固件优化

sdk/Arduino/WumeiArduino/Base64.cpp

@@ -1,3 +1,11 @@
+/*********************************************************************
+ * function： Base64编码和解码
+ * board:     esp8266 core for arduino v3.0.2
+ * library：  PubSubClient2.8.0  & ArduinoJson6.19.1 & OneButton2.0.4
+ * source:    https://gitee.com/kerwincui/wumei-smart
+ * copyright: Copyright (c) 2013 Adam Rudd.
+ ********************************************************************/
+
 #include "Base64.h"
 
 #if (defined(__AVR__))
@@ -7,26 +15,30 @@
 #endif
 
 const char PROGMEM b64_alphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-    "abcdefghijklmnopqrstuvwxyz"
-    "0123456789+/";
+                                    "abcdefghijklmnopqrstuvwxyz"
+                                    "0123456789+/";
 
 /* 'Private' declarations */
-inline void a3_to_a4(unsigned char * a4, unsigned char * a3);
-inline void a4_to_a3(unsigned char * a3, unsigned char * a4);
+inline void a3_to_a4(unsigned char *a4, unsigned char *a3);
+inline void a4_to_a3(unsigned char *a3, unsigned char *a4);
 inline unsigned char b64_lookup(char c);
 
-int base64_encode(char *output, char *input, int inputLen) {
+int base64_encode(char *output, char *input, int inputLen)
+{
   int i = 0, j = 0;
   int encLen = 0;
   unsigned char a3[3];
   unsigned char a4[4];
 
-  while(inputLen--) {
+  while (inputLen--)
+  {
     a3[i++] = *(input++);
-    if(i == 3) {
+    if (i == 3)
+    {
       a3_to_a4(a4, a3);
 
-      for(i = 0; i < 4; i++) {
+      for (i = 0; i < 4; i++)
+      {
         output[encLen++] = pgm_read_byte(&b64_alphabet[a4[i]]);
       }
 
@@ -34,18 +46,22 @@ int base64_encode(char *output, char *input, int inputLen) {
     }
   }
 
-  if(i) {
-    for(j = i; j < 3; j++) {
+  if (i)
+  {
+    for (j = i; j < 3; j++)
+    {
       a3[j] = '\0';
     }
 
     a3_to_a4(a4, a3);
 
-    for(j = 0; j < i + 1; j++) {
+    for (j = 0; j < i + 1; j++)
+    {
       output[encLen++] = pgm_read_byte(&b64_alphabet[a4[j]]);
     }
 
-    while((i++ < 3)) {
+    while ((i++ < 3))
+    {
       output[encLen++] = '=';
     }
   }
@@ -53,45 +69,54 @@ int base64_encode(char *output, char *input, int inputLen) {
   return encLen;
 }
 
-int base64_decode(char * output, char * input, int inputLen) {
+int base64_decode(char *output, char *input, int inputLen)
+{
   int i = 0, j = 0;
   int decLen = 0;
   unsigned char a3[3];
   unsigned char a4[4];
 
-
-  while (inputLen--) {
-    if(*input == '=') {
+  while (inputLen--)
+  {
+    if (*input == '=')
+    {
       break;
     }
 
     a4[i++] = *(input++);
-    if (i == 4) {
-      for (i = 0; i <4; i++) {
+    if (i == 4)
+    {
+      for (i = 0; i < 4; i++)
+      {
         a4[i] = b64_lookup(a4[i]);
       }
 
-      a4_to_a3(a3,a4);
+      a4_to_a3(a3, a4);
 
-      for (i = 0; i < 3; i++) {
+      for (i = 0; i < 3; i++)
+      {
         output[decLen++] = a3[i];
       }
       i = 0;
     }
   }
 
-  if (i) {
-    for (j = i; j < 4; j++) {
+  if (i)
+  {
+    for (j = i; j < 4; j++)
+    {
       a4[j] = '\0';
     }
 
-    for (j = 0; j <4; j++) {
+    for (j = 0; j < 4; j++)
+    {
       a4[j] = b64_lookup(a4[j]);
     }
 
-    a4_to_a3(a3,a4);
+    a4_to_a3(a3, a4);
 
-    for (j = 0; j < i - 1; j++) {
+    for (j = 0; j < i - 1; j++)
+    {
       output[decLen++] = a3[j];
     }
   }
@@ -99,39 +124,50 @@ int base64_decode(char * output, char * input, int inputLen) {
   return decLen;
 }
 
-int base64_enc_len(int plainLen) {
+int base64_enc_len(int plainLen)
+{
   int n = plainLen;
   return (n + 2 - ((n + 2) % 3)) / 3 * 4;
 }
 
-int base64_dec_len(char * input, int inputLen) {
+int base64_dec_len(char *input, int inputLen)
+{
   int i = 0;
   int numEq = 0;
-  for(i = inputLen - 1; input[i] == '='; i--) {
+  for (i = inputLen - 1; input[i] == '='; i--)
+  {
     numEq++;
   }
 
   return ((6 * inputLen) / 8) - numEq;
 }
 
-inline void a3_to_a4(unsigned char * a4, unsigned char * a3) {
+inline void a3_to_a4(unsigned char *a4, unsigned char *a3)
+{
   a4[0] = (a3[0] & 0xfc) >> 2;
   a4[1] = ((a3[0] & 0x03) << 4) + ((a3[1] & 0xf0) >> 4);
   a4[2] = ((a3[1] & 0x0f) << 2) + ((a3[2] & 0xc0) >> 6);
   a4[3] = (a3[2] & 0x3f);
 }
 
-inline void a4_to_a3(unsigned char * a3, unsigned char * a4) {
+inline void a4_to_a3(unsigned char *a3, unsigned char *a4)
+{
   a3[0] = (a4[0] << 2) + ((a4[1] & 0x30) >> 4);
   a3[1] = ((a4[1] & 0xf) << 4) + ((a4[2] & 0x3c) >> 2);
   a3[2] = ((a4[2] & 0x3) << 6) + a4[3];
 }
 
-inline unsigned char b64_lookup(char c) {
-  if(c >='A' && c <='Z') return c - 'A';
-  if(c >='a' && c <='z') return c - 71;
-  if(c >='0' && c <='9') return c + 4;
-  if(c == '+') return 62;
-  if(c == '/') return 63;
+inline unsigned char b64_lookup(char c)
+{
+  if (c >= 'A' && c <= 'Z')
+    return c - 'A';
+  if (c >= 'a' && c <= 'z')
+    return c - 71;
+  if (c >= '0' && c <= '9')
+    return c + 4;
+  if (c == '+')
+    return 62;
+  if (c == '/')
+    return 63;
   return -1;
 }