SmoothBlink_ULP_Code.ino fails to compile for XIAO_ESP32C6

[andrewc1]

Board

Seeed Studio XIAO ESP32C6

Device Description

Plain module

Hardware Configuration

nothing but USB

Version

latest development Release Candidate (RC-X)

IDE Name

Arduino IDE

Operating System

Linux 6.5.0-28-generic

Flash frequency

can't flash

PSRAM enabled

yes

Upload speed

115200

Description

1. In the Arduino IDE, select File->Examples->ESP32->DeepSleep->SmoothBlink_ULP_Code.ino.
2. Verify the sketch.
3. Receive the error:

Compilation error: esp32/ulp.h: No such file or directory

Sketch

#include <Arduino.h>
#include "esp32/ulp.h"

void setup() {
}

void loop() {
}

Debug Message

/tmp/.arduinoIDE-unsaved2024418-69056-1dkslf.hhzho/SmoothBlink_ULP_Code/SmoothBlink_ULP_Code.ino:9:10: fatal error: esp32/ulp.h: No such file or directory
    9 | #include "esp32/ulp.h"
      |          ^~~~~~~~~~~~~
compilation terminated.
exit status 1

Compilation error: esp32/ulp.h: No such file or directory

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.

[Jason2866]

The Risc-v ULP from the C6 is not supoort from Arduino.