k32w1: fix TLS handshaking

Double the OPENTHREAD_CONFIG_HEAP_INTERNAL_SIZE (to 16k) so that TLS handshaking succeeds. A smaller size will cause the process to fail with memory allocation error (MBEDTLS_ERR_MPI_ALLOC_FAILED -0x0010) Signed-off-by: George Stefan <[email protected]>
NXP · Nov 22, 2023 · a926e80 · a926e80
1 parent 6527338
commit a926e80
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/k32w1/k32w1/openthread-core-k32w1-config.h b/src/k32w1/k32w1/openthread-core-k32w1-config.h
@@ -121,9 +121,12 @@
  *
  * The size of heap buffer when DTLS is enabled.
  *
+ * From this pool, memory is allocated during TLS handshaking and commissioning.
+ * A smaller size will cause the process to fail with memory allocation error.
+ *
  */
 #ifndef OPENTHREAD_CONFIG_HEAP_INTERNAL_SIZE
-#define OPENTHREAD_CONFIG_HEAP_INTERNAL_SIZE (2048 * sizeof(void *))
+#define OPENTHREAD_CONFIG_HEAP_INTERNAL_SIZE (4096 * sizeof(void *))
 #endif
 
 /**