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projekte:cis:canon_mf4370dn [2016-06-15 02:37]
cracki [Reversing]
projekte:cis:canon_mf4370dn [2017-01-17 02:01] (current)
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   * 01 70315   * 01 70315
   * FK2-9569-000   * FK2-9569-000
-  ​* 01 57038164 F (Barcode)+    * das ist die Typbezeichnung für den CIS 
 +  ​* 01 57038164 F 
 +    * Barcode: Format ITF, Typ Text, Wert 57038164 
 + 
 +===== Pinout ===== 
 + 
 +  * 6 Clock 
 +  * 7 Startpuls 
 +  * 8 Vref 
 +  * 9 VCC (5V) 
 +  * 10 GND 
 +  * 11 DPI (low: 300, high: 600, pullup) 
 +  * 12 Aout 
 +    * 2-4 V Ausgang, geht nie runter auf 0 
 + 
 +  * regelmäßige blinde Flecke, ca 0.5mm breit jeweils 
 +  * doppelt so viele blinde Flecke, wenn Spannung an DPI > VCC
  
 ===== Reversing ===== ===== Reversing =====
Line 26: Line 42:
 Pins gezaehlt von innen (links) nach aussen (rechts). Pins gezaehlt von innen (links) nach aussen (rechts).
  
-Spannungen bei mA:+Bis auf GND sind 1-5 und 6-12 getrennt. Insbesondere 5, trotz weiterer Abzweigung, scheint mit nix weiter zu interagieren.
  
-^ + \ - ^     1 ^     2 ^     3 ^     4 ^     5 ^     6 ^     7 ^     8 ^     9 ^    10 ^    11 ^    12 ^ Beschreibung des Pins  ^ +==== Messungen ====
-|     1 |  <typo bg:#​ffb2b2>​0.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​c6ffb2>​0.58</​typo>​ |  <typo bg:#​e8ffb2>​0.43</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​ddffb2>​0.48</​typo>​ | LED Pin 1 (unten): GND  | +
-|     2 |       ​| ​ <typo bg:#​ffb2b2>​0.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      | LED Pin 2  | +
-|     3 |       ​| ​      ​| ​ <typo bg:#​ffb2b2>​0.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      | LED Pin 3  | +
-|     4 |       ​| ​      ​| ​      ​| ​ <typo bg:#​ffb2b2>​0.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      | LED Pin 4  | +
-|     5 |       ​| ​ <typo bg:#​ffb2fe>​1.67</​typo>​ |       ​| ​      ​| ​ <typo bg:#​ffb2b2>​0.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      ​| ​      | LED Pin 5  | +
-|     6 |  <typo bg:#​b2ffff>​1.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​c8b2ff>​1.43</​typo>​ |  <typo bg:#​b2ffc7>​0.76</​typo>​ |  <typo bg:#​b2ffff>​1.00</​typo>​ |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​bdb2ff>​1.38</​typo>​ |  | +
-|     7 |  <typo bg:#​b2ffff>​1.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​c8b2ff>​1.43</​typo>​ |  <typo bg:#​b2ffc7>​0.76</​typo>​ |  <typo bg:#​b2ffff>​1.00</​typo>​ |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​bdb2ff>​1.38</​typo>​ |  | +
-|     8 |  <typo bg:#​b2fff5>​0.96</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2eeff>​1.07</​typo>​ |  <typo bg:#​b2eeff>​1.07</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffb7>​0.69</​typo>​ |  <typo bg:#​b2fff5>​0.96</​typo>​ |  <typo bg:#​b2eeff>​1.07</​typo>​ |  <typo bg:#​b2fffa>​0.98</​typo>​ |  | +
-|     9 |  <typo bg:#​b2ffb3>​0.67</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2ffc3>​0.74</​typo>​ |  <typo bg:#​b2ffc3>​0.74</​typo>​ |  <typo bg:#​b2eaff>​1.09</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffb3>​0.67</​typo>​ |  <typo bg:#​b2ffc3>​0.74</​typo>​ |  <typo bg:#​b2f5ff>​1.04</​typo>​ |  | +
-|    10 |  <typo bg:#​ffb2b2>​0.00</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​c6ffb2>​0.58</​typo>​ |  <typo bg:#​e8ffb2>​0.43</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​ddffb2>​0.48</​typo>​ | GND, kupferne Masseflaeche,​ aufgeklebt ​ | +
-|    11 |  <typo bg:#​b2fcff>​1.01</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2dcff>​1.15</​typo>​ |  <typo bg:#​b2dcff>​1.15</​typo>​ |  <typo bg:#​cab2ff>​1.44</​typo>​ |  <typo bg:#​b2ffc5>​0.75</​typo>​ |  <typo bg:#​b2fcff>​1.01</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​bfb2ff>​1.39</​typo>​ |  | +
-|    12 |  <typo bg:#​b2fff5>​0.96</​typo>​ |       ​| ​      ​| ​      ​| ​      ​| ​ <typo bg:#​b2ecff>​1.08</​typo>​ |  <typo bg:#​b2ecff>​1.08</​typo>​ |  <typo bg:#​b2fff5>​0.96</​typo>​ |  <typo bg:#​b2ffb3>​0.67</​typo>​ |  <typo bg:#​b2fff5>​0.96</​typo>​ |  <typo bg:#​b2ecff>​1.08</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  |+
  
-Spannungen bei 10 mA:+Spannungen bei 10 mA und 3.4V:
  
-^ + \ - ^     1 ^     2 ^     3 ^     4 ^     5 ^ +^ + \ - ^     1 ^     2 ^     3 ^     4 ^     ​5 ​^ Beschreibung des Pins  ​
-|     1 |  0.00 |       ​| ​      ​| ​      ​| ​      | +|     1 |  ​<typo bg:#​ffb2b2>​0.00</​typo> ​|       ​| ​      ​| ​      ​| ​      | GND  ​
-|     2 |       ​| ​ 0.00 |       ​| ​      ​| ​      | +|     2 |       ​|  ​<typo bg:#​ffb2b2>​0.00</​typo> ​|       ​| ​      ​| ​      | GND Rot  ​
-|     3 |       ​| ​      ​| ​ 0.00 |       ​| ​      | +|     3 |       ​| ​      ​|  ​<typo bg:#​ffb2b2>​0.00</​typo> ​|       ​| ​      | GND Grün  ​
-|     4 |       ​| ​      ​| ​      ​| ​ 0.00 |       | +|     4 |       ​| ​      ​| ​      ​|  ​<typo bg:#​ffb2b2>​0.00</​typo> ​|       | GND Blau  ​
-|     5 |       ​| ​ 1.87 |  2.78 |  2.95 |  0.00 |+|     5 |       ​|  ​<typo bg:#​ffb2d0>​1.87</​typo> ​|  ​<typo bg:#​b2ffcc>​2.78</​typo> ​|  ​<typo bg:#​b2fff3>​2.95</​typo> ​|  ​<typo bg:#​ffb2b2>​0.00</​typo>​ | VCC (Test: 3.35V 10mA)  ​|
  
-==== bestätigt ==== +auch:
- +
-Beleuchtung:+
   * 2 GND Rot, ~2.3V 50mA   * 2 GND Rot, ~2.3V 50mA
   * 3 GND Gruen, ~3.45V 50mA   * 3 GND Gruen, ~3.45V 50mA
   * 4 GND Blau, ~3.45V 30mA   * 4 GND Blau, ~3.45V 30mA
-  * 5 VCC (3.3V OK) 
  
-==== Hypothesen ====+bei ~4.5V Versorgung in die LEDs folgende Widerstände nach Erde: 
 +  * Rot: 220 
 +  * Grün: 50 
 +  * Blau: 100
  
-  * ???+Spannungen bei mA:
  
-  * 6,7,11 gleich +^ + \ - ^     ^     ^     8 ^     9 ^    10 ^    ​11 ^    12 ^ Aufgabe ​ ^ Beschreibung ​ ^ 
-  ​8,12 gleich +|     6 |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​c8b2ff>​1.43</​typo>​ |  <typo bg:#​b2ffc7>​0.76</​typo>​ |  <typo bg:#​b2ffff>​1.00</​typo>​ |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​bdb2ff>​1.38</​typo>​ | Clock | Betrieb: floating ​ | 
-  ​10 GND +|     7 |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​c8b2ff>​1.43</​typo>​ |  <typo bg:#​b2ffc7>​0.76</​typo>​ |  <typo bg:#​b2ffff>​1.00</​typo>​ |  <typo bg:#​b2deff>​1.14</​typo>​ |  <typo bg:#​bdb2ff>​1.38</​typo>​ | Startpuls | Betrieb: floating ​ | 
-  ​VCC?+|     |  <typo bg:#​b2eeff>​1.07</​typo>​ |  <typo bg:#​b2eeff>​1.07</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffb7>​0.69</​typo>​ |  <typo bg:#​b2fff5>​0.96</​typo>​ |  <typo bg:#​b2eeff>​1.07</​typo>​ |  <typo bg:#​b2fffa>​0.98</​typo>​ | Vref | betrieb: lowdriftet langsam (Vref?) | 
 +|     9 |  <typo bg:#​b2ffc3>​0.74</​typo>​ |  <typo bg:#​b2ffc3>​0.74</​typo>​ |  <typo bg:#​b2eaff>​1.09</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffb3>​0.67</​typo>​ |  <typo bg:#​b2ffc3>​0.74</​typo>​ |  <typo bg:#​b2f5ff>​1.04</​typo>​ | VCC | | 
 +|    ​10 |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​c6ffb2>​0.58</​typo>​ |  <typo bg:#​e8ffb2>​0.43</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​b2ffbe>​0.72</​typo>​ |  <typo bg:#​ddffb2>​0.48</​typo>​ | GND | kupferne Masseflaeche,​ aufgeklebt ​ | 
 +|    11 |  <typo bg:#​b2dcff>​1.15</​typo>​ |  <typo bg:#​b2dcff>​1.15</​typo>​ |  <typo bg:#​cab2ff>​1.44</​typo>​ |  <typo bg:#​b2ffc5>​0.75</​typo>​ |  <typo bg:#​b2fcff>​1.01</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ |  <typo bg:#​bfb2ff>​1.39</​typo>​ | DPI | Betrieb: high | 
 +|    12 |  <typo bg:#​b2ecff>​1.08</​typo>​ |  <typo bg:#​b2ecff>​1.08</​typo>​ |  <typo bg:#​b2fff5>​0.96</​typo>​ |  <typo bg:#​b2ffb3>​0.67</​typo>​ |  <typo bg:#​b2fff5>​0.96</​typo>​ |  <typo bg:#​b2ecff>​1.08</​typo>​ |  <typo bg:#​ffb2b2>​0.00</​typo>​ | Aout | Betrieb: floating low, scheint digitale Werte zu produzieren | 
 + 
 +===== Arduino Code ===== 
 + 
 +<​code>​ 
 +#define START 2 
 +#define CLOCK 3 
 +#define DPIMODE 4 
 +#define LEDR 5 
 +#define LEDG 6 
 +#define LEDB 7 
 + 
 +bool dpimode = 1; 
 +uint16_t pixels = dpimode ​5184 : 2592; 
 + 
 +uint32_t linetime = 4000; // us 
 +uint32_t sched = 0; 
 + 
 +uint8_t lightcolor = 0; 
 + 
 +void set_lighting(uint8_t active) 
 +
 +  digitalWrite(LEDR,​ !(active & 0b001)); 
 +  digitalWrite(LEDG,​ !(active & 0b010)); 
 +  digitalWrite(LEDB,​ !(active & 0b100)); 
 +
 + 
 +void setup() { 
 +  pinMode(START,​ OUTPUT); 
 +  pinMode(CLOCK,​ OUTPUT); 
 +  pinMode(DPIMODE,​ OUTPUT); 
 + 
 +  pinMode(LEDR,​ OUTPUT); 
 +  pinMode(LEDG,​ OUTPUT); 
 +  pinMode(LEDB,​ OUTPUT); 
 + 
 +  digitalWrite(DPIMODE,​ dpimode); 
 + 
 +  sched = micros(); 
 +
 + 
 +void loop() { 
 +   
 +  set_lighting(0);​ 
 + 
 +  digitalWrite(START,​ HIGH); 
 +  digitalWrite(CLOCK,​ HIGH); 
 +  digitalWrite(CLOCK,​ LOW); 
 +  digitalWrite(START,​ LOW); 
 + 
 +  set_lighting(1 << lightcolor);​ 
 + 
 +  for (uint16_t counter = 82 + pixels; counter-- > 0; ) 
 +  { 
 +    PORTD |= _BV(PORTD3);​ 
 +    PORTD &= ~_BV(PORTD3);​ 
 +  } 
 + 
 +  lightcolor = (lightcolor+1) % 3; 
 + 
 +  sched += linetime; 
 +  int32_t dt = sched - micros(); 
 +  while (dt > 0x4000) 
 +  { 
 +    delayMicroseconds(0x4000);​ 
 +    dt -= 0x4000; 
 +  } 
 +  if (dt > 0) 
 +    delayMicroseconds(dt);​ 
 +
 +</​code>​
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