Programming the SPI - Revision history

Underwood: fixed typo

2008-06-24T14:48:20Z

fixed typo

Senderovich at 21:54, 5 June 2008

2008-06-05T21:54:27Z

Senderovich at 06:47, 28 October 2007

2007-10-28T06:47:04Z

Senderovich: /* ADC/Temperature Sensor Integration */

2007-10-28T06:03:35Z

ADC/Temperature Sensor Integration

Senderovich at 06:03, 28 October 2007

2007-10-28T06:03:18Z

Senderovich at 19:32, 26 October 2007

2007-10-26T19:32:22Z

Krueger at 19:28, 20 July 2007

2007-07-20T19:28:24Z

Krueger at 19:27, 20 July 2007

2007-07-20T19:27:51Z

New page

'''This page discusses a project currently under development. Please be aware that information on this page may change as the project progresses.'''

This module aims to merge the ADC and temperature sensor modules into a single module. Both modules communicate over a shared SPI-like bus, and there are many structural and functional similarities between the two. However, this is a partially completed project. The current VHDL files (which are mostly written but need to be tested) can be found [http://zeus.phys.uconn.edu/halld/tagger/electronics/design-6-2007/SPI_VHDL.zip here]. The subprojects (i.e. earlier versions of the separate ADC and temperature sensor modules) can be found at:
* [http://zeus.phys.uconn.edu/halld/tagger/electronics/design-6-2007/ADC_VHDL.zip ADC Module]
* [http://zeus.phys.uconn.edu/halld/tagger/electronics/design-6-2007/Temp_VHDL.zip Temperature Sensor Module]

← Older revision		Revision as of 14:48, 24 June 2008
Line 1:		Line 1:
−	The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. It was therefore decided that the controllers for these chips should be ~~merges~~ into a single module in the FPGA. The combined module serves to abstract the details of the communication protocol with these sensors.	+	The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. It was therefore decided that the controllers for these chips should be merged into a single module in the FPGA. The combined module serves to abstract the details of the communication protocol with these sensors.

← Older revision		Revision as of 21:54, 5 June 2008
Line 1:		Line 1:
−	~~'''This page discusses a project currently under development. Please be aware that information on this page may change as the project progresses.'''~~
−
	The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. It was therefore decided that the controllers for these chips should be merges into a single module in the FPGA. The combined module serves to abstract the details of the communication protocol with these sensors.		The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. It was therefore decided that the controllers for these chips should be merges into a single module in the FPGA. The combined module serves to abstract the details of the communication protocol with these sensors.

@@ Line 1: / Line 1: @@
 '''This page discusses a project currently under development.  Please be aware that information on this page may change as the project progresses.'''
-The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. It was therefore decided that the controllers for these chips should be merges into a single module in the FPGA. The combined module serves to abstract the details of the communication protocol with these sensors.
+== SPI Module Interface ==
 * inputs
@@ Line 26: / Line 26: @@
------------------
+== SPI Module Components ==
-This module aims to merge the ADC and temperature sensor modules into a single module.  Both modules communicate over a shared SPI-like bus, and there are many structural and functional similarities between the two.  However, this is a partially completed project.  The current VHDL files (which are mostly written but need to be tested) can be found at:
+The ADC requires two dummy conversations upon reset or startup. The ADCreset unit forces these two cycles to take place.  A request for data on a new ADC line (compared to last request) requires one write cycle to the ADC control buffer and then the ordinary read cycle. A_proccontrol determines whether to perform a write cycle. The "Done" pulse is withheld if the competed cycle is  a control buffer write cycle or reset cycles mentioned above. Only the final read cycle merits the external "Done" pulse.

@@ Line 9: / Line 9: @@
 ** Clk: Clock
 ** /Rst: asynchronous, active-low reset
 ** Go: pulse to begin sensor data request process
 ** T_/A: Chip select: high-Temp, low-ADC

@@ Line 4: / Line 4: @@
 === ADC/Temperature Sensor Integration ===
-The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. From this arose the idea of merging the controllers for these chips into a single module in the FPGA.
+The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. It was therefore decided that the controllers for these chips should be merges into a single module in the FPGA. The combined module serves to abstract the details of the communication protocol with these sensors.
 -----------------

← Older revision		Revision as of 19:32, 26 October 2007
Line 1:		Line 1:
	'''This page discusses a project currently under development. Please be aware that information on this page may change as the project progresses.'''		'''This page discusses a project currently under development. Please be aware that information on this page may change as the project progresses.'''
		+
		+
		+	=== ADC/Temperature Sensor Integration ===
		+
		+	The ADC ([http://www.analog.com/en/prod/0%2C2877%2CAD7928%2C00.html AD7928]) and Temperature Sensor ([http://www.analog.com/en/prod/0%2C2877%2CAD7314%2C00.html AD7314]) communicate over very similar, SPI-like interfaces. From this arose the idea of merging the controllers for these chips into a single module in the FPGA.
		+
		+	-----------------

	This module aims to merge the ADC and temperature sensor modules into a single module. Both modules communicate over a shared SPI-like bus, and there are many structural and functional similarities between the two. However, this is a partially completed project. The current VHDL files (which are mostly written but need to be tested) can be found at:		This module aims to merge the ADC and temperature sensor modules into a single module. Both modules communicate over a shared SPI-like bus, and there are many structural and functional similarities between the two. However, this is a partially completed project. The current VHDL files (which are mostly written but need to be tested) can be found at: