Demo application for using the AT&T IoT Starter Kit Powered by AWS.
Dependencies: SDFileSystem
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IoT Starter Kit Powered by AWS Demo
This program demonstrates the AT&T IoT Starter Kit sending data directly into AWS IoT. It's explained and used in the Getting Started with the IoT Starter Kit Powered by AWS on starterkit.att.com.
What's required
- AT&T IoT LTE Add-on (also known as the Cellular Shield)
- NXP K64F - for programming
- microSD card - used to store your AWS security credentials
- AWS account
- Python, locally installed
If you don't already have an IoT Starter Kit, you can purchase a kit here. The IoT Starter Kit Powered by AWS includes the LTE cellular shield, K64F, and a microSD card.
AWS_openssl/aws_iot_src/utils/aws_iot_json_utils.cpp
- Committer:
- rfinn
- Date:
- 2017-02-07
- Revision:
- 27:2f486c766854
- Parent:
- 15:6f2798e45099
File content as of revision 27:2f486c766854:
/* * Copyright 2010-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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. */ /** * @file aws_json_utils.c * @brief Utilities for manipulating JSON * * json_utils provides JSON parsing utilities for use with the IoT SDK. * Underlying JSON parsing relies on the Jasmine JSON parser. * */ #include "aws_iot_json_utils.h" #include <stdio.h> #include <stdint.h> #include <inttypes.h> #include <string.h> #include "aws_iot_log.h" int8_t jsoneq(const char *json, jsmntok_t *tok, const char *s) { if (tok->type == JSMN_STRING) { if ((int) strlen(s) == tok->end - tok->start) { if (strncmp(json + tok->start, s, tok->end - tok->start) == 0) { return 0; } } } return -1; } IoT_Error_t parseUnsignedInteger32Value(uint32_t *i, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not an integer"); return JSON_PARSE_ERROR; } //if (1 != sscanf(jsonString + token->start, "%"PRIu32, i)) { if (1 != sscanf(jsonString + token->start, "%lu", i)) { WARN("Token was not an integer."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseUnsignedInteger16Value(uint16_t *i, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not an integer"); return JSON_PARSE_ERROR; } //if (1 != sscanf(jsonString + token->start, "%"PRIu16, i)) { if (1 != sscanf(jsonString + token->start, "%u", i)) { WARN("Token was not an integer."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseUnsignedInteger8Value(uint8_t *i, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not an integer"); return JSON_PARSE_ERROR; } //if (1 != sscanf(jsonString + token->start, "%"PRIu8, i)) { if (1 != sscanf(jsonString + token->start, "%u", i)) { WARN("Token was not an integer."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseInteger32Value(int32_t *i, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not an integer"); return JSON_PARSE_ERROR; } //if (1 != sscanf(jsonString + token->start, "%"PRIi32, i)) { if (1 != sscanf(jsonString + token->start, "%li", i)) { WARN("Token was not an integer."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseInteger16Value(int16_t *i, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not an integer"); return JSON_PARSE_ERROR; } //if (1 != sscanf(jsonString + token->start, "%"PRIi16, i)) { if (1 != sscanf(jsonString + token->start, "%i", i)) { WARN("Token was not an integer."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseInteger8Value(int8_t *i, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not an integer"); return JSON_PARSE_ERROR; } //if (1 != sscanf(jsonString + token->start, "%"PRIi8, i)) { if (1 != sscanf(jsonString + token->start, "%i", i)) { WARN("Token was not an integer."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseFloatValue(float *f, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not a float."); return JSON_PARSE_ERROR; } if (1 != sscanf(jsonString + token->start, "%f", f)) { WARN("Token was not a float."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseDoubleValue(double *d, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not a double."); return JSON_PARSE_ERROR; } if (1 != sscanf(jsonString + token->start, "%lf", d)) { WARN("Token was not a double."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseBooleanValue(bool *b, const char *jsonString, jsmntok_t *token) { if (token->type != JSMN_PRIMITIVE) { WARN("Token was not a primitive."); return JSON_PARSE_ERROR; } if (jsonString[token->start] == 't' && jsonString[token->start + 1] == 'r' && jsonString[token->start + 2] == 'u' && jsonString[token->start + 3] == 'e') { *b = true; } else if (jsonString[token->start] == 'f' && jsonString[token->start + 1] == 'a' && jsonString[token->start + 2] == 'l' && jsonString[token->start + 3] == 's' && jsonString[token->start + 4] == 'e') { *b = false; } else { WARN("Token was not a bool."); return JSON_PARSE_ERROR; } return NONE_ERROR; } IoT_Error_t parseStringValue(char *buf, const char *jsonString, jsmntok_t *token) { uint16_t size = 0; if (token->type != JSMN_STRING) { WARN("Token was not a string."); return JSON_PARSE_ERROR; } size = token->end - token->start; memcpy(buf, jsonString + token->start, size); buf[size] = '\0'; return NONE_ERROR; }