\nThis can be essential if using a 32bit Arduino and needing a 16bit varaible or for any code which needs to be sure what size and int variable is\n<\/p>\n
\r\n\r\n#include <stdint.h>\r\n<\/code><\/pre>\n\nbool\n<\/p>\n
\nboolean\n<\/p>\n
\nchar\n<\/p>\n
\n-128 to 127\n<\/p>\n
\nbyte\n<\/p>\n
\n0 to 255\n<\/p>\n
\nshort\n<\/p>\n
\nunsigned short\n<\/p>\n
\nint\n<\/p>\n
\nunsigned int\n<\/p>\n
\nlong\n<\/p>\n
\nunsigned long\n<\/p>\n
\nlong long\n<\/p>\n
\nunsigned long long\n<\/p>\n
\nfloat\n<\/p>\n
\ndouble\n<\/p>\n
\nint8_t\n<\/p>\n
\n-128 to 127\n<\/p>\n
\nuint8_t\n<\/p>\n
\n0 to 255\n<\/p>\n
\nint16_t\n<\/p>\n
\n-32,768 to 32,767\n<\/p>\n
\nuint16_t\n<\/p>\n
\n0 to 65,535\n<\/p>\n
\nint32_t\n<\/p>\n
\n-2,147,483,648 to 2,147,483,647\n<\/p>\n
\nuint32_t\n<\/p>\n
\n0 to 4,294,967,295\n<\/p>\n
\nint64_t\n<\/p>\n
\n−9,223,372,036,854,775,808 to 9,223,372,036,854,775,807\n<\/p>\n
\nuint64_t\n<\/p>\n
\n0 to 18,446,744,073,709,551,615\n<\/p>\n
\nHandy Typedefs To Use
\n<\/h4>\n\r\n\r\n#include <stdint.h>\r\ntypedef bool BOOL;\r\ntypedef uint8_t BYTE;\r\ntypedef int8_t INT8;\r\ntypedef uint8_t UNINT8;\r\ntypedef int16_t INT16;\r\ntypedef uint16_t UINT16;\r\ntypedef int32_t INT32;\r\ntypedef uint32_t UNINT32;\r\ntypedef int64_t INT64;\r\ntypedef uint64_t UINT64;\r\n<\/code><\/pre>\n\n \n<\/p>\n
\nDisplay Memory Size Of All C Types
\n<\/h4>\n\r\n\r\n#include <stdint.h>\r\n\r\nvoid setup() {\r\n Serial.begin(9600);\r\n}\r\n\r\nvoid loop() {\r\n Serial.print("sizeof(byte)=");\r\n Serial.println(sizeof(byte));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(char)=");\r\n Serial.println(sizeof(char));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(short)=");\r\n Serial.println(sizeof(short));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(int)=");\r\n Serial.println(sizeof(int));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(long)=");\r\n Serial.println(sizeof(long));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(long long)=");\r\n Serial.println(sizeof(long long));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(bool)=");\r\n Serial.println(sizeof(bool));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(boolean)=");\r\n Serial.println(sizeof(boolean));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(float)=");\r\n Serial.println(sizeof(float));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(double)=");\r\n Serial.println(sizeof(double));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(int8_t)=");\r\n Serial.println(sizeof(int8_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(int16_t)=");\r\n Serial.println(sizeof(int16_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(int32_t)=");\r\n Serial.println(sizeof(int32_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(int64_t)=");\r\n Serial.println(sizeof(int64_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(uint8_t)=");\r\n Serial.println(sizeof(uint8_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(uint16_t)=");\r\n Serial.println(sizeof(uint16_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(uint32_t)=");\r\n Serial.println(sizeof(uint32_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(uint64_t)=");\r\n Serial.println(sizeof(uint64_t));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(char*)=");\r\n Serial.println(sizeof(char*));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(int*)=");\r\n Serial.println(sizeof(int*));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(long*)=");\r\n Serial.println(sizeof(long*));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(float*)=");\r\n Serial.println(sizeof(float*));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(double*)=");\r\n Serial.println(sizeof(double*));\r\n Serial.println();\r\n \r\n Serial.print("sizeof(void*)=");\r\n Serial.println(sizeof(void*));\r\n Serial.println();\r\n \r\n while (1)\r\n delay(10000);\r\n}\r\n<\/code><\/pre>\n\n <\/p>\n","protected":false},"excerpt":{"rendered":"
Using C Standard Variable Types This can be essential if using a 32bit Arduino and needing a 16bit varaible or for any code which needs to be sure what size and int variable is #include <stdint.h> bool boolean char -128 to 127 byte 0 to 255 short unsigned short int unsigned int long unsigned long long […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","hentry","category-memory"],"_links":{"self":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/comments?post=33"}],"version-history":[{"count":10,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/33\/revisions"}],"predecessor-version":[{"id":98,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/posts\/33\/revisions\/98"}],"wp:attachment":[{"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/media?parent=33"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/categories?post=33"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arduino-developer.com\/arduino\/wp-json\/wp\/v2\/tags?post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}