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Bluetooth® Sample Application Programmer's Reference
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Keyboard processing
Presentation
Functions | |
| int | kbdStart (unsigned char fls) |
| start waiting for a key More... | |
| int | kbdStop (void) |
| stop waiting for a key More... | |
| char | kbdKey (void) |
| get a key pressed More... | |
Function Documentation
| int kbdStart | ( | unsigned char | fls | ) |
start waiting for a key
Start waiting for a key. This function should be called when an application is ready to accept a user input. The keys waiting in the buffer are flushed if fls is not zero.
- Parameters
-
fls (I) Indicates whether key flush is to be done
- Returns
- non-negative value if OK; negative otherwise Utilities.h Peripherals.c
| int kbdStop | ( | void | ) |
stop waiting for a key
Stop waiting for a key. All the keys pressed after calling this function will be ignored.
- Returns
- 0 Utilities.h Peripherals.c
| char kbdKey | ( | void | ) |
get a key pressed
Retrieve a key pressed if any. Return its key code.
- Returns
- Key code according to eKbd enum.
- If no key pressed zero value is returned.
- In case of error it returns 0xFF. Utilities.h Peripherals.c
