User manual

302
mikoC PRO for PIC32
MikroElektronika
Library Example
The following example writes 512 bytes at sector no.620, and then reads the data and sends it over UART1 for
a visual check. Hardware congurations in this example are made for the LV-32MX v6 development system and
PIC32MX460F512L.
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// set compact ash pinout
char Cf_Data_Port at PORTE;
sbit CF_RDY at RD7_bit;
sbit CF_WE at LATD6_bit; // for writing to output pin always use latch
sbit CF_OE at LATD5_bit; // for writing to output pin always use latch
sbit CF_CD1 at RD4_bit;
sbit CF_CE1 at LATD3_bit; // for writing to output pin always use latch
sbit CF_A2 at LATD2_bit; // for writing to output pin always use latch
sbit CF_A1 at LATD1_bit; // for writing to output pin always use latch
sbit CF_A0 at LATD0_bit; // for writing to output pin always use latch
sbit CF_RDY_direction at TRISD7_bit;
sbit CF_WE_direction at TRISD6_bit;
sbit CF_OE_direction at TRISD5_bit;
sbit CF_CD1_direction at TRISD4_bit;
sbit CF_CE1_direction at TRISD3_bit;
sbit CF_A2_direction at TRISD2_bit;
sbit CF_A1_direction at TRISD1_bit;
sbit CF_A0_direction at TRISD0_bit;
// end of cf pinout
const LINE_LEN = 39;
char err_txt[20] = “FAT16 not found”;
char le_contents[LINE_LEN] = “XX CF FAT16 library by Anton Rieckert\n”;
char lename[14] = “MIKRO00x.TXT”; // File names
unsigned short loop, loop2;
unsigned long i, size;
char Buffer[512];
// UART1 write text and new line (carriage return + line feed)
void UART1_Write_Line(char *uart_text) {
UART1_Write_Text(uart_text);
UART1_Write(13);
UART1_Write(10);
}
// Creates new le and writes some data to it
void M_Create_New_File() {
lename[7] = ‘A’;
Cf_Fat_Set_File_Date(2005,6,21,10,35,0); // Set le date & time info
Cf_Fat_Assign(&lename, 0xA0); // Find existing le or create a new one
Cf_Fat_Rewrite(); // To clear le and start with new data
for(loop = 1; loop <= 99; loop++) {
UART1_Write(‘.’);
le_contents[0] = loop / 10 + 48;
le_contents[1] = loop % 10 + 48;