splc501driver_io.inc

来自「基于凌阳和ad9850实现的正弦波信号发生器程序」· INC 代码 · 共 36 行

//.include hardware.inc
.DEFINE	P_IOA_Data   		0x7000         // Write Data into data register and read from IOA pad
.DEFINE P_IOA_Buffer        0x7001         // Write Data into buffer register and read from buffer register
.DEFINE P_IOA_Dir           0x7002         // Direction vector for IOA
.DEFINE P_IOA_Attrib        0x7003         // Attribute vector for IOA
.DEFINE P_IOA_Latch         0x7004         // Latch PortA data for key change wake-up

.DEFINE P_IOB_Data         	0x7005         // Write Data into the data register and read from IOB pad
.DEFINE P_IOB_Buffer        0x7006         // Write Data into buffer register and read from buffer register
.DEFINE P_IOB_Dir           0x7007         // Direction vector for IOB
.DEFINE P_IOB_Attrib        0x7008         // Attribute vector for IOB
//.define	DATA_PORT_HIGHT	0x00		//数据口输出高八位定义，若数据接口为IO端口的高八位，则不屏蔽
.define	M_IO_DATA_MASK	0x00ff			//若数据口为高八位，则定义值为0xff00

.define M_IO_EP			0x0004			//EP与SPCE061A的接口定义
.define	M_IO_RW			0x0002			//RW与SPCE061A的接口定义
.define	M_IO_AO			0x0001			//AO与SPCE061A的接口定义
.define	M_IO_CS			0x0008			//CS与SPCE061A的接口定义
//.define M_IO_EP			0x0020			//EP与SPCE061A的接口定义
//.define	M_IO_RW			0x0010			//RW与SPCE061A的接口定义
//.define	M_IO_AO			0x0008			//AO与SPCE061A的接口定义
//.define	M_IO_CS			0x0004			//CS与SPCE061A的接口定义


.define	P_IO_Data_D		P_IOA_Data
.define	P_IO_Data_A		P_IOA_Attrib
.define	P_IO_Data_Di	P_IOA_Dir
.define	P_IO_Data		P_IO_Data_D
.define P_IO_Data_B		P_IOA_Buffer

.define	P_IO_Ctrl_D		P_IOB_Data
.define	P_IO_Ctrl_A		P_IOB_Attrib
.define	P_IO_Ctrl_Di	P_IOB_Dir
.define P_IO_Ctrl_B		P_IOB_Buffer
.define	P_IO_Ctrl		P_IO_Ctrl_D