#include "MKL46Z4.h"                    // Biblioteka wykorzystywanej plytki.
//#include "lcd.h"                          // Biblioteka obslogi wyswietlacza lcd.


//#define UART0_Rx 0  //Rx is first in table
//#define UART0_Tx 1  //Tx is second in table


void init_UART(void){

    SIM->SCGC4 |= SIM_SCGC4_UART2_MASK;     // Odblokowanie zegara dla UART2.      /* Enable Clock to UART2*/
    SIM->SCGC5 |= SIM_SCGC5_PORTE_MASK;     // Odblokowanie zegara dla portu E.         /* Enable Clock to PORTA*/
    PORTE->PCR[16] |= PORT_PCR_MUX(3UL);  /* Pin PTA1 is alt2 (UART)*/
    PORTE->PCR[17] |= PORT_PCR_MUX(3UL);  /* Pin PTA2 is alt2 (UART) */

    UART2->C2 &=~ UART_C2_TE_MASK;        // /* disable transmitting*/
    UART2->C2 &=~ UART_C2_RE_MASK;   /* disable receiving */

    UART2->BDH |= UART_BDH_SBR(0x156);      /*set value of SBR to BDH (it is the first divider)0x01*/
    UART2->BDL |= UART_BDL_SBR(0x156);      /*set value of SBR to BDL */
    UART2->BDH &=~ UART_BDH_SBNS_MASK;   /*set value of  SBNS (0 - one bit, 1- two bits) 0x38*/

    UART2->C1 &=~ UART_C1_M_MASK;                   // 8 bitow danych.          /* M selects between 8 and 9 bits data MODE*/
    UART2->C1 &=~ UART_C1_PE_MASK;              // Brak bitu parzystosci.       /* PE - parity enable (0 - no hardware parity)*/



    UART2->C2 |= UART_C2_TE_MASK;   /* enable transmitting*/
    UART2->C2 |= UART_C2_RE_MASK;   /* enable receiving */

}



int main (void) {
    uint8_t data = 255;
    init_UART();
    //init_LCD();                                   // Inicjalizacja wyswietlacza lcd.
    for(;;) {
        //set_float_LCD(3.789,3);
        //while( (UART0->S1 & 0x80) != 0) {
        UART2->D='a';
        //}
        //while( (UART0->S1 & 0x80) != 0);
        delay(1000);
        //set_float_LCD(1.121,3);
        delay(1000);
        //delay(1000);
        //delay(1000);
    }
}