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278 Threads found on Printf
Dear all, I am facing problem in displaying floating point number coming from ADC after conversion. I have attached the code that I have attached the code for this. I want to display like 92.66677.... I have attached the image also. Please help. /** * \file * * \brief Empty user application template * */ /** * \mainpa
Hello all, I am trying to understand char pointer. In my program I am having 4 bytes number (12345678) and using char* I am trying to separate, save in char array and print each byte, but I am successful in only first byte (i.e. 78) but as soon as I am trying to print next byte by incrementing char pointer it is displaying garbage value.
printf("Frequency = %.2d", Frequency);
I am a starter in PIC and I have done a program in pic c compiler for the following problem When PIC A0 receives an input of more than 4 v, it is converted into digital output and that is fed to a counter. When the count reaches 5 the memory is incremented by 1 and is multiplied with 3 and displayed as cost as well as the counter is reset. Th
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:"); (...)
I'm trying to find RPM of a dc motor using PIC24F microcontroller. I've 200 RPM DC motor and IR sensor. I'm counting the pulse input from IR sensor when black material which attached with DC motor shaft contact with IR sensor. I'm printing pulse count for every 60 seconds using PIC timer interrupt.I don't want to use any delay inside. Each pulse co
main() { int a , b; a = 10; printf( "Value of b is %d\n", (a == 1) ? 20: 30 ); printf( "Value of b is %d\n", (a == 10) ? 20: 30 ); } what ? and : performing in code
Hi, i compiled the following code #include main() { printf("helloworld"); } using arm-gcc cross compiler and dumped its objdump file ,the executable is prefectly running on uclinux on cortex m3,can you tell me what each column represents in that file , a few lines are given below ... . 00000064
printf("AT+CMGS=+33665343539\r"); is the problem correct format : AT+CMGS="XXXXXXXXXXX"\r Dont use "+" and use double quotes before and after the number Nandhu
You are missing the enter key code \n or 0x13 after sending AT command. My code looks like below, instead of writing own puts, its better to use built in printf
The below is not doing perfectly as per my clarify me regarding this . #include #define base_addr 0x20000000 int *GPIO1=(int *)base_addr+0x00; int *GPIO2=(int *)base_addr+0x04; int *GPIO3=(int *)base_addr+0x08; int *GPIO4=(int *)base_addr+0x0c; int main() { int a=4,b=5,c=6,d=7; *GPIO1=a; *GPIO2=b;
the code is from compiler. i know because i was once using that compiler. while (1) { printf("A"); delay_ms(1000); // <-------- Put a delay }
I would like to communicate c with verilog. I find the Verilog PLI can solve my problem. I read this website to learn But I still can't work even a printf function. I use ncverilog for verilog compiler. What I done is below. I can't have a successful compile for this. It says that it
if(a==10) { a=20; printf("good morning how are you"); } else if(a==20) As said, the behaviour has nothing to do with volatile. In an if(cond) ... else...., it's mandatory by C specification that the condition is only checked once, in your example before a is reassigned. Once the condition has been evaluated by the if st
network interface to core? What requirements for speed, real time, flow rate control? Also printf("\nNot Enough Switch"); is the only line where Switch is spelled correctly.
Hi everyone I'm using Keil ?Vision5 to program a STM32F407. There's a "Software component" in Keil which allows retargeting printf to SWV window. I've tried everything but I can't get it to work. Can someone provide a project with printf working properly. Thanks in advance
It seems that there is not a problem with your code (except for the stdio.h missing). Your re-install deleted or replaced the value of a previous setting the printf output that has not been saved in the project, but kept in the IDE.
Presume that printf("%f", ) rounds the float value towards zero instead towards the nearest decimal value. To correct the rounding behaviour, you'll need to add a sign dependant offset. There's an option in ANSI C to select the rounding behviour with a float.h defined constant, but it isn't implemented in many embedded C compilers.
That depends on what you are displaying and what kind of display it is. If it uses standard 'C' functions to format the output (printf, sprintf etc...), look in the function that returns the value and change '%x' to '%d'. Brian.
hi friends i found a strange problem in dspic 33ep512mu814 if(input(pin_e0)==0) { count=count+1; lcd_gotoxy(1, 1); printf(lcd_putc, "%lu",cont); } if i reset the controller manually in 4 are 5th time, the if loop condition is executing that is i am getting the count constantly without the pin input if i measure the voltage on pi
is this what you require? int main(void) { Book book={"The Weald of Youth","Siegfried Sassoon","autobiography"}; printf("%s\n%s\n%s\n", book.title,, book.subject); } gives The Weald of Youth Siegfried Sassoon autobiography
also check that the printf (I think the implementation of ftoa) is buggy in the XC8 standard library (at least on some versions of XC), so try to implement your own float printing function...
I am fairly new to ARM processing and I tried using msTicks, which I did before. The main idea is as long as the accelerometer (aka fall detection) remains a certain threshold, the counter starts counting. After 5 seconds, a SMS will be sent (which I used printf to simulate this). However the msTicks isn't counting (INITIAL_TIME and CURRENT_T
int main() { long decimalnum, remainder, quotient; int i = 1, j, temp; char hexadecimalnum; printf("Enter decimal number: "); scanf("%ld", &decimalnum); quotient = decimalnum; while (quotient
hello printf(lcd_putc,"\f\%02d:\%02d:\%02d \%cM\n", hrs,min,sec,time); \n is next line commande. go to next line ! try to remove it.. BTW what is \f ?
I have no idea why you would get that error - I have never seen that happen before. I would suggest removing any console IO as a starting point (the printf and fflush and kbhit calls) as Eclipse does not handle those well at all on Windows hosts. You could also try using the Visual Studio version as you can use the free visual studio version - fo
Here it is: #include main() { printf("Hello World - I'm a Voltmeter!"); }
Sometimes I have the following error when trying to create netlist and start simulation in Affirma Analog Circuit Enviroment: *Error* fprintf/sprintf: format spec. incompatible with data - nil After that netlist is not created, Spectre is not starting etc.. I am using Cadence 5.14 The problem is that this error appears more or le
In code baudrate is 19200 and in RealTerm baudrate is 57600. Change baudrate in RealTerm to 19200. In printf statement you are using %3.5f and %3.1f. Do you know what it means ? %3.5f means total of three digits and 5 digits after decimal point which is invalid. %3.1f means total of three digits and 1 digit after decimal point, so your output
Hi, The answer is in the code itself. When the macro expands, the line will read printf statement followed by two semicolons. So the compiler sees effectively more than one "line" of code. You can avoid this by removing the semicolon either at the end of macro definition or at the end of macro invocation. Although I don't know what is driving you t
you should be able to use printf() with a pic18 if you connect a PC to the USART 1. if the PC has a RS232 COM port via a MAX232 2. with a suitable cable, e.g. USB/TTL you need to setup the USART with a baud rate etc to suit the terminal emulator on the PC
I use EP4CE10F17, how can I increase the memoryI presume you can read datasheets and know how much on-chip memory is available with EP4CE10? I'm not presently using NIOS and don't know the stdio.h footprint. But I would read ads-ee's post in the way that you should try to code Hello world without using printf().
Read ADc values store in variable use that variable in send message functions you created.. just printf() or serial output string is enough.. if you share your adc and gsm program i can tell where to change or add
Probably the printf() formatting parameter %u would also conflict to the signed variable type.
if you use 2 % in printf in output you have %d. so your output is %d. but if use printf("%d",i) output is 144 decimal of 90 hex.
you structure.h should look like struct student { int id; char name; float percentage; }; and mian.c #include #include #include "structure.h" int main() { struct student = 450; strcpy(,"praveen"); record.percentage = 75.13; printf("ID of the
Hello!! I am using Keil uVision IDE, and wants to display data while debugging in debug(printf) window, but not able to do so. I am using NXP LPC1343 Micro-Controller based development board and colinkex an open source debugger by CooCox, but i am not able to use it to display data on debug printf window. Can one help me in this. Debugger is w
the output should be 8 1 8 8 printf("%d\t",a=b); assigns a the value of b, the result of the expression 8 is printed printf("%d\t",a==b); compares a with b and as both values are 8 the result is 1 (true) printf("%d %d\n",a,b); prints a and b both have the value 8
Basically #define is a macro, used to define the duplicate names or values, and it doesn't take any memory location. In the program 1 AGE is replaced with (14/2), #include is pre defined header file that will come with compiler installation, printf, scanf like this functions will come under #include [QUOTE=praveenkumar450;136
you have printf() statements in your interrupt service function which will slow everything down. keep the interrupt service routines as short as possible, e.g. read an ADC and store the value in a global array, and do any logging and display of results in the main() function
Try to code without using the 'goto' instruction - you will regret it later when your programs are more advanced. Also consider where the 'break' leads to in line 36. I think your underlaying problem is that you use 'printf' and also floating point math, both are huge memory hogs and relatively slow on PICs without multiplication support. 18F devi
Hi here, #include #define max 100 int main() { printf("max is %d", max); return 0; } Why the max inside "" is not replaced.
Hello Friends, I am working on a project in which I am interfacing few sensors with LPC1752. There are some debug prints in my code.. e.g initializing, then sensor data..etc I am using printf() function. The problem that I am facing here is,if I add some prints LPC1752 stops working..And I remove prints it works. Same thing is happenin
using printf you use a format such as %4.2f to print a field width of four with two decimal places after the decimal point
can you tel something same with example?? for example // write a data byte to LCD int lcdPutchar(int d) { // printf("%c", d); LCDstatus.RS=1; // Take RS pin high for data lcdNibble(d >>4); // Makeup Upper Nibble lcdNibble(d); // Makeup Lower Nibble return 1; } [/COD
I though that people would learn this with their very first C program printf("Hello world\r\n");
How do I send a text message with quotes using printf? example: printf(""hello world"); or printf("AT+CMGS="+123456789""); I get syntax error on keil C51.
hello, What is your FOSC or quartz value ? Cast the result of get_timer() time=(float) get_timer1(); what result do you get for some known distances ie : 10cm 50cm 100cm on your display printf(LCD_PUTC, "\fTime :%f \nDistance = %f",time,distance); // Putting the time and Maybe you better had to printout the v
if (percentage>60 && percentage<70) {printf" grade D"}. Either include 60 or 70 like this. if (percentage>=60 && percentage<70) {printf" grade D"}. If you can code in C, compile it and see the generated assembly code. Write your assembly code using code lines from it.
Hello guys! I have two functions where i have a RX-INTERRUPT and i send data via TX. But i cannot understand a simple problems ive come accross. Why cant i write printf("%d",index_rx) in my void USART1_IRQHandler(void) function?;---> is it because "uint8_t" and "int" are not the same?? ,I know that we have to use "%d" when its