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===================
Offset X-40 Y0 Z-0.2
Inductive Sensor
===================

23:29:44.895 : echo:Marlin1.0.3 dev
23:29:44.898 : echo: Last Updated: Apr  8 2015 23:27:18 | Author: (none, default config)
23:29:44.899 : Compiled: Apr  8 2015
23:29:44.902 : echo: Free Memory: 89172  PlannerBufferBytes: 1344
23:29:45.042 : echo:V19 stored settings retrieved (392 bytes)

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int dt_1 = HEATER_CHECK_INTERVAL; // letztes Zeititervall
unsigned int temp_m1 = 0; // Temperatur bei letzter Messung  
float m_1; // aktuelle Steigung
float m_4; // mittlere Steigung in den letzten Zeitintervallen
unsigned int temp_prog; // Temperaturprognose
int t_tot = 10000; // Totzeit in ms
...
void manage_heater()
{
  dt_1 = millis() - previous_millis_heater; // letztes Zeitintervall merken 

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000802ab W ADC_Handler
         w atexit
20070068 D __bss_end__
20070068 D __bss_start__
0008029f W BusFault_Handler
         w __call_exitprocs
000802ab W CAN0_Handler
000802ab W CAN1_Handler
000802ab W DACC_Handler
20070068 D __data_end__

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# Generic Gen7 configuration.
make -f Makefile-AVR USER_CONFIG=testcases/config.regtest-gen7-avr.h \
	  MCU=atmega644 F_CPU=20000000UL EXTRA_CFLAGS=-Werror all
make[1]: Entering directory `/home/nico/Documents/github/Traumflug/Teacup_Firmware'
mkdir -p build/testcases/config.regtest-gen7-avr
  CC        build/testcases/config.regtest-gen7-avr/analog.o
  CC        build/testcases/config.regtest-gen7-avr/clock.o
  CC        build/testcases/config.regtest-gen7-avr/cmsis-system_lpc11xx.o
  CC        build/testcases/config.regtest-gen7-avr/cmsis-system_stm32f4xx.o
  CC        build/testcases/config.regtest-gen7-avr/cpu-arm.o

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// Thermistor lookup table for RepRap Temperature Sensor Boards (http://reprap.org/wiki/Temperature_Sensor_2_0)
// Made with createTemperatureLookup.py (https://github.com/traumflug/Teacup_Firmware/blob/master/createTemperatureLookup.py)
//           (patched per https://github.com/drf5n/Teacup_Firmware/blob/Gen7/createTemperatureLookup.py)
// default thermistor lookup table
// You may be able to improve the accuracy of this table in various ways.
//   1. Measure the actual resistance of the resistor. It's "nominally" 4.7K, but that's ± 5%.
//   2. Measure the actual beta of your thermistor:http://reprap.org/wiki/MeasuringThermistorBeta
//   3. Generate more table entries than you need, then trim down the ones in uninteresting ranges.
// In either case you'll have to regenerate this table, which requires python, which is difficult to install on windows.
// Since you'll have to do some testing to determine the correct temperature for your application anyway, you

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Source:http://www.verycomputer.com/24_e95a6e361498c566_1.htm

In the 1/sqrt() thread, I made the remark that a square root does take
only 3 cycles per bit. OK, here is the algorithm:

Goal: Calculate root = INT (SQRT (N)), for N = 0 .. 2^32 -1

Idea: Successive approximation of the equation (root + delta) ^ 2 = N until
      delta < 1. If delta < 1 we have the integer part of SQRT (N).
      Use delta = 2^i for i = 15 .. 0.

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#undef HID_ENABLED

// Arduino Due ADC->DMA->USB 1MSPS
// by stimmer
// from http://forum.arduino.cc/index.php?topic=137635.msg1136315#msg1136315
// Input: Analog in A0
// Output: Raw stream of uint16_t in range 0-4095 on Native USB Serial/ACM

// on linux, to stop the OS cooking your data: 
// stty -F /dev/ttyACM0 raw -iexten -echo -echoe -echok -echoctl -echoke -onlcr

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/***************************************************************************\
*                                                                           *
* 1. CPU                                                                    *
*                                                                           *
\***************************************************************************/

/** \def CPU_TYPE
  CPU types a user should be able to choose from in configtool. All
  commented out.

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/***************************************************************************\
*                                                                           *
* 6. MECHANICAL/HARDWARE                                                    *
*                                                                           *
\***************************************************************************/

/** \def KINEMATICS_STRAIGHT KINEMATICS_COREXY

  This defines the type of kinematics your printer uses. That's essential!

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; G-Code generated by Simplify3D(R) Version 3.1.1
; Dec 24, 2016 at 5:20:49 AM
; Settings Summary
;   processName,PLA-NB-Grey-025
;   applyToModels,odile_the_swan
;   profileName,Prusa3-BlackSteel (modified)
;   profileVersion,2015-05-01 08:00:00
;   baseProfile,Prusa Mendel (modified)
;   printMaterial,PLA
;   printQuality,High