Mikroelektronika MIKROE-742 데이터 시트

- Soft_I2C_Init 
- Soft_I2C_Start 
- Soft_I2C_Read 
- Soft_I2C_Write 
- Soft_I2C_Stop 
- Soft_I2C_Break

352

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

procedure Soft_I2C_Init();

Nothing.

Configures the software I

2

C module.

Global variables : 

- 

Soft_I2C_Scl_Output

: Soft I

2

C clock output line 

- 

Soft_I2C_Sda_Output

: Soft I

2

C data output line 

- 

Soft_I2C_Scl_Input

: Soft I

2

C clock input line 

- 

Soft_I2C_Sda_Input

: Soft I

2

C data input line 

- 

Soft_I2C_Scl_Pin_Direction

: Direction of the Soft I

2

C clock pin 

- 

Soft_I2C_Sda_Pin_Direction

: Direction of the Soft I

2

C data pin 

must be defined before using this function. 

// Soft_I2C pinout definition
var Soft_I2C_Scl_Output        : sbit at PORTC.B0;     
var Soft_I2C_Sda_Output        : sbit at PORTC.B1;      
var Soft_I2C_Scl_Input         : sbit at PINC.B0;        
var Soft_I2C_Sda_Input         : sbit at PINC.B1;        
var Soft_I2C_Scl_Pin_Direction : sbit at DDRC.B0;
var Soft_I2C_Sda_Pin_Direction : sbit at DDRC.B1;
// End of Soft_I2C pinout definition
...

Soft_I2C_Init();