124 lines
2 KiB
C
124 lines
2 KiB
C
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/*
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Dumps eeproms
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*/
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#include <stdio.h>
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#include <comedilib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <getopt.h>
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#include <ctype.h>
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#include <stdlib.h>
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extern int verbose_flag;
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extern int subdevice;
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extern int range;
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extern int channel;
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extern int aref;
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extern char *filename;
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comedi_t *device;
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int read_eeprom(comedi_t *it,unsigned int **eeprom);
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void dump_eeprom(unsigned int *eeprom,int len);
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int main(int argc, char *argv[])
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{
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lsampl_t data;
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int ret;
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int len;
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unsigned int *eeprom;
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parse_options(argc,argv);
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device=comedi_open(filename);
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if(!device){
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comedi_perror(filename);
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exit(0);
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}
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len=read_eeprom(device,&eeprom);
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dump_eeprom(eeprom,len);
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return 0;
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}
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int read_eeprom(comedi_t *it,unsigned int **eeprom)
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{
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unsigned int subd;
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unsigned int n,i,ret;
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lsampl_t data;
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unsigned int *ptr;
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lsampl_t maxdata;
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subd=comedi_find_subdevice_by_type(it,COMEDI_SUBD_MEMORY,0);
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if(subd<0){
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fprintf(stderr,"No memory subdevice\n");
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return 0;
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}
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n=comedi_get_n_channels(it,subd);
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maxdata=comedi_get_maxdata(it,subd,0);
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if(maxdata!=0xff){
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fprintf(stderr,"Memory subdevice has strange maxdata, aborting\n");
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}
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ptr=malloc(sizeof(unsigned int)*n);
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for(i=0;i<n;i++){
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ret=comedi_data_read(it,subd,i,0,0,&data);
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ptr[i]=data;
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if(ret<0){
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comedi_perror("comedi_data_read");
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return 0;
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}
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}
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*eeprom=ptr;
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return n;
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}
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void dump_eeprom(unsigned int *eeprom,int len)
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{
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int i, j, c;
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for (i = 0; i < len - 16; i+=16) {
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printf("%04x: ",i);
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for (j = 0; j < 16; j++) {
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printf("%02x", eeprom[i + j] & 0xff);
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}
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printf(" ");
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for (j = 0; j < 16; j++) {
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c = eeprom[i + j] & 0xff;
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printf("%c", isprint(c) ? c : '.');
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}
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printf("\n");
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}
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if(i==len)return;
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printf("%04x: ",i);
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for (j = 0; j < len-i; j++) {
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printf("%02x", eeprom[i + j] & 0xff);
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}
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for(;j<16;j++){
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printf(" ");
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}
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printf(" ");
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for (j = 0; j < len-i; j++) {
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c = eeprom[i + j] & 0xff;
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printf("%c", isprint(c) ? c : '.');
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}
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for(;j<16;j++){
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printf(" ");
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}
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printf("\n");
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}
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