302 lines
11 KiB
C
302 lines
11 KiB
C
/*********************************************************************
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* SEGGER Microcontroller GmbH & Co. KG *
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* The Embedded Experts *
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**********************************************************************
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* *
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* (c) 2015 - 2017 SEGGER Microcontroller GmbH & Co. KG *
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* *
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* www.segger.com Support: support@segger.com *
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* *
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**********************************************************************
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* *
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* SEGGER SystemView * Real-time application analysis *
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* *
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**********************************************************************
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* *
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* All rights reserved. *
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* *
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* SEGGER strongly recommends to not make any changes *
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* to or modify the source code of this software in order to stay *
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* compatible with the RTT protocol and J-Link. *
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* *
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* Redistribution and use in source and binary forms, with or *
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* without modification, are permitted provided that the following *
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* conditions are met: *
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* *
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* o Redistributions of source code must retain the above copyright *
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* notice, this list of conditions and the following disclaimer. *
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* *
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* o Redistributions in binary form must reproduce the above *
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* copyright notice, this list of conditions and the following *
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* disclaimer in the documentation and/or other materials provided *
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* with the distribution. *
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* *
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* o Neither the name of SEGGER Microcontroller GmbH & Co. KG *
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* nor the names of its contributors may be used to endorse or *
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* promote products derived from this software without specific *
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* prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
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* DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
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* DAMAGE. *
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* *
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**********************************************************************
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* *
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* SystemView version: V2.42 *
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* *
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**********************************************************************
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-------------------------- END-OF-HEADER -----------------------------
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File : SEGGER_SYSVIEW_Config_FreeRTOS.c
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Purpose : Sample setup configuration of SystemView with FreeRTOS.
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Revision: $Rev: 3734 $
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*/
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#include "freertos/FreeRTOS.h"
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#include "SEGGER_SYSVIEW.h"
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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/rom/ets_sys.h"
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#include "esp32/clk.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/rom/ets_sys.h"
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#include "esp32s2/clk.h"
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#endif
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#include "esp_app_trace.h"
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#include "esp_app_trace_util.h"
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#include "esp_intr_alloc.h"
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#include "soc/soc.h"
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#include "soc/interrupts.h"
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#if CONFIG_IDF_TARGET_ESP32
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#include "esp32/rom/ets_sys.h"
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#include "esp32/clk.h"
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/rom/ets_sys.h"
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#include "esp32s2/clk.h"
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#endif
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extern const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI;
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/*********************************************************************
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*
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* Defines, configurable
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*
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**********************************************************************
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*/
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// The application name to be displayed in SystemViewer
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#define SYSVIEW_APP_NAME "FreeRTOS Application"
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// The target device name
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#define SYSVIEW_DEVICE_NAME CONFIG_IDF_TARGET
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// Determine which timer to use as timestamp source
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#if CONFIG_SYSVIEW_TS_SOURCE_CCOUNT
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#define TS_USE_CCOUNT 1
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#elif CONFIG_SYSVIEW_TS_SOURCE_ESP_TIMER
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#define TS_USE_ESP_TIMER 1
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#else
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#define TS_USE_TIMERGROUP 1
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#endif
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#if TS_USE_TIMERGROUP
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#include "driver/timer.h"
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// Timer group timer divisor
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#define SYSVIEW_TIMER_DIV 2
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// Frequency of the timestamp.
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#define SYSVIEW_TIMESTAMP_FREQ (esp_clk_apb_freq() / SYSVIEW_TIMER_DIV)
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// Timer ID and group ID
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#if defined(CONFIG_SYSVIEW_TS_SOURCE_TIMER_00) || defined(CONFIG_SYSVIEW_TS_SOURCE_TIMER_01)
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#define TS_TIMER_ID 0
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#else
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#define TS_TIMER_ID 1
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#endif // TIMER_00 || TIMER_01
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#if defined(CONFIG_SYSVIEW_TS_SOURCE_TIMER_00) || defined(CONFIG_SYSVIEW_TS_SOURCE_TIMER_10)
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#define TS_TIMER_GROUP 0
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#else
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#define TS_TIMER_GROUP 1
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#endif // TIMER_00 || TIMER_10
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#endif // TS_USE_TIMERGROUP
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#if TS_USE_ESP_TIMER
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// esp_timer provides 1us resolution
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#define SYSVIEW_TIMESTAMP_FREQ (1000000)
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#endif // TS_USE_ESP_TIMER
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#if TS_USE_CCOUNT
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// CCOUNT is incremented at CPU frequency
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#if CONFIG_IDF_TARGET_ESP32
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#define SYSVIEW_TIMESTAMP_FREQ (CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ * 1000000)
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#elif CONFIG_IDF_TARGET_ESP32S2
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#define SYSVIEW_TIMESTAMP_FREQ (CONFIG_ESP32S2_DEFAULT_CPU_FREQ_MHZ * 1000000)
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#endif
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#endif // TS_USE_CCOUNT
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// System Frequency.
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#define SYSVIEW_CPU_FREQ (esp_clk_cpu_freq())
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// The lowest RAM address used for IDs (pointers)
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#define SYSVIEW_RAM_BASE (SOC_DROM_LOW)
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#if CONFIG_FREERTOS_CORETIMER_0
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#define SYSTICK_INTR_ID (ETS_INTERNAL_TIMER0_INTR_SOURCE+ETS_INTERNAL_INTR_SOURCE_OFF)
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#endif
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#if CONFIG_FREERTOS_CORETIMER_1
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#define SYSTICK_INTR_ID (ETS_INTERNAL_TIMER1_INTR_SOURCE+ETS_INTERNAL_INTR_SOURCE_OFF)
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#endif
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// SystemView is single core specific: it implies that SEGGER_SYSVIEW_LOCK()
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// disables IRQs (disables rescheduling globally). So we can not use finite timeouts for locks and return error
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// in case of expiration, because error will not be handled and SEGGER's code will go further implying that
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// everything is fine, so for multi-core env we have to wait on underlying lock forever
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#define SEGGER_LOCK_WAIT_TMO ESP_APPTRACE_TMO_INFINITE
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static esp_apptrace_lock_t s_sys_view_lock = {.mux = portMUX_INITIALIZER_UNLOCKED, .int_state = 0};
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/*********************************************************************
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*
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* _cbSendSystemDesc()
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*
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* Function description
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* Sends SystemView description strings.
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*/
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static void _cbSendSystemDesc(void) {
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char irq_str[32];
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SEGGER_SYSVIEW_SendSysDesc("N="SYSVIEW_APP_NAME",D="SYSVIEW_DEVICE_NAME",C=Xtensa,O=FreeRTOS");
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snprintf(irq_str, sizeof(irq_str), "I#%d=SysTick", SYSTICK_INTR_ID);
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SEGGER_SYSVIEW_SendSysDesc(irq_str);
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size_t isr_count = sizeof(esp_isr_names)/sizeof(esp_isr_names[0]);
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for (size_t i = 0; i < isr_count; ++i) {
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snprintf(irq_str, sizeof(irq_str), "I#%d=%s", ETS_INTERNAL_INTR_SOURCE_OFF + i, esp_isr_names[i]);
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SEGGER_SYSVIEW_SendSysDesc(irq_str);
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}
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}
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/*********************************************************************
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*
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* Global functions
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*
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**********************************************************************
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*/
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static void SEGGER_SYSVIEW_TS_Init(void)
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{
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/* We only need to initialize something if we use Timer Group.
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* esp_timer and ccount can be used as is.
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*/
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#if TS_USE_TIMERGROUP
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timer_config_t config = {
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.alarm_en = 0,
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.auto_reload = 0,
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.counter_dir = TIMER_COUNT_UP,
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.divider = SYSVIEW_TIMER_DIV,
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.counter_en = 0
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};
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/* Configure timer */
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timer_init(TS_TIMER_GROUP, TS_TIMER_ID, &config);
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/* Load counter value */
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timer_set_counter_value(TS_TIMER_GROUP, TS_TIMER_ID, 0x00000000ULL);
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/* Start counting */
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timer_start(TS_TIMER_GROUP, TS_TIMER_ID);
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#endif // TS_USE_TIMERGROUP
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}
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void SEGGER_SYSVIEW_Conf(void) {
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U32 disable_evts = 0;
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SEGGER_SYSVIEW_TS_Init();
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SEGGER_SYSVIEW_Init(SYSVIEW_TIMESTAMP_FREQ, SYSVIEW_CPU_FREQ,
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&SYSVIEW_X_OS_TraceAPI, _cbSendSystemDesc);
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SEGGER_SYSVIEW_SetRAMBase(SYSVIEW_RAM_BASE);
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#if !CONFIG_SYSVIEW_EVT_OVERFLOW_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_OVERFLOW;
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#endif
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#if !CONFIG_SYSVIEW_EVT_ISR_ENTER_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_ISR_ENTER;
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#endif
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#if !CONFIG_SYSVIEW_EVT_ISR_EXIT_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_ISR_EXIT;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TASK_START_EXEC_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TASK_START_EXEC;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TASK_STOP_EXEC_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TASK_STOP_EXEC;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TASK_START_READY_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TASK_START_READY;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TASK_STOP_READY_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TASK_STOP_READY;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TASK_CREATE_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TASK_CREATE;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TASK_TERMINATE_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TASK_TERMINATE;
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#endif
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#if !CONFIG_SYSVIEW_EVT_IDLE_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_IDLE;
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#endif
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#if !CONFIG_SYSVIEW_EVT_ISR_TO_SCHEDULER_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_ISR_TO_SCHEDULER;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TIMER_ENTER_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TIMER_ENTER;
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#endif
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#if !CONFIG_SYSVIEW_EVT_TIMER_EXIT_ENABLE
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disable_evts |= SYSVIEW_EVTMASK_TIMER_EXIT;
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#endif
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SEGGER_SYSVIEW_DisableEvents(disable_evts);
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}
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U32 SEGGER_SYSVIEW_X_GetTimestamp(void)
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{
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#if TS_USE_TIMERGROUP
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uint64_t ts = 0;
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timer_get_counter_value(TS_TIMER_GROUP, TS_TIMER_ID, &ts);
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return (U32) ts; // return lower part of counter value
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#elif TS_USE_CCOUNT
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return portGET_RUN_TIME_COUNTER_VALUE();
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#elif TS_USE_ESP_TIMER
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return (U32) esp_timer_get_time(); // return lower part of counter value
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#endif
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}
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void SEGGER_SYSVIEW_X_RTT_Lock(void)
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{
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}
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void SEGGER_SYSVIEW_X_RTT_Unlock(void)
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{
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}
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unsigned SEGGER_SYSVIEW_X_SysView_Lock(void)
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{
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esp_apptrace_tmo_t tmo;
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esp_apptrace_tmo_init(&tmo, SEGGER_LOCK_WAIT_TMO);
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esp_apptrace_lock_take(&s_sys_view_lock, &tmo);
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// to be recursive save IRQ status on the stack of the caller to keep it from overwriting
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return s_sys_view_lock.int_state;
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}
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void SEGGER_SYSVIEW_X_SysView_Unlock(unsigned int_state)
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{
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s_sys_view_lock.int_state = int_state;
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esp_apptrace_lock_give(&s_sys_view_lock);
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}
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/*************************** End of file ****************************/
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