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ESP32 watchdog workaround (with diag code)

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This commit is contained in:
Harald Barth 2021-10-24 12:09:54 +02:00
parent 8a0ddb0d74
commit b6cfc39d23
1 changed files with 52 additions and 0 deletions
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52
WifiESP32.cpp
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@ -24,6 +24,45 @@
#include "DIAG.h"
#include "RingStream.h"
#include "CommandDistributor.h"
/*
#include "soc/rtc_wdt.h"
#include "esp_task_wdt.h"
*/
#include "soc/timer_group_struct.h"
#include "soc/timer_group_reg.h"
void feedTheDog0(){
// feed dog 0
TIMERG0.wdt_wprotect=TIMG_WDT_WKEY_VALUE; // write enable
TIMERG0.wdt_feed=1; // feed dog
TIMERG0.wdt_wprotect=0; // write protect
// feed dog 1
//TIMERG1.wdt_wprotect=TIMG_WDT_WKEY_VALUE; // write enable
//TIMERG1.wdt_feed=1; // feed dog
//TIMERG1.wdt_wprotect=0; // write protect
}
/*
void enableCoreWDT(byte core){
TaskHandle_t idle = xTaskGetIdleTaskHandleForCPU(core);
if(idle == NULL){
DIAG(F("Get idle rask on core %d failed"),core);
} else {
if(esp_task_wdt_add(idle) != ESP_OK){
DIAG(F("Failed to add Core %d IDLE task to WDT"),core);
} else {
DIAG(F("Added Core %d IDLE task to WDT"),core);
}
}
}
void disableCoreWDT(byte core){
TaskHandle_t idle = xTaskGetIdleTaskHandleForCPU(core);
if(idle == NULL || esp_task_wdt_delete(idle) != ESP_OK){
DIAG(F("Failed to remove Core %d IDLE task from WDT"),core);
}
}
*/
static std::vector<WiFiClient> clients; // a list to hold all clients
static WiFiServer *server = NULL;
@ -38,6 +77,10 @@ bool WifiESP::setup(const char *SSid,
bool haveSSID = true;
bool wifiUp = false;
// tests
// enableCoreWDT(1);
// disableCoreWDT(0);
const char *yourNetwork = "Your network ";
if (strncmp(yourNetwork, SSid, 13) == 0 || strncmp("", SSid, 13) == 0)
haveSSID = false;
@ -158,5 +201,14 @@ void WifiESP::loop() {
}
}
} //connected
yield();
// when loop() is running on core0 we must
// feed the core0 wdt ourselves as yield()
// is not necessarily yielding to a low
// prio task. On core1 this is not a problem
// as there the wdt is disabled by the
// arduio IDE startup routines.
if (xPortGetCoreID() == 0)
feedTheDog0();
}
#endif //ESP32