First commit and Init

mein_projekt/main.cpp

@@ -0,0 +1,25 @@
+#include "hardware/i2c.h"
+#include "pico/stdlib.h"
+#include <cstdio>
+
+void check_i2c() {
+  uint8_t buffer;
+  for (int addr{0x08}; addr < 0x78; addr++) {
+    if (i2c_read_blocking(i2c0, addr, &buffer, 1, false) > 0) {
+      printf("Adresse: %02X\n", addr);
+    }
+  }
+}
+
+int main() {
+  sleep_ms(3000);
+  stdio_init_all();
+  i2c_init(i2c0, 400 * 1000);
+  gpio_set_function(0, GPIO_FUNC_I2C); // SDA
+  gpio_set_function(1, GPIO_FUNC_I2C); // SCL
+  gpio_pull_up(0);
+  gpio_pull_up(1);
+  while (true) {
+    check_i2c();
+  }
+}