examples remove math.h and replace pow(2, x) by 1 << x

This commit is contained in:
Philippe Teuwen 2012-05-17 07:40:29 +00:00
parent 90f41b245e
commit 8418ac96e6
3 changed files with 3 additions and 5 deletions

View file

@ -19,7 +19,6 @@
#include <err.h> #include <err.h>
#include <errno.h> #include <errno.h>
#include <math.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

View file

@ -283,7 +283,7 @@ main(int argc, char *argv[])
0x00 // free write acces 0x00 // free write acces
}; };
uint16_t ndefmaxsize = 0x0800; uint16_t ndefmaxsize = 0x0800;
uint16_t announcedsize = 2 << ((info.software.storage_size >> 1) - 1); uint16_t announcedsize = 1 << (info.software.storage_size >> 1);
if (announcedsize >= 0x1000) if (announcedsize >= 0x1000)
ndefmaxsize = 0x1000; ndefmaxsize = 0x1000;
if (announcedsize >= 0x1E00) if (announcedsize >= 0x1E00)

View file

@ -19,7 +19,6 @@
#include <err.h> #include <err.h>
#include <errno.h> #include <errno.h>
#include <math.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -92,14 +91,14 @@ main(int argc, char *argv[])
printf (" Type: 0x%02x\n", info.hardware.type); printf (" Type: 0x%02x\n", info.hardware.type);
printf (" Subtype: 0x%02x\n", info.hardware.subtype); printf (" Subtype: 0x%02x\n", info.hardware.subtype);
printf (" Version: %d.%d\n", info.hardware.version_major, info.hardware.version_minor); printf (" Version: %d.%d\n", info.hardware.version_major, info.hardware.version_minor);
printf (" Storage size: 0x%02x (%s%d bytes)\n", info.hardware.storage_size, (info.hardware.storage_size & 1) ? ">" : "=", (int)pow (2, info.hardware.storage_size >> 1)); printf (" Storage size: 0x%02x (%s%d bytes)\n", info.hardware.storage_size, (info.hardware.storage_size & 1) ? ">" : "=", 1 << (info.hardware.storage_size >> 1));
printf (" Protocol: 0x%02x\n", info.hardware.protocol); printf (" Protocol: 0x%02x\n", info.hardware.protocol);
printf ("Software Information:\n"); printf ("Software Information:\n");
printf (" Vendor ID: 0x%02x\n", info.software.vendor_id); printf (" Vendor ID: 0x%02x\n", info.software.vendor_id);
printf (" Type: 0x%02x\n", info.software.type); printf (" Type: 0x%02x\n", info.software.type);
printf (" Subtype: 0x%02x\n", info.software.subtype); printf (" Subtype: 0x%02x\n", info.software.subtype);
printf (" Version: %d.%d\n", info.software.version_major, info.software.version_minor); printf (" Version: %d.%d\n", info.software.version_major, info.software.version_minor);
printf (" Storage size: 0x%02x (%s%d bytes)\n", info.software.storage_size, (info.software.storage_size & 1) ? ">" : "=", (int)pow (2, info.software.storage_size >> 1)); printf (" Storage size: 0x%02x (%s%d bytes)\n", info.software.storage_size, (info.software.storage_size & 1) ? ">" : "=", 1 << (info.software.storage_size >> 1));
printf (" Protocol: 0x%02x\n", info.software.protocol); printf (" Protocol: 0x%02x\n", info.software.protocol);
uint8_t settings; uint8_t settings;