No.82599
作者：gfc2003
邮件：gfc2003.student@sina.com
ID：39291
登陆：2次
文章数：1篇
最后登陆IP：59.41.216.20
最后登陆：2007/4/14 16:35:57
注册：2005/8/23 10:43:24
财富：106
发帖时间：2005/8/23 10:45:56
发贴者IP：61.187.92.238
标题：gfc2003:急求高手帮助！此程序为020UART1的异步串行双机通信，但不能正常通信！
摘要：No.82599急求高手帮助！此程序为020UART1的异步串行双机通信，但不能正常通信！ #include <c8051f020.h> // SFR declarations
#include <stdio.h>
#include <intrins.h>
#define PRT0CF P0MDOUT
#define PRT1CF P1MDOUT
#define PRT2CF P2MDOUT
#define BAUDRATE 115200 // 串口波特率(bps);
#define MUX_volt 0x01
#define uchar unsigned char
unsigned int w;
long volt;
sfr16 ADC0 = 0xbe; // ADC0 data
uchar idata buf[6];
uchar sum; //-----------------------------------------------------------------------------
/* 初始化程序 */
//----------------------------------------------------------------------------- void Delay1us(unsigned char us)
{
while (us)
{
_nop_(); _nop_(); _nop_(); _nop_(); _nop_();
--us;
}
} // 延时1us void SYSCLK_Init (void)
{
int i; // delay counter
OSCXCN = 0x67; // start external oscillator with
// 18.432MHz crystal
for (i=0; i < 256; i++) ; // Wait for osc. to start up
while (!(OSCXCN & 0x80)) ; // Wait for crystal osc. to settle
OSCICN = 0x88; // select external oscillator as SYSCLK
// source and enable missing clock
// detector
// OSCICN = 0x07; //interal 16MHZ
} void PORT_Init (void)
{
XBR0 = 0x07; // Enable SMBus, SPI0, and UART0
XBR1 = 0x00;
XBR2 = 0x44; // Enable crossbar and weak pull-ups
EMI0TC = 0x21;
P74OUT = 0xFF;
P0MDOUT = 0x15;
P1MDOUT |= 0x3d; //P1.2-P1.5推挽输出
P1 &= 0xc3; //P1.2-P1.5=0 } //-----------------------------------------------------------------------------
/* ADC0初始化 */
//----------------------------------------------------------------------------- void init_adc(void)
{
ADC0CN = 0x81; // ADC0 enabled; normal tracking
// mode; ADC0 conversions are initiated
// on write to AD0BUSY; ADC0 data is
// left-justified
REF0CN = 0x07; // enable temp sensor ......
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