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return old handler from esp_log_set_vprintf()

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Merges #1286
This commit is contained in:
Andrew Dikarev
2017-11-18 16:27:06 +02:00
committed by Ivan Grokhotkov
parent cf768380b1
commit 08ba79cc2b
2 changed files with 16 additions and 4 deletions
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11
components/log/log.c
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@@ -106,9 +106,18 @@ static inline void heap_swap(int i, int j);
static inline bool should_output(esp_log_level_t level_for_message, esp_log_level_t level_for_tag);
static inline void clear_log_level_list();
void esp_log_set_vprintf(vprintf_like_t func)
vprintf_like_t esp_log_set_vprintf(vprintf_like_t func)
{
if (!s_log_mutex) {
s_log_mutex = xSemaphoreCreateMutex();
}
xSemaphoreTake(s_log_mutex, portMAX_DELAY);
vprintf_like_t orig_func = s_log_print_func;
s_log_print_func = func;
xSemaphoreGive(s_log_mutex);
return orig_func;
}
void esp_log_level_set(const char* tag, esp_log_level_t level)