#include "config.h"
#include "include/spi_drv.h"


void spi_write_string (Byte* string_a) {
  Byte i=0;
  while (string_a[i]!= 0) {
    Spi_write_data(string_a[i]);
    Spi_wait_eot(); /* wait until transmission is done */
    i++;
  }
}

void spi_read_bytes (Byte* buffer_a, Byte length_a) {
  Byte i=0;
  while (i < length_a) {
    Spi_write_dummy();
    Spi_wait_eor(); /* wait until last receive is done */
    buffer_a[i] = Spi_read_data();
    i++;
  }
}

void spi_write_and_read_bytes (Byte* write_buf_a, Byte* read_buf_a, Byte length_a) {
  Byte i=0;
  while (i < length_a) {
    Spi_write_data(write_buf_a[i]);
    Spi_wait_eot(); /* wait until transmission is done */
    read_buf_a[i] = Spi_read_data();
    i++;
  }
}

/*
   Set the SPI controller priority interrupt
*/
void spi_set_prio (Byte priority) {
  /* set LSB priority bit */
  if ((priority == 1) || (priority == 3))
  {
    IPL1 |=  MSK_ESPI;
  }

  /* set MSB priority bit */
  if ((priority == 2) || (priority == 3))
  {
    IPH1 |= MSK_ESPI;
  }
}