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| 1 | 1 | ||
| 2 | #ifndef _I2C_MASTER_H |
2 | #ifndef _I2C_MASTER_H |
| 3 | #define _I2C_MASTER_H |
3 | #define _I2C_MASTER_H |
| 4 | 4 | ||
| - | 5 | ||
| - | 6 | #include <inttypes.h> |
|
| 5 | //############################################################################ |
7 | |
| 6 | 8 | //############################################################################ |
|
| 7 | // I2C Konstanten |
9 | |
| 8 | #define SCL_CLOCK 200000L |
10 | // I2C Konstanten |
| 9 | #define I2C_TIMEOUT 30000 |
11 | #define SCL_CLOCK 200000L |
| 10 | #define I2C_START 0x08 |
12 | #define I2C_TIMEOUT 30000 |
| 11 | #define I2C_REPEATED_START 0x10 |
13 | #define I2C_START 0x08 |
| 12 | #define I2C_TX_SLA_ACK 0x18 |
14 | #define I2C_REPEATED_START 0x10 |
| 13 | #define I2C_TX_DATA_ACK 0x28 |
15 | #define I2C_TX_SLA_ACK 0x18 |
| 14 | #define I2C_RX_SLA_ACK 0x40 |
16 | #define I2C_TX_DATA_ACK 0x28 |
| 15 | #define I2C_RX_DATA_ACK 0x50 |
17 | #define I2C_RX_SLA_ACK 0x40 |
| 16 | 18 | #define I2C_RX_DATA_ACK 0x50 |
|
| 17 | //############################################################################ |
19 | |
| 18 | 20 | //############################################################################ |
|
| 19 | extern unsigned char twi_state; |
21 | |
| 20 | extern unsigned char motor; |
22 | extern uint8_t twi_state; |
| 21 | extern unsigned char motorread; |
23 | extern uint8_t motor; |
| 22 | extern unsigned char motor_rx[8]; |
24 | extern uint8_t motorread; |
| 23 | 25 | extern uint8_t motor_rx[8]; |
|
| 24 | void i2c_reset(void); |
26 | |
| 25 | extern void i2c_init (void); // I2C initialisieren |
27 | void i2c_reset(void); |
| 26 | extern char i2c_start (void); // Start I2C |
28 | extern void i2c_init (void); // I2C initialisieren |
| 27 | extern void i2c_stop (void); // Stop I2C |
29 | extern char i2c_start (void); // Start I2C |
| 28 | extern char i2c_write_byte (char byte); // 1 Byte schreiben |
30 | extern void i2c_stop (void); // Stop I2C |
| 29 | extern void i2c_reset(void); |
31 | extern int8_t i2c_write_byte (int8_t byte); // 1 Byte schreiben |
| 30 | 32 | extern void i2c_reset(void); |
|
| 31 | #endif |
33 | |
| 32 | 34 | #endif |
|
| - | 35 | ||