Blynk example
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Blynk/BlynkParam.h@0:58b20b438383, 2016-05-07 (annotated)
- Committer:
- vshymanskyy
- Date:
- Sat May 07 08:02:50 2016 +0000
- Revision:
- 0:58b20b438383
- Child:
- 7:8879692d4e6c
First commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vshymanskyy | 0:58b20b438383 | 1 | /** |
vshymanskyy | 0:58b20b438383 | 2 | * @file BlynkParam.h |
vshymanskyy | 0:58b20b438383 | 3 | * @author Volodymyr Shymanskyy |
vshymanskyy | 0:58b20b438383 | 4 | * @license This project is released under the MIT License (MIT) |
vshymanskyy | 0:58b20b438383 | 5 | * @copyright Copyright (c) 2015 Volodymyr Shymanskyy |
vshymanskyy | 0:58b20b438383 | 6 | * @date Jan 2015 |
vshymanskyy | 0:58b20b438383 | 7 | * @brief Container for handler parameters |
vshymanskyy | 0:58b20b438383 | 8 | * |
vshymanskyy | 0:58b20b438383 | 9 | */ |
vshymanskyy | 0:58b20b438383 | 10 | |
vshymanskyy | 0:58b20b438383 | 11 | #ifndef BlynkParam_h |
vshymanskyy | 0:58b20b438383 | 12 | #define BlynkParam_h |
vshymanskyy | 0:58b20b438383 | 13 | |
vshymanskyy | 0:58b20b438383 | 14 | #include <string.h> |
vshymanskyy | 0:58b20b438383 | 15 | #include <stdlib.h> |
vshymanskyy | 0:58b20b438383 | 16 | #include <Blynk/BlynkConfig.h> |
vshymanskyy | 0:58b20b438383 | 17 | #include <Blynk/BlynkDebug.h> |
vshymanskyy | 0:58b20b438383 | 18 | |
vshymanskyy | 0:58b20b438383 | 19 | #define BLYNK_PARAM_KV(k, v) k "\0" v "\0" |
vshymanskyy | 0:58b20b438383 | 20 | |
vshymanskyy | 0:58b20b438383 | 21 | class BlynkParam |
vshymanskyy | 0:58b20b438383 | 22 | { |
vshymanskyy | 0:58b20b438383 | 23 | public: |
vshymanskyy | 0:58b20b438383 | 24 | class iterator |
vshymanskyy | 0:58b20b438383 | 25 | { |
vshymanskyy | 0:58b20b438383 | 26 | public: |
vshymanskyy | 0:58b20b438383 | 27 | iterator(char* c) : ptr(c) {} |
vshymanskyy | 0:58b20b438383 | 28 | static iterator invalid() { return iterator(NULL); } |
vshymanskyy | 0:58b20b438383 | 29 | |
vshymanskyy | 0:58b20b438383 | 30 | operator const char* () const { return asStr(); } |
vshymanskyy | 0:58b20b438383 | 31 | operator int () const { return asInt(); } |
vshymanskyy | 0:58b20b438383 | 32 | const char* asStr() const { return ptr; } |
vshymanskyy | 0:58b20b438383 | 33 | const char* asString() const { return ptr; } |
vshymanskyy | 0:58b20b438383 | 34 | int asInt() const { return atoi(ptr); } |
vshymanskyy | 0:58b20b438383 | 35 | long asLong() const { return atol(ptr); } |
vshymanskyy | 0:58b20b438383 | 36 | #ifndef BLYNK_NO_FLOAT |
vshymanskyy | 0:58b20b438383 | 37 | double asDouble() const { return atof(ptr); } |
vshymanskyy | 0:58b20b438383 | 38 | #endif |
vshymanskyy | 0:58b20b438383 | 39 | bool isValid() const { return ptr != NULL; } |
vshymanskyy | 0:58b20b438383 | 40 | |
vshymanskyy | 0:58b20b438383 | 41 | bool operator < (const iterator& it) const { return ptr < it.ptr; } |
vshymanskyy | 0:58b20b438383 | 42 | bool operator >= (const iterator& it) const { return ptr >= it.ptr; } |
vshymanskyy | 0:58b20b438383 | 43 | |
vshymanskyy | 0:58b20b438383 | 44 | iterator& operator ++() { |
vshymanskyy | 0:58b20b438383 | 45 | ptr += strlen(ptr)+1; |
vshymanskyy | 0:58b20b438383 | 46 | return *this; |
vshymanskyy | 0:58b20b438383 | 47 | } |
vshymanskyy | 0:58b20b438383 | 48 | private: |
vshymanskyy | 0:58b20b438383 | 49 | const char* ptr; |
vshymanskyy | 0:58b20b438383 | 50 | }; |
vshymanskyy | 0:58b20b438383 | 51 | |
vshymanskyy | 0:58b20b438383 | 52 | public: |
vshymanskyy | 0:58b20b438383 | 53 | explicit |
vshymanskyy | 0:58b20b438383 | 54 | BlynkParam(void* addr, size_t length) |
vshymanskyy | 0:58b20b438383 | 55 | : buff((char*)addr), len(length), buff_size(length) |
vshymanskyy | 0:58b20b438383 | 56 | {} |
vshymanskyy | 0:58b20b438383 | 57 | |
vshymanskyy | 0:58b20b438383 | 58 | explicit |
vshymanskyy | 0:58b20b438383 | 59 | BlynkParam(void* addr, size_t length, size_t buffsize) |
vshymanskyy | 0:58b20b438383 | 60 | : buff((char*)addr), len(length), buff_size(buffsize) |
vshymanskyy | 0:58b20b438383 | 61 | {} |
vshymanskyy | 0:58b20b438383 | 62 | |
vshymanskyy | 0:58b20b438383 | 63 | const char* asStr() const { return buff; } |
vshymanskyy | 0:58b20b438383 | 64 | const char* asString() const { return buff; } |
vshymanskyy | 0:58b20b438383 | 65 | int asInt() const { return atoi(buff); } |
vshymanskyy | 0:58b20b438383 | 66 | long asLong() const { return atol(buff); } |
vshymanskyy | 0:58b20b438383 | 67 | #ifndef BLYNK_NO_FLOAT |
vshymanskyy | 0:58b20b438383 | 68 | double asDouble() const { return atof(buff); } |
vshymanskyy | 0:58b20b438383 | 69 | #endif |
vshymanskyy | 0:58b20b438383 | 70 | |
vshymanskyy | 0:58b20b438383 | 71 | iterator begin() const { return iterator(buff); } |
vshymanskyy | 0:58b20b438383 | 72 | iterator end() const { return iterator(buff+len); } |
vshymanskyy | 0:58b20b438383 | 73 | |
vshymanskyy | 0:58b20b438383 | 74 | iterator operator[](int index) const; |
vshymanskyy | 0:58b20b438383 | 75 | iterator operator[](const char* key) const; |
vshymanskyy | 0:58b20b438383 | 76 | |
vshymanskyy | 0:58b20b438383 | 77 | void* getBuffer() const { return (void*)buff; } |
vshymanskyy | 0:58b20b438383 | 78 | size_t getLength() const { return len; } |
vshymanskyy | 0:58b20b438383 | 79 | |
vshymanskyy | 0:58b20b438383 | 80 | // Modification |
vshymanskyy | 0:58b20b438383 | 81 | void add(int value); |
vshymanskyy | 0:58b20b438383 | 82 | void add(unsigned int value); |
vshymanskyy | 0:58b20b438383 | 83 | void add(long value); |
vshymanskyy | 0:58b20b438383 | 84 | void add(unsigned long value); |
vshymanskyy | 0:58b20b438383 | 85 | #ifndef BLYNK_NO_FLOAT |
vshymanskyy | 0:58b20b438383 | 86 | void add(float value); |
vshymanskyy | 0:58b20b438383 | 87 | void add(double value); |
vshymanskyy | 0:58b20b438383 | 88 | #endif |
vshymanskyy | 0:58b20b438383 | 89 | void add(const char* str); |
vshymanskyy | 0:58b20b438383 | 90 | void add(const void* b, size_t l); |
vshymanskyy | 0:58b20b438383 | 91 | #if defined(ARDUINO) || defined(SPARK) || defined(PARTICLE) |
vshymanskyy | 0:58b20b438383 | 92 | void add(const String& str); |
vshymanskyy | 0:58b20b438383 | 93 | void add(String& str); |
vshymanskyy | 0:58b20b438383 | 94 | #endif |
vshymanskyy | 0:58b20b438383 | 95 | |
vshymanskyy | 0:58b20b438383 | 96 | template <typename TV> |
vshymanskyy | 0:58b20b438383 | 97 | void add_key(const char* key, const TV& val) { |
vshymanskyy | 0:58b20b438383 | 98 | add(key); |
vshymanskyy | 0:58b20b438383 | 99 | add(val); |
vshymanskyy | 0:58b20b438383 | 100 | } |
vshymanskyy | 0:58b20b438383 | 101 | |
vshymanskyy | 0:58b20b438383 | 102 | private: |
vshymanskyy | 0:58b20b438383 | 103 | char* buff; |
vshymanskyy | 0:58b20b438383 | 104 | size_t len; |
vshymanskyy | 0:58b20b438383 | 105 | size_t buff_size; |
vshymanskyy | 0:58b20b438383 | 106 | }; |
vshymanskyy | 0:58b20b438383 | 107 | |
vshymanskyy | 0:58b20b438383 | 108 | inline |
vshymanskyy | 0:58b20b438383 | 109 | BlynkParam::iterator BlynkParam::operator[](int index) const |
vshymanskyy | 0:58b20b438383 | 110 | { |
vshymanskyy | 0:58b20b438383 | 111 | const iterator e = end(); |
vshymanskyy | 0:58b20b438383 | 112 | for (iterator it = begin(); it < e; ++it) { |
vshymanskyy | 0:58b20b438383 | 113 | if (!index--) { |
vshymanskyy | 0:58b20b438383 | 114 | return it; |
vshymanskyy | 0:58b20b438383 | 115 | } |
vshymanskyy | 0:58b20b438383 | 116 | } |
vshymanskyy | 0:58b20b438383 | 117 | return iterator::invalid(); |
vshymanskyy | 0:58b20b438383 | 118 | } |
vshymanskyy | 0:58b20b438383 | 119 | |
vshymanskyy | 0:58b20b438383 | 120 | inline |
vshymanskyy | 0:58b20b438383 | 121 | BlynkParam::iterator BlynkParam::operator[](const char* key) const |
vshymanskyy | 0:58b20b438383 | 122 | { |
vshymanskyy | 0:58b20b438383 | 123 | const iterator e = end(); |
vshymanskyy | 0:58b20b438383 | 124 | for (iterator it = begin(); it < e; ++it) { |
vshymanskyy | 0:58b20b438383 | 125 | if (!strcmp(it.asStr(), key)) { |
vshymanskyy | 0:58b20b438383 | 126 | return ++it; |
vshymanskyy | 0:58b20b438383 | 127 | } |
vshymanskyy | 0:58b20b438383 | 128 | ++it; |
vshymanskyy | 0:58b20b438383 | 129 | if (it >= e) break; |
vshymanskyy | 0:58b20b438383 | 130 | } |
vshymanskyy | 0:58b20b438383 | 131 | return iterator::invalid(); |
vshymanskyy | 0:58b20b438383 | 132 | } |
vshymanskyy | 0:58b20b438383 | 133 | |
vshymanskyy | 0:58b20b438383 | 134 | inline |
vshymanskyy | 0:58b20b438383 | 135 | void BlynkParam::add(const void* b, size_t l) |
vshymanskyy | 0:58b20b438383 | 136 | { |
vshymanskyy | 0:58b20b438383 | 137 | if (len + l > buff_size) |
vshymanskyy | 0:58b20b438383 | 138 | return; |
vshymanskyy | 0:58b20b438383 | 139 | memcpy(buff+len, b, l); |
vshymanskyy | 0:58b20b438383 | 140 | len += l; |
vshymanskyy | 0:58b20b438383 | 141 | } |
vshymanskyy | 0:58b20b438383 | 142 | |
vshymanskyy | 0:58b20b438383 | 143 | inline |
vshymanskyy | 0:58b20b438383 | 144 | void BlynkParam::add(const char* str) |
vshymanskyy | 0:58b20b438383 | 145 | { |
vshymanskyy | 0:58b20b438383 | 146 | add(str, strlen(str)+1); |
vshymanskyy | 0:58b20b438383 | 147 | } |
vshymanskyy | 0:58b20b438383 | 148 | |
vshymanskyy | 0:58b20b438383 | 149 | #if defined(ARDUINO) || defined(SPARK) || defined(PARTICLE) |
vshymanskyy | 0:58b20b438383 | 150 | inline |
vshymanskyy | 0:58b20b438383 | 151 | void BlynkParam::add(const String& str) |
vshymanskyy | 0:58b20b438383 | 152 | { |
vshymanskyy | 0:58b20b438383 | 153 | size_t len = str.length()+1; |
vshymanskyy | 0:58b20b438383 | 154 | char buff[len]; |
vshymanskyy | 0:58b20b438383 | 155 | #if defined(ARDUINO_AVR_DIGISPARK) |
vshymanskyy | 0:58b20b438383 | 156 | const_cast<String&>(str).toCharArray(buff, len); |
vshymanskyy | 0:58b20b438383 | 157 | #else |
vshymanskyy | 0:58b20b438383 | 158 | str.toCharArray(buff, len); |
vshymanskyy | 0:58b20b438383 | 159 | #endif |
vshymanskyy | 0:58b20b438383 | 160 | BlynkParam::add(buff, len); |
vshymanskyy | 0:58b20b438383 | 161 | } |
vshymanskyy | 0:58b20b438383 | 162 | |
vshymanskyy | 0:58b20b438383 | 163 | inline |
vshymanskyy | 0:58b20b438383 | 164 | void BlynkParam::add(String& str) |
vshymanskyy | 0:58b20b438383 | 165 | { |
vshymanskyy | 0:58b20b438383 | 166 | size_t len = str.length()+1; |
vshymanskyy | 0:58b20b438383 | 167 | char buff[len]; |
vshymanskyy | 0:58b20b438383 | 168 | str.toCharArray(buff, len); |
vshymanskyy | 0:58b20b438383 | 169 | BlynkParam::add(buff, len); |
vshymanskyy | 0:58b20b438383 | 170 | } |
vshymanskyy | 0:58b20b438383 | 171 | #endif |
vshymanskyy | 0:58b20b438383 | 172 | |
vshymanskyy | 0:58b20b438383 | 173 | #if defined(__AVR__) || defined (ARDUINO_ARCH_ARC32) |
vshymanskyy | 0:58b20b438383 | 174 | |
vshymanskyy | 0:58b20b438383 | 175 | #include <stdlib.h> |
vshymanskyy | 0:58b20b438383 | 176 | |
vshymanskyy | 0:58b20b438383 | 177 | inline |
vshymanskyy | 0:58b20b438383 | 178 | void BlynkParam::add(int value) |
vshymanskyy | 0:58b20b438383 | 179 | { |
vshymanskyy | 0:58b20b438383 | 180 | char str[2 + 8 * sizeof(value)]; |
vshymanskyy | 0:58b20b438383 | 181 | itoa(value, str, 10); |
vshymanskyy | 0:58b20b438383 | 182 | add(str); |
vshymanskyy | 0:58b20b438383 | 183 | } |
vshymanskyy | 0:58b20b438383 | 184 | |
vshymanskyy | 0:58b20b438383 | 185 | inline |
vshymanskyy | 0:58b20b438383 | 186 | void BlynkParam::add(unsigned int value) |
vshymanskyy | 0:58b20b438383 | 187 | { |
vshymanskyy | 0:58b20b438383 | 188 | char str[1 + 8 * sizeof(value)]; |
vshymanskyy | 0:58b20b438383 | 189 | utoa(value, str, 10); |
vshymanskyy | 0:58b20b438383 | 190 | add(str); |
vshymanskyy | 0:58b20b438383 | 191 | } |
vshymanskyy | 0:58b20b438383 | 192 | |
vshymanskyy | 0:58b20b438383 | 193 | inline |
vshymanskyy | 0:58b20b438383 | 194 | void BlynkParam::add(long value) |
vshymanskyy | 0:58b20b438383 | 195 | { |
vshymanskyy | 0:58b20b438383 | 196 | char str[2 + 8 * sizeof(value)]; |
vshymanskyy | 0:58b20b438383 | 197 | ltoa(value, str, 10); |
vshymanskyy | 0:58b20b438383 | 198 | add(str); |
vshymanskyy | 0:58b20b438383 | 199 | } |
vshymanskyy | 0:58b20b438383 | 200 | |
vshymanskyy | 0:58b20b438383 | 201 | inline |
vshymanskyy | 0:58b20b438383 | 202 | void BlynkParam::add(unsigned long value) |
vshymanskyy | 0:58b20b438383 | 203 | { |
vshymanskyy | 0:58b20b438383 | 204 | char str[1 + 8 * sizeof(value)]; |
vshymanskyy | 0:58b20b438383 | 205 | ultoa(value, str, 10); |
vshymanskyy | 0:58b20b438383 | 206 | add(str); |
vshymanskyy | 0:58b20b438383 | 207 | } |
vshymanskyy | 0:58b20b438383 | 208 | |
vshymanskyy | 0:58b20b438383 | 209 | #ifndef BLYNK_NO_FLOAT |
vshymanskyy | 0:58b20b438383 | 210 | |
vshymanskyy | 0:58b20b438383 | 211 | inline |
vshymanskyy | 0:58b20b438383 | 212 | void BlynkParam::add(float value) |
vshymanskyy | 0:58b20b438383 | 213 | { |
vshymanskyy | 0:58b20b438383 | 214 | char str[33]; |
vshymanskyy | 0:58b20b438383 | 215 | dtostrf(value, 5, 3, str); |
vshymanskyy | 0:58b20b438383 | 216 | add(str); |
vshymanskyy | 0:58b20b438383 | 217 | } |
vshymanskyy | 0:58b20b438383 | 218 | |
vshymanskyy | 0:58b20b438383 | 219 | inline |
vshymanskyy | 0:58b20b438383 | 220 | void BlynkParam::add(double value) |
vshymanskyy | 0:58b20b438383 | 221 | { |
vshymanskyy | 0:58b20b438383 | 222 | char str[33]; |
vshymanskyy | 0:58b20b438383 | 223 | dtostrf(value, 5, 3, str); |
vshymanskyy | 0:58b20b438383 | 224 | add(str); |
vshymanskyy | 0:58b20b438383 | 225 | } |
vshymanskyy | 0:58b20b438383 | 226 | #endif |
vshymanskyy | 0:58b20b438383 | 227 | |
vshymanskyy | 0:58b20b438383 | 228 | #else |
vshymanskyy | 0:58b20b438383 | 229 | |
vshymanskyy | 0:58b20b438383 | 230 | #include <stdio.h> |
vshymanskyy | 0:58b20b438383 | 231 | |
vshymanskyy | 0:58b20b438383 | 232 | inline |
vshymanskyy | 0:58b20b438383 | 233 | void BlynkParam::add(int value) |
vshymanskyy | 0:58b20b438383 | 234 | { |
vshymanskyy | 0:58b20b438383 | 235 | len += snprintf(buff+len, buff_size-len, "%i", value)+1; |
vshymanskyy | 0:58b20b438383 | 236 | } |
vshymanskyy | 0:58b20b438383 | 237 | |
vshymanskyy | 0:58b20b438383 | 238 | inline |
vshymanskyy | 0:58b20b438383 | 239 | void BlynkParam::add(unsigned int value) |
vshymanskyy | 0:58b20b438383 | 240 | { |
vshymanskyy | 0:58b20b438383 | 241 | len += snprintf(buff+len, buff_size-len, "%u", value)+1; |
vshymanskyy | 0:58b20b438383 | 242 | } |
vshymanskyy | 0:58b20b438383 | 243 | |
vshymanskyy | 0:58b20b438383 | 244 | inline |
vshymanskyy | 0:58b20b438383 | 245 | void BlynkParam::add(long value) |
vshymanskyy | 0:58b20b438383 | 246 | { |
vshymanskyy | 0:58b20b438383 | 247 | len += snprintf(buff+len, buff_size-len, "%li", value)+1; |
vshymanskyy | 0:58b20b438383 | 248 | } |
vshymanskyy | 0:58b20b438383 | 249 | |
vshymanskyy | 0:58b20b438383 | 250 | inline |
vshymanskyy | 0:58b20b438383 | 251 | void BlynkParam::add(unsigned long value) |
vshymanskyy | 0:58b20b438383 | 252 | { |
vshymanskyy | 0:58b20b438383 | 253 | len += snprintf(buff+len, buff_size-len, "%lu", value)+1; |
vshymanskyy | 0:58b20b438383 | 254 | } |
vshymanskyy | 0:58b20b438383 | 255 | |
vshymanskyy | 0:58b20b438383 | 256 | #ifndef BLYNK_NO_FLOAT |
vshymanskyy | 0:58b20b438383 | 257 | |
vshymanskyy | 0:58b20b438383 | 258 | #if defined(ESP8266) |
vshymanskyy | 0:58b20b438383 | 259 | |
vshymanskyy | 0:58b20b438383 | 260 | extern char* dtostrf_internal(double number, signed char width, unsigned char prec, char *s); |
vshymanskyy | 0:58b20b438383 | 261 | |
vshymanskyy | 0:58b20b438383 | 262 | inline |
vshymanskyy | 0:58b20b438383 | 263 | void BlynkParam::add(float value) |
vshymanskyy | 0:58b20b438383 | 264 | { |
vshymanskyy | 0:58b20b438383 | 265 | char str[33]; |
vshymanskyy | 0:58b20b438383 | 266 | dtostrf_internal(value, 5, 3, str); |
vshymanskyy | 0:58b20b438383 | 267 | add(str); |
vshymanskyy | 0:58b20b438383 | 268 | } |
vshymanskyy | 0:58b20b438383 | 269 | |
vshymanskyy | 0:58b20b438383 | 270 | inline |
vshymanskyy | 0:58b20b438383 | 271 | void BlynkParam::add(double value) |
vshymanskyy | 0:58b20b438383 | 272 | { |
vshymanskyy | 0:58b20b438383 | 273 | char str[33]; |
vshymanskyy | 0:58b20b438383 | 274 | dtostrf_internal(value, 5, 3, str); |
vshymanskyy | 0:58b20b438383 | 275 | add(str); |
vshymanskyy | 0:58b20b438383 | 276 | } |
vshymanskyy | 0:58b20b438383 | 277 | |
vshymanskyy | 0:58b20b438383 | 278 | #else |
vshymanskyy | 0:58b20b438383 | 279 | |
vshymanskyy | 0:58b20b438383 | 280 | inline |
vshymanskyy | 0:58b20b438383 | 281 | void BlynkParam::add(float value) |
vshymanskyy | 0:58b20b438383 | 282 | { |
vshymanskyy | 0:58b20b438383 | 283 | len += snprintf(buff+len, buff_size-len, "%2.3f", value)+1; |
vshymanskyy | 0:58b20b438383 | 284 | } |
vshymanskyy | 0:58b20b438383 | 285 | |
vshymanskyy | 0:58b20b438383 | 286 | inline |
vshymanskyy | 0:58b20b438383 | 287 | void BlynkParam::add(double value) |
vshymanskyy | 0:58b20b438383 | 288 | { |
vshymanskyy | 0:58b20b438383 | 289 | len += snprintf(buff+len, buff_size-len, "%2.3f", value)+1; |
vshymanskyy | 0:58b20b438383 | 290 | } |
vshymanskyy | 0:58b20b438383 | 291 | |
vshymanskyy | 0:58b20b438383 | 292 | #endif |
vshymanskyy | 0:58b20b438383 | 293 | |
vshymanskyy | 0:58b20b438383 | 294 | #endif |
vshymanskyy | 0:58b20b438383 | 295 | |
vshymanskyy | 0:58b20b438383 | 296 | #endif |
vshymanskyy | 0:58b20b438383 | 297 | |
vshymanskyy | 0:58b20b438383 | 298 | |
vshymanskyy | 0:58b20b438383 | 299 | #endif |