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

add constant to i2c functions

Browse source
This commit is contained in:
Zaltora 2017-02-14 07:53:00 +01:00
parent 79a0b2d6b6
commit c6f10147ca
2 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

5
extras/i2c/i2c.c
View file

@ -238,7 +238,6 @@ void i2c_force_bus(bool state)
force = state ;
}
static int i2c_bus_test()
{
taskENTER_CRITICAL(); // To prevent task swaping after checking flag and before set it!
@ -268,7 +267,7 @@ static int i2c_bus_test()
return 0 ;
}
int i2c_slave_write(uint8_t slave_addr, uint8_t *data, uint8_t *buf, uint32_t len)
int i2c_slave_write(uint8_t slave_addr, const uint8_t *data, const uint8_t *buf, uint32_t len)
{
if(i2c_bus_test())
return -EBUSY ;
@ -294,7 +293,7 @@ int i2c_slave_write(uint8_t slave_addr, uint8_t *data, uint8_t *buf, uint32_t le
return -EIO;
}
int i2c_slave_read(uint8_t slave_addr, uint8_t *data, uint8_t *buf, uint32_t len)
int i2c_slave_read(uint8_t slave_addr, const uint8_t *data, uint8_t *buf, uint32_t len)
{
if(i2c_bus_test())
return -EBUSY ;