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一，打開文件（可以隨文下載放置在文檔中打開）。(如下圖1所示)
圖1
二，調(diào)整虛擬器件，另存工程文件。(如下圖2，3，4所示)
圖2
圖3
圖4
三，點擊Source Code標(biāo)簽。(如下圖5所示)
圖5
四，編輯main.c，timer.c，timer.h， key.c，key.h， led.c，led.h 代碼如Proteus8.9 仿真STM32407ZGT6系列001(如下圖6所示)
圖6
五，Main.c 代碼：
/* Main.c file generated by New Project wizard
* Author： Ziegler Yin
* Created: 周四 一月 16 2020
* Processor: STM32F407ZGT6ZGT6
* Compiler: GCC for ARM
*/
#include "mfuncs.h"
#include "delay.h"
#include "usart.h"
#include "led.h"
#include "key.h"
#include "timer.h"
#define RT(A , B) (A> 300)? (B= 0): (B=1)
uint32_t gt_fig(u8 sts){
if(1== sts) return TIM_GetCapture1(TIM4);
if(2== sts) return TIM_GetCapture2(TIM4);
if(3== sts) return TIM_GetCapture3(TIM4);
if(4== sts) return TIM_GetCapture4(TIM4);
}
void st_fig(u8 sts, uint32_t gt){
if(1== sts) TIM_SetCompare1(TIM4, gt);
if(2== sts) TIM_SetCompare2(TIM4, gt);
if(3== sts) TIM_SetCompare3(TIM4, gt);
if(4== sts) TIM_SetCompare4(TIM4, gt);
}
int main(void)
{
u16 psc=840, per=600, idc[4]= {500, 200, 300, 400};
u16 umd, pwmval=0;
u8 status= 0, dir= 1;
int gtln= 0;
char *wd, *wds, lnslt[5]={'_', 'A', 'B', 'C', 'D'};
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//設(shè)置系統(tǒng)中斷優(yōu)先級分組2
delay_init(168); //初始化延時函數(shù)
uart_init(9600);//初始化串口波特率為115200
LED_Init();
KEY_Init();
uprint("大家好！！！\r\n");
uprint("大家來造呼吸機(jī)-----。\r\n");
LED0= LED1= LED2= 1;
Pwm_Init(psc, per);
TIM_SetCompare1(TIM4, idc[0]);
TIM_SetCompare2(TIM4, idc[1]);
TIM_SetCompare3(TIM4, idc[2]);
TIM_SetCompare4(TIM4, idc[3]);
uprint("控制芯片STM32F407ZGT6_008_PWM仿真開始了。\r\n");
delay_ms(100);
while(1)
{
wd[0]=lnslt[status];
wd[1]= 0;
uprint("Arm運(yùn)行時......占空比");
uprint(wd);
uprint("線路可調(diào)整狀態(tài):\r\n");
if(1==ReadKey(GPIOC, 0x0080)) {
status++;
delay_ms(20);
if(status> 4) status= 0;
wd[0]=lnslt[status];
wd[1]= 0;
uprint("線路調(diào)整狀態(tài)......占空比");
uprint(wd);
uprint("線路可調(diào)整狀態(tài):\r\n");
}
if(1==ReadKey(GPIOC, 0x0010)) {
LED0= 1;
pwmval= gt_fig(status);
gtln= nmtoa(wds, 10, pwmval);
if(status>0){
if(per< (pwmval+ 50)) {
uprint("線路調(diào)整, 占空值到達(dá)最高值 ......\r\n");
st_fig(status, (per+ 1));
}
else{
LED0= 1;
pwmval= gt_fig(status);
gtln= nmtoa(wds, 10, pwmval);
umd= pwmval +50;
uprint("線路調(diào)整, 占空值由 ");
uprint(wds);
uprint(" 增加50");
uprint(" ...\r\n ");
st_fig(status, umd);
}
}
}
if(1==ReadKey(GPIOC, 0x0020)) {
LED1= 1;
delay_ms(20);
pwmval= gt_fig(status);
gtln= nmtoa(wds, 10, pwmval);
uprint("Arm運(yùn)行時......占空比");
uprint(wd);
uprint("線路調(diào)整, 由 ");
uprint(wds);
uprint(" 清零 ");
uprint(" ...\r\n ");
st_fig(status, 0);
}
if(1==ReadKey(GPIOC, 0x0040)) {
LED2= 1;
pwmval= gt_fig(status);
gtln= nmtoa(wds, 10, pwmval);
if(pwmval> 50) umd= pwmval -50;
else umd= 1;
uprint("線路調(diào)整, 占空值由 ");
uprint(wds);
uprint(" 減少50");
uprint(" ...\r\n ");
st_fig(status, umd);
}
LED0= LED1= LED2= 0;
delay_ms(100);
}
}
timer.c代碼：
#include "mfuncs.h"
#include "timer.h"
#include "led.h"
void PWM_GPIO(void){
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource5, GPIO_AF_TIM3);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_TIM4);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_TIM4);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_TIM4);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource9, GPIO_AF_TIM4);
}
// PWM 定時器配置
void Pwm_Init(u16 TimerPrescaler, u32 TimerPeriod)
{
PWM_GPIO();
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4 , ENABLE);
TIM_TimeBaseStructure.TIM_Prescaler = TimerPrescaler-1; // 時鐘預(yù)分頻數(shù)
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上計數(shù)
TIM_TimeBaseStructure.TIM_Period = TimerPeriod-1; // 自動重裝載寄存器的值
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; //重復(fù)寄存器，用于自動更新pwm占空比
TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; //使能該通道輸出
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //設(shè)置互補(bǔ)端輸出極性
TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High; //使能互補(bǔ)端輸出
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; //死區(qū)后輸出狀態(tài)??
TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset; //死區(qū)后互補(bǔ)端輸出狀態(tài)??
/* TIM1 counter enable */
TIM_OCInitStructure.TIM_Pulse = 0; //設(shè)置占空比時間
TIM_OC1Init(TIM4, &TIM_OCInitStructure);
TIM_OCInitStructure.TIM_Pulse = 0; //設(shè)置占空比時間
TIM_OC2Init(TIM4, &TIM_OCInitStructure);
TIM_OCInitStructure.TIM_Pulse = 0; //設(shè)置占空比時間
TIM_OC3Init(TIM4, &TIM_OCInitStructure);
TIM_OCInitStructure.TIM_Pulse = 0; //設(shè)置占空比時間
TIM_OC4Init(TIM4, &TIM_OCInitStructure);
TIM_Cmd(TIM4, ENABLE);
TIM_CtrlPWMOutputs(TIM4, ENABLE);
}
timer.h代碼
#ifndef _TIMER_H
#define _TIMER_H
#include "sys.h"
void PWM_GPIO(void);
void Pwm_Init(u16 TimerPrescaler, u32 TimerPeriod);
#endif
key.c,key.h, led.c led.h之前的代碼都可借鑒，不在多列，以后不再一一羅列，只列main.c 與相關(guān)功能的.c, .h代碼。
六，點擊構(gòu)建工程按鈕，編譯工程。(如下圖7所示)
圖7
七，點擊窗口左下方仿真按鈕，可見紅，黃，綠燈點亮后一會滅，仿真開始，按下SELECT按鈕，選擇要調(diào)整的線路，按下KEY_ADD占空比增加；按下KEY_MINUS按鈕，占空比減少；按下KEY_ZERO按鈕，占空比清零。虛擬串口,示波器將的狀態(tài)變化顯示在屏。 (如下圖8，9，10所示)
圖8
圖9
圖10
八，選擇release，點擊構(gòu)建工程按鈕，編譯工程生成Hex文件。(如下圖11所示)
圖11
九， 系列的001-003虛擬仿真與開發(fā)板對應(yīng)已證明：虛擬仿真程序?qū)τ陂_發(fā)板有效，之后不再➕上下載到開發(fā)板的介紹。
附件Proteus8.9 仿真STM32407ZGT6系列009_PWM多路可調(diào)占空比輸出在已安裝Proteus8.9的計算機(jī)文件夾中打開即可
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009_PWM多路可調(diào)占空比輸出pt.rar
2020-4-28 19:11 上傳
點擊文件名下載附件
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附件Proteus8.9 仿真STM32407ZGT6系列009_PWM多路可調(diào)占空比輸出在已安裝Proteus8.9的計算機(jī)文件夾中打開即 ...
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