/challenges-projects/design-challenges/makelifeaccessible/b/blog/posts/step-four-4-2-programming-and-software-design4.2 The revised Program Flow4.2.1 My previous plan is running on FreeRTOS, which is fit for time-critical tasks and more concise in programming. Of course, application of interruption can do same job but if I have enough resource, I still would like ten-USTelligent Community 12