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Supported Targets	ESP32	ESP32-C2	ESP32-C3	ESP32-C6	ESP32-S2	ESP32-S3

Example: General Purpose Timer

This example illustrates how to use gptimer APIs to generate periodic alarm events and how different alarm actions behave on events.

How to Use Example

Hardware Required

A development board with ESP SOC chip
A USB cable for Power supply and programming

Build and Flash

Run idf.py -p PORT flash monitor to build, flash and monitor the project.

(To exit the serial monitor, type Ctrl-].)

See the ESP-IDF Getting Started Guide for all the steps to configure and use the ESP-IDF to build projects.

Example Output

I (0) cpu_start: Starting scheduler on APP CPU.
I (326) example: Create timer handle
I (326) example: Enable timer
I (336) example: Start timer, stop it at alarm event
I (1336) example: Timer stopped, count=1000002
I (1336) example: Set count value
I (1336) example: Get count value
I (1346) example: Timer count value=100
I (1346) example: Disable timer
I (1346) example: Enable timer
I (1356) example: Start timer, auto-reload at alarm event
I (2356) example: Timer reloaded, count=2
I (3356) example: Timer reloaded, count=2
I (4356) example: Timer reloaded, count=2
I (5356) example: Timer reloaded, count=2
I (5356) example: Stop timer
I (5356) example: Disable timer
I (5356) example: Enable timer
I (5366) example: Start timer, update alarm value dynamically
I (6366) example: Timer alarmed, count=1000002
I (7366) example: Timer alarmed, count=2000002
I (8366) example: Timer alarmed, count=3000002
I (9366) example: Timer alarmed, count=4000002
I (9376) example: Stop timer
I (9376) example: Disable timer
I (9376) example: Delete timer

Troubleshooting

For any technical queries, please open an issue on GitHub. We will get back to you soon.

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