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add ESP.eraseESPconfig() to erase the ESP SDK configuration (including wifi)

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improve WiFiMulti
This commit is contained in:
Markus Sattler
2015-05-25 12:29:26 +02:00
parent dc52cf82c5
commit 5852c484ca
3 changed files with 28 additions and 0 deletions
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22
cores/esp8266/Esp.cpp
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@@ -294,3 +294,25 @@ String EspClass::getResetInfo(void) {
struct rst_info * EspClass::getResetInfoPtr(void) {
return &resetInfo;
}
bool EspClass::eraseESPconfig(void) {
bool ret = true;
size_t cfgAddr = (ESP.getFlashChipSize() - 0x3000);
size_t cfgSize = (8*1024);
noInterrupts();
while(cfgSize) {
if(spi_flash_erase_sector((cfgAddr / SPI_FLASH_SEC_SIZE)) != SPI_FLASH_RESULT_OK) {
ret = false;
}
cfgSize -= SPI_FLASH_SEC_SIZE;
cfgAddr += SPI_FLASH_SEC_SIZE;
}
interrupts();
return ret;
}

2
cores/esp8266/Esp.h
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@@ -101,6 +101,8 @@ class EspClass {
String getResetInfo(void);
struct rst_info * getResetInfoPtr(void);
bool eraseESPconfig(void);
inline uint32_t getCycleCount(void);
};

4
libraries/ESP8266WiFi/src/ESP8266WiFiMulti.cpp
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@@ -47,6 +47,10 @@ wl_status_t ESP8266WiFiMulti::run(void) {
uint8 bestBSSID[6];
int32_t bestChannel;
DEBUG_WIFI_MULTI("[WIFI] delete old wifi config...\n");
WiFi.disconnect();
DEBUG_WIFI_MULTI("[WIFI] start scan\n");
// WiFi.scanNetworks will return the number of networks found
int8_t n = WiFi.scanNetworks();