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$MOD51 ; lcd 4-BIT MODE CONNECTIONS RS EQU P1.7 ;lcd REGISTER SELECT LINE EN EQU P1.6 ;lcd ENABLE LINE DB4 EQU P1.5 ; DB5 EQU P1.4 ; DB6 EQU P1.3 ; DB7 EQU P1.2 ; ; ADC0831 CONNECTIONS CS EQU P3.0 CLK EQU P3.1 DO EQU P3.2 ;INPUT & OUTPUT DYI EQU P3.4
Hi, I am new in C programming language, but experienced in asm for 8051 and AVR ... I'm trying to drive a segment lcd in Stm32L476 discovery board, i could do it well but i see a problem when using bitmap table, i use a table to assign true active segments for each number. i used a 3D array for this purpose: const uint32_t Table[
Please help. I appreciate this is a very newbie post, however I have spent a long time trying to fix this myself and as I am now at the end of my tether and really would appreciate some guidance. I've pasted the code below and would be thankful for any pointers on I would go about debugging my problem. I am trying to interface a Displaytech 2
Hi Milan; Do you know my mikroC lcd libraries on LibStock? They are closed libraries, I know, but all work as well. As you see, my one-wire solution is also based on the Roman Black's circuit, but I used a lot asm code also. For your PIC12F683 use the p16_... librar
I am also doing project. we are using PIC16F877A I need to do it in asm language. But I do not know how to write code to run lcd in assembly. is there any way to convert lcd.c library in pic c compiler to .asm ? or can I find lcd library in assembly language? waiting for your great help thanks
I want to enter the data in eeprom with keypad and the display on 8 bit lcd. Please help me with asm code. its urgent...reply soon
hi, This assembler bin to ASCII works OK. You need ASCII characters for the lcd display. Change the .txt extension to .asm E
Hi everyone, I have a problem with writing to a hitachi hd44780 16x2 display using the PIC16F1459. I have written several programs in C for this particular arrangement so I know from this that the wiring, lcd and PIC are all working correctly. I decided to switch over to writing in assembly because I wanted more control over the PIC. I a
I am beginner for arm I just want to learn assembly for arm keil software I have written code for addition Area example , code readonly entry start mov R0 #5 mov R1#3 add R0, R0,R1 stop B stop End I am seeing 7 error massage assembling lcd.asm... lcd.asm(1): error A9: SYNTAX ERROR (...)
hi can anyone tell me what is wrong with this code and circuit digram.maybe you think the are alot of unnecessary line,i know but this code for test. port equ p2 ;lcd port en equ p2.7 ;lcd en rs equ p2.5 ;lcd rs dr equ p3.4 ;ADC RD rw equ p3.3 ;ADC RW intr equ p3.5 ;ADC intr
here you have example: see ZIP files! and here asm programming! and usefull PDF file: and here:
hello, To catch the information send to the lcd is a hard way.. because mode 4bits , but not impossible.. You can test in Win Xp environment to use VB6 + inpout32.dll see i don't know if the speed will be enough... because using a dll is not the fastest way.. best is 100% asm !!! so if
I have written a lcd 4 bit C Code. I want to implement it in PIC asm. I want to know how to write the following C Code in PIC asm. lcd_D4 = (Command & 0x10)?1:0; lcd_D5 = (Command & 0x20)?1:0; lcd_D6 = (Command & 0x40)?1:0; lcd_D7 = (Command & 0x80)?1:0; (...)
Check out for Nigel Pic Tutor on lcd modules at This example run on 4 bit mode and connects to any port on a PIC with asm sample programming for the PIC16 range. Best regards Johann
I have a code from mikrobasic example to display voltage on lcd in 4bit mode.the code is running in pic16f72 but does not run in pic16F873. I have been using codes interchangeably between 72 and 873. but in asm
hi wondering if anyone can help me out with this, ive got the lcd displaying information, but i want it to display the temperature using the lm35 and adc0804 as well, using asm code. Basically i need to get the current reading from the lm35 and convert them in the adc0804 and then display that reading in degrees on the lcd display. I have (...)
hello i really need an asm program in this.. i have already the clock program but i cant seem to set the time with the keypad to the lcd.. i really hope you could help me.. :'(
Pls post the sch and codes (asm & HEX). Thanks in advance. Satheesh :-)
Here's some code extracted from the following the code: ;******************************************************************************* ; File: m8_lcd_4bit.asm ; Title: ATmega8 driver for
Any one please help me?
I want to create scrolling text on lcd 2x16.. how to create source code use asm AT89c51 please help me
Dear All I completed my RTC project with lcd As per Proteus simulator it does not display and update the time. I added asm file and coff file and Proteus file in the attachment. please advice where the wrong Thanks in advance 71515
Hi I am using 10 bit ADC and the coding has been done in Assembly Language. I need to display the input voltage (which is scaled by 2.5 ) on the lcd . Pls suggest me on how to do this in asm as it involves lot of floating point multiplications and all... Thanksss There are some programmers who quite a
Hello everybody I want to design and make a ID caller with 8870 and 8951 and lcd . please help me to makes code asm for conversi DTMF to lcd
hi, thanks for replying, PIC16f688, asm, 16 x 2 display. I could do with out the logo I'll just display a name(7 or eight xtars) thanks
CAN ANYONE PLEASE GIVE THIS CODE AT THE EARLIEST asm code for lm016l display code for 16f877a
plz compile this asm file and uplode hex file, micro controller - AT89c51 , ORG 00H START: LJMP MAIN_PGR ;GO TO MAIN PROGRAMME ORG 002FH MAIN_PGR: MOV A, # 38H ;INITIALIZE lcd LCALL WR_lcd MOV A, #0FH LCALL WR_lcd MOV A, #06H LCALL WR_lcd MOV A, #01H LCALL (...)
By the way you have the 5 and the 6s transposed in the discussion thread title. I have not personally use the PCF8566 in a design and you appear to have the datasheets, so there's not much I can help you in that area. However, I did find a some example code: Digital Microampermeter -
What PIC model are you using? Here's a project interfacing a PIC with a lcd using Assembly Language: Sending Strings to an lcd (asm) PIC Microcontroler lcd Display IO routines These links should get you started in the rig
i want to asm codes for converting the pressed character in PC (PS2) key board to ASCII equivalent displayed on lcdPS2 asm code below. Connect a serial lcd to finish the job. ;read PS2 keyboard using pic12f675 #include p12f675.inc ;12f675 has analogue __CONFIG 0x0184 errorlevel -302 ;prevent ba
Hi, what frequency you are running your PIC? From datasheet minimum pulse width for EN is 230ns or 450ns and data setup 80ns or 195 ns, so your EN = 1; asm("nop"); EN = 0; is not enough! Minimum E cycle frequency is 1ms, so __delay_ms(1) between commands is enough. I also recommend place one NOP between RS and/or RW changes and E rising edge. Your
It is easy to see if you code is for the one or the other AVRGCC uses include like this #include #include #include #include codevision uses include like this #include // Alphanumeric lcd Module functions #asm .equ __lcd_port=0x12 ;POR
Hi, Indicate your port bits for RS,RW,E and data lines. Check Nigel's tutorial for 4bit-lcd routine in asm; PIC Tutorial  Three - lcd Modules Thank you,
try proton or picbasic,don't bother with asm or C,too many bracket,lines, etc...,to print on lcd in basic ,simply do this : print at 1,1,"Hello" and check help file for other fonction,before in past,i programmed in asm,now i dont waste my time
The code is written with codevision, the code in the first lines #asm .equ __lcd_port=0x1B ;PORTA #endasm #include <lcd.h> defines the lcd port to portA and lcd_init() called later initializes the port direction (I/O) correctly as output. portA in not used anywhere else as input. (...)
i think the blades are the contraption that is used to generate the pulse for counting. the asm file is well commented!?
i'm using winstar 16*2 char lcd for displaying volume byte on screen.this lcd is interfaced with MC9S08SE8 MCU.i'm controlling the volume by pt2258 .after running the asm program and increasing the volume by remote is displaying the correct sequence of volume bytes but when i continue to press the volume button it abruptly stops displaying the
Bitmap Font Drawer is a free open-source tool for creating monochrome bitmap fonts for lcd/LED or impact printers. Features: * Import fonts installed on your operating system (GNU/Linux or MS Windows or another system); * Export to "C" and "asm"-likes file; * Export bitmap data in 4 - 64 bit data lengh and differe
Just check it out Regards Chanchal Added after 2 minutes: check this also out ww
hi, i want to make controlled current source which use max5400 digpot as voltage controller, atm128 used 2 control it by 3-wire, keypad as inputs 2 determined wiper position and lcd 16*2 as display,, the problem is,i lack of any language programming,i used 2 try some of it like asm and C,could u provide me any source code or any link or any suggest
It is little bit difficulty to trace your asm code. Anyway did you check the LPT (parallel port) output, I mean write a small asm program to check this first to verify it. And other thing is, any operating system if you used?
i am making a project on boile in which i have to give the temperature on boiler with the help of keypad and we have temperature sensor which are comparing with the input temp we gave ... and all the result should be shown on lcd .. this project should be made by help of microcontroller at89s52 ... i need code on this on assemply lungage plus schem
Hi, And choose your programming language(C, BASIC, asm or PASCAL), compiler (for PIC: C18, C30, HI-TECH, CCS, mikroC, mikroBASIC, PICBASIC, mikroPASCAL, etc. for AVR: WinAVR, mikroC, mikroBASIC, mikroPASCAL, BASCOM, etc.) I highly recommend the tools from mikroElektronika as I have been using them and am greatly satisfied and pleased with their c
to make this work Do I only need " 7 segment.asm" and "mikroe184.inc" "16f84.inc"? How about "digit.inc"? Do I need it too? Also, will these codes work for 16f690? Thank you so much.
hi, folks if i follow the connection and the codes is it possible to use the codes for my ? Thank you
I can't help you with a BASIC program, I never use it but what you are asking for sounds fairly easy to do in assembly language so it might be translatable to BASIC. The 16F84A has 12 I/O pins. You can use 4 pins to drive the lcd data lines and the keypad columns, 1 pin for the lcd RS, 1 pin for the lcd E and 4 pins to read the LC
iam facing a problem with pic18f452 how to program lcd & KEY BOARD using Embedded C & asm PRogram iam also facing how to include headrer files that ar required for lcd initialisation santhosh
Hi all, I`m a newbie with the uC, and now i try to interfacing PIC16f690 with TC77, and the result to be visualized on lcd display. Have you any examples of codes for SPI (I prefer in asm, but and C is good)? And can you tell me what i have to do, step by step to do this project ? Thanks :)
Hello All, I wrote asm code for huge project, but it still has few bugs. So I'll try to program it again with C language. Reazon is not working I2C communication between two PICs (Í disscuss with that problem earlier in here). Maybe it is easier with C ?. I use 8 bit data for lcd with this project and E,RW,RS are routed via Altera logic ch
Hi friends I wrote this simple code. the CodeVision compiles it without error but it can't make it: #include #asm .equ __lcd_port=0x18 #endasm #include <lcd.h> void main (void) { lcd_init(16); lcd_clear(); (...)