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