e1aa93ffa
 larche
= Fram sample code
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include <ftw.h>
#include <string.h>
#define READ_SIZE 512
#define READ_BUF_LEN 2048
#define DEV_NAME "/sys/bus/spi/devices/spi0.0/fram"
int main(int argc, char ** argv)
{
char read_buffer[READ_SIZE]={0,};
char *device = NULL;
int i,j,k;
unsigned int fd;
unsigned int size;
device = argv[1];
if(argc < 3)
device = DEV_NAME;
fd = open (device, O_RDWR);
if(fd < 0)
{
fputs("Error
",stderr);
exit(1);
}
printf(" 0 1 2 3 4 5 6 7 8 9 A B C D E F");
for(i=0, k=0; i<4; i++)
{
size = read(fd, read_buffer, READ_SIZE);
for(j=0; j<READ_SIZE; j++)
{
if( !(k%16) )
printf("
%03X: ",k&(~0x1));
k++;
printf("%02X ",read_buffer[j]);
}
printf("
=====================================================
");
printf("ReadSize: %d
",size);
}
close(fd);
return 0;
}
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