projectgus

#include <avr/interrupt.h>

const int pin_rx = 3; // Pin hooked to the output of the CAN transceiver

enum message_state { vacant, loading, ready };

const int ticksPerTs = 132;  // 16Mhz clock / 125Kbps / 8 = 128 ticks/bit
const int timerLoadValue = 257 - ticksPerTs; 
const int oneHalfTimerLoadValue = 257 - (ticksPerTs * 1.25); // Add an extra 1/4TS when we know we're at start of a bit

projectgus

// Big block of macros to access EEPROM data
#include <avr/eeprom.h>
#define eeprom_read_to(dst_p, eeprom_field, dst_size) eeprom_read_block(dst_p, (void *)offsetof(__eeprom_data, eeprom_field), MIN(dst_size, sizeof((__eeprom_data*)0)->eeprom_field))
#define eeprom_read(dst, eeprom_field) eeprom_read_to(&dst, eeprom_field, sizeof(dst))
#define eeprom_write_from(src_p, eeprom_field, src_size) eeprom_write_block(src_p, (void *)offsetof(__eeprom_data, eeprom_field), MIN(src_size, sizeof((__eeprom_data*)0)->eeprom_field))
#define eeprom_write(src, eeprom_field) { typeof(src) x = src; eeprom_write_from(&x, eeprom_field, sizeof(x)); }
#define MIN(x,y) ( x > y ? y : x )
 
#define KEYPAD_SIZE 5

projectgus

scripted as;

sleep 15
ifconfig wlan0 up &
sleep 10
dmesg > after.log
/sbin/poweroff

ie 'ifconfig wlan0 up' is run @ 82

projectgus

#!/usr/bin/env python
import argparse, serial, socket, select

parser = argparse.ArgumentParser(description='Connect to a serial port and allow multiple TCP clients to talk to it (simultaneous output shared between all TCP clients, any client can write to port.)')
parser.add_argument('--baud', help="Baud rate", default=115200, type=int)
parser.add_argument('port', help="Port to listen on.", type=int)
parser.add_argument('serial', help="Serial port to share.")

def main():
    args = parser.parse_args()

projectgus

import epics,gc

name1 = "c1v0:UPTIME"
name2 = "c2v0:UPTIME"
name3 = "c3v0:UPTIME"

def report_usage():
    epics.ca.show_cache()
    # use the gc's debugging features to look for leaked PV objects
    gc.collect()

projectgus

import epics, time
pvname = "c1v0:UPTIME"

def my_callback(value, **kw):
  print value

def setup_callback():
  pv = epics.PV(pvname)
  pv.add_callback(my_callback)

projectgus

/*
  Web Server
 
 A simple web server that sends the contents of "hello.txt" on the SD card
 to any web client that connects.
 
 Modified from the "Ethernet -> WebServer" & "SD -> DumpFile" Arduino examples
 by Angus Gratton <angus@freetronics.com>
 
 */

projectgus

#!/usr/bin/env python3
"""
Digikey order splitter script for group buys. For Python 3.x. Public Domain.

Supports cases where people are paying in a different currency to the Digikey currency,
and also pro rata splitting of shipping costs.

If you use this then please sanity check the results before sending them

Usage:

projectgus

/*
 * SD card CRC32 calculator by Angus Gratton for Freetronics
 *
 * CRC32 implementation based on the implementation in the C SNIPPETS archive
 * http://web.archive.org/web/20080303102524/http://c.snippets.org/snip_lister.php?fname=crc_32.c
 *
 * Original Copyright (C) 1986 Gary S. Brown.  You may use this program, or
 * code or tables extracted from it, as desired without restriction.
 *
 * This version is released with the same lack of restrictions, use however you please.

projectgus

//