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//Uart test

#include <HDL51001_ccf.h>

#include <uart.h>

#include "math.h"

#define MAX_BLOCKSIZE   32

#define DELTA           (0.000001f)

//#define DELTA (0.00000000001f)

const float testInput[MAX_BLOCKSIZE] =

{

        -1.244916875853235400,  -4.793533929171324800,  0.360705030233248850,   0.827929644170887320,   -3.299532218312426900,  3.427441903227623800,   3.422401784294607700,   -0.108308165334010680,

        0.941943896490312180,   0.502609575000365850,   -0.537345278736373500,  2.088817392965764500,   -1.693168684143455700,  6.283185307179590700,   -0.392545884746175080,  0.327893095115825040,

        3.070147440456292300,   0.170611405884662230,   -0.275275082396073010,  -2.395492805446796300,  0.847311163536506600,   -3.845517018083148800,  2.055818378415868300,   4.672594161978930800,

        -1.990923030266425800,  2.469305197656249500,   3.609002606064021000,   -4.586736582331667500,  -4.147080139136136300,  1.643756718868359500,   -1.150866392366494800,  1.985805026477433800

};

void pause(unsigned int a)

{

  unsigned int i;

  for(i=a;i>0;i--);

}

void main()

{

   float diff;

   float a = M_PI_2;

   int i;

   int k=0xAA;

   int blockSize = 32;

        UART_InitTypeDef UART_InitStructure;

          UART_InitStructure.BaudRate = 38400; //set baudrate

      UART_InitStructure.TypeParity = 0x00000000; //parity control type

      UART_InitStructure.Parity = 0x00000000; //enable parity control

      UART_InitStructure.FlowControl = 0x00000000; //enable cts/rts

      UART_InitStructure.Mode = 0x00000003; //rx enable - 1 bit, tx enable - 2 bit (rx + tx en)

                GPIOB->BPS = 0x00000300;                 //alternative port function for uart0

                uart_init(UART0, &UART_InitStructure);

//                DM2UART(UART0, 0x00000000, 0x00000800);

while(1)

{

    GPIOB->DIR = ((uint32_t)0x60000000);

          GPIOB->OUT = ((uint32_t)0x60000000);

        for(i=0; i< blockSize; i++)

    {

                pause(400000);

diff = (sinf(testInput[i])*sinf(testInput[i]) + cosf(testInput[i])*cosf(testInput[i]) - 1.0f);

if(diff >0)

  if(diff<DELTA)

        UART_SEND_BYTE(k++, UART0);

  else

      UART_SEND_BYTE(0x00, UART0);

else

    if((-diff)<DELTA)

        UART_SEND_BYTE(k++, UART0); 

  else

      UART_SEND_BYTE(0x00, UART0); 

}

// if(sinf(a) > 0.9999999f)

// if(sinf(a) > 0.99999999f)

// if(sinf(a) > 0.99999994f)

//     UART_SEND_BYTE(0x12, UART0);

// else

//     UART_SEND_BYTE(0x34, UART0);

}                

}