Files
arduino-examples/data_types/datatypes.cpp
2021-08-05 13:24:20 +09:00

510 lines
9.8 KiB
C++

#include "Arduino.h"
#include "datatypes.h"
#define INT8_CHAR_BUFF_SIZE 21
#define DECIMAL_PLACE 6
/*
바이트 배열을 역순으로
*/
void array_reverse(byte array[], unsigned int len, byte result[]){
for (int i=0; i<len;i++){
result[i] = array[len-1-i];
}
}
/*
캐릭터 배열을 역순으로.
len번째 요소에 널문자가 삽입됨.
*/
void char_array_reverse(char array[], unsigned int len, char result[]){
for (int i=0; i<len;i++){
result[i] = array[len-1-i];
}
result[len]='\0';
}
/*
바이트 배열을 16진 문자열로.
*/
String array_to_string(byte array[], unsigned int len){
char result[len*2+1];
for (unsigned int i = 0; i < len; i++) {
byte nib1 = (array[i] >> 4) & 0x0F;
byte nib2 = (array[i] >> 0) & 0x0F;
result[i * 2 + 0] = nib1 < 0xA ? '0' + nib1 : 'A' + nib1 - 0xA;
result[i * 2 + 1] = nib2 < 0xA ? '0' + nib2 : 'A' + nib2 - 0xA;
}
result[len * 2] = '\0';
return String(result);
}
/*
* IEEE double procision을 single precision으로 변환.
*
* https://github.com/RobTillaart/Arduino/blob/master/libraries/IEEE754tools/IEEE754tools.h
*/
Float4 conv_double_to_float(byte array[]){
Float4 fl;
Float8 dbl;
for (int i=0; i<8; i++){
//dbl.bytes[i] = array[i];
dbl.bytes[i] = array[7-i];
}
int exponent = dbl.p.exponent-1023 +127; // exponent adjust
// TODO check exponent overflow.
if (exponent >=0 || exponent <= 255) {
fl.p.sign = dbl.p.sign;
fl.p.exponent = exponent;
fl.p.mentissa = dbl.p.mentissa; // note this one clips the mantisse
return fl;
}
return fl; // error
}
Float4 conv_double_to_float(Float8 val){
byte temp[8];
array_reverse(val.bytes, 8, temp);
return conv_double_to_float(temp);
}
// to String =====================================================================
String toString(Int1 value){
return String((int)value.value);
}
String toString(UInt1 value){
return String(value.value);
}
String toString(Int2 value){
return String(value.value);
}
String toString(UInt2 value){
return String(value.value);
}
String toString(Int4 value){
return String(value.value);
}
String toString(UInt4 value){
return String(value.value);
}
String toString(Int8 value){
int m;
int i=0;
long long tmp = value.value;
char buff[INT8_CHAR_BUFF_SIZE], rev_buff[INT8_CHAR_BUFF_SIZE];
bool isMinus = tmp<0;
if (isMinus){
// 값이 음수인 경우,
// 문자열에 부호를 추가하고, -1을 곱해서 양수로 만든 다음 나머지 작업을 한다.
// 부호 추가는 맨 뒤에.
tmp *=-1;
}
while (tmp/10>0) {
m = tmp%10;
buff[i]=(char)(m+0x30);
tmp /= 10;
i++;
}
buff[i]=(char)(tmp+0x30);
if (isMinus){
i++;
buff[i] = '-'; // 부호를 추가
}
//buff[i+1] = '\0';
//char arr[i+1];
char_array_reverse(buff, i+1, rev_buff);
rev_buff[i+1] = '\0';
return String(rev_buff);
}
String toString(UInt8 value){
int m;
int i=0;
unsigned long long tmp = value.value;
char buff[INT8_CHAR_BUFF_SIZE], rev_buff[INT8_CHAR_BUFF_SIZE];
while (tmp/10>0) {
m = tmp%10;
buff[i]=(char)(m+0x30);
tmp /= 10;
i++;
}
buff[i]=(char)(tmp+0x30);
//buff[i+1] = '\0';
//char arr[i+1];
char_array_reverse(buff, i+1, rev_buff);
rev_buff[i+1] = '\0';
return String(rev_buff);
}
String toString(Float4 value){
return toString(value, DECIMAL_PLACE);
}
String toString(Float4 value, int decimalPlace){
return String(value.value, decimalPlace);
}
//String toString(Float8 value){
// return toString(value, DECIMAL_PLACE);
//}
//String toString(Float8 value, int decimalPlace){
// return String(value.value, decimalPlace);
//}
// to HEX String ===============================================================================
String toHexString(Int1 value){
return array_to_string(value.bytes, 1);
}
String toHexString(UInt1 value){
return array_to_string(value.bytes, 1);
}
String toHexString(Int2 value){
byte rev_arr[2];
array_reverse(value.bytes, 2, rev_arr);
return array_to_string(rev_arr, 2);
}
String toHexString(UInt2 value){
byte rev_arr[2];
array_reverse(value.bytes, 2, rev_arr);
return array_to_string(rev_arr, 2);
}
String toHexString(Int4 value){
byte rev_arr[4];
array_reverse(value.bytes, 4, rev_arr);
return array_to_string(rev_arr, 4);
}
String toHexString(UInt4 value){
byte rev_arr[4];
array_reverse(value.bytes, 4, rev_arr);
return array_to_string(rev_arr, 4);
}
String toHexString(Int8 value){
byte rev_arr[8];
array_reverse(value.bytes, 8, rev_arr);
return array_to_string(rev_arr, 8);
}
String toHexString(UInt8 value){
byte rev_arr[8];
array_reverse(value.bytes, 8, rev_arr);
return array_to_string(rev_arr, 8);
}
String toHexString(Float4 value){
byte rev_arr[4];
array_reverse(value.bytes, 4, rev_arr);
return array_to_string(rev_arr, 4);
}
//String toHexString(Float8 value){
// byte rev_arr[8];
// array_reverse(value.bytes, 8, rev_arr);
// return array_to_string(rev_arr, 8);
//}
String toHexString(Int1 value, bool doNotRev){
return toHexString(value);
}
String toHexString(UInt1 value, bool doNotRev){
return toHexString(value);
}
String toHexString(Int2 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 2);
} else {
return toHexString(value);
}
}
String toHexString(UInt2 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 2);
} else {
return toHexString(value);
}
}
String toHexString(Int4 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 4);
} else {
return toHexString(value);
}
}
String toHexString(UInt4 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 4);
} else {
return toHexString(value);
}
}
String toHexString(Int8 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 8);
} else {
return toHexString(value);
}
}
String toHexString(UInt8 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 8);
} else {
return toHexString(value);
}
}
String toHexString(Float4 value, bool doNotRev){
if (doNotRev){
return array_to_string(value.bytes, 4);
} else {
return toHexString(value);
}
}
//String toHexString(Float8 value, bool doNotRev){
// if (doNotRev){
// return array_to_string(value.bytes, 8);
// } else {
// return toHexString(value);
// }
//}
// Constructors =========================================================================
Int1 new_Int1(byte arr[]){
return new_Int1(arr, 0);
}
Int1 new_Int1(byte arr[], int startIdx){
Int1 v;
v.bytes[0] = arr[startIdx];
return v;
}
UInt1 new_UInt1(byte arr[]){
return new_UInt1(arr, 0);
}
UInt1 new_UInt1(byte arr[], int startIdx){
UInt1 v;
v.bytes[0] = arr[startIdx];
return v;
}
Int2 new_Int2(byte arr[]){
return new_Int2(arr, 0);
}
Int2 new_Int2(byte arr[], int startIdx){
Int2 v;
for (int i=0; i<2; i++) {
v.bytes[i] = arr[startIdx + 2-1-i];
}
return v;
}
UInt2 new_UInt2(byte arr[]){
return new_UInt2(arr, 0);
}
UInt2 new_UInt2(byte arr[], int startIdx){
UInt2 v;
for (int i=0; i<2; i++) {
v.bytes[i] = arr[startIdx + 2-1-i];
}
return v;
}
Int4 new_Int4(byte arr[]){
return new_Int4(arr, 0);
}
Int4 new_Int4(byte arr[], int startIdx){
Int4 v;
for (int i=0; i<4; i++) {
v.bytes[i] = arr[startIdx + 4-1-i];
}
return v;
}
UInt4 new_UInt4(byte arr[]){
return new_UInt4(arr, 0);
}
UInt4 new_UInt4(byte arr[], int startIdx){
UInt4 v;
for (int i=0; i<4; i++) {
v.bytes[i] = arr[startIdx + 4-1-i];
}
return v;
}
Int8 new_Int8(byte arr[]){
return new_Int8(arr, 0);
}
Int8 new_Int8(byte arr[], int startIdx){
Int8 v;
for (int i=0; i<8; i++) {
v.bytes[i] = arr[startIdx + 8-1-i];
}
return v;
}
UInt8 new_UInt8(byte arr[]){
return new_UInt8(arr, 0);
}
UInt8 new_UInt8(byte arr[], int startIdx){
UInt8 v;
for (int i=0; i<8; i++) {
v.bytes[i] = arr[startIdx + 8-1-i];
}
return v;
}
Float4 new_Float4(byte arr[]){
return new_Float4(arr, 0);
}
Float4 new_Float4(byte arr[], int startIdx){
Float4 v;
for (int i=0; i<4; i++) {
v.bytes[i] = arr[startIdx + 4-1-i];
}
return v;
}
Float8 new_Float8(byte arr[]){
return new_Float8(arr, 0);
}
Float8 new_Float8(byte arr[], int startIdx){
Float8 v;
for (int i=0; i<8; i++) {
v.bytes[i] = arr[startIdx + 8-1-i];
}
return v;
}
Int1 new_Int1(char val){
Int1 v;
v.value = val;
return v;
}
Int2 new_Int2(int val){
Int2 v;
v.value = val;
return v;
}
Int4 new_Int4(long val){
Int4 v;
v.value = val;
return v;
}
Int8 new_Int8(long long val){
Int8 v;
v.value = val;
return v;
}
UInt1 new_UInt1(byte val){
UInt1 v;
v.value = val;
return v;
}
UInt2 new_UInt2(unsigned int val){
UInt2 v;
v.value = val;
return v;
}
UInt4 new_UInt4(unsigned long val){
UInt4 v;
v.value = val;
return v;
}
UInt8 new_UInt8(unsigned long long val){
UInt8 v;
v.value = val;
return v;
}
Float4 new_Float4(float val){
Float4 v;
v.value = val;
return v;
}
//Float8 new_Float8(double val){
// Float8 v;
// v.value = val;
// return v;
//}
// 연산자 오버로딩 ========================================================================
Int1 operator+(const Int1& a, const Int1& b){
Int1 val;
val.value = a.value + b.value;
return val;
}
Int2 operator+(const Int1& a, const int b){
Int2 val;
val.value = a.value + b;
return val;
}
Int2 operator+(const int a, const Int1& b){
Int2 val;
val.value = a + b.value;
return val;
}
Int2 operator+(const Int2& a, const Int2& b){
Int2 val;
val.value = a.value + b.value;
return val;
}
Int2 operator+(const Int2& a, const int b){
Int2 val;
val.value = a.value + b;
return val;
}
Int2 operator+(const int a, const Int2& b){
Int2 val;
val.value = a + b.value;
return val;
}