adds HAL for MOST/UNICENS

2 files changed, 95 insertions, 0 deletions

diff --git a/HAL-afb/hal-most-unicens/CMakeLists.txt b/HAL-afb/hal-most-unicens/CMakeLists.txt
new file mode 100644
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--- /dev/null
+++ b/HAL-afb/hal-most-unicens/CMakeLists.txt
@@ -0,0 +1,42 @@
+###########################################################################
+# Copyright 2015, 2016, 2017 IoT.bzh
+#
+# author: Fulup Ar Foll <fulup@iot.bzh>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+###########################################################################
+
+
+# Add target to project dependency list
+PROJECT_TARGET_ADD(hal-most-unicens)
+
+    # Define project Targets
+    ADD_LIBRARY(hal-most-unicens MODULE hal_most_unicens.c)
+
+    # Binder exposes a unique public entry point
+    SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
+	PREFIX "afb-"
+        LABELS "BINDING"
+	LINK_FLAGS  ${BINDINGS_LINK_FLAG}
+        OUTPUT_NAME ${TARGET_NAME}
+    )
+
+    # Library dependencies (include updates automatically)
+    TARGET_LINK_LIBRARIES(${TARGET_NAME} 
+        hal-interface
+        audio-interface
+    )
+
+    # installation directory
+    INSTALL(TARGETS ${TARGET_NAME}
+        LIBRARY DESTINATION ${BINDINGS_INSTALL_DIR})
\ No newline at end of file
diff --git a/HAL-afb/hal-most-unicens/hal_most_unicens.c b/HAL-afb/hal-most-unicens/hal_most_unicens.c
new file mode 100644
index 0000000..a98906c
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+++ b/HAL-afb/hal-most-unicens/hal_most_unicens.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2017, Microchip Technology Inc. and its subsidiaries.
+ * Author Tobias Jahnke
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ */
+#define _GNU_SOURCE 
+#include "hal-interface.h"
+#include "audio-interface.h" 
+
+/* declare ALSA mixer controls */
+STATIC alsaHalMapT  alsaHalMap[]= { 
+  { .tag=Master_Playback_Volume, .ctl={.name="Master Playback Volume" } },
+  { .tag=Master_OnOff_Switch   , .ctl={.name="Master Playback Switch" } },
+  { .tag=PCM_Playback_Volume   , .ctl={.name="PCM Playback Volume"    } },
+  { .tag=EndHalCrlTag}              /* marker for end of the array */
+} ;
+
+/* HAL sound card mapping info */
+STATIC alsaHalSndCardT alsaHalSndCard  = {
+    .name  = "Microchip MOST:1",   /*  WARNING: name MUST match with 'aplay -l' */
+    .info  = "HAL for MICROCHIP MOST sound card controlled by UNICENS binding",
+    .ctls  = alsaHalMap,
+    .volumeCB = NULL,               /* use default volume normalization function */
+};
+
+
+STATIC int sndServiceInit () {
+    int err;
+    AFB_DEBUG ("Initializing HAL-MOST-UNICENS-BINDING");
+    
+    err = halServiceInit (afbBindingV2.api, &alsaHalSndCard);
+    return err;
+}
+
+// API prefix should be unique for each snd card
+PUBLIC const struct afb_binding_v2 afbBindingV2 = {
+    .api     = "hal-most-unicens",
+    .init    = sndServiceInit,
+    .verbs   = halServiceApi,
+    .onevent = halServiceEvent,
+};