添加一些注释

PLSR/PLSR/Core/Src/tim.c

@@ -981,6 +981,7 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
                 }
                 else if(PlsrRoute.decel_pulse_count > 0)
                 {
+                    /*目标频率target_freq是设定的,part1_target_freq是计算的,如果统一标识能达到目标频率*/
                     if(PlsrRoute.section[PlsrRoute.current_section_num-1].target_freq == PlsrRoute.part1_target_freq && PlsrRoute.current_part == PLSR_PART_1)
                     {
                         PlsrRoute.current_freq = PlsrRoute.target_freq;
@@ -1416,7 +1417,7 @@ uint8_t PLSR_Section_StartNewSection(PLSR_RouteConfig_t* route)
             current_section->actual_pulse = SectionUpdatePluse + current_section->target_pulse - PlsrTotalPulseCount;
             else
             current_section->actual_pulse = SectionUpdatePluse + (-current_section->target_pulse) - PlsrTotalPulseCount;
-            
+
             current_section->actual_pulse += 1;
         }
         else
@@ -1620,8 +1621,8 @@ void PLSR_SetupThreePartExecution(PLSR_RouteConfig_t* route)
                         HAL_TIM_GenerateEvent(&htim10, TIM_EVENTSOURCE_UPDATE);
                     }
                     if(FirstFlag == 0 && route->current_freq != 0) //在这里第一次启动PWM输出避免发默认脉冲
-        {
-            FirstFlag = 1;
+                    {
+                        FirstFlag = 1;
                         switch (route->output_port)
                         {
                         case 0: