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Re: Basic SPI question
I have been working on a scheme in which i am monitoring the SPI Data communication happening between an SPI Master and a Slave ,using basically a microcontroller with two SPI ports (one for monitoring each SI and SO).
I have configured both the SPI ports of my Board in...
spi running clock
If a microcontroller only needs to talk to 1 SPI peripheral, the CS pin on that slave may be grounded
But how does the slave know where the commands start and stop i.e. how does the slave know the start of Byte
Hi i am using the LPC 2294 phytec board
I have the following questions
1)i want to sniff SPI packet data which is taking place between two devices .
Can i use the SPI Engine of LPC 2294 to do that
i want to sniff the SI,SO data both of SPI Communication taking place
between two controllers
or...
Hi i am using the LPC 2294 to sniff SPI packet data.
Can i use the SPI Engine of LPC 2294 to do that
i want to sniff the SI,SO data both of SPI Communication taking place between two controllers
or should i use GPIO triggered by the SCLK edge triggered external Interrupt
Please give me some...
I want to learn C programming for the LPC 2214 micrcontroller from NXP.I went through the USER MANUAL but its too tedious and long!!! :-)
Please give me pointers regarding the folowing:
Reference Book/www Resources which give sample programs for each module.
Best Regards,
S
i have to design a temperature measurement network (bridge)using NTC ,
with following characteristics:
Voltage range 0-50degress
Voltage output at 0 degree celsius :2.73V
resolution 10mV per degree kelvin
Is such linear response possible using thermistor
Suppose i have a current loop of 1mA with supply voltage ranging from 1.8 to 5.5V
i have a remote controller which is loop powered.
Now if the loop current is now 100 microamps at 1.8V is there a controller which could operate at such low power
bit declaration
Suppose i am using a 32 bit controller in which each memory location is 16 bits long.
if i declare an unsigned char variable of 8 bytes then how is it interpreted by compiler?
Does it have any meaning or by default it shall allocate 2 bytes?
Multicolor LEDS
guys i wanna know that can we configure which color a multicolor LED should GLow.
i want to use One LED for different indications at different times.
during the first Instant it should glow yellow,
next condition :Orange
Last condition:Red
Are there such LED's available?
PLz read the following PARAGRAPH
ADC's include system calibration to null offset and gain errors in the input channel. The digital values associated with the system calibration can be written to, or read from, the calibration RAM locations at any time via the serial communications port. The...
hi guys,
i am supposed to write application programs for sending and receiving data from PC (RS232 vi)a CAN Bus using the MC9S12C128 Freescale controller which has a MsCAN module.i have two boards and i have to send data fromPC to one of the boards which will convert it into a Can Frame and...
arm7 canbus
Hi guys,
i am supposed to develop Ecos device Drivers to support CANbus on an ARM7 processor.
The target is the Philips LPC2292 ARM7TDMI processor. This device will run the eCos real-time-operating system.
The eCos CAN drivers are supposed to support CANbus using the CANopen...
Can anyone share a good book for C programming for microcontrollers.
it should assume that the reader has no prior knowledge Of C i.e.It should teach basic C prgramming and C programming for microcontrollers.
I have gone through several books which are dedicated to just aspects of C used in...
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