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projekte:cis:canon_mf4370dn [2016-06-15 00:44] – [Reversing] crackiprojekte:cis:canon_mf4370dn [2017-01-17 01:01] (current) – external edit 127.0.0.1
Line 20: Line 20:
   * 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 =====
  
 Pins gezaehlt von innen (links) nach aussen (rechts). Pins gezaehlt von innen (links) nach aussen (rechts).
 +
 +Bis auf GND sind 1-5 und 6-12 getrennt. Insbesondere 5, trotz weiterer Abzweigung, scheint mit nix weiter zu interagieren.
 +
 +==== Messungen ====
  
 Spannungen bei 10 mA und 3.4V: Spannungen bei 10 mA und 3.4V:
Line 34: Line 54:
 |     4 |                    <typo bg:#ffb2b2>0.00</typo> |       | GND Blau  | |     4 |                    <typo bg:#ffb2b2>0.00</typo> |       | GND Blau  |
 |     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)  | |     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)  |
 +
 +auch:
 +  * 2 GND Rot, ~2.3V 50mA
 +  * 3 GND Gruen, ~3.45V 50mA
 +  * 4 GND Blau, ~3.45V 30mA
 +
 +bei ~4.5V Versorgung in die LEDs folgende Widerstände nach Erde:
 +  * Rot: 220
 +  * Grün: 50
 +  * Blau: 100
  
 Spannungen bei 1 mA: Spannungen bei 1 mA:
  
-^ + \ - ^     6 ^     7 ^     8 ^     9 ^    10 ^    11 ^    12 ^ Beschreibung des Pins  ^ +^ + \ - ^     6 ^     7 ^     8 ^     9 ^    10 ^    11 ^    12 ^ Aufgabe  ^ Beschreibung 
-|     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> |  | +|     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  | 
-|     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> |  | +|     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  | 
-|     8 |  <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> +|     8 |  <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: low, driftet 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> +|     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> | GNDkupferne Masseflaeche, aufgeklebt +|    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> +|    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> |+|    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 |
  
-==== bestätigt ====+===== Arduino Code =====
  
-Beleuchtung: +<code> 
-  GND Rot, ~2.3V 50mA +#define START 
-  GND Gruen, ~3.45V 50mA +#define CLOCK 
-  GND Blau, ~3.45V 30mA +#define DPIMODE 
-  VCC (3.3V OK)+#define LEDR 5 
 +#define LEDG 6 
 +#define LEDB 7
  
-==== Hypothesen ====+bool dpimode 1; 
 +uint16_t pixels dpimode ? 5184 : 2592;
  
-  * 1 ???+uint32_t linetime = 4000; // us 
 +uint32_t sched = 0;
  
-  * 6,7,11 gleich +uint8_t lightcolor = 0; 
-  * 8,12 gleich + 
-  * 10 GND +void set_lighting(uint8_t active) 
-  * 5 VCC?+
 +  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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