moved tuer-rfid to realraum github repo

24 files changed, 0 insertions, 1969 deletions

diff --git a/tuer-rfid/Makefile b/tuer-rfid/Makefile
deleted file mode 100644
index 82a3b87..0000000
--- a/tuer-rfid/Makefile
+++ /dev/null
@@ -1,62 +0,0 @@
-##
-##  spreadspace avr utils
-##
-##
-##  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
-##                     Othmar Gsenger <otti@wirdorange.org>
-##
-##  This file is part of spreadspace avr utils.
-##
-##  spreadspace avr utils is free software: you can redistribute it and/or modify
-##  it under the terms of the GNU General Public License as published by
-##  the Free Software Foundation, either version 3 of the License, or
-##  any later version.
-##
-##  spreadspace avr utils is distributed in the hope that it will be useful,
-##  but WITHOUT ANY WARRANTY; without even the implied warranty of
-##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-##  GNU General Public License for more details.
-##
-##  You should have received a copy of the GNU General Public License
-##  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
-##
-
-NAME := tuer-rfid
-BOARD_TYPE := teenstep
-OBJ := $(NAME).o heartbeat.o stepper.o ledmatrix.o sl018.o keystore.o statemachine.o eventqueue.o limits.o manual.o ajar.o
-LIBS := util led lufa-descriptor-usbserial anyio
-EXTERNAL_LIBS := lufa
-SPREADAVR_PATH := ..
-RESET_FUNC := $(SPREADAVR_PATH)/tools/reset_lufa_cdc
-RESET_PARAM := 'r'
-
-LUFA_PATH := $(SPREADAVR_PATH)/contrib/LUFA-120219
-LUFA_OPTS  = -D USB_DEVICE_ONLY
-LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0
-LUFA_OPTS += -D ORDERED_EP_CONFIG
-LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
-LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
-LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
-LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
-LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
-
-LUFA_OPTS += -D USB_MANUFACTURER="L\"equinox\"" -D USB_MANUFACTURER_LEN=7
-LUFA_OPTS += -D USB_PRODUCT="L\"realraum door firmware\"" -D USB_PRODUCT_LEN=22
-
-LUFA_COMPONENTS := USB USBCLASS TWI SERIAL
-
-CLEAN_TARGETS += clean-pdf clean-update-keys
-
-include $(SPREADAVR_PATH)/include.mk
-
-update-keys: update-keys.c
-	gcc -o $@ $<
-
-clean-update-keys:
-	rm -f update-keys
-
-pdf: statemachine.dot
-	dot -Tpdf statemachine.dot -o statemachine.pdf
-
-clean-pdf:
-	rm -f statemachine.pdf
diff --git a/tuer-rfid/ajar.c b/tuer-rfid/ajar.c
deleted file mode 100644
index 271aeb9..0000000
--- a/tuer-rfid/ajar.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/io.h>
-#include <stdio.h>
-#include "ajar.h"
-
-#define AJAR_PIN PINC
-#define AJAR_PORT PORTC
-#define AJAR_DDR DDRC
-#define AJAR_BIT 7
-
-#define AJAR_LP_MAX 20000
-
-void ajar_init(void)
-{
-  AJAR_DDR = AJAR_DDR & ~(1<<AJAR_BIT);
-  AJAR_PORT |= (1<<AJAR_BIT);
-}
-
-ajar_t ajar_get(void)
-{
-  static uint8_t last_state = (1<<AJAR_BIT);
-  static uint16_t lp_cnt = 0;
-
-  uint8_t state = AJAR_PIN & (1<<AJAR_BIT);
-  if(state != last_state)
-    lp_cnt++;
-  else
-    lp_cnt += lp_cnt ? -1 : 0;
-
-  if(lp_cnt >= AJAR_LP_MAX) {
-    last_state = state;
-    lp_cnt = 0;
-  }
-
-  if(last_state)
-    return ajar;
-  return shut;
-}
-
-const char* ajar_to_string(ajar_t a)
-{
-  return a == ajar ? "ajar" : "shut";
-}
-
-void ajar_task(void)
-{
-  static ajar_t last_state = shut;
-
-  ajar_t state = ajar_get();
-  if(last_state != state)
-    printf("Info(ajar): door is now %s\r\n", ajar_to_string(state));
-
-  last_state = state;
-}
diff --git a/tuer-rfid/ajar.h b/tuer-rfid/ajar.h
deleted file mode 100644
index e4b2d06..0000000
--- a/tuer-rfid/ajar.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_ajar_h_INCLUDED
-#define R3TUER_ajar_h_INCLUDED
-
-typedef enum { ajar, shut } ajar_t;
-
-void ajar_init(void);
-ajar_t ajar_get(void);
-const char* ajar_to_string(ajar_t a);
-void ajar_task(void);
-
-#endif
diff --git a/tuer-rfid/eventqueue.c b/tuer-rfid/eventqueue.c
deleted file mode 100644
index 5841d63..0000000
--- a/tuer-rfid/eventqueue.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "eventqueue.h"
-#include <LUFA/Drivers/Misc/RingBuffer.h>
-
-static RingBuffer_t event_queue;
-static uint8_t event_queue_data[16];
-
-void eventqueue_init(void)
-{
-  RingBuffer_InitBuffer(&event_queue, event_queue_data, sizeof(event_queue_data));
-}
-
-event_t eventqueue_pop(void)
-{
-  if (RingBuffer_IsEmpty(&event_queue))
-    return none;
-  return RingBuffer_Remove(&event_queue);
-}
-
-void eventqueue_push(event_t event)
-{
-  RingBuffer_Insert(&event_queue,event);
-}
-
-const char* event_to_string(event_t event)
-{
-  switch(event) {
-    case none: return "none";
-    case cmd_open: return "cmd_open";
-    case cmd_close: return "cmd_close";
-    case cmd_toggle: return "cmd_toggle";
-    case btn_toggle: return "btn_toggle";
-    case card: return "card";
-    case open_fin: return "open_fin";
-    case close_fin: return "close_fin";
-    case move_timeout: return "move_timeout";
-  }
-  return "invalid"; // gcc - shut the fuck up!!!
-}
diff --git a/tuer-rfid/eventqueue.h b/tuer-rfid/eventqueue.h
deleted file mode 100644
index 3397e63..0000000
--- a/tuer-rfid/eventqueue.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_eventqueue_h_INCLUDED
-#define R3TUER_eventqueue_h_INCLUDED
-
-typedef enum { none, cmd_open, cmd_close, cmd_toggle, btn_toggle, card, close_fin, open_fin, move_timeout } event_t;
-
-void eventqueue_init(void);
-event_t eventqueue_pop(void);
-void eventqueue_push(event_t);
-const char* event_to_string(event_t event);
-
-#endif
diff --git a/tuer-rfid/heartbeat.c b/tuer-rfid/heartbeat.c
deleted file mode 100644
index b656521..0000000
--- a/tuer-rfid/heartbeat.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/sfr_defs.h>
-#include <avr/interrupt.h>
-
-#include "led.h"
-#include "heartbeat.h"
-
-#define HEARTBEAT_DURATION 10 // *10 ms, duration of heartbeat pulse
-#define HEARTBEAT_DELAY 200   // *10 ms, 1/heartbeat-frequency
-uint8_t heartbeat_cnt = 0;
-uint8_t heartbeat_flag;
-
-#define FASTBEAT_PORT PORTD
-#define FASTBEAT_DDR DDRD
-#define FASTBEAT_BIT 5
-
-// while running this gets called every ~10ms
-ISR(TIMER0_COMPA_vect)
-{
-  heartbeat_cnt++;
-  if(heartbeat_cnt == HEARTBEAT_DURATION)
-    heartbeat_flag = 0;
-  else if(heartbeat_cnt >= HEARTBEAT_DELAY) {
-    heartbeat_flag = 1;
-    heartbeat_cnt = 0;
-  }
-}
-
-void heartbeat_init(void)
-{
-  led_off();
-  heartbeat_cnt = 0;
-  heartbeat_flag = 1;
-
-  TCCR0A = 1<<WGM01;           // OC0A and OC0B as normal output, WGM = 2 (CTC)
-  TCCR0B = 1<<CS02 | 1<<CS00;  // Prescaler 1:1024
-  OCR0A = 155;                 // (1+155)*1024 = 159744 -> ~10 ms @ 16 MHz
-  TCNT0 = 0;
-  TIMSK0 = 1<<OCIE0A;
-
-  FASTBEAT_DDR |= 1<<FASTBEAT_BIT;
-}
-
-void heartbeat_task(void)
-{
-  FASTBEAT_PORT ^= 1<<FASTBEAT_BIT;
-
-  if(heartbeat_flag)
-    led_on();
-  else
-    led_off();
-}
diff --git a/tuer-rfid/heartbeat.h b/tuer-rfid/heartbeat.h
deleted file mode 100644
index 692d932..0000000
--- a/tuer-rfid/heartbeat.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_heatbeat_h_INCLUDED
-#define R3TUER_heatbeat_h_INCLUDED
-
-void heartbeat_init(void);
-void heartbeat_task(void);
-
-#endif
diff --git a/tuer-rfid/keystore.c b/tuer-rfid/keystore.c
deleted file mode 100644
index f02f9a2..0000000
--- a/tuer-rfid/keystore.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "keystore.h"
-#include <avr/eeprom.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "led.h"
-#include "anyio.h"
-
-#define EEPROM_SIZE 1024
-typedef uint8_t keyslot_t[8];
-keyslot_t EEMEM keystore[EEPROM_SIZE/sizeof(keyslot_t)];
-
-
-void keystore_flash_from_stdio(void)
-{
-  keyslot_t ks;
-  uint8_t byte_pos=0;
-  printf("Info(keystore): flashing\r\n");
-  fflush(stdout);
-  for(uint8_t ks_pos=0;ks_pos<EEPROM_SIZE/sizeof(ks);) {
-    anyio_task();
-
-    int16_t bytes_received = anyio_bytes_received();
-    while(bytes_received > 0) {
-      ks[byte_pos++]=fgetc(stdin);
-      bytes_received--;
-      if (byte_pos == sizeof(ks)) {
-        byte_pos=0;
-        eeprom_update_block(&ks,&keystore[ks_pos],sizeof(ks));
-        ks_pos++;
-        fputc('.', stdout);
-        fflush(stdout);
-        led_toggle();
-      }
-    }
-  }
-  printf("\r\n");
-  fputc(0, stdout);
-  led_off();
-}
-
-void keystore_dump_to_stdio(void)
-{
-  keyslot_t ks;
-  for(uint8_t ks_pos=0;ks_pos<EEPROM_SIZE/sizeof(ks);ks_pos++) {
-    eeprom_read_block(&ks,&keystore[ks_pos],sizeof(ks));
-    for (uint8_t i=0; i< sizeof(ks); i++)
-      printf("%02X",ks[i]);
-    printf("\r\n");
-  }
-}
-
-/* this generates a Fletcher8 checksum  */
-/* code from: http://stackoverflow.com/questions/13491700/8-bit-fletcher-checksum-of-16-byte-data */
-uint8_t generate_csum(uint8_t* data)
-{
-  uint16_t sum1 = 0xf, sum2 = 0xf, len = sizeof(keyslot_t) - 1;
-  do { sum2 += ( sum1 += *data++ ); } while (--len);
-  return sum2<<4 | sum1;
-}
-
-uint8_t compare_keyslots(const keyslot_t a, const keyslot_t b)
-{
-  uint8_t tmp=0;
-      // constant time compare
-  for(uint8_t i=0; i<sizeof(keyslot_t); ++i)
-    tmp |= a[i] ^ b[i];
-  return tmp;
-}
-
-uint8_t keystore_check_card(const uint8_t * uid, uint8_t uid_len)
-{
-  keyslot_t card, ks;
-  memset(card, 0, sizeof(card));
-  for (uint8_t pos=0; pos<uid_len; pos++)
-    card[pos]=uid[uid_len-pos-1];
-  card[sizeof(keyslot_t)-1]=generate_csum(card);
-  uint8_t valid=0;
-  for(uint8_t ks_pos=0;ks_pos<(EEPROM_SIZE/sizeof(ks));ks_pos++) {
-    eeprom_read_block(&ks,&keystore[ks_pos],sizeof(ks));
-    if(!compare_keyslots(card, ks)) {
-      valid=1;
-      // break;  // this would break security (not constant time)
-    }
-  }
-  return valid;
-}
diff --git a/tuer-rfid/keystore.h b/tuer-rfid/keystore.h
deleted file mode 100644
index 22499dc..0000000
--- a/tuer-rfid/keystore.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_keystore_h_INCLUDED
-#define R3TUER_keystore_h_INCLUDED
-
-#include <stdint.h>
-
-void keystore_flash_from_stdio(void);
-void keystore_dump_to_stdio(void);
-uint8_t keystore_check_card(const uint8_t * uid, uint8_t uid_len);
-
-#endif
diff --git a/tuer-rfid/ledmatrix.c b/tuer-rfid/ledmatrix.c
deleted file mode 100644
index 4cfbcc8..0000000
--- a/tuer-rfid/ledmatrix.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/sfr_defs.h>
-#include <avr/interrupt.h>
-
-#include "ledmatrix.h"
-
-#define LEDMATRIX_PORT PORTB
-#define LEDMATRIX_DDR DDRB
-#define LEDMATRIX_RED 6
-#define LEDMATRIX_GREEN 7
-#define LEDMATRIX_NUM_LEDS 6
-#define LEDMATRIX_MASK 0x3F
-#define BLINK_DELAY 3
-
-ledmatrix_mode_t mode = off;
-uint8_t moving_cnt = 0;
-uint8_t wait_cnt = 0;
-
-void ledmatrix_start_timer(void)
-{
-  TCCR3A = 0;                             // prescaler 1:1024, WGM = 4 (CTC)
-  TCCR3B = 1<<WGM32 | 1<<CS32 | 1<<CS30;  //
-  OCR3A = 1561;                           // (1+1561)*1024 = 1599488 -> ~100 ms @ 16 MHz
-  TCNT3 = 0;
-  TIMSK3 = 1<<OCIE3A;
-}
-
-void ledmatrix_stop_timer(void)
-{
-  TCCR3B = 0;
-  TIMSK3 = 0;
-}
-
-void ledmatrix_off_init(void)
-{
-  LEDMATRIX_PORT = LEDMATRIX_MASK;
-  LEDMATRIX_PORT |= 1<<LEDMATRIX_RED | 1<<LEDMATRIX_GREEN;
-}
-
-
-void ledmatrix_red_init(void)
-{
-  LEDMATRIX_PORT = LEDMATRIX_MASK | 1<<LEDMATRIX_GREEN;
-  LEDMATRIX_PORT &= ~(1<<LEDMATRIX_RED);
-}
-
-
-void ledmatrix_red_moving_init(void)
-{
-  moving_cnt = 0;
-  LEDMATRIX_PORT = (1<<LEDMATRIX_GREEN) | (LEDMATRIX_MASK & (1<<moving_cnt));
-  ledmatrix_start_timer();
-}
-
-void ledmatrix_red_moving_handle(void)
-{
-  moving_cnt++;
-  if(moving_cnt >= LEDMATRIX_NUM_LEDS)
-    moving_cnt = 0;
-  LEDMATRIX_PORT = (1<<LEDMATRIX_GREEN) | (LEDMATRIX_MASK & (1<<moving_cnt));
-}
-
-
-void ledmatrix_red_blink_init(void)
-{
-  wait_cnt = 0;
-  ledmatrix_red_init();
-  ledmatrix_start_timer();
-}
-
-void ledmatrix_red_blink_handle(void)
-{
-  if(++wait_cnt >= BLINK_DELAY) {
-    LEDMATRIX_PORT ^= 1<<LEDMATRIX_RED;
-    wait_cnt = 0;
-  }
-}
-
-
-void ledmatrix_green_init(void)
-{
-  LEDMATRIX_PORT = LEDMATRIX_MASK | 1<<LEDMATRIX_RED;
-  LEDMATRIX_PORT &= ~(1<<LEDMATRIX_GREEN);
-}
-
-
-void ledmatrix_green_moving_init(void)
-{
-  moving_cnt = 0;
-  LEDMATRIX_PORT = (1<<LEDMATRIX_RED) | (LEDMATRIX_MASK & (1<<(LEDMATRIX_NUM_LEDS - moving_cnt - 1)));
-  ledmatrix_start_timer();
-}
-
-void ledmatrix_green_moving_handle(void)
-{
-  moving_cnt++;
-  if(moving_cnt >= LEDMATRIX_NUM_LEDS)
-    moving_cnt = 0;
-  LEDMATRIX_PORT = (1<<LEDMATRIX_RED) | (LEDMATRIX_MASK & (1<<(LEDMATRIX_NUM_LEDS - moving_cnt - 1)));
-}
-
-
-void ledmatrix_green_blink_init(void)
-{
-  wait_cnt = 0;
-  ledmatrix_green_init();
-  ledmatrix_start_timer();
-}
-
-void ledmatrix_green_blink_handle(void)
-{
-  if(++wait_cnt >= BLINK_DELAY) {
-    LEDMATRIX_PORT ^= 1<<LEDMATRIX_GREEN;
-    wait_cnt = 0;
-  }
-}
-
-
-void ledmatrix_rg_moving_init(void)
-{
-  moving_cnt = 0;
-  LEDMATRIX_PORT = (1<<LEDMATRIX_GREEN) | (LEDMATRIX_MASK & (1<<moving_cnt));
-  ledmatrix_start_timer();
-}
-
-void ledmatrix_rg_moving_handle(void)
-{
-  moving_cnt++;
-  if(moving_cnt >= 2*LEDMATRIX_NUM_LEDS)
-    moving_cnt = 0;
-
-  if(moving_cnt >= LEDMATRIX_NUM_LEDS) {
-    uint8_t offset = moving_cnt - LEDMATRIX_NUM_LEDS;
-    LEDMATRIX_PORT = (1<<LEDMATRIX_RED) | (LEDMATRIX_MASK & (1<<(LEDMATRIX_NUM_LEDS - offset - 1)));
-  } else {
-    LEDMATRIX_PORT = (1<<LEDMATRIX_GREEN) | (LEDMATRIX_MASK & (1<<moving_cnt));
-  }
-}
-
-
-void ledmatrix_rg_blink_init(void)
-{
-  wait_cnt = 0;
-  ledmatrix_red_init();
-  ledmatrix_start_timer();
-}
-
-void ledmatrix_rg_blink_handle(void)
-{
-  if(++wait_cnt >= BLINK_DELAY) {
-    LEDMATRIX_PORT ^= ~(LEDMATRIX_MASK);
-    wait_cnt = 0;
-  }
-}
-
-
-void ledmatrix_init(void)
-{
-  LEDMATRIX_DDR = 0xFF;
-  LEDMATRIX_PORT = 0xFF;
-}
-
-void ledmatrix_set(ledmatrix_mode_t m)
-{
-  if(m == mode)
-    return;
-
-  mode = m;
-  ledmatrix_stop_timer();
-  switch(mode)
-  {
-  case off: ledmatrix_off_init(); break;
-  case red: ledmatrix_red_init(); break;
-  case red_moving: ledmatrix_red_moving_init(); break;
-  case red_blink: ledmatrix_red_blink_init(); break;
-  case green: ledmatrix_green_init(); break;
-  case green_moving: ledmatrix_green_moving_init(); break;
-  case green_blink: ledmatrix_green_blink_init(); break;
-  case rg_moving: ledmatrix_rg_moving_init(); break;
-  case rg_blink: ledmatrix_rg_blink_init(); break;
-  }
-}
-
-ISR(TIMER3_COMPA_vect)
-{
-  switch(mode)
-  {
-  case red_moving: ledmatrix_red_moving_handle(); break;
-  case red_blink: ledmatrix_red_blink_handle(); break;
-  case green_moving: ledmatrix_green_moving_handle(); break;
-  case green_blink: ledmatrix_green_blink_handle(); break;
-  case rg_moving: ledmatrix_rg_moving_handle(); break;
-  case rg_blink: ledmatrix_rg_blink_handle(); break;
-  default: break;
-  }
-}
diff --git a/tuer-rfid/ledmatrix.h b/tuer-rfid/ledmatrix.h
deleted file mode 100644
index 3be7f0f..0000000
--- a/tuer-rfid/ledmatrix.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_ledmatrix_h_INCLUDED
-#define R3TUER_ledmatrix_h_INCLUDED
-
-typedef enum { off, red, red_moving, red_blink,
-               green, green_moving, green_blink, 
-               rg_moving, rg_blink } ledmatrix_mode_t;
-
-void ledmatrix_init(void);
-void ledmatrix_set(ledmatrix_mode_t mode);
-
-#endif
diff --git a/tuer-rfid/limits.c b/tuer-rfid/limits.c
deleted file mode 100644
index 28c30ca..0000000
--- a/tuer-rfid/limits.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/io.h>
-#include "limits.h"
-#include <LUFA/Drivers/Peripheral/ADC.h>
-
-#define LIMITS_ADC_CHAN_NUM 8
-#define LIMITS_ADC_CHAN ADC_CHANNEL8
-
-#define LIMITS_RINGBUF_SIZE 5
-/* HINT: this is compared to a sliding sum not an average! */
-#define LIMITS_TH_CLOSE 800
-#define LIMITS_TH_OPEN 2700
-
-void limits_init(void)
-{
-  ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_128);
-  ADC_SetupChannel(LIMITS_ADC_CHAN_NUM);
-  ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | LIMITS_ADC_CHAN);
-}
-
-static uint16_t sum = 0;
-
-void limits_task(void)
-{
-  static uint16_t r[LIMITS_RINGBUF_SIZE] = { 0 };
-  static uint8_t idx = 0;
-
-  if(ADC_IsReadingComplete()) {
-    r[idx] = ADC_GetResult();
-    idx = (idx + 1) % LIMITS_RINGBUF_SIZE;
-    cli();
-    sum = 0;
-    uint8_t i;
-    for(i=0; i<LIMITS_RINGBUF_SIZE; ++i) sum += r[i];
-    sei();
-  }
-}
-
-limits_t limits_get(void)
-{
-  if(sum < LIMITS_TH_CLOSE)
-    return close;
-
-  if(sum < LIMITS_TH_OPEN)
-   return moving;
-
-  return open;
-}
-
-const char* limits_to_string(limits_t limits)
-{
-  switch(limits) {
-    case moving: return "...";
-    case open: return "opened";
-    case close: return "closed";
-    case both: return "error";
-  }
-  return "invalid"; // gcc - shut the fuck up!!!
-}
diff --git a/tuer-rfid/limits.h b/tuer-rfid/limits.h
deleted file mode 100644
index 9ea11f9..0000000
--- a/tuer-rfid/limits.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_limits_h_INCLUDED
-#define R3TUER_limits_h_INCLUDED
-
-typedef enum { moving, open, close, both } limits_t;
-
-void limits_init(void);
-void limits_task(void);
-limits_t limits_get(void);
-const char* limits_to_string(limits_t limits);
-
-#endif
diff --git a/tuer-rfid/manual.c b/tuer-rfid/manual.c
deleted file mode 100644
index 6d338ba..0000000
--- a/tuer-rfid/manual.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/io.h>
-#include <stdio.h>
-#include "manual.h"
-#include "eventqueue.h"
-
-#define MANUAL_PIN PIND
-#define MANUAL_PORT PORTD
-#define MANUAL_DDR DDRD
-#define MANUAL_BIT 7
-
-#define MANUAL_LP_MAX 255
-
-void manual_init(void)
-{
-  MANUAL_DDR = MANUAL_DDR & ~(1<<MANUAL_BIT);
-  MANUAL_PORT |= (1<<MANUAL_BIT);
-}
-
-void manual_task(void)
-{
-  static uint8_t last_state = (1<<MANUAL_BIT);
-  static uint8_t lp_cnt = 0;
-
-  uint8_t state = MANUAL_PIN & (1<<MANUAL_BIT);
-  if(state != last_state)
-    lp_cnt++;
-  else
-    lp_cnt += lp_cnt ? -1 : 0;
-
-  if(lp_cnt >= MANUAL_LP_MAX) {
-    if(!state) {
-      eventqueue_push(btn_toggle);
-      printf("Info(manual): manual button has been pressed\r\n");
-    }
-    last_state = state;
-    lp_cnt = 0;
-  }
-}
diff --git a/tuer-rfid/manual.h b/tuer-rfid/manual.h
deleted file mode 100644
index 13cf2be..0000000
--- a/tuer-rfid/manual.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_manual_h_INCLUDED
-#define R3TUER_manual_h_INCLUDED
-
-void manual_init(void);
-void manual_task(void);
-
-#endif
diff --git a/tuer-rfid/sl018.c b/tuer-rfid/sl018.c
deleted file mode 100644
index 9ef90f5..0000000
--- a/tuer-rfid/sl018.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "sl018.h"
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include <stdio.h>
-#include <util/delay.h>
-
-#define SL018_TWI_ADDR  0xA0
-#define SL018_TAG_STA_PIN PINE
-#define SL018_TAG_STA_BIT 6
-#define CARD_PRESENT (!((SL018_TAG_STA_PIN >> SL018_TAG_STA_BIT) & 1))
-#define MAX_UID_LEN 7
-
-
-const char* SL018_cmd_tostring(const uint8_t cmd)
-{
-  switch(cmd) {
-  case 0x01: return "Select Mifare card";
-  case 0x02: return "Login to a sector";
-  case 0x03: return "Read a data block";
-  case 0x04: return "Write a data block";
-  case 0x05: return "Read a value block";
-  case 0x06: return "Initialize a value block";
-  case 0x07: return "Write master key";
-  case 0x08: return "Increment value";
-  case 0x09: return "Decrement value";
-  case 0x0A: return "Copy value";
-  case 0x10: return "Read a data page";
-  case 0x11: return "Write a data page";
-  case 0x40: return "Control the red led";
-  case 0xF0: return "Get firmware version";
-  case 0xFF: return "Reset";
-  default: return "unknown";
-  }
-}
-
-const char* SL018_status_tostring(const uint8_t status)
-{
-  switch(status) {
-  case 0x0: return "Operation succeed";
-  case 0x1: return "No tag";
-  case 0x2: return "Login succeed";
-  case 0x3: return "Login fail";
-  case 0x4: return "Read fail";
-  case 0x5: return "Write fail";
-  case 0x6: return "Unable to read after write";
-  case 0xA: return "Collision occur";
-  case 0xC: return "Load key fail";
-  case 0xD: return "Not authenticate";
-  case 0xE: return "Not a value block";
-  default: return "unknown";
-  }
-}
-
-const char* SL018_tagtype_tostring(const uint8_t type)
-{
-  switch(type) {
-  case 0x1: return "Mifare 1k, 4 byte UID";
-  case 0x2: return "Mifare 1k, 7 byte UID";
-  case 0x3: return "Mifare Ultralight or NATG203, 7 byte UID";
-  case 0x4: return "Mifare 4k, 4 byte UID";
-  case 0x5: return "Mifare 4k, 7 byte UID";
-  case 0x6: return "Mifare DesFire, 7 byte UID";
-  default: return "unknown";
-  }
-}
-
-uint8_t SL018_tagtype_to_uidlen(const uint8_t type)
-{
-  switch(type) {
-  case 0x1:
-  case 0x4: return 4;
-  case 0x2:
-  case 0x3:
-  case 0x5:
-  case 0x6: return 7;
-  default: return 0;
-  }
-}
-
-const uint8_t SL018_CMD_ComSelectCard[]         = {1,0x01};
-const uint8_t SL018_CMD_ComRedLedOn[]           = {2,0x40,1};
-const uint8_t SL018_CMD_ComRedLedOff[]          = {2,0x40,0};
-const uint8_t SL018_CMD_ComGetFirmwareVersion[] = {1,0xF0};
-const uint8_t SL018_CMD_ComReset[]              = {1,0xFF};
-
-uint8_t twi_recv_buf[256];
-typedef struct __attribute__((__packed__))
-{
-  uint8_t len;
-  uint8_t command;
-  uint8_t status;
-  uint8_t data[sizeof(twi_recv_buf)-3];
-} sl018_message_t;
-
-sl018_message_t* twi_recv_msg = (sl018_message_t *)&twi_recv_buf;
-
-
-uint8_t sl018_cmd_raw(const uint8_t* twi_send_buf, bool wait_for_answer)
-{
-  uint8_t pos = 0;
-
-  if (TWI_StartTransmission(SL018_TWI_ADDR | TWI_ADDRESS_WRITE,10) == TWI_ERROR_NoError) {
-    for(pos=0; pos<=twi_send_buf[0]; pos++) {
-      if( ! TWI_SendByte(twi_send_buf[pos])) {
-        TWI_StopTransmission();
-        return 1;
-      }
-    }
-    TWI_StopTransmission();
-  } else
-    return 1;
-
-  if(!wait_for_answer) return 0;
-
-  memset(twi_recv_buf, 0, sizeof(twi_recv_buf));
-  _delay_ms(50);
-
-  if (TWI_StartTransmission(SL018_TWI_ADDR | TWI_ADDRESS_READ,10) == TWI_ERROR_NoError) {
-    TWI_ReceiveByte(twi_recv_buf, 0);
-    for(pos=1; pos<=twi_recv_buf[0]; pos++) {
-      if (! TWI_ReceiveByte(&twi_recv_buf[pos], (pos == twi_recv_buf[0]) ? 1:0 ) ) {
-        TWI_StopTransmission();
-        return 1;
-      }
-    }
-    TWI_StopTransmission();
-  } else
-    return 1;
-
-  return 0;
-}
-
-uint8_t sl018_reset(void)
-{
-  if(sl018_cmd_raw(SL018_CMD_ComReset, 0)) {
-    printf("Error(i2c): bus error\r\n");
-    return 1;
-  }
-  return 0;
-}
-
-uint8_t sl018_cmd(const uint8_t* twi_send_buf)
-{
-  if(sl018_cmd_raw(twi_send_buf, 1)) {
-    printf("Error(i2c): bus error\r\n");
-    return 1;
-  } else {
-    if(twi_recv_msg->len < 2) {
-      printf("Error(SL018): short message received\r\n");
-      return 1;
-    }
-    if(twi_recv_msg->status) {
-      printf("Error(SL018): '%s','%s'\r\n",SL018_cmd_tostring(twi_recv_msg->command),SL018_status_tostring(twi_recv_msg->status));
-      return 1;
-    }
-    sl018_message_t * twi_send_msg = (sl018_message_t *)twi_send_buf;
-    if(twi_send_msg->command != twi_recv_msg->command) {
-      printf("Error(SL018): mismatch of sent and received command code: %02X,%02X\r\n",twi_send_msg->command,twi_recv_msg->command);
-    }
-  }
-  return 0;
-}
-
-void sl018_read_card_uid(uid_t * uid)
-{
-  uid->length=0;
-  uid->buffer=NULL;
-  printf( "Info(card): ");
-  if(!sl018_cmd(SL018_CMD_ComSelectCard))
-  {
-    uint8_t uid_len = twi_recv_msg->len - sizeof(twi_recv_msg->command) - sizeof(twi_recv_msg->status) - 1;
-    if(uid_len == 255 || uid_len > MAX_UID_LEN) {
-      printf(" received UID length (%d) is to big for keystore \r\n", uid_len);
-      return;
-    }
-    uint8_t type = twi_recv_msg->data[uid_len];
-    uint8_t expected_uid_len = SL018_tagtype_to_uidlen(type);
-    if(expected_uid_len != uid_len) {
-      printf(" Invalid uid length (%d) for tag type: %s\r\n", uid_len, SL018_tagtype_tostring(type));
-      return;
-    }
-
-    for (uint8_t pos=0; pos<uid_len; pos++)
-      printf("%02X",twi_recv_msg->data[uid_len-pos-1]);
-    printf( ", %s\r\n", SL018_tagtype_tostring(type));
-
-    if (0 < type && type < 7) {
-      uid->length= uid_len;
-      uid->buffer=twi_recv_msg->data;
-    } else {
-      printf("Info(card): Ignoring unknown card type %02x\r\n",type);
-    }
-  }
-}
-
-void sl018_set_led(uint8_t on)
-{
-  if(on)
-   sl018_cmd(SL018_CMD_ComRedLedOn);
-  else
-   sl018_cmd(SL018_CMD_ComRedLedOff);
-}
-
-uint8_t sl018_check_for_new_card(void)
-{
-  static uint8_t card_status = 0;
-  if(CARD_PRESENT != card_status) {
-    card_status = CARD_PRESENT;
-    if(card_status)
-      return 1;
-  }
-  return 0;
-}
-
-unsigned char * sl018_get_firmware_version(void)
-{
-  if(!sl018_cmd(SL018_CMD_ComGetFirmwareVersion)) {
-   twi_recv_msg->data[sizeof(twi_recv_msg->data) - 1] = 0;
-   return twi_recv_msg->data;
-  } else {
-    return NULL;
-  }
-}
diff --git a/tuer-rfid/sl018.h b/tuer-rfid/sl018.h
deleted file mode 100644
index ca7df4b..0000000
--- a/tuer-rfid/sl018.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_sl018_h_INCLUDED
-#define R3TUER_sl018_h_INCLUDED
-
-#include <stdint.h>
-
-typedef struct {
-  uint8_t length;
-  unsigned char * buffer;
-} uid_t;
-
-void sl018_set_led(uint8_t on);
-uint8_t sl018_check_for_new_card(void);
-void sl018_read_card_uid(uid_t * uid);
-uint8_t sl018_reset(void);
-unsigned char * sl018_get_firmware_version(void);
-
-#endif
diff --git a/tuer-rfid/statemachine.c b/tuer-rfid/statemachine.c
deleted file mode 100644
index ce54cc0..0000000
--- a/tuer-rfid/statemachine.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include "statemachine.h"
-#include "stepper.h"
-#include "eventqueue.h"
-#include "limits.h"
-#include "ledmatrix.h"
-#include <stdio.h>
-
-typedef enum {reset, closed, closing, opened, opening, timeout_after_open, timeout_after_close, error, manual_movement} state_t;
-state_t state = reset;
-
-const char* state_to_string(state_t s)
-{
-  switch(s) {
-    case reset: return "reset";
-    case error: return "error";
-    case closing: return "closing";
-    case opening: return "opening";
-    case manual_movement: return "manual_movement";
-    case timeout_after_open: return "timeout_after_open";
-    case timeout_after_close: return "timeout_after_close";
-    case closed: return "closed";
-    case opened: return "opened";
-  }
-  return "invalid"; // gcc - shut the fuck up!!!
-}
-
-void change_state(state_t new_state)
-{
-  if (new_state == state)
-    return;
-  printf("State: %s\r\n", state_to_string(new_state));
-  switch(new_state) {
-    case reset:
-      break;
-    case closed: ledmatrix_set(red); break;
-    case closing:
-      ledmatrix_set(red_moving);
-      stepper_start(dir_close);
-      break;
-    case opened: ledmatrix_set(green); break;
-    case opening:
-      ledmatrix_set(green_moving);
-      stepper_start(dir_open);
-      break;
-    case timeout_after_open: ledmatrix_set(green_blink); break;
-    case timeout_after_close: ledmatrix_set(red_blink); break;
-    case error: ledmatrix_set(rg_blink); break;
-    case manual_movement: ledmatrix_set(rg_moving); break;
-      break;
-  }
-  state = new_state;
-}
-
-void statemachine_task_limits(void)
-{
-  limits_t limits = limits_get();
-  if (limits == both)
-    return change_state(error);
-
-  switch(state) {
-    case reset:
-      switch(limits) {
-        case open:
-          return change_state(opened);
-        case close:
-          return change_state(closed);
-        default:
-          return change_state(closing);
-      }
-    case error:
-    case closed:
-    case opened:
-      switch(limits) {
-        case open:
-          return change_state(opened);
-        case close:
-          return change_state(closed);
-        default:
-          return change_state(manual_movement);
-      }
-    case manual_movement:
-    case timeout_after_open:
-    case timeout_after_close:
-      switch(limits) {
-        case open:
-          return change_state(opened);
-        case close:
-          return change_state(closed);
-        default:
-          return;
-      }
-    case closing:
-      break;
-    case opening:
-      break;
-  }
-}
-
-void statemachine_task_event(void)
-{
-  event_t event = eventqueue_pop();
-  if(event == none)
-    return;
-
-  switch(state) {
-    case closing:
-    case opening:
-      switch(event) {
-        case open_fin:
-          return change_state(opened);
-        case close_fin:
-          return change_state(closed);
-        case move_timeout:
-          return change_state(state==opening?timeout_after_open:timeout_after_close);
-        default:
-          printf("Error(state): event %s not allowed in state %s\r\n", event_to_string(event), state_to_string(state));
-          return;
-      }
-    case reset:
-    case error:
-      printf("Error(state): Not accepting commands in state %s\r\n", state_to_string(state));
-      break; // Not accepting commands
-    case manual_movement:
-    case timeout_after_open:
-    case timeout_after_close:
-    case closed:
-    case opened:
-      switch(event) {
-        case none:
-          return;
-        case cmd_open:
-          return change_state(opening);
-        case cmd_close:
-          return change_state(closing);
-        case cmd_toggle:
-        case btn_toggle:
-        case card:
-          return change_state(
-            (state==closed || state == timeout_after_close) ?
-              opening:
-              closing);
-        case open_fin:
-        case close_fin:
-        case move_timeout:
-          printf("Error(state): event %s not allowed in state %s\r\n", event_to_string(event), state_to_string(state));
-          return;
-      }
-  }
-
-}
-
-void statemachine_task(void)
-{
-  statemachine_task_limits();
-  statemachine_task_event();
-}
-
-const char* statemachine_get_state_as_string(void)
-{
-  return state_to_string(state);
-}
diff --git a/tuer-rfid/statemachine.dot b/tuer-rfid/statemachine.dot
deleted file mode 100644
index d581de8..0000000
--- a/tuer-rfid/statemachine.dot
+++ /dev/null
@@ -1,45 +0,0 @@
-digraph G {
-  reset [shape=box];
-  toggle [shape=diamond];
-  btn_toggle [shape=diamond];
-  cmd_toggle [shape=diamond];
-  card [shape=diamond];
-  card ->toggle;
-  btn_toggle ->toggle;
-  cmd_toggle ->toggle;
-  all_states [shape=box];
-  opened [shape=box];
-  closed [shape=box];
-  opening [shape=box];
-  closing [shape=box];
-  timeout_after_open [shape=box];
-  timeout_after_close [shape=box];
-  manual_movement [shape=box];
-  error [shape=box];
-  reset -> closed [label="limit_closed"];
-  reset -> closing [label="limit_none"];
-  reset -> opened [label="limit_opened"];
-  error -> closed [label="limit_closed"];
-  error -> opened [label="limit_opened"];
-  error -> manual_movement [label="limit_none"];
-  manual_movement -> opening [label="cmd_open"]; 
-  manual_movement -> closing [label="cmd_close"]; 
-  manual_movement -> closing [label="toggle"]; 
-  opened -> closing [label="cmd_close"]; 
-  opened -> closing [label="toggle"]; 
-  closed -> opening [label="cmd_open"]; 
-  closed -> opening [label="toggle"]; 
-  opening -> opened [label="open_fin"];
-  closing -> closed [label="close_fin"];
-  closing -> timeout_after_close [label="timeout"];
-  opening -> timeout_after_open [label="timeout"];
-  timeout_after_open -> closing [label="cmd_close"]; 
-  timeout_after_open -> closing [label="toggle"]; 
-  timeout_after_open -> opened [label="limit_open"]; 
-  timeout_after_open -> closed [label="limit_close"]; 
-  timeout_after_close -> opening [label="cmd_open"]; 
-  timeout_after_close -> opening [label="toggle"]; 
-  timeout_after_close -> opened [label="limit_open"]; 
-  timeout_after_close -> closed [label="limit_close"]; 
-  all_states -> error [label="limit_both"]; 
-}
diff --git a/tuer-rfid/statemachine.h b/tuer-rfid/statemachine.h
deleted file mode 100644
index c02a6d4..0000000
--- a/tuer-rfid/statemachine.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_statemachine_h_INCLUDED
-#define R3TUER_statemachine_h_INCLUDED
-
-void statemachine_task(void);
-const char* statemachine_get_state_as_string(void);
-
-#endif
diff --git a/tuer-rfid/stepper.c b/tuer-rfid/stepper.c
deleted file mode 100644
index b477419..0000000
--- a/tuer-rfid/stepper.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/sfr_defs.h>
-#include <avr/interrupt.h>
-
-#include "stepper.h"
-#include "limits.h"
-#include "eventqueue.h"
-
-uint8_t step_table [] =
-{
-    /* full steps */
-  /* 6,  // 0110 */
-  /* 5,  // 0101 */
-  /* 9,  // 1001 */
-  /* 10, // 1010 */
-
-    /* half steps */
-  2,  // 0010
-  6,  // 0110
-  4,  // 0100
-  5,  // 0101
-  1,  // 0001
-  9,  // 1001
-  8,  // 1000
-  10, // 1010
-};
-
-#define STEPPER_PORT PORTF
-#define STEPPER_DDR DDRF
-#define STEPPER_FIRST_BIT 4
-#define STEPPER_ENABLE_A_BIT 0
-#define STEPPER_ENABLE_B_BIT 1
-#define LENGTH_STEP_TABLE (sizeof(step_table)/sizeof(uint8_t))
-#define STEPPER_OUTPUT_BITMASK (~(0xF << STEPPER_FIRST_BIT ))
-
-volatile uint16_t step_cnt = 0;
-#define STEP_CNT_STOP (LENGTH_STEP_TABLE*172)
-#define STEP_CNT_STOP_PLUS_EXTRA  (STEP_CNT_STOP + (LENGTH_STEP_TABLE*20))
-stepper_direction_t step_direction = dir_open;
-
-inline void stepper_stop(void)
-{
-  STEPPER_PORT &= ~(0xF << STEPPER_FIRST_BIT | 1<<STEPPER_ENABLE_A_BIT | 1<<STEPPER_ENABLE_B_BIT);
-  TCCR1B = 0; // no clock source
-  TIMSK1 = 0; // disable timer interrupt
-
-  if(step_direction == dir_open)
-    eventqueue_push(open_fin);
-  else
-    eventqueue_push(close_fin);
-}
-
-static inline uint8_t stepper_handle(void)
-{
-  static uint8_t step_idx = 0;
-
-  uint8_t stepper_output = step_table[step_idx];
-  stepper_output <<= STEPPER_FIRST_BIT;
-  STEPPER_PORT = (STEPPER_PORT & STEPPER_OUTPUT_BITMASK ) | stepper_output;
-  step_idx += (step_direction == dir_open) ? 1 : -1;
-  step_idx %= LENGTH_STEP_TABLE;
-
-  if(step_cnt < STEP_CNT_STOP) {
-    limits_t l = limits_get();
-    if((step_direction == dir_open && l == open) ||
-       (step_direction == dir_close && l == close) || l == both)
-      step_cnt = STEP_CNT_STOP + 1;
-
-  } else if(step_cnt == STEP_CNT_STOP) {
-    eventqueue_push(move_timeout);
-    return 0; //stop
-  }
-
-  step_cnt++;
-  if(step_cnt >= STEP_CNT_STOP_PLUS_EXTRA)
-    return 0; //stop
-
-  return 1; // continue running
-}
-
-void stepper_init(void)
-{
-  STEPPER_PORT &= ~(0xF << STEPPER_FIRST_BIT | 1<<STEPPER_ENABLE_A_BIT | 1<<STEPPER_ENABLE_B_BIT);
-  STEPPER_DDR |= (0xF << STEPPER_FIRST_BIT) | (1<<STEPPER_ENABLE_A_BIT) | (1<<STEPPER_ENABLE_B_BIT);
-}
-
-uint8_t stepper_start(stepper_direction_t direction)
-{
-  step_cnt = 0;
-  step_direction = direction;
-  STEPPER_PORT |= (1<<STEPPER_ENABLE_A_BIT) | (1<<STEPPER_ENABLE_B_BIT);
-  TCCR1A = 0;                    // prescaler 1:256, WGM = 4 (CTC)
-  TCCR1B = 1<<WGM12 | 1<<CS12;   //
-  OCR1A = 150;
-  TCNT1 = 0;
-  TIMSK1 = 1<<OCIE1A;
-
-  return 1;
-}
-
-ISR(TIMER1_COMPA_vect)
-{
-  if(!stepper_handle())
-    stepper_stop();
-}
diff --git a/tuer-rfid/stepper.h b/tuer-rfid/stepper.h
deleted file mode 100644
index 33fe27a..0000000
--- a/tuer-rfid/stepper.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef R3TUER_stepper_h_INCLUDED
-#define R3TUER_stepper_h_INCLUDED
-#include <stdint.h>
-typedef enum { dir_open = 0, dir_close = 1 } stepper_direction_t;
-
-void stepper_init(void);
-uint8_t stepper_start(stepper_direction_t direction);
-
-#endif
diff --git a/tuer-rfid/tuer-rfid.c b/tuer-rfid/tuer-rfid.c
deleted file mode 100644
index 1c540cd..0000000
--- a/tuer-rfid/tuer-rfid.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *                     Othmar Gsenger <otti@wirdorange.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <avr/power.h>
-#include "LUFA/Drivers/Peripheral/TWI.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include "util.h"
-#include "led.h"
-#include "anyio.h"
-
-#include "heartbeat.h"
-#include "stepper.h"
-#include "ledmatrix.h"
-#include "sl018.h"
-#include "keystore.h"
-#include "statemachine.h"
-#include "eventqueue.h"
-#include "limits.h"
-#include "manual.h"
-#include "ajar.h"
-
-void handle_cmd(uint8_t cmd)
-{
-  switch(cmd) {
-    case 'r':
-             reset2bootloader();
-             break;
-    case 'R':
-             if(!sl018_reset())
-               printf("ok\r\n");
-             break;
-    case 'f': {
-                unsigned char * firmware_str = sl018_get_firmware_version();
-                if(firmware_str)
-                  printf("%s\r\n",firmware_str);
-
-                break;
-              }
-    case 'e': //flash eeprom
-             keystore_flash_from_stdio();
-             break;
-    case 'd': //dump eeprom - this breaks security!
-             keystore_dump_to_stdio();
-             break;
-    case 'o':
-             eventqueue_push(cmd_open);
-             break;
-    case 'c':
-             eventqueue_push(cmd_close);
-             break;
-    case 't':
-             eventqueue_push(cmd_toggle);
-             break;
-    case 's':
-             printf("Status: %s %s %s\r\n", limits_to_string(limits_get()), statemachine_get_state_as_string(), ajar_to_string(ajar_get()));
-             break;
-    /* case '0': ledmatrix_set(off); break; */
-    /* case '1': ledmatrix_set(red); break; */
-    /* case '2': ledmatrix_set(red_moving); break; */
-    /* case '3': ledmatrix_set(red_blink); break; */
-    /* case '4': ledmatrix_set(green); break; */
-    /* case '5': ledmatrix_set(green_moving); break; */
-    /* case '6': ledmatrix_set(green_blink); break; */
-    /* case '7': ledmatrix_set(rg_moving); break; */
-    /* case '8': ledmatrix_set(rg_blink); break; */
-    default: printf("Error(cmd): unknown command %02X '%c'\r\n", cmd, cmd); return;
-  }
-}
-
-void handle_card(void)
-{
-  uid_t uid;
-  sl018_read_card_uid(&uid);
-  if (uid.length)
-  {
-    printf("Info(card): card(");
-    for (uint8_t pos=0; pos<uid.length; pos++)
-      printf("%02X",uid.buffer[uid.length-pos-1]);
-    printf(") ");
-
-    if(keystore_check_card(uid.buffer,uid.length)) {
-      printf("found - opening/closing door\r\n");
-      eventqueue_push(card);
-    } else {
-      printf("not found - ignoring\r\n");
-    }
-  }
-}
-
-int main(void)
-{
-  MCUSR &= ~(1 << WDRF);
-  wdt_disable();
-
-  cpu_init();
-  jtag_disable();
-  led_init();
-  anyio_init(115200, false);
-  TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
-
-  heartbeat_init();
-  stepper_init();
-  ledmatrix_init();
-  eventqueue_init();
-  limits_init();
-  manual_init();
-  ajar_init();
-  sei();
-
-  sl018_reset();
-
-  for(;;) {
-    statemachine_task();
-
-    anyio_task();
-    manual_task();
-    ajar_task();
-    limits_task();
-
-    int16_t bytes_received = anyio_bytes_received();
-    if(bytes_received > 0)
-      handle_cmd(fgetc(stdin));
-
-    if (sl018_check_for_new_card())
-      handle_card();
-
-    heartbeat_task();
-  }
-}
diff --git a/tuer-rfid/update-keys.c b/tuer-rfid/update-keys.c
deleted file mode 100644
index a47e075..0000000
--- a/tuer-rfid/update-keys.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- *  spreadspace avr utils
- *
- *
- *  Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
- *
- *  This file is part of spreadspace avr utils.
- *
- *  spreadspace avr utils is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  any later version.
- *
- *  spreadspace avr utils is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdint.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <termios.h>
-
-#define EEPROM_SIZE 1024
-typedef uint8_t keyslot_t[8];
-
-/* this generates a Fletcher8 checksum  */
-/* code from: http://stackoverflow.com/questions/13491700/8-bit-fletcher-checksum-of-16-byte-data */
-uint8_t generate_csum(keyslot_t data)
-{
-  uint16_t sum1 = 0xf, sum2 = 0xf, len = sizeof(keyslot_t)-1;
-  do { sum2 += ( sum1 += *data++ ); } while (--len);
-  return sum2<<4 | sum1;
-}
-
-int send_key(keyslot_t key, FILE* dev)
-{
-  fwrite(key, sizeof(keyslot_t), 1, dev);
-  fflush(dev);
-  char tmp;
-  while(fread(&tmp, 1, 1, dev)) {
-    fwrite(&tmp, 1, 1, stdout);
-    if(tmp == 0) return 1;
-    if(tmp == '.') return 0;
-  }
-  return 0;
-}
-
-int main(int argc, char* argv[])
-{
-  if(argc<2) {
-    fprintf(stderr, "Usage: update-keys <device>\n");
-    return -1;
-  }
-
-  FILE* dev;
-  dev = fopen(argv[1], "r+");
-  if(!dev) {
-    fprintf(stderr, "fopen failed!\n");
-    return -2;
-  }
-
-  int fd = fileno(dev);
-  struct termios t;
-  tcgetattr(fd, &t);
-  t.c_lflag &= ~(ICANON | ECHO);
-  t.c_iflag &= ~(ICRNL | INLCR | IXON | IXOFF);
-  cfmakeraw(&t);
-  tcflush(fd, TCIOFLUSH);
-  tcsetattr(fd, TCSANOW, &t);
-
-  fprintf(dev, "e");
-
-  char* line = NULL;
-  size_t len = 0;
-  int line_num = 0;
-  keyslot_t key;
-  int key_num = 0;
-
-  for(;;) {
-    ssize_t ret = getline(&line, &len, stdin);
-    if(ret <= 0) break;
-    line_num++;
-
-    int i;
-    for(i=0; i<len; ++i) {
-      if(!isxdigit(line[i])) {
-        line[i] = 0;
-        break;
-      }
-    }
-    if(i & 1 || i == 0 || i > (sizeof(keyslot_t)-1)*2) {
-      fprintf(stderr, "ignoring invalid key (odd number of digits or empty string or too long) at line %d\n", line_num);
-      continue;
-    }
-    uint8_t tmp[3];
-    int j;
-    tmp[2] = 0;
-    for(j = 0; j<(i/2); ++j) {
-      tmp[0] = line[j*2];
-      tmp[1] = line[j*2 + 1];
-      key[j] = (char)strtoul(tmp, NULL, 16);
-    }
-    for(j=i/2; j < sizeof(keyslot_t)-1; ++j) {
-      key[j] = 0;
-    }
-    key[sizeof(keyslot_t)-1] = generate_csum(key);
-    if(send_key(key, dev)) {
-      fprintf(stderr, "send_key failed at keyslot %d\n", key_num);
-      return 1;
-    }
-
-    key_num++;
-    if(key_num > EEPROM_SIZE/sizeof(keyslot_t)) {
-      fprintf(stderr, "reached maximum number of key slots (%d), will ignore remaining keys\n", (int)(EEPROM_SIZE/sizeof(keyslot_t)));
-      break;
-    }
-  }
-  printf("\nread %d keys from STDIN - filling rest of keystore with invalid keys\n", key_num);
-
-  int i;
-  for(i=0; i<=sizeof(keyslot_t)-1; ++i) key[i] = 0xFF;
-  for(i=key_num; i < EEPROM_SIZE/sizeof(keyslot_t); ++i) {
-    if(send_key(key, dev)) {
-      fprintf(stderr, "send_key failed at keyslot %d\n", key_num);
-      return 1;
-    }
-    key_num++;
-  }
-
-  printf("\nwrite of %d keys finished\n", key_num);
-
-  return 0;
-}