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ads7843.h
Package: GPRS_work.rar [view]
Upload User: sdaoma
Upload Date: 2013-08-07
Package Size: 3838k
Code Size: 1k
Category:
GPS develop
Development Platform:
C/C++
- /****************************************************************************
- * 文件名:ADS7843.H
- * 功能:ADS7843驱动程序(头文件)。
- ****************************************************************************/
- #ifndef ADS7843_H
- #define ADS7843_H
- /* ADS7843控制I/O口定义 */
- #define ADS7843_CS (1<<29)
- #define ADS7843_DOUT (1<<31)
- #define ADS7843_DIN (1<<30)
- #define ADS7843_DCLK (1<<28)
- #define ADS7843_IRQ (1<<30)
- // ADS7843控制字
- #define AIN_X 0x94
- #define AIN_Y 0xD4
- /****************************************************************************
- * 名称:ADS7843_IRQR()
- * 功能:ADS7843的PENIRQ引脚测量,返回当前此引脚的电平值。
- * 入口参数:无
- * 出口参数:无
- ****************************************************************************/
- extern uint8 ADS7843_IRQR(void);
- /****************************************************************************
- * 名称:ADS7843_WriteRead()
- * 功能:对ADS7843进行读写操作。操作按照ADS7843的规定,24Clocks,先写8位控制数据,然
- * 后读取12位的转换结果。
- * 入口参数:data 控制数据
- * 出口参数:返回值为读出的数据
- ****************************************************************************/
- extern uint16 ADS7843_WriteRead(uint8 data);
- #endif