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https://github.com/espressif/esp-idf.git
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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2016-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "esp_attr.h"
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#include "esp_sleep.h"
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#include "esp_private/pm_trace.h"
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#include "driver/gpio.h"
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#include "soc/soc.h"
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#include "soc/gpio_reg.h"
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/* GPIOs to use for tracing of esp_pm events.
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* Two entries in the array for each type, one for each CPU.
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* Feel free to change when debugging.
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*/
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static const int DRAM_ATTR s_trace_io[] = {
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#if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2
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BIT(4), BIT(5), // ESP_PM_TRACE_IDLE
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BIT(16), BIT(17), // ESP_PM_TRACE_TICK
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BIT(18), BIT(18), // ESP_PM_TRACE_FREQ_SWITCH
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BIT(19), BIT(19), // ESP_PM_TRACE_CCOMPARE_UPDATE
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BIT(25), BIT(26), // ESP_PM_TRACE_ISR_HOOK
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BIT(27), BIT(27), // ESP_PM_TRACE_SLEEP
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#elif CONFIG_IDF_TARGET_ESP32S3
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BIT(4), BIT(5), // ESP_PM_TRACE_IDLE
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BIT(6), BIT(7), // ESP_PM_TRACE_TICK
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BIT(14), BIT(14), // ESP_PM_TRACE_FREQ_SWITCH
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BIT(15), BIT(15), // ESP_PM_TRACE_CCOMPARE_UPDATE
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BIT(16), BIT(17), // ESP_PM_TRACE_ISR_HOOK
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BIT(18), BIT(18), // ESP_PM_TRACE_SLEEP
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#elif CONFIG_IDF_TARGET_ESP32H2
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BIT(2), BIT(3), // ESP_PM_TRACE_IDLE
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BIT(4), BIT(5), // ESP_PM_TRACE_TICK
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BIT(6), BIT(6), // ESP_PM_TRACE_FREQ_SWITCH
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BIT(7), BIT(7), // ESP_PM_TRACE_CCOMPARE_UPDATE
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BIT(8), BIT(9), // ESP_PM_TRACE_ISR_HOOK
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BIT(10), BIT(10), // ESP_PM_TRACE_SLEEP
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#else
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BIT(2), BIT(3), // ESP_PM_TRACE_IDLE
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BIT(4), BIT(5), // ESP_PM_TRACE_TICK
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BIT(6), BIT(6), // ESP_PM_TRACE_FREQ_SWITCH
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BIT(7), BIT(7), // ESP_PM_TRACE_CCOMPARE_UPDATE
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BIT(8), BIT(9), // ESP_PM_TRACE_ISR_HOOK
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BIT(18), BIT(18), // ESP_PM_TRACE_SLEEP
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#endif
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};
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void esp_pm_trace_init(void)
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{
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for (size_t i = 0; i < sizeof(s_trace_io) / sizeof(s_trace_io[0]); ++i) {
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int io = __builtin_ffs(s_trace_io[i]);
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if (io == 0) {
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continue;
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}
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gpio_set_direction(io - 1, GPIO_MODE_OUTPUT);
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}
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#if SOC_PM_SUPPORT_RTC_PERIPH_PD
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/* to force tracing GPIOs to keep state */
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esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
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#endif
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}
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void IRAM_ATTR esp_pm_trace_enter(esp_pm_trace_event_t event, int core_id)
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{
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REG_WRITE(GPIO_OUT_W1TS_REG, s_trace_io[2 * event + core_id]);
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}
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void IRAM_ATTR esp_pm_trace_exit(esp_pm_trace_event_t event, int core_id)
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{
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REG_WRITE(GPIO_OUT_W1TC_REG, s_trace_io[2 * event + core_id]);
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}
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