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如題,使用stm32f103rct6,控制四個(gè)輪子的電機(jī)正反轉(zhuǎn)分別為PC0-PC8,四個(gè)輪子的使能端為PA0,PA1,PA2,PA3(定時(shí)器2)(左前,左后,右前,右后),三個(gè)舵機(jī)在PB6,PB7,PB9(定時(shí)器4),使用范圍在5-25之間,藍(lán)牙接PC10,PC11,使用串口4,波特率為9600.
圖片太大,發(fā)不上來。
單片機(jī)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(jī)引腳
- GENERAL_TIM_Init();//電機(jī)PWM初始化
- blueToothInit();//藍(lán)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(lán)牙斷開,小車會(huì)一直在剎車狀態(tài)
- 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(fù)制代碼
- #include "duojipwm.h"
- #include "delay.h"
- void TIM4_PWM_Init(u16 arr,u16 psc)
- {
- //**結(jié)構(gòu)體聲明**//
- GPIO_InitTypeDef GPIO_InitStructure; //聲明GPIO
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; //聲明定時(shí)器
- TIM_OCInitTypeDef TIM_OCInitStructure; //聲明PWM通道
-
- //**時(shí)鐘使能**//
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); //使能定時(shí)器TIM4時(shí)鐘
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //使能PB端口時(shí)鐘
-
- //****//
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //LED0-->PB.6 端口配置
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //復(fù)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(jù)設(shè)定參數(shù)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(fù)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(jù)設(shè)定參數(shù)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(fù)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(jù)設(shè)定參數(shù)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(fù)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(jù)設(shè)定參數(shù)初始化GPIOB.7
- GPIO_SetBits(GPIOB,GPIO_Pin_9);
- //初始化TIM3
- TIM_TimeBaseStructure.TIM_Period = arr; //設(shè)置在下一個(gè)更新事件裝入活動(dòng)的自動(dòng)重裝載寄存器周期的值
- TIM_TimeBaseStructure.TIM_Prescaler =psc; //設(shè)置用來作為TIMx時(shí)鐘頻率除數(shù)的預(yù)分頻值
- TIM_TimeBaseStructure.TIM_ClockDivision = 0; //設(shè)置時(shí)鐘分割:TDTS = Tck_tim
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM向上計(jì)數(shù)模式
- TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //根據(jù)TIM_TimeBaseInitStruct中指定的參數(shù)初始化TIMx的時(shí)間基數(shù)單位
- //初始化TIM3 Channel1 PWM模式
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時(shí)器模式:TIM脈沖寬度調(diào)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(jù)T指定的參數(shù)初始化外設(shè)TIM3 OC1
-
- //初始化TIM3 Channel2 PWM模式
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時(shí)器模式:TIM脈沖寬度調(diào)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(jù)T指定的參數(shù)初始化外設(shè)TIM3 OC2
-
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時(shí)器模式:TIM脈沖寬度調(diào)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(jù)T指定的參數(shù)初始化外設(shè)TIM3 OC3
-
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //選擇定時(shí)器模式:TIM脈沖寬度調(diào)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(jù)T指定的參數(shù)初始化外設(shè)TIM3 OC4
- TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH1預(yù)裝載寄存器
- TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH2預(yù)裝載寄存器
- TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH3預(yù)裝載寄存器
- TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); //使能TIM4_CH4預(yù)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(fù)制代碼
所有代碼51hei附件下載:
yuanban.7z
(182.78 KB, 下載次數(shù): 52)
2021-9-20 16:35 上傳
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