Stijn Dirickx
IoT werksessies embedded
Fork of
PGO6_VoteController_template
by 
Jens de hoog
debounce_button.h@0:fd29cd85e75e, 2017-10-26 (annotated)
- Committer:
- jensdehoog
- Date:
- Thu Oct 26 07:33:07 2017 +0000
- Revision:
- 0:fd29cd85e75e
Added the template for the assignment of the Vote Controller
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| jensdehoog | 0:fd29cd85e75e | 1 | #include "mbed.h" |
| jensdehoog | 0:fd29cd85e75e | 2 | |
| jensdehoog | 0:fd29cd85e75e | 3 | /** |
| jensdehoog | 0:fd29cd85e75e | 4 | Due to the imperfect design of the buttons, a press on the button is registered multple times. |
| jensdehoog | 0:fd29cd85e75e | 5 | The debouncer module makes sure that these false positives of the button are going to be ignored. |
| jensdehoog | 0:fd29cd85e75e | 6 | |
| jensdehoog | 0:fd29cd85e75e | 7 | Also, this module provides a multiclick service which allows the user to press the button multiple times |
| jensdehoog | 0:fd29cd85e75e | 8 | within a certain time frame. Therefore, multiple actions can be mapped to a single button. |
| jensdehoog | 0:fd29cd85e75e | 9 | |
| jensdehoog | 0:fd29cd85e75e | 10 | */ |
| jensdehoog | 0:fd29cd85e75e | 11 | |
| jensdehoog | 0:fd29cd85e75e | 12 | extern volatile bool button1_pressed; // Used in the main loop |
| jensdehoog | 0:fd29cd85e75e | 13 | extern volatile bool button1_enabled; // Used for debouncing |
| jensdehoog | 0:fd29cd85e75e | 14 | extern volatile int multiclick_state; // Counts how many clicks occured in the time slot, used in main loop |
| jensdehoog | 0:fd29cd85e75e | 15 | extern volatile bool button1_busy; // Informs the mainloop that the user is clicking the button |
| jensdehoog | 0:fd29cd85e75e | 16 | |
| jensdehoog | 0:fd29cd85e75e | 17 | void button1_multiclick_reset_cb(void); // Resets the amount of clicks, but stores this value for the usage in the main loop |
| jensdehoog | 0:fd29cd85e75e | 18 | void button1_enabled_cb(void); // Enables the button again after a timeout, used for debouncing the button |
| jensdehoog | 0:fd29cd85e75e | 19 | void button1_onpressed_cb(void); // Callback which is called when the user presses the button |