esp-idf/components/esp_pm/pm_trace.c
Shu Chen 6fce2930d0 esp32h2: enable more components to support esp32h2
Involved components:
 * app_trace
 * esp-tls
 * esp_adc_cal
 * esp_pm
 * esp_serial_slave_link
 * esp_timer
 * freertos
 * idf_test
 * log
 * mbedtls
 * newlib
 * perfmon
 * spi_flash
 * spiffs
 * ulp
 * unity
 * vfs
2021-07-01 19:53:11 +08:00

61 lines
2.1 KiB
C

// Copyright 2016-2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "esp_private/pm_trace.h"
#include "driver/gpio.h"
/* GPIOs to use for tracing of esp_pm events.
* Two entries in the array for each type, one for each CPU.
* Feel free to change when debugging.
*/
static const int DRAM_ATTR s_trace_io[] = {
#if !defined(CONFIG_IDF_TARGET_ESP32C3) && !defined(CONFIG_IDF_TARGET_ESP32H2)
BIT(4), BIT(5), // ESP_PM_TRACE_IDLE
BIT(16), BIT(17), // ESP_PM_TRACE_TICK
BIT(18), BIT(18), // ESP_PM_TRACE_FREQ_SWITCH
BIT(19), BIT(19), // ESP_PM_TRACE_CCOMPARE_UPDATE
BIT(25), BIT(26), // ESP_PM_TRACE_ISR_HOOK
BIT(27), BIT(27), // ESP_PM_TRACE_SLEEP
#else
BIT(2), BIT(3), // ESP_PM_TRACE_IDLE
BIT(4), BIT(5), // ESP_PM_TRACE_TICK
BIT(6), BIT(6), // ESP_PM_TRACE_FREQ_SWITCH
BIT(7), BIT(7), // ESP_PM_TRACE_CCOMPARE_UPDATE
BIT(8), BIT(9), // ESP_PM_TRACE_ISR_HOOK
BIT(18), BIT(18), // ESP_PM_TRACE_SLEEP
#endif
};
void esp_pm_trace_init(void)
{
for (size_t i = 0; i < sizeof(s_trace_io)/sizeof(s_trace_io[0]); ++i) {
int io = __builtin_ffs(s_trace_io[i]);
if (io == 0) {
continue;
}
gpio_set_direction(io - 1, GPIO_MODE_OUTPUT);
}
}
void IRAM_ATTR esp_pm_trace_enter(esp_pm_trace_event_t event, int core_id)
{
REG_WRITE(GPIO_OUT_W1TS_REG, s_trace_io[2 * event + core_id]);
}
void IRAM_ATTR esp_pm_trace_exit(esp_pm_trace_event_t event, int core_id)
{
REG_WRITE(GPIO_OUT_W1TC_REG, s_trace_io[2 * event + core_id]);
}