1006. 换个格式输出整数 (15)

本文介绍了一种将三位以内的正整数转换为特定格式的方法。通过使用字符'B'、'S'及数字来表示百位、十位和个位,实现了直观的数值展示。文章还提供了一个C语言实现示例。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

让我们用字母B来表示“百”、字母S表示“十”,用“12...n”来表示个位数字n(<10),换个格式来输出任一个不超过3位的正整数。例如234应该被输出为BBSSS1234,因为它有2个“百”、3个“十”、以及个位的4。

输入格式:每个测试输入包含1个测试用例,给出正整数n(<1000)。

输出格式:每个测试用例的输出占一行,用规定的格式输出n。

输入样例1:
234
输出样例1:
BBSSS1234
输入样例2:
23
输出样例2:
SS123


#include <stdio.h>
#include <string.h>


int main(void){
  int num=0;
  int a[3]={0};
  scanf("%d",&num);
  a[0]=num%10;
  a[1]=(num/10)%10;
  a[2]=num/100;
  for(int i=0;i<a[2];i++)printf("%c",'B');
  for(int i=0;i<a[1];i++)printf("%c",'S');
  for(int i=1;i<=a[0];i++)printf("%d",i);
  return 0;
}
为什么oled屏上显示TIM1->CCR2的值为0,在tim中断中不是已经将pid_out的值赋给TIM1->CCR2了吗(oled屏上显示的Duty=49.580,即pid_out的值),而且为什么PA9引脚上PWM波的正占空比为0.34%左右,而PA8引脚上PWM波的正占空比为49%左右,还有这测量的电压#include "stm32f4xx.h" #include "delay.h" #include "oled.h" #include "stdio.h" #include "stdlib.h" #include "arm_math.h" #include "pid.h" #include "./adc/bsp_adc.h" #include "tim.h" #include "bsp_GeneralTim.h" float pid_out = 0; float Vout_actual = 0; extern __IO uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern volatile uint8_t adc_data_ready ; extern volatile uint8_t tim_update_flag; extern volatile uint32_t last_adc_value ; float six = 0; int main(void) { Adc_Init(); TIM_Init(); OLED_Init(); TIM2_Init(); while(1) {} } void TIM2_IRQHandler(void) { if(TIM_GetITStatus(TIM2,TIM_IT_Update) == SET ) { char str[40]; sprintf(str,"Vout = %.3f",Vout_actual); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*0,(u8 *)str,WORD_SIZE); sprintf(str,"Duty = %.3f",pid_out); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*1,(u8 *)str,WORD_SIZE); sprintf(str,"test = %.3f",six); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*2,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); sprintf(str,"TIM1->CCR2 = %.3f",TIM1->CCR2); OLED_ShowString(WORD_WIDTH*0,WORD_HIGH*3,(u8 *)str,WORD_SIZE); OLED_Refresh_Gram(); } TIM_ClearITPendingBit(TIM2, TIM_IT_Update); } //// 输入20V→输出15V:kp=0.3-0.6, ki=0.05-0.2, kd=0.01-0.05 ////输入35V→输出20V:kp=0.2-0.4, ki=0.02-0.1, kd=0.005-0.02 // // // // pid.kp = 0.5f; // 从较小值开始调试 // pid.ki = 0.1f; // pid.kd = 0.01f; // pid.max_output = 100.0f; // pid.min_output = 0.0f; // pid.integral = 0; // pid.prev_error = 0; #include "stm32f4xx_it.h" #include "oled.h" #include <math.h> #include "./adc/bsp_adc.h" #include "pid.h" #include "bsp_GeneralTim.h" float Taget=12; extern uint16_t ADC_ConvertedValue[RHEOSTAT_NOFCHANEL]; extern float voltage1; extern float pid_out; extern float Vout_actual; extern uint16_t TIM1_Impluse ;//高级定时器占空比 volatile uint8_t adc_data_ready = 0; volatile uint8_t tim_update_flag=0 ; volatile uint32_t last_adc_value = 0; extern volatile uint32_t time; extern float six; // 在DMA中断中仅设置标志 void DMA2_Stream0_IRQHandler(void) { if (DMA_GetITStatus(DMA2_Stream0, DMA_IT_TCIF0)) { adc_data_ready = 1; // 仅设置标志 DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0); } } // 在PWM中断中处理数据 void TIM1_UP_TIM10_IRQHandler(void) { if(TIM_GetITStatus(TIM1,TIM_IT_Update) == SET) { if(adc_data_ready) { // 1. 读取并转最新ADC值 Vout_actual = ADC_ConvertedValue[0] * 3.3f * 0.000244140625; // 2. 重置标志 adc_data_ready = 0; // 3. PID计算 pid_out =pid_control(2.7,1.5,0.1,12,Vout_actual); // 4. 更新PWM TIM1->CCR2 = pid_out; // 使用通道2 six = 1; } TIM_ClearITPendingBit(TIM1, TIM_IT_Update); } } void NMI_Handler(void) { } void HardFault_Handler(void) { /* Go to infinite loop when Hard Fault exception occurs */ while (1) {} } void MemManage_Handler(void) { /* Go to infinite loop when Memory Manage exception occurs */ while (1) {} } void BusFault_Handler(void) { /* Go to infinite loop when Bus Fault exception occurs */ while (1) {} } void UsageFault_Handler(void) { /* Go to infinite loop when Usage Fault exception occurs */ while (1) {} } void DebugMon_Handler(void) { } void SVC_Handler(void) { } void PendSV_Handler(void) { } void SysTick_Handler(void) { } #include "tim.h" uint16_t TIM1_Impluse = 4200;//预设占空比 float z = 0; const uint32_t spwm[400] = { 4200,4265,4331,4397,4463,4529,4595,4660,4726,4791,4857,4922,4987,5051,5116,5180, 5244,5308,5371,5434,5497,5560,5622,5684,5746,5807,5868,5928,5988,6047,6106,6165, 6223,6280,6337,6394,6450,6505,6560,6615,6668,6721,6774,6826,6877,6927,6977,7026, 7075,7122,7169,7216,7261,7306,7350,7393,7436,7477,7518,7558,7597,7636,7673,7710, 7746,7781,7815,7848,7880,7911,7942,7971,8000,8027,8054,8080,8105,8128,8151,8173, 8194,8214,8233,8251,8268,8283,8298,8312,8325,8337,8348,8358,8366,8374,8381,8387, 8391,8395,8397,8399,8400,8399,8397,8395,8391,8387,8381,8374,8366,8358,8348,8337, 8325,8312,8298,8283,8268,8251,8233,8214,8194,8173,8151,8128,8105,8080,8054,8027, 8000,7971,7942,7911,7880,7848,7815,7781,7746,7710,7673,7636,7597,7558,7518,7477, 7436,7393,7350,7306,7261,7216,7169,7122,7075,7026,6977,6927,6877,6826,6774,6721, 6668,6615,6560,6505,6450,6394,6337,6280,6223,6165,6106,6047,5988,5928,5868,5807, 5746,5684,5622,5560,5497,5434,5371,5308,5244,5180,5116,5051,4987,4922,4857,4791, 4726,4660,4595,4529,4463,4397,4331,4265,4200,4134,4068,4002,3936,3870,3804,3739, 3673,3608,3542,3477,3412,3348,3283,3219,3155,3091,3028,2965,2902,2839,2777,2715, 2653,2592,2531,2471,2411,2352,2293,2234,2176,2119,2062,2005,1949,1894,1839,1784, 1731,1678,1625,1573,1522,1472,1422,1373,1324,1277,1230,1183,1138,1093,1049,1006, 963,922,881,841,802,763,726,689,653,618,584,551,519,488,457,428, 399,372,345,319,294,271,248,226,205,185,166,148,131,116,101,87, 74,62,51,41,33,25,18,12,8,4,2,0,0,0,2,4, 8,12,18,25,33,41,51,62,74,87,101,116,131,148,166,185, 205,226,248,271,294,319,345,372,399,428,457,488,519,551,584,618, 653,689,726,763,802,841,881,922,963,1006,1049,1093,1138,1183,1230,1277, 1324,1373,1422,1472,1522,1573,1625,1678,1731,1784,1839,1894,1949,2005,2062,2119, 2176,2234,2293,2352,2411,2471,2531,2592,2653,2715,2777,2839,2902,2965,3028,3091, 3155,3219,3283,3348,3412,3477,3542,3608,3673,3739,3804,3870,3936,4002,4068,4134 }; //TIM1的GPIO static void TIM_GPIO_Config(void) { GPIO_InitTypeDef TIM_GPIO_InitStruct; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);//开钟 /*-----------------------------PA8,PA7------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_TIM1);//引脚复用 主 PA8,PA7 GPIO_PinAFConfig(GPIOA,GPIO_PinSource7,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_8; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA9,PB14------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource14,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_14; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ /*-----------------------------PA10,PB1------------------------------------*/ GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_TIM1);//引脚复用 主 GPIO_PinAFConfig(GPIOB,GPIO_PinSource1,GPIO_AF_TIM1);//引脚复用 补 TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; //模拟模式GPIO_Mode_AN/F TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_10; //引脚 TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1; GPIO_Init(GPIOB, &TIM_GPIO_InitStruct); /*-----------------------------------------------------------------------*/ // TIM_GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN; //模拟模式 pa6死刹 // TIM_GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6; //引脚 // TIM_GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz; //高速 // TIM_GPIO_InitStruct.GPIO_OType = GPIO_OType_PP; //推挽 // TIM_GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL; //浮空 // GPIO_Init(GPIOA, &TIM_GPIO_InitStruct); //写入 } //TIM1 static void TIM_A1_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; TIM_OCInitTypeDef TIM_OCInitStruct; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE);///使能时钟 //168MHZ->20kHZ 主频/(计数+1)*(预分频系数+1) //168MHz/8 * 1050 = 20khz /*-----------------------------基本结构体------------------------------------*/ TIM_TimeBaseInitStructure.TIM_Period = (8400-1); //自动重装载值 TIM_TimeBaseInitStructure.TIM_Prescaler=(1-1); //定时器分频 TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; //1分频 TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; //不需要重复计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure); //初始化TIM /*-----------------------------基本结构体------------------------------------*/ /*-----------------------------输出比较------------------------------------*/ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; //pwm模式选择 TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; ///使能输出通道 TIM_OCInitStruct.TIM_OutputNState = TIM_OutputNState_Enable; //使能互补通道 TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; //预设占空比 TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; //PWM1和2中的CH和CCR之间值的大小(多用pwm1的模式1) TIM_OCInitStruct.TIM_OCNPolarity = TIM_OCNPolarity_High; //当使用了刹车功能时,两路PWM1和2都会被强制禁止,进而输出我们配置的的空闲先状态 TIM_OCInitStruct.TIM_OCIdleState = TIM_OCIdleState_Set; //刹车时输出通道的状态 Set = high TIM_OCInitStruct.TIM_OCNIdleState = TIM_OCNIdleState_Reset; //刹车时互补通道的状态 Reset = low TIM_OC1Init(TIM1, &TIM_OCInitStruct); //使能通道1 TIM_OC1PreloadConfig(TIM1,TIM_OCPreload_Enable); /* 使能通道1重载 */ TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC2Init(TIM1, &TIM_OCInitStruct); TIM_OC2PreloadConfig(TIM1,TIM_OCPreload_Enable); TIM_OCInitStruct.TIM_Pulse = TIM1_Impluse; TIM_OC3Init(TIM1, &TIM_OCInitStruct); TIM_OC3PreloadConfig(TIM1,TIM_OCPreload_Enable); /*-----------------------------输出比较------------------------------------*/ /*-----------------------------死区刹车------------------------------------*/ TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; //开启死区 TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; //开启1空闲状态 TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1; //不同的锁定级别 (看BDTR寄存器) TIM_BDTRInitStructure.TIM_DeadTime = 20; //刹车时间,(看BDTR寄存器中的DTG[7:0]) //11转成二进制为0000 1011 死区时间看[7;5]位,此处为000 TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; //允许刹车 //BKIN 测到低电平 比较信号禁止 TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; //高极性 TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; //自动输出使能(刹车输入无效) TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); //写入 /*-----------------------------死区刹车------------------------------------*/ TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); //允许定时器更新中断 | TIM_IT_Trigger TIM_Cmd(TIM1,ENABLE); //使能定时器 TIM_CtrlPWMOutputs(TIM1, ENABLE); //主动输出使能 } static void TIM_A1_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; /*-----------------------------中断------------------------------------*/ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //分组 NVIC_InitStructure.NVIC_IRQChannel=TIM1_UP_TIM10_IRQn; //定时器1中断 NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; //使能中断 NVIC_Init(&NVIC_InitStructure); //写入 /*-----------------------------中断------------------------------------*/ } void TIM_Init(void) { TIM_A1_NVIC_Config(); TIM_GPIO_Config(); TIM_A1_Mode_Config(); } #include "./adc/bsp_adc.h" #include "bsp_GeneralTim.h" #include "stm32f4xx_adc.h" __IO uint16_t ADC_ConvertedValue[1]={0}; volatile uint8_t current_buffer = 0; extern volatile uint32_t time; static void ADC_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /*=====================通道1======================*/ // 使能 GPIO 时钟 RCC_AHB1PeriphClockCmd(ADC_GPIO_CLK1,ENABLE); // 配置 IO GPIO_InitStructure.GPIO_Pin = ADC_GPIO_PIN1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //不上拉不下拉 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; GPIO_Init(ADC_GPIO_PORT1, &GPIO_InitStructure); } void ADC_DMA_Config(void) { DMA_InitTypeDef DMA_InitStructure; // 1. 使能 DMA 时钟 RCC_AHB1PeriphClockCmd(ADC_DMA_CLK, ENABLE); // 2. 配置 DMA 参数 DMA_InitStructure.DMA_Channel = ADC_DMA_CHANNEL; // DMA 通道 0 DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)ADC_ConvertedValue; // 目标地址:内存缓冲区 DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR; // 修正外设地址 DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; // 外设到内存 DMA_InitStructure.DMA_BufferSize = 1; // 缓冲区大小 DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 外设地址不递增 DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; // 单通道禁用地址递增 DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 外设数据大小:半字(16位) DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // 内存数据大小:半字(16位) DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; // 循环模式 DMA_InitStructure.DMA_Priority = DMA_Priority_High; // 高优先级 DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; // 禁用 FIFO 模式 DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; // FIFO 阈值 DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; // 内存突发传输:单次 DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; // 外设突发传输:单次 // 3. 初始化 DMA DMA_Init(ADC_DMA_STREAM, &DMA_InitStructure); // 4. 使能 DMA 中断(传输完成、传输错误) DMA_ITConfig(ADC_DMA_STREAM, DMA_IT_TC | DMA_IT_TE | DMA_IT_HT, ENABLE); // 5. 使能 DMA 流 DMA_Cmd(ADC_DMA_STREAM, ENABLE); } void ADC_Config(void) { ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; // 1. 使能 ADC 时钟 RCC_APB2PeriphClockCmd(ADC_CLK, ENABLE); // 2. 配置 ADC 通用参数 ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; // 独立模式 ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // ADC 时钟分频:PCLK2/4 ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1 ; // DMA 访问模式 ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles; // 采样延迟 ADC_CommonInit(&ADC_CommonInitStructure); // 3. 配置 ADC 参数 ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; // 12位分辨率 ADC_InitStructure.ADC_ScanConvMode = DISABLE; // 扫描模式使能 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; // 连续转模式 ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; // 软件触发 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; // 任意值 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; // 数据右对齐 ADC_InitStructure.ADC_NbrOfConversion = 1 ; // 转通道数 ADC_Init(ADC_, &ADC_InitStructure); // 4. 配置 ADC 通道(通道4,PA4) ADC_RegularChannelConfig(ADC_, ADC_Channel_4, 1, ADC_SampleTime_84Cycles); // 5. 使能 ADC DMA ADC_DMACmd(ADC_, ENABLE); // 6. 使能 ADC ADC_Cmd(ADC_, ENABLE); // 7. 启动 ADC 转 ADC_SoftwareStartConv(ADC_); } static void ADC_NVIC_Config(void) { NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void Adc_Init(void) { ADC_GPIO_Config(); ADC_DMA_Config(); ADC_Config(); ADC_NVIC_Config(); } //float ADC_ReadVoltage(void) // { // // static uint8_t initialized = 0; // if(!initialized) // { // Adc_Init(); // initialized = 1; // } // // // // 直接读取全局数组 // return ADC_ConvertedValue[0] * 3.3f /4096; //} #ifndef __BSP_ADC_H #define __BSP_ADC_H #include "stm32f4xx.h" #define RHEOSTAT_NOFCHANEL 1 /*=====================通道1 IO======================*/ // ADC IO宏定义 #define ADC_GPIO_PORT1 GPIOA #define ADC_GPIO_PIN1 GPIO_Pin_4 #define ADC_GPIO_CLK1 RCC_AHB1Periph_GPIOA #define ADC_CHANNEL1 ADC_Channel_4 // ADC 序号宏定义 #define ADC_ ADC1 #define ADC_CLK RCC_APB2Periph_ADC1 // ADC DR寄存器宏定义,ADC转后的数字值则存放在这里 #define RHEOSTAT_ADC_DR_ADDR ((u32)ADC1+0x4c) // ADC DMA 通道宏定义,这里我们使用DMA传输 // DMA 配置 #define ADC_DMA_CLK RCC_AHB1Periph_DMA2 #define ADC_DMA_CHANNEL DMA_Channel_0 #define ADC_DMA_STREAM DMA2_Stream0 void Adc_Init(void); //float ADC_ReadVoltage(void); #endif /* __BSP_ADC_H */ #include "pid.h" float kp, ki, kd; // PID参数 float last_error = 0,last_error_2 = 0 , last_output, setpoint, input, output; float pid_control(float KP , float KI , float KD , float Set_Point , float Now_Point) { kp = KP; ki = KI; kd = KD; setpoint = Set_Point; input = Now_Point; float error = setpoint - input; float delta_error = error - last_error; output += kp*delta_error + ki*error + kd*(error-2*last_error+last_error_2); last_error_2 = last_error; last_error = error; last_output = output; //输出限幅 if(output >= 100.0f ) output = 100.0f; return output; } //float pid_control(PID_Controller* pid, float setpoint, float input) { // // 计算当前误差 // float error = setpoint - input; // // // 比例项 // float p_term = pid->kp * error; // // // 积分项(带抗饱和) // pid->integral += error; // // // 积分限幅 // if(pid->integral > pid->max_output) // pid->integral = pid->max_output; // else if(pid->integral < pid->min_output) // pid->integral = pid->min_output; // // float i_term = pid->ki * pid->integral; // // // 微分项(标准实现) // float d_term = pid->kd * (error - pid->prev_error); // // // PID输出 // float output = p_term + i_term + d_term; // // // 输出限幅 // if(output > pid->max_output) output = pid->max_output; // else if(output < pid->min_output) output = pid->min_output; // // // 更新误差历史 // pid->prev_error = error; // // return output; //} #include "bsp_GeneralTim.h" void TIM2_Init(void) { NVIC_InitTypeDef NVIC_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); NVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1; NVIC_InitStructure.NVIC_IRQChannelSubPriority=0x01; NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; NVIC_Init(&NVIC_InitStructure); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE); TIM_TimeBaseInitStructure.TIM_Period = (168000-1); TIM_TimeBaseInitStructure.TIM_Prescaler= (1000-1); TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1; TIM_TimeBaseInitStructure.TIM_RepetitionCounter=0; TIM_TimeBaseInit(TIM2,&TIM_TimeBaseInitStructure); TIM_ClearFlag(TIM2,TIM_FLAG_Update); TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE); TIM_ARRPreloadConfig(TIM2,ENABLE); TIM_Cmd(TIM2,ENABLE); }
最新发布
07-13
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值