timer ports, ping ultrasonic sensors + dragon bored 12

Started by Heart Online in 68HC128 years ago 6 replies

hello =A0am new to the 68hc12 enviorment, but recently i have purchsed adragon bo= red plus=20 from evbplus.com .. and some ultrasonic ping...

hello =A0am new to the 68hc12 enviorment, but recently i have purchsed adragon bo= red plus=20 from evbplus.com .. and some ultrasonic ping sensors from parllex=20 i waas wondering if anyone knows how to get the timer ports to work so i ca= n use asingle io pin on the dragon bored to get it to work .. or if anyone has any sample codes that they wouldnt mi= nd shareing.=20 thank you...


HCS12 SCI Flash Programming Help

Started by jssimbe in 68HC128 years ago 1 reply

I'm using and HCS12 with icc12 compiler. I'm using SCI1 to communicate to a touch screen LCD. This program loads the LCD GUI. When I try...

I'm using and HCS12 with icc12 compiler. I'm using SCI1 to communicate to a touch screen LCD. This program loads the LCD GUI. When I try loading the program into flash, it doesn't work. When I'm not using flash, the program works fine and GUI is loaded on the screen. When I flash the board, I include the vectors_dp256 file and set the abs_address to 0xef80. Any help would be greatly apprecia...


Dragon Board 12 Serial Communication C code Help

Started by zach...@gmail.com in 68HC128 years ago 11 replies

Hello all, I am hoping someone has some incite as to what I am doing wrong here, I figure it is a small problem but I am out of ideas. This is...

Hello all, I am hoping someone has some incite as to what I am doing wrong here, I figure it is a small problem but I am out of ideas. This is just a test to figure out how to pass char * through methods. The code should print Hello World to the serial port which it does, then print tes repeatedly, which it does not, rather the output is as follows: Hello World"""""&qu


Machine code relative offsets

Started by AlD in 68HC128 years ago 4 replies

I am trying to understand how assembly is translated into machine code. I understand how to get the machine coding formats but I'm not sure how to...

I am trying to understand how assembly is translated into machine code. I understand how to get the machine coding formats but I'm not sure how to calculate 'rr' in all cases. For the example below 'bra' is 20 rr or 20 03, I know that the relative offset is 03 (to get past the two bytes required by the 'inc' instruction)to get to the 'iny' instruction. But I'm not sure why the rr = F3 for the ...


update on free HCS12(X) tools

Started by mculater12 in 68HC129 years ago

Greetings from Technological Arts! I'd like to let everyone in the HCS12(X) community know about several free development tools that have been...

Greetings from Technological Arts! I'd like to let everyone in the HCS12(X) community know about several free development tools that have been released recently. This announcement will be especially interesting to those who are not using C or assembler. Several months ago, programmer David Armstrong released a FIG-Forth compiler and IDE for the 9S12XDP (http://mamoru.tbreesama.googlepages.com...


legacy: MiniIDE and HC9S12D64

Started by warm38spl in 68HC129 years ago 5 replies

I am working with a legacy program written in HC11 assembler and ported to HC9S12D64 assembler using MiniIDE and using TwinPeeks2.0 as the monitor...

I am working with a legacy program written in HC11 assembler and ported to HC9S12D64 assembler using MiniIDE and using TwinPeeks2.0 as the monitor residing at $F000-$FFFF. The program is growing and I need extra space in Flash. How do I program for and access PPAGE=$3D? Can this be done using MiniIDE and TwinPeeks? When MiniIDE detects ORG statement beyond FFFF it starts generating S2 reco...


How to use Port P as an output pin?

Started by deniz_kerimoglu in 68HC129 years ago 4 replies

Hi everyone, I got a simple question. I need to use port p as general purpose output, I need to take 0V or 5V output from any of pp0-pp5 pins?...

Hi everyone, I got a simple question. I need to use port p as general purpose output, I need to take 0V or 5V output from any of pp0-pp5 pins? How can I achieve it in C? Regards. ------------------------------------


CodeWarrior para HCS12 v3.1

Started by gonzalo Merida in 68HC129 years ago 2 replies

Estimados:Apelo a su atenci=F3n para que=A0me ayuden a =A0conseguir el comp= ilador "CodeWarrior para HCS12 v3.1" sin limitaciones de tama=F1o de...

Estimados:Apelo a su atenci=F3n para que=A0me ayuden a =A0conseguir el comp= ilador "CodeWarrior para HCS12 v3.1" sin limitaciones de tama=F1o de c=F3di= go ni cantidad de archivos=A0(con archivo *.lic full) para fines did=E1ctic= os=A0, dado que necesito probar un micro de la linea HCS12 , entiendo que e= st=E1n disponibles las versiones superiores (v4.6 y v5.0) en freescale y ad= em=E1s se ...


Schematic EVB with HCs12

Started by mich...@gmail.com in 68HC129 years ago 3 replies

i'm anewbie.I like HCS12 but at VietNam no sale Kit. I want draw a board to test.help me for a schematic. If have schematic interface USB to...

i'm anewbie.I like HCS12 but at VietNam no sale Kit. I want draw a board to test.help me for a schematic. If have schematic interface USB to download program is good. ------------------------------------


HCS12 with 3 SCI Ports?

Started by jmey...@emittechnologies.com in 68HC129 years ago 4 replies

I have been looking, but I can't seem to find any HCS12 products with more than two undependant SCI ports. Does anyone know of a HSC12 product...

I have been looking, but I can't seem to find any HCS12 products with more than two undependant SCI ports. Does anyone know of a HSC12 product that does? ------------------------------------


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