[syntax=c]#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <string.h>
#include <avr/delay.h>
#include "FatFS/ff.h"
#include "FatFS/diskio.h"
#include "FatFS/rtc.h"
#include "LCD/lcd44780.h"
#define SDP (1<<PB0)
#define SD_ON PORTB &= ~SDP
#define SD_OFF PORTB |= SDP
#define SDP_DIR DDRB
#define CD (1<<PB2)
#define CD_PIN PINB
#define SD_SLOT_EMPTY (CD_PIN & CD)
DWORD acc_size;/* Work register for fs command */
WORD acc_files, acc_dirs;
FILINFO Finfo;
#if _USE_LFN
char Lfname[_MAX_LFN+1];
#endif
//char Line[128];/* Console input buffer */
FATFS Fatfs;/* File system object for each logical drive */
//BYTE Buff[256];/* Working buffer */
uint8_t buf[256];
volatile WORD Timer;/* 100Hz increment timer */
volatile uint8_t timer;
#if _MULTI_PARTITION != 0
const PARTITION Drives[] = { {0,0}, {0,1} };
#endif
/*---------------------------------------------------------*/
/* 100Hz timer interrupt generated by OC2 */
/*---------------------------------------------------------*/
ISR(TIMER2_COMP_vect)
{
static uint8_t m;
m = timer;
if(m) timer = --m;
Timer++;/* Performance counter for this module */
disk_timerproc();/* Drive timer procedure of low level disk I/O module */
}
/*---------------------------------------------------------*/
/* User Provided Timer Function for FatFs module */
/*---------------------------------------------------------*/
/* This is a real time clock service to be called from */
/* FatFs module. Any valid time must be returned even if */
/* the system does not support a real time clock. */
/* This is not required in read-only configuration. */
DWORD get_fattime ()
{
static RTC rtc;
/* Get local time */
//rtc_gettime(&rtc);
rtc.year = 2010;
rtc.month = 10;
rtc.mday = 21;
rtc.hour = 17;
rtc.min = 45;
rtc.sec = 0;
/* Pack date and time into a DWORD variable */
return ((DWORD)(rtc.year - 1980) << 25)
| ((DWORD)rtc.month << 21)
| ((DWORD)rtc.mday << 16)
| ((DWORD)rtc.hour << 11)
| ((DWORD)rtc.min << 5)
| ((DWORD)rtc.sec >> 1);
}
/*--------------------------------------------------------------------------*/
static
void IoInit ()
{
//PORTA = 0b11111111;// Port A
PORTB = 0b11111111; // Port B
DDRB = 0b10000001;
TCCR2 |= (1<<WGM21);
OCR2 = (F_CPU/1024UL/100UL);
TCCR2 |= (1<<CS22)|(1<<CS21)|(1<<CS20);
TIMSK |= (1<<OCIE2);
//rtc_init();// Initialize RTC
sei();
}
void sd_pwr( uint8_t OnOff ) {
if(OnOff) {
SD_ON;
PORTB |= (1<<PB4);
PORTB |= (1<<PB6); // podciągamy wejcie MISO do VCC
SPCR |= (1<<SPE)|(1<<MSTR);
_delay_ms(150);
//disk_initialize(0);
} else {
SPCR &= ~(1<<SPE);
PORTB &= ~((1<<PB7)|(1<<PB6)|(1<<PB5));
SD_OFF;
_delay_ms(150);
}
}
/*-----------------------------------------------------------------------*/
/* Main */
int main (void)
{
//DDRA |= (1<<PA7);
//PORTA |= (1<<PA7);
lcd_init();
lcd_LED(1);
lcd_str("start");
UINT s1;//, s2, cnt;
RTC rtc;
rtc.year = 2010;
rtc.month = 10;
rtc.mday = 21;
rtc.hour = 17;
rtc.min = 45;
rtc.sec = 0;
//FATFS *fs;
DIR dir;/* Directory object */
FIL file1;//, file2;/* File object */
IoInit();
#if _USE_LFN
Finfo.lfname = Lfname;
Finfo.lfsize = sizeof(Lfname);
#endif
#define SCK PB7
#define MISO PB6
#define MOSI PB5
#define CS PB4
DDRB |= (1<<CS)|(1<<MOSI)|(1<<SCK);
PORTB |= (1<<CS);
PORTB |= (1<<MISO); // podciągamy wejcie MISO do VCC
SPCR |= (1<<SPE)|(1<<MSTR);
uint8_t j = 0;
while(1){
sd_pwr(0);// wyłączamy zasilanie karty SD
if( SD_SLOT_EMPTY ){
//wdt_reset();
continue;// jeśli karta niewykryta powrót na początek while(1)
}
//_delay_ms(1300);
sd_pwr(1);
_delay_ms(150);
lcd_int(disk_initialize(0));
_delay_ms(150);
lcd_str(" ");
lcd_int(f_mount(0, &Fatfs));
lcd_str(" ");
//lcd_int(f_readdir(&dir, &Finfo));
lcd_int(f_opendir(&dir, ""));
lcd_str(" ");
lcd_int((f_readdir(&dir, &Finfo))&& Finfo.fname[0]);
lcd_str(" ");
lcd_str(Finfo.fname );
lcd_int(f_open(&file1, Finfo.fname, FA_READ));
lcd_str(" ");
lcd_int(f_lseek(&file1,j++));
lcd_str(" ");
lcd_int(f_read(&file1,&buf[0],64 , &s1));
lcd_str(" ");
_delay_ms(1000);
lcd_cls();
for(uint8_t i = 0; i<64; i++){
lcd_int(buf[i]);
lcd_str(" ");
_delay_ms(100);
}
_delay_ms(1300);
}
}[/syntax]
może trzeba coś w bibliotece przestawić proszę o jakiekolwiek sugestię co może być nie tak.
Statystyki: Napisane przez tonygryps — 15 kwi 2018, o 12:40
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