Bus Initialization
Nils Hölscher nilhoel1
nilhoel1
/ libBSD-bus-init.rst
Created
August 22, 2019 09:42
Documentation on RTEMS-libbsd Bus init process.
nilhoel1
/ passlink and link Lists during rtems-libbsd with pruss app
Created
August 8, 2019 18:38
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| ========== passlink List ========== | |
| Name: simplebus, Pass: 10 | |
| Name: ti_scm, Pass: 15 | |
| Name: cpswss, Pass: 2147483647 | |
| ========== link List ========== | |
| DevClass: root | |
| DevClass: simplebus | |
| DevClass: cpswss | |
| DevClass: uhub | |
| DevClass: usbus |
nilhoel1
/ BUS_DEBUG-output.log
Created
July 31, 2019 12:37
The output for my rtems-pru app using my rtems-libbsd form. BUS_DEBUG is enables.
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| Skript gestartet auf 2019-07-31 13:07:33+02:00 [TERM="xterm-256color" TTY="/dev/pts/1" COLUMNS="238" LINES="27"] | |
| ]0;nils@nils-Laptop:~[nils@nils-Laptop ~]$ beagleserial | |
| [sudo] Passwort für nils: | |
| picocom v3.1 | |
| port is : /dev/ttyUSB0 | |
| flowcontrol : none | |
| baudrate is : 115200 | |
| parity is : none | |
| databits are : 8 |
nilhoel1
/ PRU-UIO-EXAMPLE-PINS.dts
Last active
June 5, 2019 16:53
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| /dts-v1/; | |
| /plugin/; | |
| / { | |
| compatible = "ti,beaglebone", "ti,beaglebone-black", "ti,beaglebone-green"; | |
| // identification | |
| part-number = "PRU-UIO-EXAMPLE-PINS"; | |
| version = "00A0"; |
nilhoel1
/ loop.p
Created
May 17, 2019 12:06
PRU assembler example taken from https://jumpnowtek.com/beaglebone/Working-with-the-BeagleBone-PRUs.html
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| ; Run a simple delay loop on the PRU | |
| ; Original source https://jumpnowtek.com/beaglebone/Working-with-the-BeagleBone-PRUs.html | |
| .setcallreg r29.w0 | |
| .origin 0 | |
| .entrypoint start | |
| #define PRU0_ARM_INTERRUPT 19 | |
| #define DELAY_COUNT 50000000 |
nilhoel1
/ AM335X-PRU-UIO-00A0.dts
Last active
May 15, 2019 16:20
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| /* | |
| * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| /dts-v1/; | |
| /plugin/; |
nilhoel1
/ blink.p
Created
May 15, 2019 12:58
— forked from shirriff/blink.p
Assembly code to demonstrate the PRU on the BeagleBone Black. This code blinks an LED 10 times.
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| ; blink.p: demonstration of PRU on the BeagleBone Black | |
| ; blink LED connected to P8_11 ten times | |
| .origin 0 | |
| .entrypoint TOP | |
| TOP: | |
| MOV r1, 10 ; blink counter | |
| BLINK: | |
| SET r30, r30, 15 ; set GPIO output 15 | |
| MOV r0, 0x00a00000 ; delay counter | |
| DELAY: |
nilhoel1
/ loader.c
Created
May 15, 2019 12:57
— forked from shirriff/loader.c
Loads a PRU text.bin (and optionally data.bin) file, executes it, and waits for completion.
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| // Loads a PRU text.bin (and optionally data.bin) file, | |
| // executes it, and waits for completion. | |
| // | |
| // Usage: | |
| // $ ./loader text.bin [data.bin] | |
| // | |
| // Compile with: | |
| // gcc -o loader loader.c -lprussdrv | |
| // | |
| // Based on https://credentiality2.blogspot.com/2015/09/beaglebone-pru-gpio-example.html |