Cirrus Logic AN118 - Manual (Page 11)

AN118
AN118REV2 11
sbit PX1 = 0xBA;
sbit PT0 = 0xB9;
sbit PX0 = 0xB8;
/* P3 */
sbit RD =
0xB7;
sbit WR = 0xB6;
sbit T1 = 0xB5;
sbit T0 = 0xB4;
sbit INT1 = 0xB3;
sbit INT0 = 0xB2;
sbit TXD = 0xB1;
sbit RXD = 0xB0;
/* SCON */
sbit SM0 =
0x9F;
sbit SM1 = 0x9E;
sbit SM2 = 0x9D;
sbit REN = 0x9C;
sbit TB8 = 0x9B;
sbit RB8 = 0x9A;
sbit TI = 0x99;
sbit RI = 0x98;
/**************************************************************/
/* CDB5521/22/23/24/28 Engineering Microcontroller code Version 1.00
*/
/* Purpose: Interfaces the CCS5521/22/23/24/28 to a PC */
/* Comments: */
/**************************************************************/
#pragma nointvector
/* Disable Interrupt Vectors */
#pragma debug /* Include Debug Information with .obj file */
#pragma code /* Include Assemble Code with .lst file */
#pragma small /* Use a Small Memory Model*/
#pragma RB(0) /* Use Register Bank Zero */
#pragma OPTIMIZE(3) /* Use Highest Level of Optimizing */
#include "cs5522.h"
/* Global Variable */
char
command, /* One Byte Variables */
ext_byte,
high_byte,
mid_byte,
low_byte,
temp,
temp1;
int sample_index, /* Two Bytes Long */
sample_size,
i,
mode;
/* 0 = three wire 1 = 4 wire */