Beschreibung :<\/strong><\/p>\n Auf dem Discovery Board gibt es einen (blauen) Button der vom User benutzt werden kann.\u00a0Mit dieser Library kann der Status vom Button abgefragt werden.<\/p>\n Module :<\/strong><\/p>\n Includes :<\/strong><\/p>\n Enumerationen und Defines:<\/strong><\/p>\n Funktionen :<\/strong><\/p>\n Beispiel :<\/strong><\/p>\n Hier die Library zum\u00a0Download :<\/strong><\/p>\n 02 = Button :\u00a0f746_button_v100<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" Beschreibung : Auf dem Discovery Board gibt es einen (blauen) Button der vom User benutzt werden kann.\u00a0Mit dieser Library kann der Status vom Button abgefragt werden. Module : stm32_ub_button.h, stm32_ub_button.c Includes : #include „stm32_ub_system.h“ #include „stdbool.h“; Enumerationen und Defines: \/\/————————————————————– … Weiterlesen →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":182,"menu_order":2,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[130],"tags":[91,9,105],"class_list":["post-1389","page","type-page","status-publish","hentry","category-stm32f746","tag-button","tag-library","tag-stm32f746"],"_links":{"self":[{"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/pages\/1389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1389"}],"version-history":[{"count":7,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/pages\/1389\/revisions"}],"predecessor-version":[{"id":1543,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/pages\/1389\/revisions\/1543"}],"up":[{"embeddable":true,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=\/wp\/v2\/pages\/182"}],"wp:attachment":[{"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mikrocontroller.bplaced.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}stm32_ub_button.h, stm32_ub_button.c\r\n<\/pre>\n
#include \"stm32_ub_system.h\"\r\n#include \"stdbool.h\";\r\n<\/pre>\n
\/\/--------------------------------------------------------------\r\n\/\/ Liste aller Buttons\r\n\/\/ (keine Nummer doppelt und von 0 beginnend)\r\n\/\/--------------------------------------------------------------\r\ntypedef enum \r\n{\r\n BTN_USER = 0 \/\/ BTN auf dem STM32F746-Discovery\r\n}BUTTON_NAME_t;\r\n\r\n\/\/--------------------------------------------------------------\r\n\/\/ Status eines Buttons\r\n\/\/--------------------------------------------------------------\r\ntypedef enum {\r\n BTN_RELEASED = 0, \/\/ Button losgelassen\r\n BTN_PRESSED \/\/ Button gedrueckt\r\n}BUTTON_STATUS_t;\r\n\r\n\/\/--------------------------------------------------------------\r\n\/\/ Struktur eines Buttons\r\n\/\/--------------------------------------------------------------\r\ntypedef struct {\r\n BUTTON_NAME_t BUTTON_NAME; \/\/ Name\r\n GPIO_TypeDef* BUTTON_PORT; \/\/ Port\r\n const uint16_t BUTTON_PIN; \/\/ Pin\r\n const uint32_t BUTTON_R; \/\/ Widerstand\r\n uint8_t BUTTON_AKT; \/\/ Istwert\r\n uint32_t BUTTON_TIC; \/\/ Timerwert\r\n}BUTTON_t;\r\n\r\n\/\/--------------------------------------------------------------\r\n#define BUTTON_INTERVALL 50 \/\/ 50ms zum entprellen\r\n<\/pre>\nvoid UB_Button_Init(void); \/\/ zum init der Buttons\r\nBUTTON_STATUS_t UB_Button_Read(BUTTON_NAME_t btn_name); \/\/ um einen Button auszulesen (nicht entprellt)\r\nbool UB_Button_OnPressed(BUTTON_NAME_t btn_name); \/\/ true, wenn der Button bet\u00e4tigt ist (entprellt)\r\nbool UB_Button_OnClick(BUTTON_NAME_t btn_name); \/\/ true, beim dr\u00fccken vom Button (entprellt)\r\nbool UB_Button_OnRelease(BUTTON_NAME_t btn_name); \/\/ true, beim loslassen vom Button (entprellt)\r\n<\/pre>\n
\/\/--------------------------------------------------------------\r\n\/\/ File : main.c\r\n\/\/ Datum : 12.07.2015\r\n\/\/ Version : 1.0\r\n\/\/ Autor : UB\r\n\/\/ EMail : mc-4u(@)t-online.de\r\n\/\/ Web : www.mikrocontroller-4u.de\r\n\/\/ CPU : STM32F746\r\n\/\/ Board : STM32F746-Discovery-Board\r\n\/\/ IDE : OpenSTM32\r\n\/\/ GCC : 4.9 2015q2\r\n\/\/ Module : CubeHAL\r\n\/\/ Funktion : Hauptprogramm\r\n\/\/--------------------------------------------------------------\r\n\r\n\r\n#include \"stm32_ub_system.h\"\r\n#include \"stm32_ub_led.h\"\r\n#include \"stm32_ub_button.h\"\r\n\r\n\r\nint main(void)\r\n{\r\n \/\/ init vom System\r\n UB_System_Init();\r\n\r\n \/\/ init der LED\r\n UB_Led_Init();\r\n \/\/ init vom Button\r\n UB_Button_Init();\r\n\r\n while(1) {\r\n HAL_Delay(100);\r\n \/\/ Test ob Button gedr\u00fcckt ist\r\n if(UB_Button_Read(BTN_USER)==BTN_PRESSED) {\r\n UB_Led_On(LED_GREEN); \/\/ gruene LED einschalten\r\n }\r\n else {\r\n UB_Led_Off(LED_GREEN); \/\/ gruene LED ausschalten\r\n }\r\n }\r\n}\r\n<\/pre>\n