hi.... i want to send some strings serially using virtual terminal in proteus but i get garbage value on virtual terminal can any one mail me proteus design for it on hayatkhan015@yahoo.com or help me by some other way..
or there is some error in my program? which is..
#include <reg51.h> void Delay(); void serialsend(char *ptr);
void main () { char z; code char command1[]={"AT12"}; code char command2[]={"ATC51" }; code char command3[]={"ADSING"}; code char command4[]={"12"}; code char command5[]={"ATMEL"}; code char command6[]={"CIPSEND"}; code char command7[]={"GPRS"}; code char command8[]={"26"}; TMOD=0x20; TH1=0xFD; SCON=0x50; TR1=1; serialsend(command1); Delay(); serialsend(command2); Delay(); serialsend(command3); for(z=0; z<3; z++) { Delay(); } serialsend(command4); Delay(); serialsend(command5); for(z=0; z<10; z++) { Delay(); } serialsend(command6); for(z=0; z<5; z++) { Delay(); } serialsend(command7); serialsend(command8);
} void serialsend(char *ptr) { while(*ptr != '\0') { SBUF=*ptr; while(TI==0); TI=0; ptr++; } }
void Delay() { unsigned char x; for(x=0; x<40; x++) { TMOD=0x01; TL0=0xFD; TH0=0x4B; TR0=1; while (TF0==0); TR0=0; TF0=0; } }
or there is some error in my program?
You've made that unnecessarily hard to tell, since you never showed us your program. What you showed is the garbled mess that results from missing the very clear instruction about how to post source code in here. And that's the second time in a row you screwed up this way after you posted essentially the same source, in the same garbled shape, to your previous thread.
The "code" keyword suddenly used? I thought you had decided to the other route and use the large model and switch to another processor with some XDATA available.
By the way - did you read the other comment in that other thread, about timer register assignments at start of the program for baudrate, and also in your delay routine? What was your conclusion from that comment?
I wonder when you will notice the instructions for how to post source code in the proper way.
>>>>>>can any one mail me proteus design for it on
this is not a good place for proteus advice.
TMOD is configured at main for serial communications and at delay for Timer This SFR operates on both Timers T0 and T1, so be creative to use right.
//for serial using T1 TMOD = 0x20; | +---> TMOD &= 0x0F; // Clear the upper nibble for T1 config (T0 part unchanged) TMOD |= 0x20; // Set parameters for T1 on TMOD, lower nibbe must be 0. //for delay using T0 TMOD = 0x010; // This reconfigures T1 and T0 wich is not right for the situation | +---> TMOD &= 0xF0; // Clear the lower nibble for T0 config (T1 part unchanged) TMOD |= 0x01; // Set parameters for T0 on TMOD, upper nibble must be 0
or set TMOD for both Timers T0 and T1 at main ONLY, no need to re-configure TMOD at delay()
TMOD = 0x21; // T1 as 8bit autoreload and T0 as 16bit timer
Tutorial for 8051 Timers is here: www.8052.com/tuttimer.phtml
after run the simulation right click on the virtual window and change the mode.