main.c

Example of program, using COM port, for Evaluation Kit AT91SAM7A3, using USART0.

//*----------------------------------------------------------------------------
//*
//* Program:          COM Port Test Program for Sat. board control protocol
//* Designed by:      Elessar
//* CORE:             ARM 7
//*
//*
//*
//*
//*
//* 1.0 26/Jun/09 : Creation
//* 1.1 21/Feb/05 : Update
//*----------------------------------------------------------------------------
//*----------------------------------------------------------------------------
//*----------------------------------------------------------------------------
//* EXTERNAL HARDWARE SPECIFICATION:
//*----------------------------------------------------------------------------
//* COM - Port specification
//* Baud rate:      38400
//* Bits:           8
//* Start:          1
//* Stop:           1
//* Parity:         none
//*
//*----------------------------------------------------------------------------

//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

// Include Standard LIB  files
#include "Board.h"


//*   Waiting time between LED1 and LED2
#define     WAIT_TIME       MCK

#define M0             (1<<0)
#define M1             (1<<1)
#define M2             (1<<2)
#define M3             (1<<3)
#define M4             (1<<4)
#define M5             (1<<5)
#define M6             (1<<6)
#define M7             (1<<7)
#define M8             (1<<8)
#define M9             (1<<9)
#define M10            (1<<10)
#define M11            (1<<11)
#define M12            (1<<12)
#define M13            (1<<13)
#define M14            (1<<14)
#define M15            (1<<15)
#define M16            (1<<16)
#define M17            (1<<17)
#define M18            (1<<18)
#define M19            (1<<19)
#define M20            (1<<20)
#define M21            (1<<21)
#define M22            (1<<22)
#define M23            (1<<23)
#define M24            (1<<24)
#define M25            (1<<25)
#define M26            (1<<26)
#define M27            (1<<27)
#define M28            (1<<28)
#define M29            (1<<29)
#define M30            (1<<30)
#define M31            (1<<31)

#define USART_INTERRUPT_LEVEL		                7


#define AT91_BAUD_RATE				        (38400)
//#define AT91_BAUD_RATE				(38400/2)
#define BRD                                             (MCK/16/38400)


//* Global variable
int temp;
int temp2;
unsigned short int ARR_COL, ARR_ROW;
char ARRAY_auxiliary[3][20];
char MEMORY_DATA[2048];

struct _ControlSystem
{
  char                                  condition;      //ni
  char                                  current_command;
  unsigned short int                    number_of_bytes;
  unsigned int                          start_address;
  unsigned int                          current_address;
  unsigned int                          end_address;
  unsigned short int                    received_command_array_id;                    //array id, values 0-3
  char                                  data_counter;                                 //Command data counter, values 0x0-0xF;

  unsigned                              receiving_new_command:        1;
  unsigned                              new_command_recieved:         1;
  unsigned                              saving_data_flag:             1;
  unsigned                              data_was_saved:               1;
  unsigned                              loading_data_flag:            1;
  unsigned                              saving_data_permitted:        1;
} ControlReg;
// Use the Library Handler defined in file periph/pio/pio_irq/irq_pio.s


// External Function Prototype


//*----------------------------------------------------------------------------



void save_data_to_memory (char receiving_data)
{


//----------------------------------------------------------------------------
  //EN: this part of a program recieves command
  //RU: 蒡