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| //MMC module connections
sbit Mmc_Chip_Select at LATC0_bit;
sbit Mmc_Chip_Select_Direction at TRISC0_bit;
// MMC module connections
// LCD configiration
sbit LCD_RS at LATB4_bit;
sbit LCD_EN at LATB5_bit;
sbit LCD_D7 at LATB3_bit;
sbit LCD_D6 at LATB2_bit;
sbit LCD_D5 at LATB1_bit;
sbit LCD_D4 at LATB0_bit;
sbit LCD_RS_Direction at TRISB4_bit;
sbit LCD_EN_Direction at TRISB5_bit;
sbit LCD_D7_Direction at TRISB3_bit;
sbit LCD_D6_Direction at TRISB2_bit;
sbit LCD_D5_Direction at TRISB1_bit;
sbit LCD_D4_Direction at TRISB0_bit;
//
unsigned int error1 , error2 ;
char filename[] = "myFile.txt" ;
unsigned char txt[] = "This is a test string\r\n" ;
char mmc_fat_label[] = "FAT16FORMAT";
void main() {
ANSELA = 0x00;
ANSELB = 0x00;
ANSELC = 0x00;
ANSELD = 0x00;
ANSELE = 0x00;
CM1CON0 = 0x00;
CM2CON0 = 0x00;
TRISA = 0xFF;
TRISB = 0x00;
TRISC = 0xC0;
TRISD = 0xC0;
TRISE = 0x08;
UART1_Init(9600);
Delay_ms(200);
UART_Write_Text("UART OK\r\n");
Lcd_Init();
Lcd_Cmd(_LCD_CLEAR); // Clear display
Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off
Lcd_Out(1,1,"Hello"); // on first row
Delay_ms(500);
LATD = 0xFF ;
Lcd_Out(2,1,"PORTD ON"); // on second row
Delay_ms(1000);
SPI1_Init();
SPI1_Init_Advanced(_SPI_MASTER_OSC_DIV64, _SPI_DATA_SAMPLE_MIDDLE, _SPI_CLK_IDLE_LOW, _SPI_LOW_2_HIGH);
UART_Write_Text("SPI Slow OK...\r\n");
error1 = MMC_Init();
while(error1 == 1) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"CARD NOT FOUND");
Lcd_Out(2,1,"Insert the CARD");
UART_Write_Text("Card Not Found...\r\n");
error1 = MMC_Init();
Delay_ms(2000);
}
UART_Write_Text("asdfgf...\r\n");
error1 = 2;
while(error1 != 0) {
error1 = Mmc_Fat_QuickFormat(&mmc_fat_label);
if (error1 == 0) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"Initialization");
Lcd_Out(2,1,"Succeed");
UART_Write_Text("SD Card Formatted and Initialized...\r\n");
}
else if(error1 == 1) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"Initialization");
Lcd_Out(2,1,"Failed");
UART_Write_Text("Initialization Failed...\r\n");
}
else if(error1 = 0xFF) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"SD Card not");
Lcd_Out(2,1,"detected");
UART_Write_Text("SD Card not detected...\r\n");
}
Delay_ms(2000);
}
error2 = 2;
while(error2 != 0) {
error2 = Mmc_Fat_init();
if (error2 == 0) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"Initialization");
Lcd_Out(2,1,"Succeed");
UART_Write_Text("SD Card Formatted and Initialized...\r\n");
}
else if(error2 == 1) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"Boot Sector");
Lcd_Out(2,1,"not found");
UART_Write_Text("Boot Sector not found...\r\n");
}
else if(error2 = 0xFF) {
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"SD Card not");
Lcd_Out(2,1,"detected");
UART_Write_Text("SD Card not detected...\r\n");
}
Delay_ms(2000);
}
if(error2 == 0) {
SPI1_Init_Advanced(_SPI_MASTER_OSC_DIV4, _SPI_DATA_SAMPLE_MIDDLE, _SPI_CLK_IDLE_LOW, _SPI_LOW_2_HIGH);
Mmc_Fat_Assign(filename, 0x80);
MMc_Fat_rewrite();
MMc_Fat_Write(txt , 8) ;
Lcd_Cmd(_LCD_CLEAR);
Lcd_Out(1,1,"Writing on SD OK");
UART_Write_Text("Writing on SD Card OK...\r\n");
}
UART_Write_Text("All Done\r\n");
while(1) {
;
}
} |