Dmitry Bursov
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PCF8575 Class Reference
Interface to the PCF8575 I2C 16 Bit IO expander. More...
#include <PCF8575.h>
Public Member Functions | |
| PCF8575 (PinName sda, PinName scl, int address) | |
| Create an instance of the PCF8575 connected to specfied I2C pins, with the specified address. | |
| int | read () |
| Read the IO pin level. | |
| void | write (int data) |
| Write to the IO pins. | |
Detailed Description
Interface to the PCF8575 I2C 16 Bit IO expander.
Definition at line 29 of file PCF8575.h.
Constructor & Destructor Documentation
| PCF8575 | ( | PinName | sda, |
| PinName | scl, | ||
| int | address | ||
| ) |
Create an instance of the PCF8575 connected to specfied I2C pins, with the specified address.
- Parameters:
-
sda The I2C data pin scl The I2C clock pin address The I2C address for this PCF8575
Definition at line 26 of file PCF8575.cpp.
Member Function Documentation
| int read | ( | ) |
| void write | ( | int | data ) |
Write to the IO pins.
- Parameters:
-
data The 16 bits to write to the IO port
Definition at line 38 of file PCF8575.cpp.
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