# libgram, the C companion for gram
-libgram is the C library for gram core initialization and memory testing.
+libgram is the C library for gram core initialization and calibration.
## HowTo
```
GRAM_ERR_NONE: No error happened (hardcoded to zero)
GRAM_ERR_UNDOCUMENTED: Undocumented error, shame on us lazy coders (take a look at the code)
+GRAM_ERR_RDLY_MAX: Read delay calibration unsuccessful because its value exceeds DQSBUFM's max
```
## Using libgram outside the SoC