MLBEDSW-3424: Expose API through separate file

All external APIs are now exposed by api.py.

Signed-off-by: Louis Verhaard <louis.verhaard@arm.com>
Change-Id: I33f480e424692ac30e9c7d791f583199f31164a7

1 files changed, 15 insertions, 0 deletions

diff --git a/ethosu/vela/architecture_features.py b/ethosu/vela/architecture_features.py
index 7b6c3bed..18846cfd 100644
--- a/ethosu/vela/architecture_features.py
+++ b/ethosu/vela/architecture_features.py
@@ -21,6 +21,7 @@ from configparser import ConfigParser
 
 import numpy as np
 
+from .api import NpuAccelerator
 from .errors import CliOptionError
 from .errors import ConfigOptionError
 from .ethos_u55_regs.ethos_u55_regs import resampling_mode
@@ -131,6 +132,20 @@ class Accelerator(enum.Enum):
     def member_list(cls):
         return [e.value for e in cls]
 
+    @classmethod
+    def from_npu_accelerator(cls, npu_accelerator: NpuAccelerator) -> "Accelerator":
+        """Converts the given public API object to Accelerator (used internally)"""
+        accelerator_map = {
+            NpuAccelerator.Ethos_U55_32: cls.Ethos_U55_32,
+            NpuAccelerator.Ethos_U55_64: cls.Ethos_U55_64,
+            NpuAccelerator.Ethos_U55_128: cls.Ethos_U55_128,
+            NpuAccelerator.Ethos_U55_256: cls.Ethos_U55_256,
+            NpuAccelerator.Ethos_U65_256: cls.Ethos_U65_256,
+            NpuAccelerator.Ethos_U65_512: cls.Ethos_U65_512,
+        }
+        assert npu_accelerator in accelerator_map, f"Unsupported accelerator {npu_accelerator}"
+        return accelerator_map[npu_accelerator]
+
 
 @enum.unique
 class MemPort(enum.Enum):