From 9ca8a503ed3d7b31fc1cfe0e2e51925d3c0c3396 Mon Sep 17 00:00:00 2001
From: Andrew Leech <andrew@alelec.net>
Date: Wed, 4 Dec 2019 22:44:49 +1100
Subject: [PATCH] esp32/boards: Enable ULP in base sdk configuration.

Fixes issue #5159.
---
 ports/esp32/boards/sdkconfig.base | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ports/esp32/boards/sdkconfig.base b/ports/esp32/boards/sdkconfig.base
index 2c77c2090..dcb7742d3 100644
--- a/ports/esp32/boards/sdkconfig.base
+++ b/ports/esp32/boards/sdkconfig.base
@@ -32,6 +32,9 @@ CONFIG_LWIP_PPP_CHAP_SUPPORT=y
 # Use 4kiB output buffer instead of default 16kiB (because IDF heap is fragmented in 4.0)
 CONFIG_MBEDTLS_ASYMMETRIC_CONTENT_LEN=y
 
+# ULP coprocessor support
+CONFIG_ESP32_ULP_COPROC_ENABLED=y
+
 # v3.3-only (renamed in 4.0)
 CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
 CONFIG_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
@@ -41,3 +44,4 @@ CONFIG_ENABLE_STATIC_TASK_CLEAN_UP_HOOK=y
 CONFIG_PPP_SUPPORT=y
 CONFIG_PPP_PAP_SUPPORT=y
 CONFIG_PPP_CHAP_SUPPORT=y
+CONFIG_ULP_COPROC_ENABLED=y