aufgabe 2 stuff

CMakeLists.txt

@@ -13,4 +13,4 @@ add_executable(
     src/main.c
 )
 
-target_link_libraries(main pico_stdlib)
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+target_link_libraries(main pico_stdlib hardware_i2c)
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src/main.c

 #include <pico/stdlib.h>
-
+#include <hardware/i2c.h>
+/*
 unsigned* enablerregister = (void *) (SIO_BASE + SIO_GPIO_OE_SET_OFFSET);
 unsigned* volatile outregister = (void *) (SIO_BASE + SIO_GPIO_OUT_SET_OFFSET);
 unsigned* volatile outclearregister = (void *) (SIO_BASE + SIO_GPIO_OUT_CLR_OFFSET);
 unsigned* gpioregister = (void *) (IO_BANK0_BASE + IO_BANK0_GPIO25_CTRL_OFFSET );
 unsigned* resetspace = (void *) (RESETS_BASE);
+unsigned* resetdone = (void*) (RESETS_BASE + RESETS_RESET_DONE_IO_BANK0_BITS);
+//unsigned* resetdone = (void*) RESETS_RESET_DONE_IO_BANK0_BITS;
+*/
+unsigned* SDApinctrl = (void*)(IO_BANK0_BASE + IO_BANK0_GPIO0_CTRL_OFFSET);
+unsigned* SCLpinctrl = (void*)(IO_BANK0_BASE + IO_BANK0_GPIO1_CTRL_OFFSET);
+
+//unsigned* SDApin = (void*)(SIO_BASE + IO_BANK0_GPIO0_CTRL_FUNCSEL_VALUE_I2C0_SDA);
+//unsigned* SCLpin = (void*)(IO_BANK0_GPIO1_CTRL_FUNCSEL_VALUE_I2C0_SCL);
+
+
+unsigned* asdf ;
+
 
 
 
 int main() {
+    //*SDApinctrl = IO_BANK0_GPIO0_CTRL_FUNCSEL_VALUE_I2C0_SDA;
+    //*SCLpinctrl = IO_BANK0_GPIO1_CTRL_FUNCSEL_VALUE_I2C0_SCL;
+    i2c_init
+
+
+
+    gpio_set_function_masked(*SCLpinctrl , IO_BANK0_GPIO1_CTRL_FUNCSEL_VALUE_I2C0_SCL); //selbe funktion wie veroderung
+    gpio_set_function_masked(*SCLpinctrl , IO_BANK0_GPIO0_CTRL_FUNCSEL_VALUE_I2C0_SDA); //selbe funktion wie veroderung
+
+    //gpio_set_function_masked(1 | 2, GPIO_FUNC_I2C); // macht beides 
+
     
+    /*
     *resetspace &= ~(1u<<5);
     *gpioregister = 5;
     *enablerregister = 0x01 << PICO_DEFAULT_LED_PIN;
+
+    if(*resetdone & (0x1 <<5)){
+
+    }
+
     for(int i = 0; i< 10 ;i++){
         for(int j = 0; j <1000000; j++){
             *outregister = 0x01 << PICO_DEFAULT_LED_PIN;
@@ -25,6 +55,6 @@ int main() {
 
         }
     }
-
+    */
     return 0;
 }
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