From d1129f3d19ac2d1755edc9a778cff8ac2ef2bc80 Mon Sep 17 00:00:00 2001
From: diplfranzhoepfinger
 <37779037+diplfranzhoepfinger@users.noreply.github.com>
Date: Mon, 18 Jul 2022 17:08:15 +0200
Subject: [PATCH] esp_err_to_name (IDFGH-7793) (#78)

fix(esp-modem): Use err_to_name to log error message on error
---
 .../esp_system_protocols_linux/CMakeLists.txt      |  3 ++-
 .../esp_system_protocols_linux/esp_err_to_name.c   | 14 ++++++++++++++
 .../esp_system_protocols_linux/include/esp_err.h   |  8 ++++++++
 .../esp_modem/private_include/exception_stub.hpp   |  2 +-
 4 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 components/esp_modem/port/linux/esp_system_protocols_linux/esp_err_to_name.c

diff --git a/components/esp_modem/port/linux/esp_system_protocols_linux/CMakeLists.txt b/components/esp_modem/port/linux/esp_system_protocols_linux/CMakeLists.txt
index e4149f579..44a745e87 100644
--- a/components/esp_modem/port/linux/esp_system_protocols_linux/CMakeLists.txt
+++ b/components/esp_modem/port/linux/esp_system_protocols_linux/CMakeLists.txt
@@ -1,2 +1,3 @@
-idf_component_register(INCLUDE_DIRS include
+idf_component_register(SRCS "esp_err_to_name.c"
+                        INCLUDE_DIRS include
                         REQUIRES esp_netif_linux esp_event_mock)
diff --git a/components/esp_modem/port/linux/esp_system_protocols_linux/esp_err_to_name.c b/components/esp_modem/port/linux/esp_system_protocols_linux/esp_err_to_name.c
new file mode 100644
index 000000000..ce5cb9ed3
--- /dev/null
+++ b/components/esp_modem/port/linux/esp_system_protocols_linux/esp_err_to_name.c
@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: Franz Hoepfinger
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+
+static const char esp_unknown_msg[] =  "ERROR";
+
+const char *esp_err_to_name(int code)
+{
+    return esp_unknown_msg;
+}
diff --git a/components/esp_modem/port/linux/esp_system_protocols_linux/include/esp_err.h b/components/esp_modem/port/linux/esp_system_protocols_linux/include/esp_err.h
index b51321624..9a4363d23 100644
--- a/components/esp_modem/port/linux/esp_system_protocols_linux/include/esp_err.h
+++ b/components/esp_modem/port/linux/esp_system_protocols_linux/include/esp_err.h
@@ -25,3 +25,11 @@ typedef int esp_err_t;
 #define ESP_ERR_NOT_FOUND           0x105
 #define ESP_ERR_NOT_SUPPORTED       0x106
 #define ESP_ERR_TIMEOUT             0x107
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+const char *esp_err_to_name(int code);
+#ifdef __cplusplus
+}
+#endif
diff --git a/components/esp_modem/private_include/exception_stub.hpp b/components/esp_modem/private_include/exception_stub.hpp
index d3f1378d3..4f2700894 100644
--- a/components/esp_modem/private_include/exception_stub.hpp
+++ b/components/esp_modem/private_include/exception_stub.hpp
@@ -22,7 +22,7 @@
         action; \
     } catch (::esp_modem::esp_err_exception& e) {    \
         esp_err_t err = e.get_err_t();  \
-        ESP_LOGE(TAG, "%s: Exception caught with ESP err_code=%d", __func__, err); \
+        ESP_LOGE(TAG, "%s: Exception caught with ESP err_code=%d %s", __func__, err, esp_err_to_name(err)); \
         ESP_LOGE(TAG, "%s", e.what());  \
         action; \
     }