Dai Yokota
TTP229 16key touch keypad
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TTP229 Class Reference
16key touch keypad
Only supported 16key and active low mode
jamper settng : TP1=1(jamper2=open):active low, TP2=0(jamper3=close):16key mode
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#include <TTP229.h>
Public Member Functions | |
| TTP229 (PinName sdopin, PinName sclpin) | |
| void | attach (const FunctionPointer &fp) |
| set function that is called at change state of keypad FunctionPointer is a pointer to function(no param and void return) | |
| bitset< 16 > | getkeys () |
| get keypad status | |
| operator bitset< 16 > () | |
| same as getkeys() | |
| int | onkey () |
| get keypad status especially singlekey mode(TP3=1,TP4=1) | |
| bool | ison (size_t i) |
| Is number i(0~15) keypad touched? | |
| bool | operator[] (size_t i) |
| same as ison() | |
Detailed Description
16key touch keypad
Only supported 16key and active low mode
jamper settng : TP1=1(jamper2=open):active low, TP2=0(jamper3=close):16key mode
Definition at line 10 of file TTP229.h.
Constructor & Destructor Documentation
| TTP229 | ( | PinName | sdopin, |
| PinName | sclpin | ||
| ) |
- Parameters:
-
sdopin PinName that support DigitalIn and InterruptIn, connected to TTP229 SDO. sclpin PinName that support DigitalOut, connected to TTP229 SCL.
Definition at line 3 of file TTP229.cpp.
Member Function Documentation
| void attach | ( | const FunctionPointer & | fp ) |
set function that is called at change state of keypad
FunctionPointer is a pointer to function(no param and void return)
void func();
ttp229.attach(&func);
or to menber function(no param and void return)
class Foo { public: void func(); }; Foo foo; ttp229.attach(FunctionPointer(&foo, &Foo::func));
| int onkey | ( | ) |
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