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Merge pull request #36 from speed47/swissbit
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Adjust Swissbit fields to spec
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@Ognian
Ognian authored Jan 24, 2025
2 parents ce947b5 + 49c9a27 commit 8a74ad2
Showing 1 changed file with 32 additions and 17 deletions.
49 changes: 32 additions & 17 deletions src/sdmon.c
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Original file line number Diff line number Diff line change
Expand Up @@ -154,8 +154,10 @@ 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 @@ -167,6 +169,18 @@ 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 @@ -417,15 +431,16 @@ 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 @@ -458,14 +473,14 @@ 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

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