Hardware: WeMos D1 mini
Core Version: v2.2.0
My sketch spends most of its time in deep sleep, just using the WiFi when it first powers up. This works fine from a full power-cycle, but not if is reset (reset button, or new sketch uploaded over serial). In that case I can't seem to switch the WiFi back on? I presume the RF is disabled from the deep sleep, even through a reset, and WiFi.mode(WIFI_STA) isn't enough to switch it back on?
I get:
add if0
f r0,
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
....
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
scandone
reconnect
f 0, error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
....
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
scandone
reconnect
f -180, error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
....
error: pll_cal exceeds 2ms!!!
error: pll_cal exceeds 2ms!!!
scandone
del if0
usl
mode : null
Module: WeMos D1 R2 & mini
Flash Size: 4MB
CPU Frequency: 80Mhz
Flash Mode: ?qio?
Flash Frequency: ?40Mhz?
Upload Using: SERIAL
Reset Method: ?ck / nodemcu?
#include <ESP8266WiFi.h>
extern "C" {
#include <user_interface.h>
}
void setup() {
Serial.begin(115200);
Serial.setDebugOutput(true);
// Connect to WiFi if we have just powered on (*not* if waking from deep sleep)
rst_info *resetInfo = ESP.getResetInfoPtr();
if (resetInfo->reason != REASON_DEEP_SLEEP_AWAKE) {
WiFi.mode(WIFI_STA);
WiFi.begin(WLAN_SSID, WLAN_PWD);
WiFi.setAutoConnect(false);
WiFi.setAutoReconnect(false);
WiFi.waitForConnectResult();
// do some networky stuff
WiFi.disconnect();
WiFi.mode(WIFI_OFF);
}
}
void loop() {
// do regular non-networking stuff
// enter deep sleep, with radio off upon waking
unsigned int sleep_secs = 10;
ESP.deepSleep(sleep_secs*1000000, WAKE_RF_DISABLED);
}
NB: I'm using WiFi.setAutoConnect(false)/setAutoReconnect because otherwise the board was always trying to connect to the WiFi immediately upon waking from deep sleep, even if WiFi.disconnect(), WiFi.mode(WIFI_OFF) and WAKE_RF_DISABLED had been called.
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