| 97 | |
| 98 | |
| 99 | uint8_t PCF8574::read(const uint8_t pin) |
| 100 | { |
| 101 | if (pin > 7) |
| 102 | { |
| 103 | _error = PCF8574_PIN_ERROR; |
| 104 | return 0; |
| 105 | } |
| 106 | PCF8574::read8(); |
| 107 | return (_dataIn & (1 << pin)) > 0; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | void PCF8574::write(const uint8_t pin, const uint8_t value) |