Cypress Semiconductor CY8C21534 Especificações descarregar pdf (Página 54)

Program Code - Communication MCU Program

//-------------------------------------------------------------

// Metropolia University of Applied Sciences

// Marcel Mushik 24 April 2011

// Final year project - Electronic class schedule

// Code: Communication MCU program

//-------------------------------------------------------------

// Include files ----------------------------------------------

Appendix 2

4(15)

#include <m8c.h> // part specific constants and macros

#include "PSoCAPI.h" // PSoC API definitions for all User Modules

#include <stdlib.h>

// Global variables -------------------------------------------

int i = 0; int j = 0;

int k = 0;

int size;

int file_size = 512;

int file_size_partial;

int sectors = 0;

BYTE Rdata = 0xAC;

BYTE file[5] = {0x66, 0x69, 0x6C, 0x65, 0x31};

BYTE number_of_sectors[2];

BYTE data_size[3];

BYTE fat[20] = {0xF8, 0xFF, 0xFF, 0x7F, 0x03, 0x00, 0x04, 0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00,

0x08, 0x00, 0x09, 0x00, 0xFF, 0xFF};

BYTE directory[64] = {0x54, 0x48, 0x45, 0x53, 0x49, 0x53, 0x20, 0x20, 0x20, 0x20, 0x20, 0x08, 0x00,

0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x72, 0x86, 0x9E, 0x3D, 0x00, 0x00, 0x00, 0x00,

0x00, 0x00, 0x46, 0x49, 0x4C, 0x45, 0x20, 0x20, 0x20, 0x20, 0x4A, 0x50, 0x47, 0x20, 0x18, 0x30, 0xA9,

0x86, 0x9E, 0x3D, 0x9E, 0x3D, 0x00, 0x00, 0x9A, 0x92, 0x66, 0x3D, 0x02, 0x00, 0x25, 0x03, 0x00,

0x00};

// Declarations --------------------------------------

void card_initialize(void);

void CS_toggle(void);

void write_data_init(BYTE, BYTE, BYTE, BYTE);

void write_data_raw(BYTE);

void write_data_fill(int);

void write_CRC(void); void

stop_token(void); void

start_token(void);

void debug(BYTE);

// Function description----------------------------------------

// Main function. Receives button selection from Control MCU.

// Opens connection with WiFly, sends request. //

Recieves data and writes file to SD card.

void main(void)

{

M8C_EnableGInt;

SD_SS_Start();

SD_SS_Switch(1);

Debug_SS_Start();

Debug_SS_Switch(1);

MCU_fin_sig_Start();

MCU_fin_sig_Switch(0);

WiFly_pwr_Start();

Enables global interrupts

Makes ready SD_SS for operation

Sets SD_SS high, not enabled

Makes ready Debug_SS for operation

Sets Debug_SS high, not enabled

Makes ready MCU_fin_sig for operation

Sets MCU_fin_sig low, not finished

Makes ready WiFly_pwr for operation

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