i2c.h

来自「Texas Instruments的TUSB3410芯片接键盘输入的固件程序源码」· C头文件 代码 · 共 83 行

/*----------------------------------------------------------------------------+
|                                                                             |
|                             Texas Instruments                               |
|                                                                             |
|                               I2C Header File                               |
|                                                                             |
+-----------------------------------------------------------------------------+
|  Source: i2c.h, v 1.0 1999/11/24 16:01:49                                   |
|  Author: Horng-Ming Lobo Tai [e-mail]                                 |
|  Header: (none)                                                             |
|                                                                             |
|  For more information, please contact                                       |
|                                                                             |
|  Lobo Tai                                                                   |
|  Texas Instruments                                                          |
|  12500 TI Blvd, MS 8761                                                     |
|  Dallas, TX 75243                                                           |
|  USA                                                                        |
|                                                                             |
|  Tel [phone]                                                           |
|  Fax [phone]                                                           |
|                                                                             |
|  Release Notes:                                                             |
|                                                                             |
|      If no error occurs, return NO_ERROR(=0).                               |
|                                                                             |
|  Logs:                                                                      |
|                                                                             |
|  WHO     WHEN         WHAT                                                  |
|  ---     --------     ----------------------------------------------------- |
|  HMT     19991124     born                                                  |
|  HMT     20000614     revised function calls and cat i,ii and iii.          |
|                                                                             |
+----------------------------------------------------------------------------*/
#ifndef _I2C_H_
#define _I2C_H_

#ifdef __cplusplus
extern "C"
{
#endif

/*----------------------------------------------------------------------------+
| Include files                                                               |
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
| Function Prototype                                                          |
+----------------------------------------------------------------------------*/
VOID i2cSetBusSpeed(BYTE bBusSpeed);
VOID i2cSetMemoryType(BYTE bType);
BYTE i2cRead(BYTE bDeviceAddress, WORD wAddress, WORD wNumber, PBYTE pbDataArray);
BYTE i2cWrite(BYTE bDeviceAddress, WORD wAddress, WORD wNumber, PBYTE pbDataArray);

/*----------------------------------------------------------------------------+
| Type Definition & Macro                                                     |
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
| Constant Definition                                                         |
+----------------------------------------------------------------------------*/
#define I2C_DEVICE_ADDRESS_DEFAULT 0
#define I2C_100KHZ          0
#define I2C_400KHZ          1

#define I2C_CATEGORY_1      1
#define I2C_CATEGORY_2      2
#define I2C_CATEGORY_3      3
#define I2C_CATEGORY_LAST   3

#define BIT_I2C_READ        1

#define BIT_I2C_DEVICE_TYPE_MEMORY  0xA0

#define MASK_I2C_DEVICE_ADDRESS     0x07

/*----------------------------------------------------------------------------+
| End of header file                                                          |
+----------------------------------------------------------------------------*/
#ifdef __cplusplus
}
#endif
#endif /* _I2C_H_ */
/*------------------------ Nothing Below This Line --------------------------*/