tests: use new CPU frequency setting API

This commit is contained in:
Ivan Grokhotkov 2018-07-29 10:51:19 +03:00
parent c722cf3e06
commit bcf79e5cf2
4 changed files with 62 additions and 47 deletions

View file

@ -1,11 +1,12 @@
#include <esp_types.h>
#include <stdio.h>
#include <stdlib.h>
#include "esp_types.h"
#include "esp_clk.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/xtensa_timer.h"
#include "soc/cpu.h"
#include "unity.h"
#include "rom/uart.h"
@ -99,49 +100,52 @@ TEST_CASE("access DPORT and APB at same time", "[esp32]")
{
dport_test_result = false;
apb_test_result = false;
printf("CPU_FREQ = %d MHz\n", rtc_clk_cpu_freq_value(rtc_clk_cpu_freq_get()) / MHZ);
printf("CPU_FREQ = %d MHz\n", esp_clk_cpu_freq());
run_tasks("accessDPORT", accessDPORT, "accessAPB", accessAPB, 10000);
}
void run_tasks_with_change_freq_cpu (rtc_cpu_freq_t cpu_freq)
void run_tasks_with_change_freq_cpu(int cpu_freq_mhz)
{
dport_test_result = false;
apb_test_result = false;
rtc_cpu_freq_t cur_freq = rtc_clk_cpu_freq_get();
uint32_t freq_before_changed = rtc_clk_cpu_freq_value(cur_freq) / MHZ;
uint32_t freq_changed = freq_before_changed;
printf("CPU_FREQ = %d MHz\n", freq_before_changed);
if (cur_freq != cpu_freq) {
uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
rtc_clk_cpu_freq_set(cpu_freq);
const int uart_num = CONFIG_CONSOLE_UART_NUM;
const int uart_baud = CONFIG_CONSOLE_UART_BAUDRATE;
uart_div_modify(uart_num, (rtc_clk_apb_freq_get() << 4) / uart_baud);
freq_changed = rtc_clk_cpu_freq_value(rtc_clk_cpu_freq_get()) / MHZ;
printf("CPU_FREQ switching to %d MHz\n", freq_changed);
}
run_tasks("accessDPORT", accessDPORT, "accessAPB", accessAPB, 10000 / ((freq_before_changed <= freq_changed) ? 1 : (freq_before_changed / freq_changed)));
// return old freq.
uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
rtc_clk_cpu_freq_set(cur_freq);
const int uart_num = CONFIG_CONSOLE_UART_NUM;
const int uart_baud = CONFIG_CONSOLE_UART_BAUDRATE;
dport_test_result = false;
apb_test_result = false;
rtc_cpu_freq_config_t old_config;
rtc_clk_cpu_freq_get_config(&old_config);
printf("CPU_FREQ = %d MHz\n", old_config.freq_mhz);
if (cpu_freq_mhz != old_config.freq_mhz) {
rtc_cpu_freq_config_t new_config;
bool res = rtc_clk_cpu_freq_mhz_to_config(cpu_freq_mhz, &new_config);
assert(res && "invalid frequency value");
uart_tx_wait_idle(uart_num);
rtc_clk_cpu_freq_set_config(&new_config);
uart_div_modify(uart_num, (rtc_clk_apb_freq_get() << 4) / uart_baud);
/* adjust RTOS ticks */
_xt_tick_divisor = cpu_freq_mhz * 1000000 / XT_TICK_PER_SEC;
vTaskDelay(2);
printf("CPU_FREQ switched to %d MHz\n", cpu_freq_mhz);
}
run_tasks("accessDPORT", accessDPORT, "accessAPB", accessAPB, 10000);
// return old freq.
uart_tx_wait_idle(uart_num);
rtc_clk_cpu_freq_set_config(&old_config);
uart_div_modify(uart_num, (rtc_clk_apb_freq_get() << 4) / uart_baud);
_xt_tick_divisor = old_config.freq_mhz * 1000000 / XT_TICK_PER_SEC;
}
TEST_CASE("access DPORT and APB at same time (Freq CPU and APB = 80 MHz)", "[esp32] [ignore]")
{
run_tasks_with_change_freq_cpu(RTC_CPU_FREQ_80M);
run_tasks_with_change_freq_cpu(80);
}
TEST_CASE("access DPORT and APB at same time (Freq CPU and APB = 40 MHz (XTAL))", "[esp32]")
{
run_tasks_with_change_freq_cpu(RTC_CPU_FREQ_XTAL);
run_tasks_with_change_freq_cpu((int) rtc_clk_xtal_freq_get());
}
static uint32_t stall_other_cpu_counter;

View file

@ -2,6 +2,7 @@
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <sys/param.h>
#include "unity.h"
#include "esp_pm.h"
#include "esp_clk.h"
@ -25,19 +26,17 @@ TEST_CASE("Can dump power management lock stats", "[pm]")
static void switch_freq(int mhz)
{
rtc_cpu_freq_t max_freq;
assert(rtc_clk_cpu_freq_from_mhz(mhz, &max_freq));
int xtal_freq = rtc_clk_xtal_freq_get();
esp_pm_config_esp32_t pm_config = {
.max_cpu_freq = max_freq,
.min_cpu_freq = RTC_CPU_FREQ_XTAL,
.max_freq_mhz = mhz,
.min_freq_mhz = MIN(mhz, xtal_freq),
};
ESP_ERROR_CHECK( esp_pm_configure(&pm_config) );
printf("Waiting for frequency to be set to %d (%d MHz)...\n", max_freq, mhz);
printf("Waiting for frequency to be set to %d MHz...\n", mhz);
while (esp_clk_cpu_freq() / 1000000 != mhz) {
vTaskDelay(pdMS_TO_TICKS(1000));
printf("Frequency is %d MHz\n", esp_clk_cpu_freq());
vTaskDelay(pdMS_TO_TICKS(200));
printf("Frequency is %d MHz\n", esp_clk_cpu_freq() / 1000000);
}
printf("Frequency is set to %d MHz\n", mhz);
}
TEST_CASE("Can switch frequency using esp_pm_configure", "[pm]")
@ -52,6 +51,10 @@ TEST_CASE("Can switch frequency using esp_pm_configure", "[pm]")
switch_freq(240);
switch_freq(40);
switch_freq(80);
switch_freq(10);
switch_freq(80);
switch_freq(20);
switch_freq(40);
switch_freq(orig_freq_mhz);
}

View file

@ -177,13 +177,16 @@ TEST_CASE("light sleep and frequency switching", "[deepsleep]")
uart_div_modify(CONFIG_CONSOLE_UART_NUM, (uart_clk_freq << 4) / CONFIG_CONSOLE_UART_BAUDRATE);
#endif
rtc_cpu_freq_config_t config_xtal, config_default;
rtc_clk_cpu_freq_get_config(&config_default);
rtc_clk_cpu_freq_mhz_to_config((int) rtc_clk_xtal_freq_get(), &config_xtal);
esp_sleep_enable_timer_wakeup(1000);
rtc_cpu_freq_t default_freq = rtc_clk_cpu_freq_get();
for (int i = 0; i < 1000; ++i) {
if (i % 2 == 0) {
rtc_clk_cpu_freq_set_fast(RTC_CPU_FREQ_XTAL);
rtc_clk_cpu_freq_set_config_fast(&config_xtal);
} else {
rtc_clk_cpu_freq_set_fast(default_freq);
rtc_clk_cpu_freq_set_config_fast(&config_default);
}
printf("%d\n", i);
fflush(stdout);

View file

@ -95,7 +95,7 @@ TEST_CASE("Output 8M XTAL clock to GPIO25", "[rtc_clk][ignore]")
pull_out_clk(RTC_IO_DEBUG_SEL0_8M);
}
static void test_clock_switching(void (*switch_func)(rtc_cpu_freq_t))
static void test_clock_switching(void (*switch_func)(const rtc_cpu_freq_config_t* config))
{
uart_tx_wait_idle(CONFIG_CONSOLE_UART_NUM);
@ -103,11 +103,16 @@ static void test_clock_switching(void (*switch_func)(rtc_cpu_freq_t))
ref_clock_init();
uint64_t t_start = ref_clock_get();
rtc_cpu_freq_t cur_freq = rtc_clk_cpu_freq_get();
rtc_cpu_freq_config_t cur_config;
rtc_clk_cpu_freq_get_config(&cur_config);
rtc_cpu_freq_config_t xtal_config;
rtc_clk_cpu_freq_mhz_to_config((uint32_t) rtc_clk_xtal_freq_get(), &xtal_config);
int count = 0;
while (ref_clock_get() - t_start < test_duration_sec * 1000000) {
switch_func(RTC_CPU_FREQ_XTAL);
switch_func(cur_freq);
switch_func(&xtal_config);
switch_func(&cur_config);
++count;
}
uint64_t t_end = ref_clock_get();
@ -126,12 +131,12 @@ TEST_CASE("Calculate 8M clock frequency", "[rtc_clk]")
TEST_CASE("Test switching between PLL and XTAL", "[rtc_clk]")
{
test_clock_switching(rtc_clk_cpu_freq_set);
test_clock_switching(rtc_clk_cpu_freq_set_config);
}
TEST_CASE("Test fast switching between PLL and XTAL", "[rtc_clk]")
{
test_clock_switching(rtc_clk_cpu_freq_set_fast);
test_clock_switching(rtc_clk_cpu_freq_set_config_fast);
}
#define COUNT_TEST 3