如題,使用stm32f103rct6,控制四個輪子的電機正反轉分別為PC0-PC8,四個輪子的使能端為PA0,PA1,PA2,PA3(定時器2)(左前,左后,右前,右后),三個舵機在PB6,PB7,PB9(定時器4),使用范圍在5-25之間,藍牙接PC10,PC11,使用串口4,波特率為9600.
圖片太大,發不上來。
單片機源程序如下:
- #include "stm32f10x.h"
- #include "pwm.h"
- #include "gpio.h"
- #include "delay.h"
- #include "system.h"
- #include "motor.h"
- #include "USART.h"
- #include "bluetooth.h"
- #include "duojipwm.h"
- #define KEY1 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_8)
- #define KEY2 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_9)
- int CMD=0x61;
- void USART3_Init(void);
- void GPIOdianji_Init(void);
- void TIM4_PWM_Init(u16 arr,u16 psc);
- int main(void){
- USART_Config();//串口
- GPIOdianji_Init();//電機引腳
- GENERAL_TIM_Init();//電機PWM初始化
- blueToothInit();//藍牙初始化
- TIM4_PWM_Init(199,7199);
- TIM_SetCompare4(TIM4, 4);
- TIM_SetCompare1(TIM4, 5);
- TIM_SetCompare2(TIM4, 23);
- TIM_SetCompare3(TIM4, 13);
- while(1){
- //如果藍牙斷開,小車會一直在剎車狀態
- if(BLUE_TOOTH_STATE != Bit_SET){
- stop();
- }
- if(KEY1==0)
- {
- forward();
- TIM_SetCompare1(TIM4,25);
- }
- if(KEY2==0)
- {
- stop();
- TIM_SetCompare1(TIM4,5);
- }
- // car_speed();
- }
- }
復制代碼
- #include "duojipwm.h"
- #include "delay.h"
- void TIM4_PWM_Init(u16 arr,u16 psc)
- {
- //**結構體聲明**//
- GPIO_InitTypeDef GPIO_InitStructure; //聲明GPIO
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; //聲明定時器
- TIM_OCInitTypeDef TIM_OCInitStructure; //聲明PWM通道
-
- //**時鐘使能**//
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); //使能定時器TIM4時鐘
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //使能PB端口時鐘
-
- //****//
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //LED0-->PB.6 端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
- GPIO_Init(GPIOB, &GPIO_InitStructure); //根據設定參數初始化GPIOB.6
- GPIO_SetBits(GPIOB,GPIO_Pin_6);
- //****//
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; //LED0-->PB.7 端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
- GPIO_Init(GPIOB, &GPIO_InitStructure); //根據設定參數初始化GPIOB.7
- GPIO_SetBits(GPIOB,GPIO_Pin_7);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; //LED0-->PB.7 端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
- GPIO_Init(GPIOB, &GPIO_InitStructure); //根據設定參數初始化GPIOB.7
- GPIO_SetBits(GPIOB,GPIO_Pin_8);
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //LED0-->PB.7 端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
- GPIO_Init(GPIOB, &GPIO_InitStructure); //根據設定參數初始化GPIOB.7
- GPIO_SetBits(GPIOB,GPIO_Pin_9);
- //初始化TIM3
- TIM_TimeBaseStructure.TIM_Period = arr; //設置在下一個更新事件裝入活動的自動重裝載寄存器周期的值
- TIM_TimeBaseStructure.TIM_Prescaler =psc; //設置用來作為TIMx時鐘頻率除數的預分頻值
- TIM_TimeBaseStructure.TIM_ClockDivision = 0; //設置時鐘分割:TDTS = Tck_tim
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM向上計數模式
- TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //根據TIM_TimeBaseInitStruct中指定的參數初始化TIMx的時間基數單位
- //初始化TIM3 Channel1 PWM模式
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時器模式:TIM脈沖寬度調制模式2
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比較輸出使能
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //輸出極性:TIM輸出比較極性高
- TIM_OC1Init(TIM4, &TIM_OCInitStructure); //根據T指定的參數初始化外設TIM3 OC1
-
- //初始化TIM3 Channel2 PWM模式
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時器模式:TIM脈沖寬度調制模式2
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比較輸出使能
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //輸出極性:TIM輸出比較極性高
- TIM_OC2Init(TIM4, &TIM_OCInitStructure); //根據T指定的參數初始化外設TIM3 OC2
-
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時器模式:TIM脈沖寬度調制模式2
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比較輸出使能
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //輸出極性:TIM輸出比較極性高
- TIM_OC3Init(TIM4, &TIM_OCInitStructure); //根據T指定的參數初始化外設TIM3 OC3
-
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時器模式:TIM脈沖寬度調制模式2
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比較輸出使能
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //輸出極性:TIM輸出比較極性高
- TIM_OC4Init(TIM4, &TIM_OCInitStructure); //根據T指定的參數初始化外設TIM3 OC4
- TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH1預裝載寄存器
- TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH2預裝載寄存器
- TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH3預裝載寄存器
- TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH4預裝載寄存器
-
- TIM_Cmd(TIM4, ENABLE); //使能TIM4
- }
- //void pigupwm(void)
- //{
- // TIM_SetCompare1(TIM4,i);
- // delay_ms(500);
- //}
- //void dizuopwm(void)
- //{
- // TIM_SetCompare2(TIM4,i);
- // TIM_SetCompare3(TIM4,i);
- // delay_ms(500);
- //}
- //void bluepwm(void)
- //{
- // TIM_SetCompare4(TIM2,i);
- // delay_ms(500);
- //}
復制代碼
所有代碼51hei附件下載:
yuanban.7z
(182.78 KB, 下載次數: 52)
2021-9-20 16:35 上傳
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