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Code Issues Releases Activity

reduce memory footprint

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This commit is contained in:
David Gauchard
2023-07-18 19:49:58 +02:00
parent 678a2ccf53
commit c3bf9c5d00
4 changed files with 109 additions and 25 deletions
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60
src/ESPUI.cpp
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@ -13,6 +13,61 @@
#include "dataTabbedcontentJS.h"
#include "dataZeptoJS.h"
#if ESP8266
#include <umm_malloc/umm_heap_select.h>
#endif
static String heapInfo (const __FlashStringHelper* mode)
{
#if ESP8266
uint32_t hfree;
uint32_t hmax;
uint8_t hfrag;
String result;
result.reserve(128);
#ifdef UMM_HEAP_IRAM
// here esp8266 is configurerd to use an extra 16KB (i)ram
{
HeapSelectIram useInstructionRamHere;
ESP.getHeapStats(&hfree, &hmax, &hfrag);
}
result += F("IRAM: free: ");
result += hfree;
result += F(" max: ");
result += hmax;
result += F(" frag: ");
result += hfrag;
result += "%\n";
#endif // !UMM_HEAP_IRAM
{
HeapSelectDram useRegularRamHere;
ESP.getHeapStats(&hfree, &hmax, &hfrag);
}
result += F("DRAM: free: ");
result += hfree;
result += F(" max: ");
result += hmax;
result += F(" frag: ");
result += hfrag;
result += "%\n";
#else // !ESP8266
result += ESP.getFreeHeap();
result += ' ';
#endif // !ESP8266
result += mode;
return result;
}
// ################# LITTLEFS functions
#if defined(ESP32)
void listDir(const char* dirname, uint8_t levels)
@ -1260,7 +1315,8 @@ void ESPUIClass::beginLITTLEFS(const char* _title, const char* username, const c
return request->requestAuthentication();
}
request->send(200, "text/plain", String(ESP.getFreeHeap()) + " In LITTLEFS mode");
request->send(200, "text/plain", heapInfo(F("In LITTLEFS mode")));
});
server->onNotFound([this](AsyncWebServerRequest* request) {
@ -1418,7 +1474,7 @@ void ESPUIClass::begin(const char* _title, const char* username, const char* pas
return request->requestAuthentication();
}
request->send(200, "text/plain", String(ESP.getFreeHeap()) + " In Memorymode");
request->send(200, "text/plain", heapInfo(F("In Memorymode")));
});
server->onNotFound([this](AsyncWebServerRequest* request) {