initial import

tools/sdk/include/esp32/esp_err.h

@@ -0,0 +1,46 @@
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef __ESP_ERR_H__
+#define __ESP_ERR_H__
+
+#include <stdint.h>
+#include <assert.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int32_t esp_err_t;
+
+/* Definitions for error constants. */
+
+#define ESP_OK          0
+#define ESP_FAIL        -1
+
+#define ESP_ERR_NO_MEM          0x101
+#define ESP_ERR_INVALID_ARG     0x102
+#define ESP_ERR_INVALID_STATE   0x103
+
+/**
+ * Macro which can be used to check the error code,
+ * and terminate the program in case the code is not ESP_OK.
+ * Prints the failed statement to serial output.
+ */
+#define ESP_ERROR_CHECK(x)   do { esp_err_t rc = (x); if (rc != ESP_OK) { assert(0 && #x);} } while(0);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ESP_ERR_H__ */