20210110_tian_ma_A2C00096100.c

/*
 * 20210107_m32u4_tian_pollin_2.c
 *
 * Created: 2021-01-07 22:07:56
 * Author : uwezi
 */

#include <avr/io.h>
#include <util/delay.h>
#include "i2cmaster.h"

uint8_t adresses[20] = {0x1A,0x1B,0x1C,0x1E,0x1F,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0E,0x0F};

uint8_t hex[16]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
void init(void)
{
  DDRE = (1 << PE6);

  //m_usb_init();
  //while(!m_usb_isconnected()); // wait for a connection

  i2c_init(1,152);

  DDRB = (1 << PB5);
  PORTB |= (1 << PB5);
  _delay_ms(10);
  PORTB &= ~(1 << PB5);
  _delay_ms(100);

  i2c_start_wait(0x74);
  i2c_write(0b00000000);    // CO=0 RS=0 last control byte, instruction
                            // M=0 1-line
                            // SL=0 1:18 multiplex
                            // H=0 basic instruction set
  i2c_write(0b00100000);    // function_set DL=0 M=0 SL=0 H=0
                            // I_D=1 auto address increment
                            // S=0 no display shift
  i2c_write(0b00000110);    // entry_mode I_D=1 S=0
                            // D=1 display on
                            // C=1 cursor is on
                            // B=0 blink is off
  i2c_write(0b00001110);    // display_ctl D=1 C=0 B=0

  i2c_write(0b00100001);    // function_set DL=0 M=0 SL=0 H=1
                            // P=0 column data left-to-right, no mirror
                            // Q=0 row top-to-bottom, icons in row 17 & 18
  i2c_write(0b00000100);    // disp_conf P=0 Q=0
                            // S1=1 S0=0 4x voltage multiplier
  i2c_write(0b01000010);    // hv_gen S1=1 S0=0
                            // IM=0 character mode, full display
                            // IB=0 icon blink disabled, icon data in cgram[0...3] 5x8 bit
                            // DM=0 direct mode off
  i2c_write(0b00001000);    // icon_ctl IM=0 IB=0 DM=0
  i2c_write(0b10110000);    // vlcd_set V=0 VA=0x30
  i2c_write(0b11000000);    // vlcd_set V=1 VB=0x00
  i2c_write(0b00100000);    // function_set DL=0 M=0 SL=0 H=0
  i2c_write(0b00000001);    // clear display
  i2c_stop();
}


int main(void)
{
  uint8_t j, k;
  init();

  while(1)
  {
    // all DDRAM to character #0
    i2c_start_wait(0x74);
    for (k=0; k<128; k++)
    {
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | k); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(0);
    }
    i2c_stop();

    // fill CGRAM
    i2c_start_wait(0x74);
    for (k=0; k<128; k++)
    {

      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | (k & 64)); //DDRAM address, highest bit
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b01000000 | (k%64)); //CGRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(0xff);
    }
    i2c_stop();

    _delay_ms(3000);

    // all DDRAM to space
    i2c_start_wait(0x74);
    for (k=0; k<128; k++)
    {
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | k); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(0x20);
    }

    for (k=0; k<8; k++)
    {

      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | (k & 64)); //DDRAM address, highest bit
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b01000000 | (k%64)); //CGRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(0);
    }

    i2c_write(0b10000000);   // one instruction followed by another command
    i2c_write(0b10000000 | 0x0d); //DDRAM address
    i2c_write(0b11000000);   // one data followed by another command
    i2c_write(0x00);

    for (k=0; k<8; k++)
    {
      i2c_start_wait(0x74);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[0]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(hex[k/16]);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[1]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(hex[k%16]);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[2]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(':');

      for (j=0;j<8;j++)
      {
        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b10000000 | adresses[3]); //DDRAM address
        i2c_write(0b11000000);   // one data followed by another command
        i2c_write(j%10 + '0');

        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b10000000 | (k & 64)); //DDRAM address, highest bit
        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b01000000 | (k%64)); //CGRAM address
        i2c_write(0b11000000);   // one data followed by another command
        i2c_write(1 << j);
        _delay_ms(1000);
      }
    }

    i2c_stop();

    _delay_ms(3000);

    // clear CGRAM
    i2c_start_wait(0x74);
    for (k=0; k<128; k++)
    {

      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | (k & 64)); //DDRAM address, highest bit
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b01000000 | (k%64)); //CGRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(0);
    }
    i2c_stop();

    i2c_start_wait(0x74);
    for (k=0; k<20; k++)
    {
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[k]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(k%10+'0');
      _delay_ms(500);
    }
    i2c_stop();
    _delay_ms(3000);

    _delay_ms(2000);

    for (k=0; k<16; k++)
    {
      i2c_start_wait(0x74);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[0]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(hex[k]);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[1]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write('0');
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[2]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(':');
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[3]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(' ');

      for (j=0;j<16;j++)
      {
        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b10000000 | adresses[4+j]); //DDRAM address
        i2c_write(0b11000000);   // one data followed by another command
        i2c_write(j+16*k);
      }
      i2c_stop();
      _delay_ms(3000);
    }

    _delay_ms(2000);

    i2c_start_wait(0x74);
    for (k=0; k<16; k++)
    {
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[k+4]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(k);
    }
    i2c_stop();

    for (k=0; k<128; k++)
    {
      i2c_start_wait(0x74);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[0]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(hex[k/16]);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[1]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(hex[k%16]);
      i2c_write(0b10000000);   // one instruction followed by another command
      i2c_write(0b10000000 | adresses[2]); //DDRAM address
      i2c_write(0b11000000);   // one data followed by another command
      i2c_write(':');

      for (j=0;j<8;j++)
      {
        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b10000000 | adresses[3]); //DDRAM address
        i2c_write(0b11000000);   // one data followed by another command
        i2c_write(j%10 + '0');

        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b10000000 | (k & 64)); //DDRAM address, highest bit
        i2c_write(0b10000000);   // one instruction followed by another command
        i2c_write(0b01000000 | (k%64)); //CGRAM address
        i2c_write(0b11000000);   // one data followed by another command
        i2c_write(1 << j);
        _delay_ms(250);
      }

      i2c_stop();
    }

    _delay_ms(2000);

  }
  return 0;
}