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* SDApin = (void*)(SIO_BASE + IO_BANK0_GPIO0_CTRL_FUNCSEL_VALUE_I2C0_SDA);
//unsigned* SCLpin = (void*)(IO_BANK0_GPIO1_CTRL_FUNCSEL_VALUE_I2C0_SCL);




unsigned* SDApinctrl = (void*)(IO_BANK0_BASE + IO_BANK0_GPIO0_CTRL_OFFSET);
unsigned* SCLpinctrl = (void*)(IO_BANK0_BASE + IO_BANK0_GPIO1_CTRL_OFFSET);
//unsigned* SDApinctrl = (void *)PICO_DEFAULT_I2C_SDA_PIN;
//unsigned* SCLpinctrl = (void *)PICO_DEFAULT_I2C_SCL_PIN;



const uint8_t init[4]  = { 0x21,0xa0,0xe1,0x81};
const uint8_t zeile[8]  = { 0x00,0x02,0x04,0x06,0x08,0x10,0x12,0x14};
//const uint8_t test[1]  = { 0x21,0xa0,0xe1,0x81};
const uint8_t fill[17]  = { 0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
const uint8_t empty[17]  = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};






int main() {
    //*SDApinctrl = IO_BANK0_GPIO0_CTRL_FUNCSEL_VALUE_I2C0_SDA;
    //*SCLpinctrl = IO_BANK0_GPIO1_CTRL_FUNCSEL_VALUE_I2C0_SCL;
    //gpio_set_function_masked(1 | 2, GPIO_FUNC_I2C); //
    //gpio_pull_up(*SDApinctrl);
    //gpio_pull_up(*SCLpinctrl);


   // gpio_set_function_masked(*SDApinctrl , IO_BANK0_GPIO0_CTRL_FUNCSEL_VALUE_I2C0_SDA); //
   // gpio_set_function_masked(*SCLpinctrl , IO_BANK0_GPIO1_CTRL_FUNCSEL_VALUE_I2C0_SCL); //
    i2c_init(i2c_default, 100000);
    gpio_set_function(0 ,GPIO_FUNC_I2C);
    gpio_set_function(1 ,GPIO_FUNC_I2C);

  

    gpio_pull_up(1);
    gpio_pull_up(0);

    //uint8_t* lampe [2] = {0x01,0xff};
   
    
    i2c_write_blocking(i2c_default, 0x70 , init+0, 1 ,false);
    i2c_write_blocking(i2c_default, 0x70 ,init+1, 1 ,false);
    i2c_write_blocking(i2c_default, 0x70 ,init+2, 1 ,false);
    i2c_write_blocking(i2c_default, 0x70 ,init+3, 1 ,false);

    //const uint8_t zeile[8]  = { 0x00,0x02,0x04,0x06,0x08,0x10,0x12,0x14};

    i2c_write_blocking(i2c_default, 0x70 , zeile, 4 ,false);

    //i2c_write_blocking(i2c_default, 0x70 , fill, 17 ,false);
    i2c_write_blocking(i2c_default, 0x70 , empty, 17 ,false);
    for(int i = 0 ; i <=8;i++){

    }



    //i2c_write_blocking(i2c_default, 0x70 ,(const uint8_t *) 0x81, 1 ,false);




    

    
    

    
    /*
    *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;
        }
        for(int j = 0; j <1000000; j++){
            //*outregister = 0x00 << SIO_GPIO_HI_OUT_CLR_OFFSET;
            *outclearregister = 0x01 << PICO_DEFAULT_LED_PIN;

            

        }
    }
    */
    return 0;
}