mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
68 lines
2.3 KiB
C
68 lines
2.3 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 CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2
|
|
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
|
|
#elif CONFIG_IDF_TARGET_ESP32S3
|
|
BIT(4), BIT(5), // ESP_PM_TRACE_IDLE
|
|
BIT(6), BIT(7), // ESP_PM_TRACE_TICK
|
|
BIT(14), BIT(14), // ESP_PM_TRACE_FREQ_SWITCH
|
|
BIT(15), BIT(15), // ESP_PM_TRACE_CCOMPARE_UPDATE
|
|
BIT(16), BIT(17), // ESP_PM_TRACE_ISR_HOOK
|
|
BIT(18), BIT(18), // 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]);
|
|
}
|