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fix warning

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This commit is contained in:
lilian 2017-08-20 10:21:26 -03:00
parent a1940786e0
commit 50f77d6f40
2 changed files with 4 additions and 4 deletions
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4
extras/pcf8574/pcf8574.h
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@ -36,7 +36,7 @@ size_t pcf8574_port_read_buf(i2c_dev_t* dev, void *buf, size_t len);
* \param addr I2C register address (0b0100<A2><A1><A0> for PCF8574)
* \param value GPIO port value
*/
void pcf8574_port_write(i2c_dev_t* dev, uint8_t value);
void pcf8574_port_write(const i2c_dev_t* dev, uint8_t value);
/**
* \brief Continiously write GPIO values to GPIO port
@ -45,7 +45,7 @@ void pcf8574_port_write(i2c_dev_t* dev, uint8_t value);
* @param len Buffer length
* @return Number of bytes written
*/
size_t pcf8574_port_write_buf(i2c_dev_t* dev, void *buf, size_t len);
size_t pcf8574_port_write_buf(const i2c_dev_t* dev, void *buf, size_t len);
/**
* \brief Read input value of a GPIO pin