Simple esp_log replacement to support the ESP_LOGx() log-messages.

basvs · basvs · commit fc7aba8481f1 · 2017-07-23T11:39:14.000+02:00
diff --git a/unix/esp_log.c b/unix/esp_log.c
@@ -0,0 +1,25 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <time.h>
+#include "esp_log.h"
+
+uint32_t
+esp_log_timestamp(void)
+{
+	static time_t t_first = 0;
+	if (t_first) {
+		t_first = time(NULL);
+		return 0;
+	}
+	return time(NULL) - t_first;
+}
+
+void
+esp_log_write(esp_log_level_t level, const char* tag, const char* format, ...)
+{
+	va_list ap;
+	va_start(ap, format);
+	vprintf(format, ap);
+	va_end(ap);
+}
diff --git a/unix/esp_log.h b/unix/esp_log.h
@@ -0,0 +1,67 @@
+#ifndef ESP_LOG_H
+#define ESP_LOG_H
+
+/* based on Espressif's esp-idf code */
+
+#include <stdint.h>
+#include <stdarg.h>
+#include "sdkconfig.h"
+
+typedef enum {
+    ESP_LOG_NONE,
+    ESP_LOG_ERROR,
+    ESP_LOG_WARN,
+    ESP_LOG_INFO,
+    ESP_LOG_DEBUG,
+    ESP_LOG_VERBOSE
+} esp_log_level_t;
+
+uint32_t esp_log_timestamp(void);
+
+void esp_log_write(esp_log_level_t level, const char* tag, const char* format, ...) __attribute__ ((format (printf, 3, 4)));
+
+
+#if CONFIG_LOG_COLORS
+#define LOG_COLOR_BLACK   "30"
+#define LOG_COLOR_RED     "31"
+#define LOG_COLOR_GREEN   "32"
+#define LOG_COLOR_BROWN   "33"
+#define LOG_COLOR_BLUE    "34"
+#define LOG_COLOR_PURPLE  "35"
+#define LOG_COLOR_CYAN    "36"
+#define LOG_COLOR(COLOR)  "\033[0;" COLOR "m"
+#define LOG_BOLD(COLOR)   "\033[1;" COLOR "m"
+#define LOG_RESET_COLOR   "\033[0m"
+#define LOG_COLOR_E       LOG_COLOR(LOG_COLOR_RED)
+#define LOG_COLOR_W       LOG_COLOR(LOG_COLOR_BROWN)
+#define LOG_COLOR_I       LOG_COLOR(LOG_COLOR_GREEN)
+#define LOG_COLOR_D
+#define LOG_COLOR_V
+#else //CONFIG_LOG_COLORS
+#define LOG_COLOR_E
+#define LOG_COLOR_W
+#define LOG_COLOR_I
+#define LOG_COLOR_D
+#define LOG_COLOR_V
+#define LOG_RESET_COLOR
+#endif //CONFIG_LOG_COLORS
+
+#define LOG_FORMAT(letter, format)  LOG_COLOR_ ## letter #letter " (%d) %s: " format LOG_RESET_COLOR "\n"
+
+#ifndef LOG_LOCAL_LEVEL
+#define LOG_LOCAL_LEVEL  ((esp_log_level_t) CONFIG_LOG_DEFAULT_LEVEL)
+#endif
+
+#define ESP_EARLY_LOGE( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_ERROR)   { ets_printf(LOG_FORMAT(E, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_EARLY_LOGW( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_WARN)    { ets_printf(LOG_FORMAT(W, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_EARLY_LOGI( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_INFO)    { ets_printf(LOG_FORMAT(I, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_EARLY_LOGD( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG)   { ets_printf(LOG_FORMAT(D, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_EARLY_LOGV( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_VERBOSE) { ets_printf(LOG_FORMAT(V, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+
+#define ESP_LOGE( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_ERROR)   { esp_log_write(ESP_LOG_ERROR,   tag, LOG_FORMAT(E, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_LOGW( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_WARN)    { esp_log_write(ESP_LOG_WARN,    tag, LOG_FORMAT(W, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_LOGI( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_INFO)    { esp_log_write(ESP_LOG_INFO,    tag, LOG_FORMAT(I, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_LOGD( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG)   { esp_log_write(ESP_LOG_DEBUG,   tag, LOG_FORMAT(D, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+#define ESP_LOGV( tag, format, ... )  if (LOG_LOCAL_LEVEL >= ESP_LOG_VERBOSE) { esp_log_write(ESP_LOG_VERBOSE, tag, LOG_FORMAT(V, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
+
+#endif // ESP_LOG_H
