Skip to content

Commit

Permalink
Adjust Swissbit fields to spec
Browse files Browse the repository at this point in the history 
Convert char arrays to strings or
integers, following the spec.

Integers are in Big Endian order,
so add a nwordbe_to_int func to mimic
nword_to_int but for BE instead of LE.
  • Loading branch information
@speed47
speed47 committed Jan 23, 2025
1 parent 9a49b1c commit 49c9a27
Showing 1 changed file with 32 additions and 17 deletions.
49 changes: 32 additions & 17 deletions src/sdmon.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -147,8 +147,10 @@ void dump_data_block(char *lba_block_data) {
return;
}

// convert Big Endian ordered bytes to int
int bytes_to_int(unsigned char byte1, unsigned char byte2, unsigned char byte3, unsigned char byte4) { return (byte1 << 24) | (byte2 << 16) | (byte3 << 8) | byte4; }

// convert Little Endian words to int
int nword_to_int(unsigned char *data, int offset, int size) {
if (size == 4) {
return ((data[offset + 3] << 24) | (data[offset + 2] << 16) | (data[offset + 1] << 8) | data[offset]);
Expand All @@ -160,6 +162,18 @@ int nword_to_int(unsigned char *data, int offset, int size) {
}
}

// convert Big Endian words to int
int nwordbe_to_int(unsigned char *data, int offset, int size) {
if (size == 4) {
return ((data[offset] << 24) | (data[offset + 1] << 16) | (data[offset + 2] << 8) | data[offset + 3]);
} else if (size == 8) {
return (((long long)data[offset] << 56) | ((long long)data[offset + 1] << 48) | ((long long)data[offset + 2] << 40) | ((long long)data[offset + 3] << 32) |
((long long)data[offset + 4] << 24) | ((long long)data[offset + 5] << 16) | ((long long)data[offset + 6] << 8) | (long long)data[offset + 7]);
} else {
return -1;
}
}

int main(int argc, const char *argv[]) {
int fd;
const char *device;
Expand Down Expand Up @@ -405,15 +419,16 @@ int main(int argc, const char *argv[]) {

if (data_in[0] == 0x53 && data_in[1] == 0x77) {
printf("\"Swissbit\":\"true\",\n");
printf("\"fwVersion\": [%c,%c,%c,%c,%c,%c,%c,%c,%c,%c,%c,%c,%c,%c,%c,%c],\n", data_in[32], data_in[33], data_in[34], data_in[35], data_in[36], data_in[37], data_in[38], data_in[39], data_in[40],
data_in[41], data_in[42], data_in[43], data_in[44], data_in[45], data_in[46], data_in[47]); // show char
printf("\"User area rated cycles\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[48], data_in[49], data_in[50], data_in[51]);
printf("\"User area max cycle cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[52], data_in[53], data_in[54], data_in[55]);
printf("\"User area total cycle cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[56], data_in[57], data_in[58], data_in[59]);
printf("\"User area average cycle cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[60], data_in[61], data_in[62], data_in[63]);
printf("\"System area max cycle cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[68], data_in[69], data_in[70], data_in[71]);
printf("\"System area total cycle cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[72], data_in[73], data_in[74], data_in[75]);
printf("\"System area average cycle cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[76], data_in[77], data_in[78], data_in[79]);
strncpy(tmpstr, (char *)&data_in[32], 16);
tmpstr[16] = 0;
printf("\"fwVersion\": \"%s\",\n", tmpstr);
printf("\"User area rated cycles\": %d,\n", nwordbe_to_int(data_in, 48, 4));
printf("\"User area max cycle cnt\": %d,\n", nwordbe_to_int(data_in, 52, 4));
printf("\"User area total cycle cnt\": %d,\n", nwordbe_to_int(data_in, 56, 4));
printf("\"User area average cycle cnt\": %d,\n", nwordbe_to_int(data_in, 60, 4));
printf("\"System area max cycle cnt\": %d,\n", nwordbe_to_int(data_in, 68, 4));
printf("\"System area total cycle cnt\": %d,\n", nwordbe_to_int(data_in, 72, 4));
printf("\"System area average cycle cnt\": %d,\n", nwordbe_to_int(data_in, 76, 4));
printf("\"Remaining Lifetime Percent\": %d%%,\n", (int)(data_in[80]));
switch (data_in[86]) {
case 0x00:
Expand Down Expand Up @@ -446,14 +461,14 @@ int main(int argc, const char *argv[]) {
printf("\"Bus width\": 4 bits\n");
break;
}
printf("\"User area spare blocks cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[88], data_in[89], data_in[90], data_in[91]);
printf("\"System area spare blocks cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[92], data_in[93], data_in[94], data_in[95]);
printf("\"User area runtime bad blocks cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[96], data_in[97], data_in[98], data_in[99]);
printf("\"System area runtime bad blocks cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[100], data_in[101], data_in[102], data_in[103]);
printf("\"User area refresh cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[104], data_in[105], data_in[106], data_in[107]);
printf("\"System area refresh cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[108], data_in[109], data_in[110], data_in[111]);
printf("\"Interface crc cnt\": [\"0x%02x\",\"0x%02x\",\"0x%02x\",\"0x%02x\"],\n", data_in[112], data_in[113], data_in[114], data_in[115]);
printf("\"Power cycle cnt\": [\"%d\",\"%d\",\"%d\",\"%d\"],\n", data_in[116], data_in[117], data_in[118], data_in[119]);
printf("\"User area spare blocks cnt\": %d,\n", nwordbe_to_int(data_in, 88, 4));
printf("\"System area spare blocks cnt\": %d,\n", nwordbe_to_int(data_in, 92, 4));
printf("\"User area runtime bad blocks cnt\": %d,\n", nwordbe_to_int(data_in, 96, 4));
printf("\"System area runtime bad blocks cnt\": %d,\n", nwordbe_to_int(data_in, 100, 4));
printf("\"User area refresh cnt\": %d,\n", nwordbe_to_int(data_in, 104, 4));
printf("\"System area refresh cnt\": %d,\n", nwordbe_to_int(data_in, 108, 4));
printf("\"Interface crc cnt\": %d,\n", nwordbe_to_int(data_in, 112, 4));
printf("\"Power cycle cnt\": %d,\n", nwordbe_to_int(data_in, 116, 4));
close(fd);
printf("\"success\":true\n}\n");
exit(0);
Expand Down

0 comments on commit 49c9a27

Please sign in to comment.