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Diffstat (limited to 'plugin/wrap_unicens.c')
| -rw-r--r-- | plugin/wrap_unicens.c | 174 |
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; +} |