j3d1/esp-open-rtos
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Code formatted, minor fixes (#466)

Browse source
This commit is contained in:
Ruslan V. Uss 2017-10-19 00:25:48 +05:00 • committed by Johan Kanflo
parent 8a474d749d
commit 5fa48d0298
28 changed files with 623 additions and 608 deletions
Download patch file Download diff file Expand all files Collapse all files

16
extras/pcf8574/pcf8574.c
View file

@ -1,14 +1,14 @@
#include "pcf8574.h"
uint8_t pcf8574_port_read(i2c_dev_t* dev)
uint8_t pcf8574_port_read(i2c_dev_t *dev)
{
uint8_t res;
if (i2c_slave_read(dev->bus, dev->addr, NULL, &res, 1))
return 0;
return 0;
return res;
}
size_t pcf8574_port_read_buf(i2c_dev_t* dev, void *buf, size_t len)
size_t pcf8574_port_read_buf(i2c_dev_t *dev, void *buf, size_t len)
{
if (!len || !buf) return 0;
uint8_t *_buf = (uint8_t *)buf;
@ -18,7 +18,7 @@ size_t pcf8574_port_read_buf(i2c_dev_t* dev, void *buf, size_t len)
return len;
}
size_t pcf8574_port_write_buf(const 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)
{
if (!len || !buf) return 0;
uint8_t *_buf = (uint8_t *)buf;
@ -28,19 +28,19 @@ size_t pcf8574_port_write_buf(const i2c_dev_t* dev, void *buf, size_t len)
return len;
}
void pcf8574_port_write(const i2c_dev_t* dev, uint8_t value)
void pcf8574_port_write(const i2c_dev_t *dev, uint8_t value)
{
i2c_slave_write(dev->bus, dev->addr, NULL, &value, 1);
}
bool pcf8574_gpio_read(i2c_dev_t* dev, uint8_t num)
bool pcf8574_gpio_read(i2c_dev_t *dev, uint8_t num)
{
return (bool)((pcf8574_port_read(dev) >> num) & 1);
}
void pcf8574_gpio_write(i2c_dev_t* dev, uint8_t num, bool value)
void pcf8574_gpio_write(i2c_dev_t *dev, uint8_t num, bool value)
{
uint8_t bit = (uint8_t)value << num;
uint8_t mask = ~(1 << num);
pcf8574_port_write (dev, (pcf8574_port_read(dev) & mask) | bit);
pcf8574_port_write(dev, (pcf8574_port_read(dev) & mask) | bit);
}

12
extras/pcf8574/pcf8574.h
View file

@ -20,7 +20,7 @@ extern "C"
* \param addr I2C register address (0b0100<A2><A1><A0> for PCF8574)
* \return 8-bit GPIO port value
*/
uint8_t pcf8574_port_read(i2c_dev_t* dev);
uint8_t pcf8574_port_read(i2c_dev_t *dev);
/**
* \brief Continiously read GPIO port values to buffer
@ -29,14 +29,14 @@ uint8_t pcf8574_port_read(i2c_dev_t* dev);
* @param len Buffer length
* @return Number of bytes read
*/
size_t pcf8574_port_read_buf(i2c_dev_t* dev, void *buf, size_t len);
size_t pcf8574_port_read_buf(i2c_dev_t *dev, void *buf, size_t len);
/**
* \brief Write value to GPIO port
* \param addr I2C register address (0b0100<A2><A1><A0> for PCF8574)
* \param value GPIO port value
*/
void pcf8574_port_write(const 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(const i2c_dev_t* dev, uint8_t value);
* @param len Buffer length
* @return Number of bytes written
*/
size_t pcf8574_port_write_buf(const 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
@ -53,7 +53,7 @@ size_t pcf8574_port_write_buf(const i2c_dev_t* dev, void *buf, size_t len);
* \param num pin number (0..7)
* \return GPIO pin value
*/
bool pcf8574_gpio_read(i2c_dev_t* dev, uint8_t num);
bool pcf8574_gpio_read(i2c_dev_t *dev, uint8_t num);
/**
* \brief Set GPIO pin output
@ -63,7 +63,7 @@ bool pcf8574_gpio_read(i2c_dev_t* dev, uint8_t num);
* \param num pin number (0..7)
* \param value true for high level
*/
void pcf8574_gpio_write(i2c_dev_t* dev, uint8_t num, bool value);
void pcf8574_gpio_write(i2c_dev_t *dev, uint8_t num, bool value);
#ifdef __cplusplus
}