update

README.md

@@ -42,4 +42,33 @@ Tip:
 	stm32_pwm_computer.exe stm32系统时钟(mhz) 期望的PWM频率(khz)
 ```
 
-![image-20211227114033164](markdown.assets/README.assets/image-20211227114033164.png)
+```powershell
+C:\Users\zhaohe\Desktop\stm32_timer_pwm_computer\release>stm32_pwm_computer.exe 168 33
+******************************************************
+* author: 赵贺                                       *
+* e-mail: zhaohe@163.net                             *
+******************************************************
+*
+* systemclk  : 168.000000 mhz
+* expect freq: 33.000000 khz
+*
+******************************************************
+* APB1: TIM2  TIM3  TIM4  TIM5  TIM6  TIM7
+*       TIM12 TIM13 TIM14
+*
+* timer_module_clk: 84.000000 mhz
+* freq            : 33.005895 khz
+* period          : 0.030298 ms
+* prescaler       : 0
+* autoreload      : 2544
+*
+* APB2: TIM1 TIM8 TIM9 TIM10 TIM11
+*
+* timer_module_clk: 168.000000 mhz
+* freq            : 33.005895 khz
+* period          : 0.030298 ms
+* prescaler       : 0
+* autoreload      : 5089
+******************************************************
+```
+

windows/stm32_pwm_computer.cpp

@@ -66,8 +66,14 @@ int main(int argc, char const* argv[])
     sscanf(argv[1], "%f", &systemclk);
     sscanf(argv[2], "%f", &expect_freq);
 
-    printf("systemclk  : %f mhz\n", systemclk);
-    printf("expect freq: %f khz\n", expect_freq);
+    printf("******************************************************\n");
+    printf("* author: 赵贺                                       *\n");
+    printf("* e-mail: zhaohe@163.net                             *\n");
+    printf("******************************************************\n");
+    printf("*\n");
+    printf("* systemclk  : %f mhz\n", systemclk);
+    printf("* expect freq: %f khz\n", expect_freq);
+    printf("*\n");
 
     int32_t infreq = (int32_t)(expect_freq * 1000);
     timer_config_t timerconfig_apb1;
@@ -79,7 +85,8 @@ int main(int argc, char const* argv[])
     compute_timer_parameter(&timerconfig_apb2, systemclk, infreq);
 
     printf("******************************************************\n");
-    printf("* APB1: TIM2 TIM3 TIM4 TIM5 TIM6 TIM7 TIM12 TIM13 TIM14\n");
+    printf("* APB1: TIM2  TIM3  TIM4  TIM5  TIM6  TIM7\n");
+    printf("*       TIM12 TIM13 TIM14     \n");
     printf("*\n");
     printf("* timer_module_clk: %f mhz\n", systemclk / 2);
     printf("* freq            : %f khz\n", timerconfig_apb1.realfreq / 1000.0);
@@ -87,7 +94,6 @@ int main(int argc, char const* argv[])
     printf("* prescaler       : %d \n", timerconfig_apb1.prescaler);
     printf("* autoreload      : %d \n", timerconfig_apb1.autoreload);
     printf("*\n");
-    printf("**\n");
     printf("* APB2: TIM1 TIM8 TIM9 TIM10 TIM11\n");
     printf("*\n");
     printf("* timer_module_clk: %f mhz\n", systemclk);
@@ -95,6 +101,6 @@ int main(int argc, char const* argv[])
     printf("* period          : %f ms\n", (1.0 / timerconfig_apb2.realfreq * 1000));
     printf("* prescaler       : %d \n", timerconfig_apb2.prescaler);
     printf("* autoreload      : %d \n", timerconfig_apb2.autoreload);
-    printf("***\n");
+    printf("******************************************************\n");
     return 0;
 }