{"id":7043,"date":"2022-02-01T04:03:32","date_gmt":"2022-02-01T04:03:32","guid":{"rendered":"http:\/\/fastbitlab.com\/?p=7043"},"modified":"2023-08-08T14:09:48","modified_gmt":"2023-08-08T08:39:48","slug":"fsm-lecture-22-exercise-003-defining-initial-transition-function","status":"publish","type":"post","link":"https:\/\/fastbitlab.com\/blog\/fsm-lecture-22-exercise-003-defining-initial-transition-function\/","title":{"rendered":"FSM Lecture 22: Exercise-003 Defining initial transition function"},"content":{"rendered":"
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Exercise-003 Defining initial transition function<\/span><\/strong><\/h1>\n
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In the protimer_state_mach.cpp, we will implement the state machine. First, let\u2019s start with our initial transition.<\/span><\/p>\n

#include<\/span> \"main.h\"\r\n\r\nvoid<\/span> protimer_init(protimer_t *mobj){\r\nmobj->active_state = IDLE;\r\nmobj->pro_time = 0;\r\n}<\/pre>\n
 protimer_state_mach.cpp <\/span><\/p>\n
The Initial transition function is shown in above. <\/span><\/p>\n
Create one function. void protimer_init(). <\/span><\/p>\n
Here, the function argument will be pointed to the main application structure. The main application structure is protimer_t; I will give the pointer variable name mobj. This variable we used throughout the state machine diagram.<\/span><\/p>\n
And  mobj->active_state = IDLE. We have got associated action(Initial transition action). That is, we have to initialize the mobj->pro_time = 0. <\/span><\/p>\n
You have to call the protimer_init function from the main.cpp. <\/span><\/p>\n
 <\/p>\n
#include<\/span> \"main.h\"\r\n\r\n\/*Main application object *\/<\/span>\r\nstatic<\/span> protimer_t protimer;\r\n\r\nvoid<\/span> setup() {\r\n\/\/ put your setup code here, to run once:<\/span>\r\n  protimer_init(&protimer);\r\n}<\/pre>\n
main.cpp<\/span><\/p>\n
In the main.cpp, first, let\u2019s create the main application object as a global variable protimer. <\/span><\/p>\n
protimer_t protimer is a main application object. You can also protect the main application object using the \u2018static\u2019 keyword.<\/span> And send the address, write in the setup function; protimer_init(&protimer). <\/span> <\/span><\/p>\n
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protimer_state_mach.cpp file has to share the prototype of that function. <\/span><\/p>\n
For that, just copy the void_protimer(protimer_t *mobj) function declarator in protimer_state_mach.cpp and go to main.h and will give the prototype(Figure 1). <\/span><\/p>\n
\"Exercise-003
Figure 1. Initial transition function<\/span><\/figcaption><\/figure>\n
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FastBit Embedded Brain Academy Courses<\/b><\/span><\/p>\n
click here:<\/span> https:\/\/fastbitlab.com\/course1<\/a><\/span><\/p>\n
 <\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
  Exercise-003 Defining initial transition function     In the protimer_state_mach.cpp, we will implement the state machine. First, let\u2019s start with our initial transition. #include “main.h” void protimer_init(protimer_t *mobj){ mobj->active_state = IDLE; mobj->pro_time = 0; } protimer_state_mach.cpp  The Initial transition function is shown in above. Create one function. void protimer_init(). Here, the function argument will […]<\/p>\n","protected":false},"author":1,"featured_media":7046,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[8],"tags":[17],"class_list":["post-7043","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-finite-state-machine","entry","has-media"],"yoast_head":"\nDefining initial transition function | Finite state Machine(FSM)<\/title>\n<meta name=\"description\" content=\"Exercise-003 Defining initial transition function. 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