Ticker::active() crashes when it call before attach_ms() #6511
Description
Board
ESP32 Dev Module
Device Description
Custom
Hardware Configuration
Version
latest master
IDE Name
VisualMicro
Operating System
Windows 10
Flash frequency
80MHz
PSRAM enabled
no
Upload speed
115200
Description
_timer in Ticker lib is null before you call a attach methode and crashes in esp_timer_is_active(_timer);
Sketch
#include <Arduino.h>
#include <Ticker.h>
// attach a LED to GPIO 21
#define LED_PIN 2
Ticker tickerSetHigh;
Ticker tickerSetLow;
void setPin(int state) {
digitalWrite(LED_PIN, state);
}
void setup() {
pinMode(LED_PIN, OUTPUT);
digitalWrite(1, LOW);
bool isActive = tickerSetLow.active();
// every 25 ms, call setPin(0)
tickerSetLow.attach_ms(25, setPin, 0);
// every 26 ms, call setPin(1)
tickerSetHigh.attach_ms(26, setPin, 1);
}
void loop() {
}Debug Message
rst:0xc (SW_CPU_RESET),boot:0x3f (SPI_FAST_FLASH_BOOT)
configsip: 188777542, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0030,len:1184
load:0x40078000,len:12812
load:0x40080400,len:3032
entry 0x400805e4
Guru Meditation Error: Core 1 panic'ed (LoadProhibited). Exception was unhandled.
Core 1 register dump:
PC : 0x400e966b PS : 0x00060030 A0 : 0x800d0f18 A1 : 0x3ffb27c0
A2 : 0x00000000 A3 : 0x00000000 A4 : 0x00000000 A5 : 0x00000004
A6 : 0x00000028 A7 : 0x00000001 A8 : 0x00000002 A9 : 0x3ff44000
A10 : 0x0000001f A11 : 0x00000001 A12 : 0x00000001 A13 : 0x00000020
A14 : 0x3ffc156c A15 : 0x3ffc156c SAR : 0x0000001f EXCCAUSE: 0x0000001c
EXCVADDR: 0x00000000 LBEG : 0x00000000 LEND : 0x00000000 LCOUNT : 0x00000000
Backtrace:0x400e9668:0x3ffb27c00x400d0f15:0x3ffb27e0 0x400d0e4c:0x3ffb2800 0x400d1252:0x3ffb2820
Other Steps to Reproduce
No response
I have checked existing issues, online documentation and the Troubleshooting Guide
- I confirm I have checked existing issues, online documentation and Troubleshooting guide.