* Configure the system clock */ SystemClock_Config(); 1 |7 \! H2 F7 ?$ ^& { " a0 Q! W* R, ]7 |2 e$ n3 u3 i3 E8 ?8 k /* USER CODE BEGIN SysInit */ & ?7 o* L6 j! ]3 v9 o5 ?9 R# Q5 \ + Q" Q8 d# s, o5 U /* USER CODE END SysInit */" ]) I# H: E) n+ v2 S- L2 k- P2 D M) x ' E/ ~ e8 T' H/ u- G. K* y; B /* Initialize all configured peripherals */ MX_GPIO_Init();, s. M& u/ A" [ MX_ADC1_Init();: V/ K0 {% `$ s0 n3 f1 A. [$ ]/ v MX_DAC_Init();" c, G& | G+ i7 z! ? MX_TIM1_Init(); MX_USART2_UART_Init(); MX_MotorControl_Init();) S- n9 _! S& q. b / L- r& u% V( |& E* y# n. S 0 ?. c, Q9 ^, p7 M0 n a) T /* Initialize interrupts */ MX_NVIC_Init(); /* USER CODE BEGIN 2 */- c! i- F) q' R; S' E2 a/ W 5 J2 G! D: O4 T4 g MC_StartMotor1();6 S% K! m- _3 s7 Y) ^. F HAL_Delay(1000); MC_ProgramSpeedRampMotor1(2000/6,1000); HAL_Delay(10000);* {9 f! ]# d$ z/ P2 a0 c8 J% P /* USER CODE END 2 */9 Q8 M% r/ b2 y# ^3 u 1 q0 _0 {% U5 ^, V. z % G2 j" P, s1 J; C8 W /* Infinite loop */! y6 L. ^0 x' ^. q /* USER CODE BEGIN WHILE */5 ]8 s5 D- s" p0 N5 e' l, { l while (1)* W% K- o9 ]8 V0 K1 q {( _& p" p4 `$ f ~5 Q' u- j if(GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_13))$ M% m- g$ r; c |7 ?4 v& ] { HAL_Delay(10);+ `& w0 B. A0 e$ t5 r3 I if(GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_13)) { O- c9 ?' F7 O( D! f' @ if(speedup==1), |7 g" k8 }6 p* C6 x! g { speedcnt=speedcnt+100;+ \& k: L, G+ B7 v6 w if(speedcnt>14000) { speedup=0; speeddown=1; }: f7 e) S. y- R } if(speeddown==1) {& R% r6 U& @+ K4 } speedcnt=speedcnt-100; if(speedcnt<200)' o9 d9 w4 G) L+ r2 ^1 h5 h6 y { speedup=1;( ]- x5 E* o c" f speeddown=0; } }, V/ T) l q" H* F0 H: Q' K4 R MC_ProgramSpeedRampMotor1((2000+speedcnt)/6,1000);( V0 w9 b( m1 r) l } }- w" T0 M/ G% A4 p- d HAL_Delay(100);. S+ p! y! _# T9 W2 w! e) `( s2 z : @. J& J1 ?" y# h0 _ /* USER CODE END WHILE */ o4 `2 i# m- r2 W , a7 l2 J7 Y5 C1 e' i /* USER CODE BEGIN 3 */0 J/ y0 X0 Z! K4 k } /* USER CODE END 3 */ } 7 f# l5 d& ~& o: d3 R& w# ?' v ; v9 x3 A9 o% V: [9 u& ^ 二、执行结果： L2 z: k& O* i7 ^7 C+ n 5 f7 G) s/ t0 Z# C2 ~ 
STMStudio查看变量结果 
- U2 o3 ~: o) \( J STMStudio在线查看程序运行的是个不错的软件。3 m. A$ _: L# O% B0 g! p* [/ [ 8 \9 d8 M: u- a& f" u( u : \/ a7 n) S; g 1 F1 G8 m5 i @- m ( e6 j" V0 }8 u3 Y9 f' V8 J6 q 6 b2 ^& L: v) S; } / p2 m7 G% K+ r/ {' X+ r 2 P" n$ X4 A3 M. n- m 9 W- p$ t3 K9 k7 m2 z |
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