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projekte:cis:canon_mf4370dn [2016-06-15 00:37] – [Reversing] crackiprojekte:cis:canon_mf4370dn [2016-06-15 04:06] – [Messungen] cracki
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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 ^     ^ 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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