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31 Threads found on edaboard.com: Uart Printf
hi friends I have a problem My receiver does not run , This works fine if I send a message but not work in more messages Sender Code while (1) { printf("A=1:"); printf("B=1:"); printf("C=1:"); printf("D=1:"); printf("E=1:"); (...)
hello, what answer do you get for each AT commande the 1rst step is to send AT , and get OK response .. so you have the good uart speed to dialogue with GSM.. before sending an SMS , you must do an init of GSM this is what i get with mine. 20:01:37.500> Arme RX IT uart2 .. 20:01:37.500> Negoce baud rate 20:01:38.500> 20:01:38.500> O
If you are using printf() then you don't need to set SBUF.
Ofcourse it will not work. printf will not print to uart .... Incorrect, by default the printf() routine in KEIL is configured to output to the primary serial port, serial port 0. The following document outlines the changes required to move the output to a secondary port, serial port 1, if the de
hi i wrote a uart program in keil.But it gives no simulation results on proteus.Can anyone help me pl... #include "LPC214x.H" // LPC2148 MPU Register #include // For Used Function printf /* pototype section */ void init_serial0 (void); // Initil uart-0
Hi, I am interfacing controller(MC1322x) with GPRS modem(GL-865). I did the following- 1. Program MCU to send AT command using uart (printf) and receive the response using scanf function. 2. Connect the serial cable from MCU to (Max 232)gprs modem serial port. 3. reset the MCu to send the AT command to GPRS module. But I got no response
this is some code I used with a dsPIC33FJ256GP710 // Function:uart2Init - sets up theuart2 module to baud rate void uart2Init(long int baudRate) { long int baudRateCheck; // __C30_uart=2; // set for printf output to this uart // calculate baud rate counter - add 0.5 to round (...)
everything is true ... but usually we dont develop fibonacci, factorial of number and these kind of programs in embedded as embedded has programs for specific application... it purely depends on the IDE and compiler syntax on how to write them.... data are stored in flash or eeproms.. printf are usually not used unless using an uart, as the output
Hi, I want to simulate the following Code for Cortex M0 design-start core in RVDS. In this code the fputc and printf are overridden, so instead of using uart in Cortex M0, fputc will write at memory location 0x40000000U typically when you simulate the design, printf output is displayed in STDIO window in ARM debugger. But in this (...)
configure your uart registers for 9600 baud and 8 bit uart mode and then use simple printf or puts commands to send AT commands to modem so many posts are there in our forum for this.. and always first u should search in forum and later sumbit a thread.. anyways.. u will get here
Hi, your program is wrong: if ((uart_data>='0' && uart_data<='9')||(uart_data>='A' && uart_data<='F')) { user_num *=16; // left shift four places uart_data = uart_data - '0'; if (uart_data > 9) uart_data (...)
if you are using C you can simply use serial_init(); char str="AT+CMGF=1"; printf("%s",str); void serial_init() { intialize uart for 9600 }
hello... could anyone please tell me how exactly to send at commands from 8051 to a sim300 gsm module?? Particularly using printf statements:!: i have tried sending it through strings and been successful to receive it at the serial window. But i saw a sample program on net which uses simple printf statements to send these AT commands. i tried repl
How can I change the out put uart port for printf() in KEIL? By default it is port 0.
printf scanf works properly for 8051 cross complier??? is it take I/P/O/P from uart automatically? plz guys explain me at bit level when printf OR SCANF execude on 8051 or 8086. plz rely m waiting
Hi Hailong: Usually we don't use printf in isr function. It will sepend a lot time to execute. You just need to replace printf by your own uart send functions.
Hi guys i have a k300 and i wanted to communicate with it through AT commands serailly, now the problem is that the responce is isnt working for me, i used puts, printf uart method to send the AT commands which works PERFECTLY, then i used the get statement to get the response OK, i even checked it on Proteus in which it sent AT and i wrote OK and
just send "AT" via uart to Mobile,it will reply u "OK" if everything is ok.. MikroC might be having in-built function to send string via uart.. for example if the function available is something like printf() then printf("AT\r\n"); //make sure carriage return is used.. it will reply "OK"... use some (...)
#include "LPC214x.H" // LPC2148 MPU Register #include // For Used Function printf /* pototype section */ void init_serial0 (void); // Initil uart-0 int putchar (int ch); // Put Char to uart-0 int getchar (void); // Get Char From (...)
In order to use the functions printf, scanf, etc., usually you have to change the functions putchar and getchar to suit the uart (or IO devices) you want to use. I suggest you to read the user manual of your compiler.
Did you try printf("Hello world \n\r"); Trick is just in baud rate and ESC codes for controlling printer, then you just simply feed strings to uart.
#include "LPC214x.H" // LPC2148 MPU Register #include // For Used Function printf /* pototype section */ void init_serial0 (void); // Initil uart-0 int putchar (int ch); // Put Char to uart-0 int getchar (void);
I want to use printf() function to send a floating point variable on the uart, I uses C18 compiler but i does not output the required output. Can any body help me? Thanks in advance
Hello, does anybody know how to redirect printf to uart on gcc compiler for ARM? Thank you L
Hey Guys : Any one out there use CodeVision C compiler with ATMEGA162 ? I am trying hard to figure out how to use the printf, puts, scanf function for both uart. Any idea or example code ? i am using interrupt for both uart and configure it by CodeWizardAVR. But the prinf , scanf, puts not supported! Only Putchar supported for both USART. (...)
hi all, How many bytes will printf() take up in a non debug-monitor environment? Also, is it easy to set up printf() to map to a second uart? I will need control of the uart ISR so that I can handle receives appropriately. How will this confict with printf()? how much space will the function take? (...)
Greetings, I'm a new Nios (I) user. I'm working in my final project about video coding within a FPGA and I've had problems with the communication between the pc and the Nios board. Until now, the idea is that I could send many bytes to Nios uart, corresponding to pixels from an image, and I could see them with a "printf". However, when I run
hai, how can i use printf function in iar like in icc and keil? in iccavr after init uart i directly put printf it will give output in uart. but in iaravr not like that. any one give some useful idea. my pgm look like #include #include void main(){ MCUCR = 0x00; (...)
hi .. i tried this with avr .. i found that on elektroda ;0) int putchar(int c) { if (c == '\n') putchar('\r'); while(!(USR&32)); //wait while tx buffer empty UDR = (char)c; //send char to uart register return c; } after you overload original putchar with this all printf features would work. regards cancel
hi .. i am doing this other way ... sprintf(buf, "\nTempC= %d degrees C\n", (int)temp_lsb ); // print temp. C sends(buf) where void send(char TX_Char) {//this sends TX_Char to uart UDR = TX_Char; while(!(USR&32)); //wait while tx buffer empty } void sends(char *string) { unsigned int n; for(n=0;n
I would generate write and read functions that accept parameters for port number and data to send (ie. wrSIO(port,length,char*) ). Independent buffers for each uart. Seperate interrupt driven low-level routines for I/O. Don't use printf() to format, use sprintf().


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