alexanderhiam / rs485-test.c

Last active January 4, 2016 01:29

Both these tests are failing on the BeagleBone and BeagleBone Black...

	#include <linux/serial.h>
	#include <stdio.h>
	#include <fcntl.h>
	#include <errno.h>

	#define TIOCGRS485 0x542E
	#define TIOCSRS485 0x542F

	int main(void) {
	struct serial_rs485 rs485conf;

alexanderhiam / cape-thermostat-00A0.dts

Last active August 29, 2015 13:57

Device Tree overlay and Python program for a simple thermostat BeagleBone cape: http://inspire.logicsupply.com/p/building-custom-cape.html

	/* cape-thermostat-00A0.dts
	* Mar. 2014
	*
	* Overlay for a simple thermostat cape.
	*
	* Created for Logic Supply's custom cape tutorial here:
	* http://inspire.logicsupply.com/p/building-custom-cape.html
	*/

	/dts-v1/;

alexanderhiam / dmx512.py

Created May 19, 2014 16:07

DMX512 demo for Logic Supply's CBB-Serial BeagleBone cape

	"""
	dmx512.py
	May, 2014
	Alexander Hiam <[email protected]>

	A very basic DMX512 implementation made for the BeagleBone and
	BeagleBone Black.

	DMX512 class should be instantiated with a PyBBIO serial port object,
	e.g.:

alexanderhiam / botspeak-mapping.md

Last active August 29, 2015 14:03

SET

CMD   A     VALA     B     VALB  
0000 0000 0000 0000 0000 0000 0000 0000
\  / \  / \       / \  / \       / \  / 
SET  DIO      5     VAR      4   ignored

A,B are one of DIO, AO, PWM, TMR, user variable, value

alexanderhiam / loading-pruspeak

Last active August 29, 2015 14:03

	root@beaglebone:~/pruspeak/src/driver# insmod ./pru_speak.ko
	root@beaglebone:~/pruspeak/src/driver# lsmod \| grep pru
	pru_speak 22648 0
	root@beaglebone:~/pruspeak/src/driver# ls /lib/firmware/ \| grep pru
	pru_firmware
	root@beaglebone:~/pruspeak/src/driver# echo BB-BONE-PRU-07 > $SLOTS
	root@beaglebone:~/pruspeak/src/driver# cat $SLOTS
	0: 54:PF---
	1: 55:PF---
	2: 56:PF---

alexanderhiam / autosave.html

Created July 16, 2014 18:30

BONELIST

	newid
	4bc749bdf3c50b199945
	4bc749bdf3c50b199945
	4bc749bdf3c50b199945
	4bc749bdf3c50b199945
	4bc749bdf3c50b199945
	4bc749bdf3c50b199945
	4bc749bdf3c50b199945

alexanderhiam / CARD_Preview.html

Created July 16, 2014 18:30

Bone101 Tutorial

Hello, World!

alexanderhiam / CARD_Preview.html

Created July 16, 2014 18:42

Bone101 Tutorial

Test

alexanderhiam / adc-sampling.pruspeak

Created July 18, 2014 14:01

pruspeak shared variable example

	SCRIPT
	SET period_ms, 100 // set inital value
	SET ain_val, AIN[0]
	WAIT period_ms
	GOTO 1
	ENDSCRIPT

	// When it's running you can change the sampling period with:
	SET period_ms, x
	// and get the value with:

alexanderhiam / rs485-ioctl.py

Last active April 23, 2020 20:48

Demonstrating the BeagleBone Black's Kernel driver working in RS485 mode with Michael Musset's gpio RTS patch

	import serial, fcntl, struct, time

	ser = serial.Serial(
	port='/dev/ttyO4',
	baudrate=9600,
	timeout=1,
	parity=serial.PARITY_NONE,
	stopbits=serial.STOPBITS_ONE,
	bytesize=serial.EIGHTBITS
	)

Alex Hiam alexanderhiam

SET