RHD:Plug-in architecture - Revision history

Jca: /* Update variables */

2011-09-18T11:11:00Z

Update variables

← Older revision		Revision as of 13:11, 18 September 2011
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	int getWriteVariable(int varidx, int value_index);		int getWriteVariable(int varidx, int value_index);

	The ''varidx'' integer is the index from when the ''write'' variable was created, and the ''value_index'' in 0 if there is just one value, or the index to the value, if variable is an array.		The ''varidx'' integer is the index from when the ''write'' variable was created, and the ''value_index'' is 0 if there is just one value, or the index to the value, if the variable is an array.

	===test the plugin===		===test the plugin===

Jca: /* Update variables */

2011-09-18T11:10:29Z

Update variables

← Older revision		Revision as of 13:10, 18 September 2011
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	You can read values from ''write'' variables by the call:		You can read values from ''write'' variables by the call:

	int getWriteVariable(int ~~variable~~, int value_index);		int getWriteVariable(int varidx, int value_index);

	The ~~variable~~ integer is the index from when the ''write'' variable was created, and the ''value_index'' in 0 if there is just one value, or the index to the value, if variable is an array.		The ''varidx'' integer is the index from when the ''write'' variable was created, and the ''value_index'' in 0 if there is just one value, or the index to the value, if variable is an array.

	===test the plugin===		===test the plugin===

Jca: /* test the plugin */

2011-09-18T11:09:36Z

test the plugin

← Older revision		Revision as of 13:09, 18 September 2011
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	***************** RHD Client V1.0 *************************		***************** RHD Client V1.0 *************************
			r: (1) tick[1]: (15712)
	r: (0) version[1]: (0)		r: (0) version[1]: (0)
	r: (1) sf9acc[3]: (23)(-3)(-288)		r: (1) sf9acc[3]: (23)(-3)(-288)

Jca: /* Initialize device */

2011-09-18T11:07:59Z

Initialize device

← Older revision		Revision as of 13:07, 18 September 2011
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	The function could look something like:		The function could look something like:

	int'''initSf9dof('''void)		int'''initSf9dof('''void)
	{ //Open first serial port		{ //Open first serial port
	int result;		int result;
	rxtask.running = 0;		rxtask.running = 0;
Line 172:		Line 172:
	}		}
	return result;		return result;
	}		}

	A read thread ''sf9dof_task(void *)'' is started to communicate with the device, and		A read thread ''sf9dof_task(void *)'' is started to communicate with the device, and

Jca: /* XML-read */

2011-09-18T11:07:32Z

XML-read

← Older revision		Revision as of 13:07, 18 September 2011
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	Here the main parameters to extract is the serial device name and baudrate (see the rhdconfig.xml file on top of this page)		Here the main parameters to extract is the serial device name and baudrate (see the rhdconfig.xml file on top of this page)
	they are extracted at "depth level 3" in the tag called "sf9dof".		they are extracted at "depth level 3" in the tag called "sf9dof".

			====Initialize device====

	After the parsing of the XML file the device needs to be initialized.		After the parsing of the XML file the device needs to be initialized.
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	A read thread ''sf9dof_task(void *)'' is started to communicate with the device, and		A read thread ''sf9dof_task(void *)'' is started to communicate with the device, and
	a ''createSf9dofvariables()'' is called to create the data exchange variables.		a ''createSf9dofvariables()'' is called to create the data exchange variables.

			====Create database variables====

	The ''createSf9dofvariables()'' could look like:		The ''createSf9dofvariables()'' could look like:
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	In this case there is ''read'' variables only, but exchange the 'r' with a 'w' and it becomes a write variable.		In this case there is ''read'' variables only, but exchange the 'r' with a 'w' and it becomes a write variable.
	An index to the created variables are returned, and they must be used, when the values should be updated (or the ''write'' variables read.		An index to the created variables are returned, and they must be used, when the values should be updated (or the ''write'' variables read.

			====Update variables====

	An example that updates the ''sf9gyro'' and ''sf9updateRate'' variable could look like		An example that updates the ''sf9gyro'' and ''sf9updateRate'' variable could look like

Jca at 11:05, 18 September 2011

2011-09-18T11:05:41Z

Show changes

Jca: New page: ===Load a plug-in=== Plugins are loaded when they are mentioned in the ''rhdconfig'' file, e.g. like