docs: update README to reflect PN532 I2C configuration and remove SPI pin details

README.de.md

@@ -71,14 +71,10 @@ Deutsches Erklärvideo: [Youtube](https://youtu.be/uNDe2wh9SS8?si=b-jYx4I1w62zaO
 | OLED SCL          | 22        |
 | PN532 IRQ         | 32        |
 | PN532 RESET       | 33        |
-| PN532 SCK         | 14        |
-| PN532 MOSI        | 13        |
-| PN532 MISO        | 12        |
-| PN532 CS/SS       | 15        |
+| PN532 SDA         | 21        |
+| PN532 SCL         | 22        |
 
-Ich nutze die HSPI default PINs + IRQ und RESET am PN532
-
-![ESP32](./img/ESP32-SPI-Pins.png)
+**Achte darauf, dass am PN532 die DIP-Schalter auf I2C gestellt sind**
 
 ## Software-Abhängigkeiten
 

README.md

@@ -75,14 +75,10 @@ german explanatory video: [Youtube](https://youtu.be/uNDe2wh9SS8?si=b-jYx4I1w62z
 | OLED SCL          | 22        |
 | PN532 IRQ         | 32        |
 | PN532 RESET       | 33        |
-| PN532 SCK  	    | 14        |
-| PN532 MOSI    	| 13        |
-| PN532 MISO       	| 12        |
-| PN532 CS/SS       | 15        |
+| PN532 SDA         | 21        |
+| PN532 SCL         | 22        |
 
-I use the HSPI default PINs + IRQ and RESET at the PN532
-
-![ESP32](./img/ESP32-SPI-Pins.png)
+**Make sure that the DIP switches on the PN532 are set to I2C**
 
 ## Software Dependencies
 

src/main.cpp

@@ -15,17 +15,10 @@
 #include "esp_task_wdt.h"
 #include "commonFS.h"
 
-#include "soc/rtc.h"
-
 // ##### SETUP #####
 void setup() {
   Serial.begin(115200);
 
-  rtc_cpu_freq_config_t config;
-  rtc_clk_cpu_freq_get_config(&config);
-  rtc_clk_cpu_freq_to_config(RTC_CPU_FREQ_80M, &config);
-  rtc_clk_cpu_freq_set_config_fast(&config);
-
   uint64_t chipid;
 
   chipid = ESP.getEfuseMac(); //The chip ID is essentially its MAC address(length: 6 bytes).