Using 8051 UART to interface with MatLab

Started by b_ma...@pacific.edu in comp.arch.embedded14 years ago 1 reply

I have project for school where we are using the Cygnal 8051 mircocontroller to capture acceleration. My part of the project is to take the...

I have project for school where we are using the Cygnal 8051 mircocontroller to capture acceleration. My part of the project is to take the data stored in memory and use MatLab to produce graphs and such. My question is where do i get started... how can i directly interface the 8051 with Matlab.


cheap way to develop a USB device?

Started by yong in comp.arch.embedded16 years ago 15 replies

What is the cheapest way to develop a USB device? The Cygnal F32x seems good for its on chip USB controller. But it needs the Keil tools which...

What is the cheapest way to develop a USB device? The Cygnal F32x seems good for its on chip USB controller. But it needs the Keil tools which is expensive. Is there any USB tools(hardware/software) exsisted which is under $500 for 8 bit microcontroller like 8051,PIC, or AVR? For very low volume, I need low price development tools.


Cygnal 8051F310 problem with onchip XRAM

Started by John F in comp.arch.embedded12 years ago 7 replies

#include #include #include Everytime I'm trying to use e.g. unsigned char myarray[8][25]; in a (quite trivial) application...

#include #include #include Everytime I'm trying to use e.g. unsigned char myarray[8][25]; in a (quite trivial) application I get linkage error with adress space. That's OK and working correctly. *** ERROR L107: ADDRESS SPACE OVERFLOW SPACE: DATA SEGMENT: ?DT?VALVE LENGTH: 007DH so far so good. As usual


consecutive bytes in internal RAM for DSEG

Started by Anonymous in comp.arch.embedded14 years ago 3 replies

Hi All, I am Ravikumar.N, using SDCC compiler with Cygnal C8051F130 microcontroller for one of my application. Used large memory...

Hi All, I am Ravikumar.N, using SDCC compiler with Cygnal C8051F130 microcontroller for one of my application. Used large memory model here. The folowing is my issue. I have declared an array of 600 of type float with the keyword xdata. i.e. xdata float array[600]. This array is used to store some float values. while compiling the application, the application gets compiled ...


Problem with simple constant code

Started by Klaus Vestergaard Kragelund in comp.arch.embedded15 years ago 2 replies

Hi Well, this is driving me nuts. I'm using Keil uVision C51 compiler for a Cygnal 80C51F302 device This is the code: """""""" #define...

Hi Well, this is driving me nuts. I'm using Keil uVision C51 compiler for a Cygnal 80C51F302 device This is the code: """""""" #define SYSCLK 10000000 // SYSCLK frequency in Hz #define SYSCLK_MINUTE 600000000 // (600E6) unsigned long TimerCount; unsigned int SampleRate; TimerCount = SYSCLK_MINUTE / SampleRate; """""""""" If SampleRate is 6 for example, the result of Timer...