library

//*****************************************************************************
// File Name    : mmctest.c
// 
// Title                : example usage of mmc functions
// Revision             : 1.0
// Notes                :       
// Target MCU   : Atmel AVR series
// Editor Tabs  : 4
// 
// Revision History:
// When                 Who                     Description of change
// -----------  -----------     -----------------------
// 20-SEP-2004  pstang          Created the program
//*****************************************************************************


//----- Include Files ---------------------------------------------------------
#include <avr/io.h>                     // include I/O definitions (port names, pin names, etc)
#include <avr/interrupt.h>      // include interrupt support

#include "global.h"             // include our global settings
#include "uart.h"               // include uart function library
#include "rprintf.h"    // include printf function library
#include "timer.h"              // include timer function library (timing, PWM, etc)
#include "vt100.h"              // include VT100 terminal commands
#include "spi.h"                // include SPI interface functions
#include "mmc.h"                // include MMC card access functions
#include "debug.h"

void mmcTest(void);

//----- Begin Code ------------------------------------------------------------
int main(void)
{
        // initialize our libraries
        // initialize the UART (serial port)
        uartInit();
        uartSetBaudRate(115200);
        // make all rprintf statements use uart for output
        rprintfInit(uartSendByte);
        // initialize the timer system
        timerInit();
        // initialize vt100 terminal
        vt100Init();

        timerPause(100);

        // print welcome message
        vt100ClearScreen();
        vt100SetCursorPos(1,0);
        rprintfProgStrM("\r\nWelcome to the MMC Test Suite!\r\n");

        timerPause(1000);

        mmcTest();

        return 0;
}

void mmcTest(void)
{
        u32 sector=0;
        u08 buffer[0x200];
        int c;

        // initialize MMC interface
        mmcInit();

        // print new prompt
        rprintf("\r\ncmd>");

        // testing loop
        while(1)
        {
                // check for keypress
                if((c=uartGetByte()) != -1)
                {
                        switch(c)
                        {
                        case 'i':
                                // initialize card 
                                rprintf("\r\nResetting MMC/SD Card\r\n");
                                mmcReset();
                                break;
                        case 'r':
                                // read current sector into buffer
                                rprintf("\r\nRead Sector %d\r\n", sector);
                                mmcRead(sector, buffer);
                                // print buffer contents
                                debugPrintHexTable(0x200, buffer);
                                break;
                        case 'w':
                                // write current sector with data from buffer
                                rprintf("\r\nWrite Sector %d\r\n", sector);
                                mmcWrite(sector, buffer);
                                break;
                        // move to new sector
                        case '+': sector++;             rprintf("\r\nSector = %d", sector); break;
                        case '-': sector--;             rprintf("\r\nSector = %d", sector); break;
                        case '*': sector+=512;  rprintf("\r\nSector = %d", sector); break;
                        case '/': sector-=512;  rprintf("\r\nSector = %d", sector); break;
                        case '\r':
                        default:
                                break;
                        }
                        // print new prompt
                        rprintf("\r\ncmd>");
                }
        }

}