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			89 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| 
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| #ifndef ESP_SYSVIEW_TRACE_H_
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| #define ESP_SYSVIEW_TRACE_H_
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| #include <stdarg.h>
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| #include "esp_err.h"
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| #include "SEGGER_RTT.h" // SEGGER_RTT_ESP32_Flush
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| #include "esp_app_trace_util.h" // ESP_APPTRACE_TMO_INFINITE
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| 
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| /**
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|  * @brief Flushes remaining data in SystemView trace buffer to host.
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|  *
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|  * @param tmo  Timeout for operation (in us). Use ESP_APPTRACE_TMO_INFINITE to wait indefinetly.
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|  *
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|  * @return ESP_OK.
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|  */
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| static inline esp_err_t esp_sysview_flush(uint32_t tmo)
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| {
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|     SEGGER_RTT_ESP32_Flush(0, tmo);
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|     return ESP_OK;
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| }
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| 
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| /**
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|  * @brief vprintf-like function to sent log messages to the host.
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|  *
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|  * @param format  Address of format string.
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|  * @param args    List of arguments.
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|  *
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|  * @return Number of bytes written.
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|  */
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| int esp_sysview_vprintf(const char * format, va_list args);
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| 
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| /**
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|  * @brief  Starts SystemView heap tracing.
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|  *
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|  * @param tmo Timeout (in us) to wait for the host to be connected. Use -1 to wait forever.
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|  *
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|  * @return ESP_OK on success, ESP_ERR_TIMEOUT if operation has been timed out.
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|  */
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| esp_err_t esp_sysview_heap_trace_start(uint32_t tmo);
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| 
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| /**
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|  * @brief  Stops SystemView heap tracing.
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|  *
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|  * @return ESP_OK.
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|  */
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| esp_err_t esp_sysview_heap_trace_stop(void);
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| 
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| /**
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|  * @brief Sends heap allocation event to the host.
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|  *
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|  * @param addr      Address of allocated block.
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|  * @param size      Size of allocated block.
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|  * @param callers   Pointer to array with callstack addresses.
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|  *                  Array size must be CONFIG_HEAP_TRACING_STACK_DEPTH.
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|  */
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| void esp_sysview_heap_trace_alloc(void *addr, uint32_t size, const void *callers);
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| 
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| /**
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|  * @brief Sends heap de-allocation event to the host.
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|  *
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|  * @param addr      Address of de-allocated block.
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|  * @param callers   Pointer to array with callstack addresses.
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|  *                  Array size must be CONFIG_HEAP_TRACING_STACK_DEPTH.
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|  */
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| void esp_sysview_heap_trace_free(void *addr, const void *callers);
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif //ESP_SYSVIEW_TRACE_H_
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