stm32电梯控制系统代码

电梯控制系统的代码是比较复杂的，需要涉及到硬件、软件及算法等多个方面。以下是一个简单的示例代码，仅供参考：

#include "stm32f10x.h"

#define UP 1
#define DOWN 2
#define STOP 3

#define FLOOR1 0x01
#define FLOOR2 0x02
#define FLOOR3 0x04
#define FLOOR4 0x08

#define BUTTON1 0x01
#define BUTTON2 0x02
#define BUTTON3 0x04
#define BUTTON4 0x08

#define ELEVATOR_SPEED 100000

u8 g_elevator_floor = 0;
u8 g_elevator_direction = STOP;
u8 g_button_status = 0;

void elevator_init()
{
    GPIO_InitTypeDef GPIO_InitStructure;
    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
    TIM_OCInitTypeDef TIM_OCInitStructure;

    // 电梯控制引脚初始化
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOB, &GPIO_InitStructure);

    // 定时器初始化
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

    TIM_TimeBaseStructure.TIM_Period = 1000;
    TIM_TimeBaseStructure.TIM_Prescaler = 72 - 1;
    TIM_TimeBaseStructure.TIM_ClockDivision = 0;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);

    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
    TIM_OC1Init(TIM2, &TIM_OCInitStructure);

    TIM_Cmd(TIM2, ENABLE);
}

void elevator_stop()
{
    TIM_SetCompare1(TIM2, 0);
}

void elevator_run(u8 direction)
{
    if (direction == UP) {
        GPIO_SetBits(GPIOA, GPIO_Pin_2);
        GPIO_ResetBits(GPIOA, GPIO_Pin_3);
    } else if (direction == DOWN) {
        GPIO_SetBits(GPIOA, GPIO_Pin_3);
        GPIO_ResetBits(GPIOA, GPIO_Pin_2);
    }

    TIM_SetCompare1(TIM2, ELEVATOR_SPEED);
}

void elevator_control(u8 floor)
{
    if (floor == g_elevator_floor) {
        elevator_stop();
        return;
    }

    if (floor > g_elevator_floor) {
        g_elevator_direction = UP;
    } else {
        g_elevator_direction = DOWN;
    }

    elevator_run(g_elevator_direction);

    while (g_elevator_floor != floor) {
        if (g_elevator_direction == UP) {
            g_elevator_floor++;
        } else {
            g_elevator_floor--;
        }

        switch (g_elevator_floor) {
            case 1:
                GPIO_ResetBits(GPIOA, GPIO_Pin_0);
                break;
            case 2:
                GPIO_ResetBits(GPIOA, GPIO_Pin_1);
                break;
            case 3:
                GPIO_ResetBits(GPIOA, GPIO_Pin_2);
                break;
            case 4:
                GPIO_ResetBits(GPIOA, GPIO_Pin_3);
                break;
        }

        for (int i = 0; i < 1000000; i++);

        switch (g_elevator_floor) {
            case 1:
                GPIO_SetBits(GPIOA, GPIO_Pin_0);
                break;
            case 2:
                GPIO_SetBits(GPIOA, GPIO_Pin_1);
                break;
            case 3:
                GPIO_SetBits(GPIOA, GPIO_Pin_2);
                break;
            case 4:
                GPIO_SetBits(GPIOA, GPIO_Pin_3);
                break;
        }
    }

    elevator_stop();
}

u8 button_read()
{
    u8 button_status = 0;

    if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_0) == RESET) {
        button_status |= BUTTON1;
    }

    if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_1) == RESET) {
        button_status |= BUTTON2;
    }

    if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_2) == RESET) {
        button_status |= BUTTON3;
    }

    if (GPIO_ReadInputDataBit(GPIOB, GPIO_Pin_3) == RESET) {
        button_status |= BUTTON4;
    }

    return button_status;
}

void button_check(u8 button_status)
{
    if (button_status == g_button_status) {
        return;
    }

    if (button_status & FLOOR1) {
        elevator_control(1);
    } else if (button_status & FLOOR2) {
        elevator_control(2);
    } else if (button_status & FLOOR3) {
        elevator_control(3);
    } else if (button_status & FLOOR4) {
        elevator_control(4);
    }

    g_button_status = button_status;
}

int main(void)
{
    elevator_init();

    while (1)
    {
        u8 button_status = button_read();
        button_check(button_status);
    }
}

这个代码仅为参考，实际情况下可能需要根据实际需求进行修改和优化。同时，还需要注意硬件和软件的配合，如电机驱动、传感器采集等，才能保证电梯控制系统的稳定和可靠性。