資源簡介
在STM32中利用定時器生產PWM,并產生PWM周期中斷,更新調制波,代碼中提供閉環和開環實驗,閉環實驗中有電壓、電流環可供選擇,并將采集的ADC通過DAC輸出,方便調試。
代碼片段和文件信息
#include?“adc.h“
#include?“delay.h“
void??Adc_Init(void)
{????
//先初始化IO口
? RCC->APB2ENR|=1<<4;????//使能PORTC口時鐘?
GPIOC->CRL&=0XFFFF0FFF;//PC3?anolog輸入
GPIOC->CRL&=0XFFF0FFFF;//PC4?anolog輸入
//通道13/14設置 ?
RCC->APB2ENR|=1<<9;????//ADC1時鐘使能 ??
RCC->APB2RSTR|=1<<9;???//ADC1復位
RCC->APB2RSTR&=~(1<<9);//復位結束 ????
RCC->CFGR&=~(3<<14);???//分頻因子清零
//SYSCLK/DIV2=12M?ADC時鐘設置為12MADC最大時鐘不能超過14M!
//否則將導致ADC準確度下降!?
RCC->CFGR|=2<<14;??????//APB2?6分頻后作為ADC時鐘??72M/6?=?12M?? ?
ADC1->CR1&=0XF0FFFF;???//工作模式清零
ADC1->CR1|=0<<16;??????//獨立工作模式??
ADC1->CR1&=~(1<<8);????//非掃描模式 ??
ADC1->CR2&=~(1<<1);????//單次轉換模式
ADC1->CR2&=~(7<<17); ?//軟件控制轉換清零
ADC1->CR2|=7<<17; ?????//軟件控制轉換??
ADC1->CR2|=1<<20;??????//使用用外部觸發(SWSTART)!!! 必須使用一個事件來觸發
ADC1->CR2&=~(1<<11);???//右對齊 ?
ADC1->SQR1&=~(0XF<<20);//規則通道序列長度清零
ADC1->SQR1|=0<<20;?????//1個轉換在規則序列中?也就是轉換規則序列1? ???
//設置通道1314的采樣時間
ADC1->SMPR1&=~(7<<9);??//通道13采樣時間清空 ??
? ADC1->SMPR1|=7<<9;?????//通道13??239.5周期提高采樣時間
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????I.A....??????2307??2017-11-05?22:00??Buck\Control_Demo\HARDWARE\ADC\adc.c
????I.A....???????814??2017-11-07?19:57??Buck\Control_Demo\HARDWARE\ADC\adc.h
????I.A....??????1015??2017-11-06?22:14??Buck\Control_Demo\HARDWARE\CONTROL\control.c
????I.A....???????690??2017-11-06?16:52??Buck\Control_Demo\HARDWARE\CONTROL\control.h
????I.A....??????1180??2017-11-18?19:40??Buck\Control_Demo\HARDWARE\DAC\dac.c
????I.A....???????647??2017-11-18?19:39??Buck\Control_Demo\HARDWARE\DAC\dac.h
????I.A....??????1308??2017-11-06?22:14??Buck\Control_Demo\HARDWARE\EXTI\exti.c
????I.A....???????628??2011-01-12?20:51??Buck\Control_Demo\HARDWARE\EXTI\exti.h
????I.A....??????1974??2018-12-03?16:24??Buck\Control_Demo\HARDWARE\KEY\key.c
????I.A....???????836??2018-12-03?15:47??Buck\Control_Demo\HARDWARE\KEY\key.h
????I.A....???????910??2018-12-03?15:30??Buck\Control_Demo\HARDWARE\LED\led.c
????I.A....???????288??2018-12-03?15:31??Buck\Control_Demo\HARDWARE\LED\led.h
????I.A....??????5702??2018-12-03?16:22??Buck\Control_Demo\HARDWARE\TIMER\timer.c
????I.A....???????903??2018-12-03?15:56??Buck\Control_Demo\HARDWARE\TIMER\timer.h
????I.A....??????1637??2017-11-06?22:14??Buck\Control_Demo\HARDWARE\WDG\wdg.c
????I.A....???????756??2011-01-12?20:56??Buck\Control_Demo\HARDWARE\WDG\wdg.h
????I.A....???????399??2011-04-23?10:24??Buck\Control_Demo\keilkilll.bat
????I.A....???????500??2012-07-19?22:10??Buck\Control_Demo\README.TXT
????I.A....??????2067??2013-04-03?12:14??Buck\Control_Demo\SYSTEM\delay\delay.c
????I.A....???????905??2013-04-03?12:14??Buck\Control_Demo\SYSTEM\delay\delay.h
????I.A....??????2225??2009-05-07?14:42??Buck\Control_Demo\SYSTEM\sys\cortexm3_macro.h
????I.A....??????6194??2009-05-07?14:42??Buck\Control_Demo\SYSTEM\sys\stm32f10x_conf.h
????I.A....??????4529??2012-12-18?12:35??Buck\Control_Demo\SYSTEM\sys\stm32f10x_it.h
????I.A....?????28290??2009-05-07?14:42??Buck\Control_Demo\SYSTEM\sys\stm32f10x_map.h
????I.A....?????19198??2009-05-07?14:42??Buck\Control_Demo\SYSTEM\sys\stm32f10x_nvic.h
????I.A....??????3388??2009-05-07?14:42??Buck\Control_Demo\SYSTEM\sys\stm32f10x_type.h
????I.A....??????6954??2017-11-01?15:46??Buck\Control_Demo\SYSTEM\sys\sys.c
????I.A....??????3868??2013-04-03?12:13??Buck\Control_Demo\SYSTEM\sys\sys.h
????I.A....??????3342??2011-04-17?15:42??Buck\Control_Demo\SYSTEM\usart\usart.c
????I.A....??????1083??2013-04-03?12:13??Buck\Control_Demo\SYSTEM\usart\usart.h
............此處省略81個文件信息
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