"I. open the file (you can download it with the text and open it in the document)（ (as shown in Figure 1 below)
Figure 1
2、 Adjust the virtual device and save the project file as（ (as shown in Figure 2, 3 and 4 below)
Figure 2
Figure 3
Figure 4
3、 Click the source code tab（ (as shown in Figure 5 below)
Figure 5
4、 Edit the codes of main. C, timer. C, timer. H, key. C, key. H, led. C and led. H, as shown in proteus8.9 simulation stm32407zgt6 Series 001 (as shown in Figure 6 below)
Figure 6
5、 Main. C code:
/* Main.c file generated by New Project wizard
* Author： Ziegler Yin
* Created: Thursday January 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] = {"" unselected "", "" a line "", "" B line "", "" C line "", "" D line "", "" frequency conversion 1-A, B, C frequency multiplication or initial state "", "" frequency conversion 2-D frequency multiplication or initial state ""};
NVIC_ PriorityGroupConfig(NVIC_ PriorityGroup_ 2);// Set system interrupt priority group 2
delay_ init(168); // Initialization delay function
uart_ init(9600);// The baud rate of initialization serial port is 115200
LED_ Init();
KEY_ Init();
Uprint ("" Hello everyone\ r\n"");
Let's build a ventilator\ 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 ("" control chip stm32f407zgt6_ 008_ PWM simulation begins\ r\n"");
delay_ ms(100);
while(1)
{
wd= lnslt[status]; ;
Uprint ("" arm runtime... Duty cycle: \ R \ n "");
uprint(wd);
Uprint ("line adjustable status: \ R \ n" ");
if(1==ReadKey(GPIOC, 0x0080)) {
status++;
delay_ ms(20);
if(status> 6) status= 0;
wd= lnslt[status]; ;
Uprint ("" line adjustment status... Duty cycle "");
uprint(wd);
Uprint ("line adjustable status: \ 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 ("line adjustment, duty cycle reaches the highest value... \ R \ n" ");
st_ fig(status, (per+ 1));
}
else{
LED0= 1;
pwmval= gt_ fig(status);
gtln= nmtoa(wds, 10, pwmval);
umd= pwmval +50;
Uprint ("line adjustment, duty cycle from" ");
uprint(wds);
Uprint ("" increase by 50 to "");
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 ("" adjust the frequency of line a, B and C to double... \ R \ n "");
delay_ ms(200);
}
else{
chgFry[0]= 0;
tm43[0][0]= 840;
new_ Pwm(tm43, idc);
Uprint ("line a, B, C frequency adjusted to initial state... \ 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 ("line D frequency adjusted to quadruple... \ R \ n" ");
delay_ ms(200);
}
else{
chgFry[1]= 0;
tm43[1][0]= 840; tm43[1][1]= 600;
new_ Pwm(tm43, idc);
Uprint ("adjust line D frequency to initial state... \ R \ n" ");
delay_ ms(200);
}
}
delay_ ms(20);
pwmval= gt_ fig(status);
gtln= nmtoa(wds, 10, pwmval);
Uprint ("" arm runtime... Duty cycle "");
uprint(wd);
Uprint ("line adjustment by" ");
uprint(wds);
Uprint ("" clear "");
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 ("line adjustment, duty cycle from" ");
uprint(wds);
Uprint ("" reduced by 50 to "");
uprint(numtoa(10, umd));
uprint("" ...\r\n "");
st_ fig(status, umd);
}
else {
umd= 1;
Uprint ("line adjustment, duty cycle reaches the lowest value... \ R \ n" ");
st_ fig(status, 1);
}
}
LED0= LED1= LED2= 0;
delay_ ms(100);
}
}
The codes before key. C, key. H, led. C, led. H, time. C and time. H can be used for reference. They are not listed in multiple columns, and will not be listed one by one in the future. Only the. C,. H codes of main. C and related functions are listed.
6、 Click the build project button to compile the project（ (as shown in Figure 7 below)
Figure 7
7、 Click the simulation button at the bottom left of the window, the red, yellow and green lights will be on and off for a while, and the simulation will start. Press the select button, select "" frequency conversion 1-A, B, C frequency doubling or initial state "", "" frequency conversion 2-D frequency doubling or initial state "", and press key_ Zero button, frequency doubling, frequency quadrupling or initial state. For the commissioning of duty cycle, see the blogger's proteus8.9 simulation stm32407zgt6 series 009_ PWM multi-channel adjustable duty cycle output text. Virtual serial port, the oscilloscope will display the status change of on the screen（ As shown in Figures 8, 9, 10 and 11 below)
Figure 8
Figure 9
Figure 10
Figure 11
8、 Select release and click the build project button to compile the project to generate a hex file（ (as shown in Figure 12 below)
Figure 12
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