mirror of
https://github.com/anklimov/lighthub
synced 2025-12-06 03:39:49 +03:00
112 lines
2.4 KiB
C++
112 lines
2.4 KiB
C++
/* Copyright © 2017-2018 Andrey Klimov. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Homepage: http://lazyhome.ru
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GIT: https://github.com/anklimov/lighthub
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e-mail anklimov@gmail.com
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*/
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#include "utils.h"
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#if defined(__SAM3X8E__)
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#include <malloc.h>
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#endif
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#if defined(ESP8266)
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extern "C" {
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#include "user_interface.h"
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}
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#endif
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void PrintBytes(uint8_t* addr, uint8_t count, bool newline) {
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for (uint8_t i = 0; i < count; i++) {
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Serial.print(addr[i]>>4, HEX);
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Serial.print(addr[i]&0x0f, HEX);
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}
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if (newline)
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Serial.println();
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}
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const char HEXSTR[]="0123456789ABCDEF";
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void SetBytes(uint8_t* addr, uint8_t count, char * out) {
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// Serial.println("SB:");
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for (uint8_t i = 0; i < count; i++) {
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*(out++)=HEXSTR[(addr[i]>>4)];
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*(out++)=HEXSTR[(addr[i]&0x0f)];
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}
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*out=0;
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}
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byte HEX2DEC(char i)
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{ byte v;
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if ('a' <= i && i <='f') { v=i-97+10; }
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else if ('A' <= i && i <='F') { v=i-65+10; }
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else if ('0' <= i && i <='9') { v=i-48; }
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return v;
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}
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void SetAddr(char * out, uint8_t* addr) {
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for (uint8_t i = 0; i < 8; i++) {
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*addr=HEX2DEC(*out++)<<4;
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*addr++|=HEX2DEC(*out++);
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}
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}
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int getInt(char ** chan)
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{
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int ch = atoi(*chan);
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*chan=strchr(*chan,',');
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if (*chan) *chan+=1;
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//Serial.print(F("Par:")); Serial.println(ch);
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return ch;
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}
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#if defined(ESP8266)
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unsigned long freeRam ()
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{return system_get_free_heap_size();}
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#endif
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#if defined(__AVR__)
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unsigned long freeRam ()
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{
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extern int __heap_start, *__brkval;
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int v;
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return (int) &v - (__brkval == 0 ? (int) &__heap_start : (int) __brkval);
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}
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#endif
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#if defined(__SAM3X8E__)
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extern char _end;
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extern "C" char *sbrk(int i);
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unsigned long freeRam()
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{
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char *ramstart = (char *) 0x20070000;
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char *ramend = (char *) 0x20088000;
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char *heapend = sbrk(0);
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register char * stack_ptr asm( "sp" );
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struct mallinfo mi = mallinfo();
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return stack_ptr - heapend + mi.fordblks;
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}
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#endif
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