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OVMS3-idf/components/esp32/test/test_intr_alloc.c
chenjianqiang 9f9da9ec96 feat(timer): refator timer group driver 
1. add hal and low-level layer for timer group
2. add callback functions to handle interrupt
3. add timer deinit function
4. add timer spinlock take function
2019-11-21 14:14:19 +08:00

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/*
Tests for the interrupt allocator.
*/
#include <esp_types.h>
#include <stdio.h>
#if CONFIG_IDF_TARGET_ESP32
#include "esp32/rom/ets_sys.h"
#elif CONFIG_IDF_TARGET_ESP32S2BETA
#include "esp32s2beta/rom/ets_sys.h"
#endif
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "freertos/xtensa_api.h"
#include "unity.h"
#include "soc/uart_periph.h"
#include "soc/dport_reg.h"
#include "soc/gpio_periph.h"
#include "esp_intr_alloc.h"
#include "driver/periph_ctrl.h"
#include "driver/timer.h"
#define TIMER_DIVIDER 16 /*!< Hardware timer clock divider */
#define TIMER_SCALE (TIMER_BASE_CLK / TIMER_DIVIDER) /*!< used to calculate counter value */
#define TIMER_INTERVAL0_SEC (3.4179) /*!< test interval for timer 0 */
#define TIMER_INTERVAL1_SEC (5.78) /*!< test interval for timer 1 */
static void my_timer_init(int timer_group, int timer_idx, int ival)
{
timer_config_t config;
config.alarm_en = 1;
config.auto_reload = 1;
config.counter_dir = TIMER_COUNT_UP;
config.divider = TIMER_DIVIDER;
config.intr_type = TIMER_INTR_LEVEL;
config.counter_en = TIMER_PAUSE;
/*Configure timer*/
timer_init(timer_group, timer_idx, &config);
/*Stop timer counter*/
timer_pause(timer_group, timer_idx);
/*Load counter value */
timer_set_counter_value(timer_group, timer_idx, 0x00000000ULL);
/*Set alarm value*/
timer_set_alarm_value(timer_group, timer_idx, ival);
/*Enable timer interrupt*/
timer_enable_intr(timer_group, timer_idx);
}
static volatile int count[4]={0,0,0,0};
static void timer_isr(void *arg)
{
int timer_idx = (int)arg;
count[timer_idx]++;
if (timer_idx==0) {
timer_group_clr_intr_status_in_isr(TIMER_GROUP_0, TIMER_0);
timer_group_enable_alarm_in_isr(TIMER_GROUP_0, TIMER_0);
}
if (timer_idx==1) {
timer_group_clr_intr_status_in_isr(TIMER_GROUP_0, TIMER_1);
timer_group_enable_alarm_in_isr(TIMER_GROUP_0, TIMER_1);
}
if (timer_idx==2) {
timer_group_clr_intr_status_in_isr(TIMER_GROUP_1, TIMER_0);
timer_group_enable_alarm_in_isr(TIMER_GROUP_1, TIMER_0);
}
if (timer_idx==3) {
timer_group_clr_intr_status_in_isr(TIMER_GROUP_1, TIMER_1);
timer_group_enable_alarm_in_isr(TIMER_GROUP_1, TIMER_1);
}
// ets_printf("int %d\n", timer_idx);
}
static void timer_test(int flags) {
int x;
timer_isr_handle_t inth[4];
my_timer_init(TIMER_GROUP_0, TIMER_0, 110000);
my_timer_init(TIMER_GROUP_0, TIMER_1, 120000);
my_timer_init(TIMER_GROUP_1, TIMER_0, 130000);
my_timer_init(TIMER_GROUP_1, TIMER_1, 140000);
timer_isr_register(TIMER_GROUP_0, TIMER_0, timer_isr, (void*)0, flags|ESP_INTR_FLAG_INTRDISABLED, &inth[0]);
timer_isr_register(TIMER_GROUP_0, TIMER_1, timer_isr, (void*)1, flags, &inth[1]);
timer_isr_register(TIMER_GROUP_1, TIMER_0, timer_isr, (void*)2, flags, &inth[2]);
timer_isr_register(TIMER_GROUP_1, TIMER_1, timer_isr, (void*)3, flags, &inth[3]);
timer_start(TIMER_GROUP_0, TIMER_0);
timer_start(TIMER_GROUP_0, TIMER_1);
timer_start(TIMER_GROUP_1, TIMER_0);
timer_start(TIMER_GROUP_1, TIMER_1);
for (x=0; x<4; x++) count[x]=0;
printf("Interrupts allocated: %d (dis) %d %d %d\n",
esp_intr_get_intno(inth[0]), esp_intr_get_intno(inth[1]),
esp_intr_get_intno(inth[2]), esp_intr_get_intno(inth[3]));
printf("Timer values on start: %d %d %d %d\n", count[0], count[1], count[2], count[3]);
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer values after 1 sec: %d %d %d %d\n", count[0], count[1], count[2], count[3]);
TEST_ASSERT(count[0]==0);
TEST_ASSERT(count[1]!=0);
TEST_ASSERT(count[2]!=0);
TEST_ASSERT(count[3]!=0);
printf("Disabling timers 1 and 2...\n");
esp_intr_enable(inth[0]);
esp_intr_disable(inth[1]);
esp_intr_disable(inth[2]);
for (x=0; x<4; x++) count[x]=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer values after 1 sec: %d %d %d %d\n", count[0], count[1], count[2], count[3]);
TEST_ASSERT(count[0]!=0);
TEST_ASSERT(count[1]==0);
TEST_ASSERT(count[2]==0);
TEST_ASSERT(count[3]!=0);
printf("Disabling other half...\n");
esp_intr_enable(inth[1]);
esp_intr_enable(inth[2]);
esp_intr_disable(inth[0]);
esp_intr_disable(inth[3]);
for (x=0; x<4; x++) count[x]=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer values after 1 sec: %d %d %d %d\n", count[0], count[1], count[2], count[3]);
TEST_ASSERT(count[0]==0);
TEST_ASSERT(count[1]!=0);
TEST_ASSERT(count[2]!=0);
TEST_ASSERT(count[3]==0);
printf("Done.\n");
esp_intr_free(inth[0]);
esp_intr_free(inth[1]);
esp_intr_free(inth[2]);
esp_intr_free(inth[3]);
}
static volatile int int_timer_ctr;
void int_timer_handler(void *arg) {
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
int_timer_ctr++;
}
void local_timer_test(void)
{
intr_handle_t ih;
esp_err_t r;
r=esp_intr_alloc(ETS_INTERNAL_TIMER1_INTR_SOURCE, 0, int_timer_handler, NULL, &ih);
TEST_ASSERT(r==ESP_OK);
printf("Int timer 1 intno %d\n", esp_intr_get_intno(ih));
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
int_timer_ctr=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr!=0);
printf("Disabling int\n");
esp_intr_disable(ih);
int_timer_ctr=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr==0);
printf("Re-enabling\n");
esp_intr_enable(ih);
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr!=0);
printf("Free int, re-alloc disabled\n");
r=esp_intr_free(ih);
TEST_ASSERT(r==ESP_OK);
r=esp_intr_alloc(ETS_INTERNAL_TIMER1_INTR_SOURCE, ESP_INTR_FLAG_INTRDISABLED, int_timer_handler, NULL, &ih);
TEST_ASSERT(r==ESP_OK);
int_timer_ctr=0;
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr==0);
printf("Re-enabling\n");
esp_intr_enable(ih);
vTaskDelay(1000 / portTICK_PERIOD_MS);
printf("Timer val after 1 sec: %d\n", int_timer_ctr);
TEST_ASSERT(int_timer_ctr!=0);
r=esp_intr_free(ih);
TEST_ASSERT(r==ESP_OK);
printf("Done.\n");
}
TEST_CASE("Intr_alloc test, CPU-local int source", "[esp32]")
{
local_timer_test();
}
TEST_CASE("Intr_alloc test, private ints", "[esp32]")
{
timer_test(0);
}
TEST_CASE("Intr_alloc test, shared ints", "[esp32]")
{
timer_test(ESP_INTR_FLAG_SHARED);
}
TEST_CASE("Can allocate IRAM int only with an IRAM handler", "[esp32]")
{
void dummy(void* arg)
{
}
IRAM_ATTR void dummy_iram(void* arg)
{
}
RTC_IRAM_ATTR void dummy_rtc(void* arg)
{
}
intr_handle_t ih;
esp_err_t err = esp_intr_alloc(ETS_INTERNAL_PROFILING_INTR_SOURCE,
ESP_INTR_FLAG_IRAM, &dummy, NULL, &ih);
TEST_ASSERT_EQUAL_INT(ESP_ERR_INVALID_ARG, err);
err = esp_intr_alloc(ETS_INTERNAL_PROFILING_INTR_SOURCE,
ESP_INTR_FLAG_IRAM, &dummy_iram, NULL, &ih);
TEST_ESP_OK(err);
err = esp_intr_free(ih);
TEST_ESP_OK(err);
err = esp_intr_alloc(ETS_INTERNAL_PROFILING_INTR_SOURCE,
ESP_INTR_FLAG_IRAM, &dummy_rtc, NULL, &ih);
TEST_ESP_OK(err);
err = esp_intr_free(ih);
TEST_ESP_OK(err);
}
#include "soc/spi_periph.h"
typedef struct {
bool flag1;
bool flag2;
bool flag3;
bool flag4;
} intr_alloc_test_ctx_t;
void IRAM_ATTR int_handler1(void* arg)
{
intr_alloc_test_ctx_t* ctx=(intr_alloc_test_ctx_t*)arg;
ets_printf("handler 1 called.\n");
if ( ctx->flag1 ) {
ctx->flag3 = true;
} else {
ctx->flag1 = true;
}
SPI2.slave.trans_done = 0;
}
void IRAM_ATTR int_handler2(void* arg)
{
intr_alloc_test_ctx_t* ctx = (intr_alloc_test_ctx_t*)arg;
ets_printf("handler 2 called.\n");
if ( ctx->flag2 ) {
ctx->flag4 = true;
} else {
ctx->flag2 = true;
}
}
TEST_CASE("allocate 2 handlers for a same source and remove the later one","[esp32]")
{
intr_alloc_test_ctx_t ctx = {false, false, false, false };
intr_handle_t handle1, handle2;
//enable HSPI(spi2)
periph_module_enable(PERIPH_HSPI_MODULE);
esp_err_t r;
r=esp_intr_alloc(ETS_SPI2_INTR_SOURCE, ESP_INTR_FLAG_SHARED, int_handler1, &ctx, &handle1);
TEST_ESP_OK(r);
//try an invalid assign first
r=esp_intr_alloc(ETS_SPI2_INTR_SOURCE, 0, int_handler2, NULL, &handle2);
TEST_ASSERT_EQUAL_INT(r, ESP_ERR_NOT_FOUND );
//assign shared then
r=esp_intr_alloc(ETS_SPI2_INTR_SOURCE, ESP_INTR_FLAG_SHARED, int_handler2, &ctx, &handle2);
TEST_ESP_OK(r);
SPI2.slave.trans_inten = 1;
printf("trigger first time.\n");
SPI2.slave.trans_done = 1;
vTaskDelay(100);
TEST_ASSERT( ctx.flag1 && ctx.flag2 );
printf("remove intr 1.\n");
r=esp_intr_free(handle2);
printf("trigger second time.\n");
SPI2.slave.trans_done = 1;
vTaskDelay(500);
TEST_ASSERT( ctx.flag3 && !ctx.flag4 );
printf("test passed.\n");
}
#ifndef CONFIG_FREERTOS_UNICORE
void isr_free_task(void *param)
{
esp_err_t ret = ESP_FAIL;
intr_handle_t *test_handle = (intr_handle_t *)param;
if(*test_handle != NULL) {
ret = esp_intr_free(*test_handle);
if(ret == ESP_OK) {
*test_handle = NULL;
}
}
vTaskDelete(NULL);
}
void isr_alloc_free_test(void)
{
intr_handle_t test_handle = NULL;
esp_err_t ret = esp_intr_alloc(ETS_SPI2_INTR_SOURCE, 0, int_handler1, NULL, &test_handle);
if(ret != ESP_OK) {
printf("alloc isr handle fail\n");
} else {
printf("alloc isr handle on core %d\n",esp_intr_get_cpu(test_handle));
}
TEST_ASSERT(ret == ESP_OK);
xTaskCreatePinnedToCore(isr_free_task, "isr_free_task", 1024*2, (void *)&test_handle, 10, NULL, !xPortGetCoreID());
vTaskDelay(1000/portTICK_RATE_MS);
TEST_ASSERT(test_handle == NULL);
printf("test passed\n");
}
TEST_CASE("alloc and free isr handle on different core", "[esp32]")
{
isr_alloc_free_test();
}
#endif
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