Ti AM33XX PRUSSv2 - Revision history

Mr.StevenFeldman: Fixed miss labled pin

2013-05-22T01:34:28Z

Fixed miss labled pin

2013-05-17T15:12:23Z

Added PRU FAQ

2013-05-16T23:45:33Z

‎Resources: typo

2013-05-16T23:45:07Z

‎Resources: Added link to nomel.org for OCP

2013-05-16T16:50:02Z

Added link to PRU debugger "prude"

2013-05-16T15:49:51Z

‎PRU to Host (PRU to ARM Cortex-A8)

2013-05-16T15:48:05Z

PRU to Host (PRU to ARM Cortex-A8) Added basic interrupt control from the PRU to the ARM processors

2013-05-14T04:46:07Z

‎Resources: Added link to debugger

2013-05-13T20:33:58Z

‎Beaglebone PRU connections and modes

2013-05-13T20:24:12Z

‎Beaglebone PRU connections and modes

@@ Line 154: / Line 154: @@
 |1
 |Mode_5
-|P9_31
+|P9_29
 |SPI1_D0
 |mcasp0_fsx

@@ Line 523: / Line 523: @@
 == Resources ==
 * [https://github.com/beagleboard/am335x_pru_package AM335x PRU support package on Github]
 * [https://github.com/beagleboard/am335x_pru_package/blob/master/am335xPruReferenceGuide.pdf?raw=true AM335x PRU-ICSS Reference Guide]

@@ Line 531: / Line 531: @@
 * A userspace [https://docs.google.com/file/d/0B80aJokrBccAV1paMTU0bjM1OXc/edit?usp=sharing debugging utility] with credit to PRU_EVTOUT_2 from the #beagle IRC channel.
 * ncurses based debugger work has started at [https://github.com/wz2b/prude here].
-* For using the Open Connect Protocol to [http://nomel.org/post/30006622413/beaglebone-tutorial-accessing-main-memory-from-the-pru access external memory] from the PRU.
+* For using the Open Core Protocol to [http://nomel.org/post/30006622413/beaglebone-tutorial-accessing-main-memory-from-the-pru access external memory] from the PRU.
 == Examples ==

@@ Line 531: / Line 531: @@
 * A userspace [https://docs.google.com/file/d/0B80aJokrBccAV1paMTU0bjM1OXc/edit?usp=sharing debugging utility] with credit to PRU_EVTOUT_2 from the #beagle IRC channel.
 * ncurses based debugger work has started at [https://github.com/wz2b/prude here].
 == Examples ==

← Older revision		Revision as of 16:50, 16 May 2013
Line 530:		Line 530:

	* A userspace [https://docs.google.com/file/d/0B80aJokrBccAV1paMTU0bjM1OXc/edit?usp=sharing debugging utility] with credit to PRU_EVTOUT_2 from the #beagle IRC channel.		* A userspace [https://docs.google.com/file/d/0B80aJokrBccAV1paMTU0bjM1OXc/edit?usp=sharing debugging utility] with credit to PRU_EVTOUT_2 from the #beagle IRC channel.
		+	* ncurses based debugger work has started at [https://github.com/wz2b/prude here].

	== Examples ==		== Examples ==

@@ Line 79: / Line 79: @@
      #define PRU_NUM0	  0
 /* Then, initialize the interrupt controller data */
@@ Line 100: / Line 103: @@
 Register 31 allows for control of the INTC for the PRU.
 === Host to PRU (ARM Cortex-A8 to PRU) ===

← Older revision		Revision as of 15:48, 16 May 2013
Line 75:		Line 75:

	=== PRU to Host (PRU to ARM Cortex-A8) ===		=== PRU to Host (PRU to ARM Cortex-A8) ===
		+	Include the uio_pruss kernel driver by using '''modprobe uio_pruss''' or the steps outlined above, if that does not work.
		+	Then in a project include the header files for the am335x_pru_package.

		+	#define PRU_NUM0 0
		+
		+	/* Then, initialize the interrupt controller data */
		+	tpruss_intc_initdata pruss_intc_initdata = PRUSS_INTC_INITDATA;
		+	/* Initialize the PRU */
		+	prussdrv_init ();
		+	/* Get the interrupt initialized */
		+	prussdrv_pruintc_init(&pruss_intc_initdata)
		+
		+	/* Execute example on PRU0 where first argument is the PRU# and second is the assembly to execute*/
		+	prussdrv_exec_program (PRU_NUM0, "./example.bin");
		+
		+	/* Wait until PRU0 sends the interrupt*/
		+	prussdrv_pru_wait_event (PRU_EVTOUT_0);
		+	/* Clear the interrupt*/
		+	prussdrv_pru_clear_event (PRU0_ARM_INTERRUPT);
		+
		+	The PRU (in this case 0) will have the following in the example.bin file to trigger the interrupt:
		+	#define PRU0_ARM_INTERRUPT 19
		+	MOV r31.b0, PRU0_ARM_INTERRUPT+16
		+
		+	Register 31 allows for control of the INTC for the PRU.

← Older revision		Revision as of 04:46, 14 May 2013
Line 503:		Line 503:

	* [https://github.com/sagedevices/ti-pruv2-assembly-textmate-bundle PRU assembly syntax highlighting for TextMate, Sublime Text, etc.]		* [https://github.com/sagedevices/ti-pruv2-assembly-textmate-bundle PRU assembly syntax highlighting for TextMate, Sublime Text, etc.]
		+
		+	* A userspace [https://docs.google.com/file/d/0B80aJokrBccAV1paMTU0bjM1OXc/edit?usp=sharing debugging utility] with credit to PRU_EVTOUT_2 from the #beagle IRC channel.

	== Examples ==		== Examples ==

@@ Line 169: / Line 169: @@
 |Mode_5
 |P9_42
-|<pre style="color: red">(*note1)</pre>
+|<span style="color: red">(*note1)</span>
 |mcasp0_aclkr
 |9A0h
@@ Line 195: / Line 195: @@
 |Mode_5
 |P9_41
-|<pre style="color: red">(*note2)</pre>
+|<span style="color: red">(*note2)</span>
 |mcasp0_axr1
 |9A8h