Add basic source and configuration files

Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com>

1 files changed, 174 insertions, 0 deletions

diff --git a/plugin/wrap_unicens.c b/plugin/wrap_unicens.c
new file mode 100644
index 0000000..1b9a913
--- /dev/null
+++ b/plugin/wrap_unicens.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2018, "IoT.bzh", Microchip Technology Inc. and its subsidiaries.
+ * Author Jonathan Aillet
+ * Author Tobias Jahnke
+ * Contrib Fulup Ar Foll
+ *
+ * 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 <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <wrap-json.h>
+
+#include <ctl-plugin.h>
+
+#include "wrap_unicens.h"
+
+typedef struct async_job_ {
+	wrap_ucs_result_cb_t result_fptr;
+	void *result_user_ptr;
+} async_job_t;
+
+typedef struct parse_result_ {
+	int done;
+	char *str_result;
+} parse_result_t;
+
+/*
+ * Subscribes to unicens2-binding events.
+ * \return	Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_subscribe_sync(AFB_ApiT apiHandle)
+{
+	int err;
+
+	json_object *j_response, *j_query = NULL;
+
+	/* Build an empty JSON object */
+	if((err = wrap_json_pack(&j_query, "{}"))) {
+		AFB_ApiError(apiHandle, "Failed to create subscribe json object");
+		return err;
+	}
+
+	if((err = AFB_ServiceSync(apiHandle, "UNICENS", "subscribe", j_query, &j_response))) {
+		AFB_ApiError(apiHandle, "Fail subscribing to UNICENS events");
+		return err;
+	}
+	else {
+		AFB_ApiNotice(apiHandle, "Subscribed to UNICENS events, res=%s", json_object_to_json_string(j_response));
+		json_object_put(j_response);
+	}
+
+	return 0;
+}
+
+/*
+ * Write I2C command to a network node.
+ * \param	node	Node address
+ * \param	ata_ptr Reference to command data
+ * \param 	data_sz	Size of the command data. Valid values: 1..32.
+ * \return	Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_i2cwrite_sync(AFB_ApiT apiHandle, uint16_t node, uint8_t *data_ptr, uint8_t data_sz)
+{
+	int err;
+	uint8_t cnt;
+
+	json_object *j_response, *j_query, *j_array = NULL;
+
+	j_query = json_object_new_object();
+	j_array = json_object_new_array();
+
+	if(! j_query || ! j_array) {
+		AFB_ApiError(apiHandle, "Failed to create writei2c json objects");
+		return -1;
+	}
+
+	for(cnt = 0U; cnt < data_sz; cnt++)
+		json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
+
+	json_object_object_add(j_query, "node", json_object_new_int(node));
+	json_object_object_add(j_query, "data", j_array);
+
+	if((err = AFB_ServiceSync(apiHandle, "UNICENS", "writei2c", j_query, &j_response))) {
+		AFB_ApiError(apiHandle, "Failed to call writei2c_sync");
+		return err;
+	}
+	else {
+		AFB_ApiInfo(apiHandle, "Called writei2c_sync, res=%s", json_object_to_json_string(j_response));
+		json_object_put(j_response);
+	}
+
+	return 0;
+}
+
+/* ---------------------------- ASYNCHRONOUS API ---------------------------- */
+
+static void wrap_ucs_i2cwrite_cb(void *closure, int status, struct json_object *j_result, AFB_ApiT apiHandle)
+{
+	async_job_t *job_ptr;
+
+	AFB_ApiInfo(apiHandle, "%s: closure=%p status=%d, res=%s", __func__, closure, status, json_object_to_json_string(j_result));
+
+	if(closure) {
+		job_ptr = (async_job_t *) closure;
+
+		if(job_ptr->result_fptr)
+			job_ptr->result_fptr((uint8_t) abs(status), job_ptr->result_user_ptr);
+
+		free(closure);
+	}
+}
+
+/*
+ * Write I2C command to a network node.
+ * \param	node		Node address
+ * \param	data_ptr	Reference to command data
+ * \param	data_sz		Size of the command data. Valid values: 1..32.
+ * \return	Returns 0 if successful, otherwise != 0".
+ */
+extern int wrap_ucs_i2cwrite(uint16_t node,
+			     uint8_t *data_ptr,
+			     uint8_t data_sz,
+			     wrap_ucs_result_cb_t result_fptr,
+			     void *result_user_ptr)
+{
+	uint8_t cnt;
+
+	json_object *j_query, *j_array = NULL;
+	async_job_t *job_ptr = NULL;
+
+	j_query = json_object_new_object();
+	j_array = json_object_new_array();
+
+	if(! j_query || ! j_array) {
+		AFB_ApiError(unicensHalApiHandle, "Failed to create writei2c json objects");
+		return -1;
+	}
+
+	for(cnt = 0U; cnt < data_sz; cnt++)
+		json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
+
+	json_object_object_add(j_query, "node", json_object_new_int(node));
+	json_object_object_add(j_query, "data", j_array);
+
+	job_ptr = malloc(sizeof(async_job_t));
+
+	if(! job_ptr) {
+		AFB_ApiError(unicensHalApiHandle, "Failed to create async job object");
+		json_object_put(j_query);
+		return -2;
+	}
+
+	job_ptr->result_fptr = result_fptr;
+	job_ptr->result_user_ptr = result_user_ptr;
+
+	AFB_ServiceCall(unicensHalApiHandle, "UNICENS", "writei2c", j_query, wrap_ucs_i2cwrite_cb, job_ptr);
+	return 0;
+}