Simple sample that demonstrates reading the FXOS8700CQ accelerometer, convert the data to JSON and send to an Azure IoT Hub.
Dependencies: azure_umqtt_c iothub_mqtt_transport mbed-rtos mbed wolfSSL Socket lwip-eth lwip-sys lwip
azure_c_shared_utility/urlencode.c@7:2564d95cbf81, 2017-04-25 (annotated)
- Committer:
- markrad
- Date:
- Tue Apr 25 01:33:13 2017 +0000
- Revision:
- 7:2564d95cbf81
- Parent:
- 3:c0556ff7b8e3
Fix bug in NTP library. Clean up code some.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
markrad | 3:c0556ff7b8e3 | 1 | // Copyright (c) Microsoft. All rights reserved. |
markrad | 3:c0556ff7b8e3 | 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information. |
markrad | 3:c0556ff7b8e3 | 3 | |
markrad | 3:c0556ff7b8e3 | 4 | // |
markrad | 3:c0556ff7b8e3 | 5 | // PUT NO INCLUDES BEFORE HERE !!!! |
markrad | 3:c0556ff7b8e3 | 6 | // |
markrad | 3:c0556ff7b8e3 | 7 | #include <stdlib.h> |
markrad | 3:c0556ff7b8e3 | 8 | #ifdef _CRTDBG_MAP_ALLOC |
markrad | 3:c0556ff7b8e3 | 9 | #include <crtdbg.h> |
markrad | 3:c0556ff7b8e3 | 10 | #endif |
markrad | 3:c0556ff7b8e3 | 11 | #include "azure_c_shared_utility/gballoc.h" |
markrad | 3:c0556ff7b8e3 | 12 | |
markrad | 3:c0556ff7b8e3 | 13 | #include <stddef.h> |
markrad | 3:c0556ff7b8e3 | 14 | #include <string.h> |
markrad | 3:c0556ff7b8e3 | 15 | // |
markrad | 3:c0556ff7b8e3 | 16 | // PUT NO CLIENT LIBRARY INCLUDES BEFORE HERE !!!! |
markrad | 3:c0556ff7b8e3 | 17 | // |
markrad | 3:c0556ff7b8e3 | 18 | #include "azure_c_shared_utility/urlencode.h" |
markrad | 3:c0556ff7b8e3 | 19 | #include "azure_c_shared_utility/xlogging.h" |
markrad | 3:c0556ff7b8e3 | 20 | #include "azure_c_shared_utility/strings.h" |
markrad | 3:c0556ff7b8e3 | 21 | |
markrad | 3:c0556ff7b8e3 | 22 | #define NIBBLE_STR(c) (char)(c < 10 ? c + '0' : c - 10 + 'a') |
markrad | 3:c0556ff7b8e3 | 23 | #define IS_PRINTABLE(c) ( \ |
markrad | 3:c0556ff7b8e3 | 24 | (c == 0) || \ |
markrad | 3:c0556ff7b8e3 | 25 | (c == '!') || \ |
markrad | 3:c0556ff7b8e3 | 26 | (c == '(') || (c == ')') || (c == '*') || \ |
markrad | 3:c0556ff7b8e3 | 27 | (c == '-') || (c == '.') || \ |
markrad | 3:c0556ff7b8e3 | 28 | ((c >= '0') && (c <= '9')) || \ |
markrad | 3:c0556ff7b8e3 | 29 | ((c >= 'A') && (c <= 'Z')) || \ |
markrad | 3:c0556ff7b8e3 | 30 | (c == '_') || \ |
markrad | 3:c0556ff7b8e3 | 31 | ((c >= 'a') && (c <= 'z')) \ |
markrad | 3:c0556ff7b8e3 | 32 | ) |
markrad | 3:c0556ff7b8e3 | 33 | |
markrad | 3:c0556ff7b8e3 | 34 | static size_t URL_PrintableChar(unsigned char charVal, char* buffer) |
markrad | 3:c0556ff7b8e3 | 35 | { |
markrad | 3:c0556ff7b8e3 | 36 | size_t size; |
markrad | 3:c0556ff7b8e3 | 37 | if (IS_PRINTABLE(charVal)) |
markrad | 3:c0556ff7b8e3 | 38 | { |
markrad | 3:c0556ff7b8e3 | 39 | buffer[0] = (char)charVal; |
markrad | 3:c0556ff7b8e3 | 40 | size = 1; |
markrad | 3:c0556ff7b8e3 | 41 | } |
markrad | 3:c0556ff7b8e3 | 42 | else |
markrad | 3:c0556ff7b8e3 | 43 | { |
markrad | 3:c0556ff7b8e3 | 44 | char bigNibbleStr; |
markrad | 3:c0556ff7b8e3 | 45 | char littleNibbleStr; |
markrad | 3:c0556ff7b8e3 | 46 | unsigned char bigNibbleVal = charVal >> 4; |
markrad | 3:c0556ff7b8e3 | 47 | unsigned char littleNibbleVal = charVal & 0x0F; |
markrad | 3:c0556ff7b8e3 | 48 | |
markrad | 3:c0556ff7b8e3 | 49 | if (bigNibbleVal >= 0x0C) |
markrad | 3:c0556ff7b8e3 | 50 | { |
markrad | 3:c0556ff7b8e3 | 51 | bigNibbleVal -= 0x04; |
markrad | 3:c0556ff7b8e3 | 52 | } |
markrad | 3:c0556ff7b8e3 | 53 | |
markrad | 3:c0556ff7b8e3 | 54 | bigNibbleStr = NIBBLE_STR(bigNibbleVal); |
markrad | 3:c0556ff7b8e3 | 55 | littleNibbleStr = NIBBLE_STR(littleNibbleVal); |
markrad | 3:c0556ff7b8e3 | 56 | |
markrad | 3:c0556ff7b8e3 | 57 | buffer[0] = '%'; |
markrad | 3:c0556ff7b8e3 | 58 | |
markrad | 3:c0556ff7b8e3 | 59 | if (charVal < 0x80) |
markrad | 3:c0556ff7b8e3 | 60 | { |
markrad | 3:c0556ff7b8e3 | 61 | buffer[1] = bigNibbleStr; |
markrad | 3:c0556ff7b8e3 | 62 | buffer[2] = littleNibbleStr; |
markrad | 3:c0556ff7b8e3 | 63 | size = 3; |
markrad | 3:c0556ff7b8e3 | 64 | } |
markrad | 3:c0556ff7b8e3 | 65 | else |
markrad | 3:c0556ff7b8e3 | 66 | { |
markrad | 3:c0556ff7b8e3 | 67 | buffer[1] = 'c'; |
markrad | 3:c0556ff7b8e3 | 68 | buffer[3] = '%'; |
markrad | 3:c0556ff7b8e3 | 69 | buffer[4] = bigNibbleStr; |
markrad | 3:c0556ff7b8e3 | 70 | buffer[5] = littleNibbleStr; |
markrad | 3:c0556ff7b8e3 | 71 | if (charVal < 0xC0) |
markrad | 3:c0556ff7b8e3 | 72 | { |
markrad | 3:c0556ff7b8e3 | 73 | buffer[2] = '2'; |
markrad | 3:c0556ff7b8e3 | 74 | } |
markrad | 3:c0556ff7b8e3 | 75 | else |
markrad | 3:c0556ff7b8e3 | 76 | { |
markrad | 3:c0556ff7b8e3 | 77 | buffer[2] = '3'; |
markrad | 3:c0556ff7b8e3 | 78 | } |
markrad | 3:c0556ff7b8e3 | 79 | size = 6; |
markrad | 3:c0556ff7b8e3 | 80 | } |
markrad | 3:c0556ff7b8e3 | 81 | } |
markrad | 3:c0556ff7b8e3 | 82 | |
markrad | 3:c0556ff7b8e3 | 83 | return size; |
markrad | 3:c0556ff7b8e3 | 84 | } |
markrad | 3:c0556ff7b8e3 | 85 | |
markrad | 3:c0556ff7b8e3 | 86 | static size_t URL_PrintableCharSize(unsigned char charVal) |
markrad | 3:c0556ff7b8e3 | 87 | { |
markrad | 3:c0556ff7b8e3 | 88 | size_t size; |
markrad | 3:c0556ff7b8e3 | 89 | if (IS_PRINTABLE(charVal)) |
markrad | 3:c0556ff7b8e3 | 90 | { |
markrad | 3:c0556ff7b8e3 | 91 | size = 1; |
markrad | 3:c0556ff7b8e3 | 92 | } |
markrad | 3:c0556ff7b8e3 | 93 | else |
markrad | 3:c0556ff7b8e3 | 94 | { |
markrad | 3:c0556ff7b8e3 | 95 | if (charVal < 0x80) |
markrad | 3:c0556ff7b8e3 | 96 | { |
markrad | 3:c0556ff7b8e3 | 97 | size = 3; |
markrad | 3:c0556ff7b8e3 | 98 | } |
markrad | 3:c0556ff7b8e3 | 99 | else |
markrad | 3:c0556ff7b8e3 | 100 | { |
markrad | 3:c0556ff7b8e3 | 101 | size = 6; |
markrad | 3:c0556ff7b8e3 | 102 | } |
markrad | 3:c0556ff7b8e3 | 103 | } |
markrad | 3:c0556ff7b8e3 | 104 | return size; |
markrad | 3:c0556ff7b8e3 | 105 | } |
markrad | 3:c0556ff7b8e3 | 106 | |
markrad | 3:c0556ff7b8e3 | 107 | STRING_HANDLE URL_EncodeString(const char* textEncode) |
markrad | 3:c0556ff7b8e3 | 108 | { |
markrad | 3:c0556ff7b8e3 | 109 | STRING_HANDLE result; |
markrad | 3:c0556ff7b8e3 | 110 | if (textEncode == NULL) |
markrad | 3:c0556ff7b8e3 | 111 | { |
markrad | 3:c0556ff7b8e3 | 112 | result = NULL; |
markrad | 3:c0556ff7b8e3 | 113 | } |
markrad | 3:c0556ff7b8e3 | 114 | else |
markrad | 3:c0556ff7b8e3 | 115 | { |
markrad | 3:c0556ff7b8e3 | 116 | STRING_HANDLE tempString = STRING_construct(textEncode); |
markrad | 3:c0556ff7b8e3 | 117 | if (tempString == NULL) |
markrad | 3:c0556ff7b8e3 | 118 | { |
markrad | 3:c0556ff7b8e3 | 119 | result = NULL; |
markrad | 3:c0556ff7b8e3 | 120 | } |
markrad | 3:c0556ff7b8e3 | 121 | else |
markrad | 3:c0556ff7b8e3 | 122 | { |
markrad | 3:c0556ff7b8e3 | 123 | result = URL_Encode(tempString); |
markrad | 3:c0556ff7b8e3 | 124 | STRING_delete(tempString); |
markrad | 3:c0556ff7b8e3 | 125 | } |
markrad | 3:c0556ff7b8e3 | 126 | } |
markrad | 3:c0556ff7b8e3 | 127 | return result; |
markrad | 3:c0556ff7b8e3 | 128 | } |
markrad | 3:c0556ff7b8e3 | 129 | |
markrad | 3:c0556ff7b8e3 | 130 | STRING_HANDLE URL_Encode(STRING_HANDLE input) |
markrad | 3:c0556ff7b8e3 | 131 | { |
markrad | 3:c0556ff7b8e3 | 132 | STRING_HANDLE result; |
markrad | 3:c0556ff7b8e3 | 133 | if (input == NULL) |
markrad | 3:c0556ff7b8e3 | 134 | { |
markrad | 3:c0556ff7b8e3 | 135 | /*Codes_SRS_URL_ENCODE_06_001: [If input is NULL then URL_Encode will return NULL.]*/ |
markrad | 3:c0556ff7b8e3 | 136 | result = NULL; |
markrad | 3:c0556ff7b8e3 | 137 | LogError("URL_Encode:: NULL input"); |
markrad | 3:c0556ff7b8e3 | 138 | } |
markrad | 3:c0556ff7b8e3 | 139 | else |
markrad | 3:c0556ff7b8e3 | 140 | { |
markrad | 3:c0556ff7b8e3 | 141 | size_t lengthOfResult = 0; |
markrad | 3:c0556ff7b8e3 | 142 | char* encodedURL; |
markrad | 3:c0556ff7b8e3 | 143 | const char* currentInput; |
markrad | 3:c0556ff7b8e3 | 144 | unsigned char currentUnsignedChar; |
markrad | 3:c0556ff7b8e3 | 145 | currentInput = STRING_c_str(input); |
markrad | 3:c0556ff7b8e3 | 146 | /*Codes_SRS_URL_ENCODE_06_003: [If input is a zero length string then URL_Encode will return a zero length string.]*/ |
markrad | 3:c0556ff7b8e3 | 147 | do |
markrad | 3:c0556ff7b8e3 | 148 | { |
markrad | 3:c0556ff7b8e3 | 149 | currentUnsignedChar = (unsigned char)(*currentInput++); |
markrad | 3:c0556ff7b8e3 | 150 | lengthOfResult += URL_PrintableCharSize(currentUnsignedChar); |
markrad | 3:c0556ff7b8e3 | 151 | } while (currentUnsignedChar != 0); |
markrad | 3:c0556ff7b8e3 | 152 | if ((encodedURL = malloc(lengthOfResult)) == NULL) |
markrad | 3:c0556ff7b8e3 | 153 | { |
markrad | 3:c0556ff7b8e3 | 154 | /*Codes_SRS_URL_ENCODE_06_002: [If an error occurs during the encoding of input then URL_Encode will return NULL.]*/ |
markrad | 3:c0556ff7b8e3 | 155 | result = NULL; |
markrad | 3:c0556ff7b8e3 | 156 | LogError("URL_Encode:: MALLOC failure on encode."); |
markrad | 3:c0556ff7b8e3 | 157 | } |
markrad | 3:c0556ff7b8e3 | 158 | else |
markrad | 3:c0556ff7b8e3 | 159 | { |
markrad | 3:c0556ff7b8e3 | 160 | size_t currentEncodePosition = 0; |
markrad | 3:c0556ff7b8e3 | 161 | currentInput = STRING_c_str(input); |
markrad | 3:c0556ff7b8e3 | 162 | do |
markrad | 3:c0556ff7b8e3 | 163 | { |
markrad | 3:c0556ff7b8e3 | 164 | currentUnsignedChar = (unsigned char)(*currentInput++); |
markrad | 3:c0556ff7b8e3 | 165 | currentEncodePosition += URL_PrintableChar(currentUnsignedChar, &encodedURL[currentEncodePosition]); |
markrad | 3:c0556ff7b8e3 | 166 | } while (currentUnsignedChar != 0); |
markrad | 3:c0556ff7b8e3 | 167 | |
markrad | 3:c0556ff7b8e3 | 168 | result = STRING_new_with_memory(encodedURL); |
markrad | 3:c0556ff7b8e3 | 169 | if (result == NULL) |
markrad | 3:c0556ff7b8e3 | 170 | { |
markrad | 3:c0556ff7b8e3 | 171 | LogError("URL_Encode:: MALLOC failure on encode."); |
markrad | 3:c0556ff7b8e3 | 172 | free(encodedURL); |
markrad | 3:c0556ff7b8e3 | 173 | } |
markrad | 3:c0556ff7b8e3 | 174 | } |
markrad | 3:c0556ff7b8e3 | 175 | } |
markrad | 3:c0556ff7b8e3 | 176 | return result; |
markrad | 3:c0556ff7b8e3 | 177 | } |