?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(diǎn)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);
}

void new_Pwm(u16 *tmbuf, u16 * mdc) {
?Pwm_Init(*(tmbuf+0), *(tmbuf+1));
?TIM_SetCompare1(TIM4, mdc[0]);
?TIM_SetCompare2(TIM4, mdc[1]);
?TIM_SetCompare3(TIM4, mdc[2]);

?Pwm_Init3(*(tmbuf+2), *(tmbuf+3));
?TIM_SetCompare2(TIM3, mdc[1]);
}

int main(void)
{
?u16 psc=840, per=600, idc[4]= {500, 200, 300, 400};
?u16 umd, pwmval=0, tm43[2][2]= {840, 600, 1680, 1200};???
?u8 status= 0, dir= 1, chgFry[1]= {0, 0};
?int gtln= 0;
?char *wd, *wds, *lnslt[7]={"未選", "A線路", "B線路", "C線路", "D線路", "變頻1-A,B,C倍頻或初始狀態(tài)", "變頻2-D四倍頻或初始狀態(tài)"};
?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(shí)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");
???gtln= nmtoa(wd, 10, psc);
???uprint(wd); uprint("\r\n");
???gtln= nmtoa(wd, 10, (psc+10000));
???uprint(wd); uprint("\r\n");

?LED0= LED1= LED2= 1;

?chgFry[0]= 0;?
?chgFry[1]= 4;
?new_Pwm(tm43, idc);?
?
?uprint("控制芯片STM32F407ZGT6_008_PWM仿真開始了。\r\n");
??delay_ms(100);?

?? while(1)
?{
???wd= lnslt[status]; ;
??uprint("Arm運(yùn)行時(shí)......占空比:\r\n");?
??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> 6) status= 0;
???wd= lnslt[status]; ;
???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 至");
?????uprint(numtoa(10, umd));
?????uprint(" ...\r\n ");
?????st_fig(status, umd);
????}
???}
??}
??if(1==ReadKey(GPIOC, 0x0020)) {
???LED1= 1;?
???if(status==5) {
????if(chgFry[0]==0) {
?????chgFry[0]= 2;
?????tm43[0][0]= 1680;
?????new_Pwm(tm43, idc);?
?????uprint("線路A,B,C頻率調(diào)整到倍頻...\r\n");
?????delay_ms(200);
????}
????else{
?????chgFry[0]= 0;
?????tm43[0][0]= 840;
?????new_Pwm(tm43, idc);?
?????uprint("線路A,B,C頻率調(diào)整到初始狀態(tài)...\r\n");
?????delay_ms(200);
????}
???}
???if(status==6) {
????if(chgFry[1]==0) {
?????chgFry[1]= 4;
?????tm43[1][0]= 1680; tm43[1][1]= 1200;
?????new_Pwm(tm43, idc);?
?????uprint("線路D頻率調(diào)整到四倍頻...\r\n");
?????delay_ms(200);
????}
????else{
?????chgFry[1]= 0;
?????tm43[1][0]= 840; tm43[1][1]= 600;
?????new_Pwm(tm43, idc);?
?????uprint("線路D頻率調(diào)整到初始狀態(tài)...\r\n");
?????delay_ms(200);
????}
???}
?????? delay_ms(20);
???pwmval= gt_fig(status);
???gtln= nmtoa(wds, 10, pwmval);
???uprint("Arm運(yùn)行時(shí)......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;
???uprint("線路調(diào)整, 占空值由 ");
???uprint(wds);
???uprint(" 減少50 至 ");
???uprint(numtoa(10, umd));
???uprint(" ...\r\n ");
???st_fig(status, umd);
???}
???else {
????umd= 1;
????uprint("線路調(diào)整, 占空值到達(dá)最低值 ......\r\n");
????st_fig(status, 1);
???}
??}
??LED0= LED1= LED2= 0;
???delay_ms(100);?
?}
}

?
key.c,key.h, led.c led.h,time.c,time.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(diǎn)擊構(gòu)建工程按鈕，編譯工程。(如下圖7所示)
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圖7

七，點(diǎn)擊窗口左下方仿真按鈕，可見紅，黃，綠燈點(diǎn)亮后一會滅，仿真開始，按下SELECT按鈕，選擇"變頻1-A,B,C倍頻或初始狀態(tài)", "變頻2-D四倍頻或初始狀態(tài)"，按下按下KEY_ZERO按鈕，倍頻， 四倍頻或初始狀態(tài)。占空比的調(diào)試，參見：博主的Proteus8.9 仿真STM32407ZGT6系列009_PWM多路可調(diào)占空比輸出文。虛擬串口,示波器將的狀態(tài)變化顯示在屏。 (如下圖8，9，10,11所示)
?圖8

?
圖9
?
圖10

圖11

八，選擇release，點(diǎn)擊構(gòu)建工程按鈕，編譯工程生成Hex文件。(如下圖12所示)
?圖12

lw