catch log output from WiFi libs

components/esp32/lib_printf.c

@@ -0,0 +1,112 @@
+// Copyright 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.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "esp_log.h"
+#include "esp_attr.h"
+
+#define VPRINTF_STACK_BUFFER_SIZE 80
+
+static int lib_printf(const char* tag, const char* format, va_list arg)
+{
+    char temp[VPRINTF_STACK_BUFFER_SIZE];
+    int len = vsnprintf(temp, sizeof(temp) - 1, format, arg);
+    temp[sizeof(temp) - 1] = 0;
+    int i;
+    for (i = len - 1; i >= 0; --i) {
+        if (temp[i] != '\n' && temp[i] != '\r' && temp[i] != ' ') {
+            break;
+        }
+        temp[i] = 0;
+    }
+    if (i > 0) {
+        ESP_EARLY_LOGI(tag, "%s", temp);
+    }
+    va_end(arg);
+    return len;
+}
+
+int phy_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("phy", format, arg);
+    va_end(arg);
+    return res;
+}
+
+
+int rtc_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("rtc", format, arg);
+    va_end(arg);
+    return res;
+}
+
+int wpa_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("wpa", format, arg);
+    va_end(arg);
+    return res;
+}
+
+int wps_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("wps", format, arg);
+    va_end(arg);
+    return res;
+}
+
+int pp_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("pp", format, arg);
+    va_end(arg);
+    return res;
+}
+
+int sc_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("smartconfig", format, arg);
+    va_end(arg);
+    return res;
+}
+
+int core_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("core", format, arg);
+    va_end(arg);
+    return res;
+}
+
+int net80211_printf(const char* format, ...)
+{
+    va_list arg;
+    va_start(arg, format);
+    int res = lib_printf("net80211", format, arg);
+    va_end(arg);
+    return res;
+}