#include <msp430g2553.h>
#include <stdint.h>
#include <stdio.h>
#include <w5500.h>
#include <socket.h>
#include <wizchip_conf.h>



int main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
  
  //Variable Init
  int data=0;
  
  //SPI init
  BCSCTL1 = CALBC1_1MHZ;
  DCOCTL = CALDCO_1MHZ;
  
  //PIN Config
  P1SEL |= BIT5 + BIT6 + BIT7;
  P1SEL2 |= BIT5 + BIT6 + BIT7;
  
  //I/O PIN
  P1OUT |= BIT0;
  P1DIR |= BIT0;
  
  
  UCB0CTL1 |= UCSWRST;
  UCB0CTL0 |= UCCKPH | UCMSB | UCMST | UCSYNC;

  UCB0BR0 = 1;
  UCB0BR1 = 0;
  
  UCB0CTL1 &= ~UCSWRST;
  UCB0CTL1 = UCSSEL_2;
  
  //Chip Select nicht benutzt
  wiznet_register_spi();
  
  
  while(1){
    //

  }


}

uint8_t wizchip_spi_read(void){
    while (!(IFG2 & UCB0TXIFG));
    UCB0TXBUF = 0xFF;
    while(!(IFG2& UCB0RXIFG));
    volatile unsigned char dummy = UCB0RXBUF;
    return UCB0RXBUF;
}

void wizchip_spi_write(uint8_t data){
    while(!(IFG2 & UCB0TXIFG));
    UCB0TXBUF = data;
    while(!(IFG2 & UCB0RXIFG));
    volatile uint8_t dummy = UCB0RXBUF;
}

void wiznet_register_spi(void){
  reg_wizchip_spi_cbfunc(wizchip_spi_read, wizchip_spi_write);
}