esp-idf/components/esp32/test/test_pm.c
2018-03-27 11:20:55 +08:00

52 lines
1.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include "unity.h"
#include "esp_pm.h"
#include "esp_clk.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
TEST_CASE("Can dump power management lock stats", "[pm]")
{
esp_pm_dump_locks(stdout);
}
#ifdef CONFIG_PM_ENABLE
static void switch_freq(int mhz)
{
rtc_cpu_freq_t max_freq;
assert(rtc_clk_cpu_freq_from_mhz(mhz, &max_freq));
esp_pm_config_esp32_t pm_config = {
.max_cpu_freq = max_freq,
.min_cpu_freq = RTC_CPU_FREQ_XTAL,
};
ESP_ERROR_CHECK( esp_pm_configure(&pm_config) );
printf("Waiting for frequency to be set to %d (%d MHz)...\n", max_freq, mhz);
while (esp_clk_cpu_freq() / 1000000 != mhz) {
vTaskDelay(pdMS_TO_TICKS(1000));
printf("Frequency is %d MHz\n", esp_clk_cpu_freq());
}
printf("Frequency is set to %d MHz\n", mhz);
}
TEST_CASE("Can switch frequency using esp_pm_configure", "[pm]")
{
int orig_freq_mhz = esp_clk_cpu_freq() / 1000000;
switch_freq(240);
switch_freq(40);
switch_freq(160);
switch_freq(240);
switch_freq(80);
switch_freq(40);
switch_freq(240);
switch_freq(40);
switch_freq(80);
switch_freq(orig_freq_mhz);
}
#endif // CONFIG_PM_ENABLE