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Code formatted, minor fixes (#466)

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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
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16
extras/pcf8574/pcf8574.c
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@ -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);
}