05-05 DataConversion - Revision history

Support at 14:45, 18 September 2014

Support — Thu, 18 Sep 2014 14:45:01 GMT

← Older revision		Revision as of 14:45, 18 September 2014
Line 59:		Line 59:
	}		}

-	DAC0 (~~CH1~~) and the Function Generator (~~CH2~~) was captured on the oscilloscope in the image below.	+	DAC0 (CH2) and the Function Generator (CH1) was captured on the oscilloscope in the image below.
	[[Image:BAM210_05_05.png\|center\|]]		[[Image:BAM210_05_05.png\|center\|]]

	The following image shows the built circuit on a BAM210E.		The following image shows the built circuit on a BAM210E.
	[[Image:BAM210_DataConversion.jpeg\|center\|]]		[[Image:BAM210_DataConversion.jpeg\|center\|]]

Support at 19:41, 17 September 2014

Support — Wed, 17 Sep 2014 19:41:47 GMT

← Older revision		Revision as of 19:41, 17 September 2014
Line 1:		Line 1:
	This example reads an Analog to Digital Converter (ADC) and outputs it to a Digital to Analog Converter(DAC).		This example reads an Analog to Digital Converter (ADC) and outputs it to a Digital to Analog Converter(DAC).

		+	The signals used for this example are listed below:
		+	{\| border="1" cellpadding="5" cellspacing="2" align="center" style="text-align: center;"
		+	\|+ align="bottom"\|'''Signals Used and Connector Locations for Example 05-05'''
		+	\|'''Signal'''
		+	\|'''LPC4330 PIN NAME'''
		+	\|'''BAM210E'''
		+	\|'''BAM210'''
		+	\|'''BAM200E'''
		+	\|'''BAM200'''
		+	\|'''Used for'''
		+	\|-
		+	\|A0
		+	\|P7_4
		+	\|J8-1
		+	\|J8-1
		+	\|S4-3
		+	\|S4-3
		+	\|Function Generator
		+	\|-
		+	\|DAC0
		+	\|P4_4
		+	\|J8-6
		+	\|J8-6
		+	\|S3-5
		+	\|S3-5
		+	\|Oscilloscope
		+	\|-
		+	\|}
		+
		+	The following schematic can be used to build the circuit with a BAM210E or BAM210.
		+	[[Image:BAM210_05_05_SCH.png\|center\|alt=BAM210\|frame\|<div align="center">'''Schematic for example 05-05''']]
		+
		+	<div style="text-align: left;">
	/*Program Example 5.5: Inputs signal through ADC, and outputs to DAC.		/*Program Example 5.5: Inputs signal through ADC, and outputs to DAC.
	View DAC output on oscilloscope. To demonstrate Nyquist, connect variable		View DAC output on oscilloscope. To demonstrate Nyquist, connect variable
Line 26:		Line 59:
	}		}

-	[[Image:~~BAM210_DataConversion~~.~~jpeg~~\|center\|]]	+	DAC0 (CH1) and the Function Generator (CH2) was captured on the oscilloscope in the image below.
		+	[[Image:BAM210_05_05.png\|center\|]]

-		+	The following image shows the built circuit on a BAM210E.
-	[[Image:~~BAM210_05_05_SCH~~.~~png~~\|center\|~~alt=BAM210\|frame\|<div align="center">'''Schematic for example 05-05'''~~]]	+	[[Image:BAM210_DataConversion.jpeg\|center\|]]

Support: Created page with 'This example reads an Analog to Digital Converter (ADC) and outputs it to a Digital to Analog Converter(DAC). /*Program Example 5.5: Inputs signal through ADC, and outputs to D…'

Support — Thu, 14 Aug 2014 15:55:44 GMT

Created page with 'This example reads an Analog to Digital Converter (ADC) and outputs it to a Digital to Analog Converter(DAC). /*Program Example 5.5: Inputs signal through ADC, and outputs to D…'

New page

This example reads an Analog to Digital Converter (ADC) and outputs it to a Digital to Analog Converter(DAC).

/*Program Example 5.5: Inputs signal through ADC, and outputs to DAC.
View DAC output on oscilloscope. To demonstrate Nyquist, connect variable
frequency signal generator to ADC input. Allows measurement of conversion
times, and explores Nyquist limit.
*/
#include "mbed.h"
AnalogOut Aout(DAC0); //defines analog output on Pin DAC0
AnalogIn Ain(A0); //defines analog input on Pin A0
DigitalOut test(p21);
float ADCdata;

int main() {
while(1) {
ADCdata=Ain; //starts A-D conversion, and assigns analog value to ADCdata
test=1; //switch test output, as time marker
test=0;
Aout=ADCdata; // transfers stored value to DAC, and forces a D-A conversion
test=1; //a double pulse, to mark the end of conversion
test=0;
test=1;
test=0;
//wait(0.001); //optional wait state, to explore different cycle times
}
}

[[Image:BAM210_DataConversion.jpeg|center|]]

[[Image:BAM210_05_05_SCH.png|center|alt=BAM210|frame|<div align="center">'''Schematic for example 05-05''']]