I have two working codes separately:
-ISR triggering with 111us period by timer
-Wifi station mode from example
Problem:
When I join these codes together i have panic. It hangs already on nvs_flash_init()
ISR takes 5us to realize. Measured with esp_timer_get_time()
- /*
- esp-idf 4.2
- 04-2021
- */
- #include "sdkconfig.h"
- #include "freertos/FreeRTOS.h"
- #include "freertos/task.h"
- #include "freertos/event_groups.h"
- #include "esp_wifi.h"
- #include "driver/rmt.h"
- #include "driver/timer.h"
- #include "driver/i2c.h"
- #include "driver/adc.h"
- #include "esp_intr_alloc.h"
- #include "esp_log.h"
- #include "esp_sntp.h"
- #include "nvs_flash.h"
- #include "esp_event.h"
- #include "lwip/err.h"
- #include "lwip/sys.h"
- #define EXAMPLE_ESP_WIFI_SSID "ssid"
- #define EXAMPLE_ESP_WIFI_PASS "password"
- #define EXAMPLE_ESP_MAXIMUM_RETRY 5
- volatile uint8_t ktora_anoda=0, przyciemnij=0, crossfade_etap=16;
- uint8_t bufor0[6]={0,0,0,0,0,0};
- uint8_t bufor1[6]={0,0,0,0,0,0};
- static EventGroupHandle_t s_wifi_event_group;
- #define WIFI_CONNECTED_BIT BIT0
- #define WIFI_FAIL_BIT BIT1
- static const char *TAG = "wifi station";
- static int s_retry_num = 0;
- static void event_handler(void* arg, esp_event_base_t event_base,
- int32_t event_id, void* event_data)
- {
- if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
- esp_wifi_connect();
- } else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
- if (s_retry_num < EXAMPLE_ESP_MAXIMUM_RETRY) {
- esp_wifi_connect();
- s_retry_num++;
- ESP_LOGI(TAG, "retry to connect to the AP");
- } else {
- xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
- }
- ESP_LOGI(TAG,"connect to the AP fail");
- } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
- ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
- ESP_LOGI(TAG, "got ip:" IPSTR, IP2STR(&event->ip_info.ip));
- s_retry_num = 0;
- xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
- }
- }
- void IRAM_ATTR ustaw_katode(uint8_t katoda){
- switch(katoda){
- case 0: gpio_set_level(GPIO_NUM_27,0);
- gpio_set_level(GPIO_NUM_26,0);
- gpio_set_level(GPIO_NUM_33,0);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 1: gpio_set_level(GPIO_NUM_27,1);
- gpio_set_level(GPIO_NUM_26,0);
- gpio_set_level(GPIO_NUM_33,0);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 2: gpio_set_level(GPIO_NUM_27,0);
- gpio_set_level(GPIO_NUM_26,1);
- gpio_set_level(GPIO_NUM_33,0);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 3: gpio_set_level(GPIO_NUM_27,1);
- gpio_set_level(GPIO_NUM_26,1);
- gpio_set_level(GPIO_NUM_33,0);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 4: gpio_set_level(GPIO_NUM_27,0);
- gpio_set_level(GPIO_NUM_26,0);
- gpio_set_level(GPIO_NUM_33,1);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 5: gpio_set_level(GPIO_NUM_27,1);
- gpio_set_level(GPIO_NUM_26,0);
- gpio_set_level(GPIO_NUM_33,1);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 6: gpio_set_level(GPIO_NUM_27,0);
- gpio_set_level(GPIO_NUM_26,1);
- gpio_set_level(GPIO_NUM_33,1);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 7: gpio_set_level(GPIO_NUM_27,1);
- gpio_set_level(GPIO_NUM_26,1);
- gpio_set_level(GPIO_NUM_33,1);
- gpio_set_level(GPIO_NUM_32,0);
- break;
- case 8: gpio_set_level(GPIO_NUM_27,0);
- gpio_set_level(GPIO_NUM_26,0);
- gpio_set_level(GPIO_NUM_33,0);
- gpio_set_level(GPIO_NUM_32,1);
- break;
- case 9: gpio_set_level(GPIO_NUM_27,1);
- gpio_set_level(GPIO_NUM_26,0);
- gpio_set_level(GPIO_NUM_33,0);
- gpio_set_level(GPIO_NUM_32,1);
- break;
- case 10: gpio_set_level(GPIO_NUM_17,0);
- gpio_set_level(GPIO_NUM_16,0);
- gpio_set_level(GPIO_NUM_4,0);
- gpio_set_level(GPIO_NUM_23,0);
- gpio_set_level(GPIO_NUM_15,0);
- gpio_set_level(GPIO_NUM_13,0);
- break;
- }
- }
- void IRAM_ATTR przerwanie_od_timer_mux(){
- timer_spinlock_take(TIMER_GROUP_0);
- static uint16_t j_crossfade=0;
- static uint8_t i_crossfade=0, i_multiplexowanie=0;
- if(i_multiplexowanie>=15){
- i_multiplexowanie=0;
- ustaw_katode(10); //zgaszenie
- static unsigned char i_przyciemnianie=0;
- if(!przyciemnij || (++i_przyciemnianie >= 6)){
- i_przyciemnianie=0;
- if(++ktora_anoda > 5) ktora_anoda=0;
- if(ktora_anoda == 0){
- gpio_set_level(GPIO_NUM_17,1);
- }
- if(ktora_anoda == 1){
- gpio_set_level(GPIO_NUM_16,1);
- }
- if(ktora_anoda == 2){
- gpio_set_level(GPIO_NUM_4,1);
- }
- if(ktora_anoda == 3){
- gpio_set_level(GPIO_NUM_23,1);
- }
- if(ktora_anoda == 4){
- gpio_set_level(GPIO_NUM_15,1);
- }
- if(ktora_anoda == 5){
- gpio_set_level(GPIO_NUM_13,1);
- }
- }
- }
- else{
- i_multiplexowanie++;
- }
- if(przyciemnij){
- j_crossfade+=35;
- }
- else{
- j_crossfade+=111; // 1 - 62ms
- } // 2 - 124ms
- // 3 - 186ms
- if(j_crossfade >= 3885){ // 4 - 248ms
- j_crossfade=0; // 5 - 310ms
- if(++i_crossfade >= 11){ // 6 - 373ms
- if(crossfade_etap <= 15){ // 7 - 435ms
- crossfade_etap++; // 8 - 497ms
- } // 9 - 559ms
- i_crossfade=0; // 10 - 621ms
- } // 11 - 683ms
- } // 12 - 746ms
- // 13 - 808ms
- if(i_multiplexowanie>=crossfade_etap){
- ustaw_katode(bufor0[ktora_anoda]);
- }
- else{
- ustaw_katode(bufor1[ktora_anoda]);
- }
- TIMERG0.int_clr_timers.t0 = 1;
- TIMERG0.hw_timer[TIMER_0].config.alarm_en = 1;
- timer_spinlock_give(TIMER_GROUP_0);
- }
- void app_main(void){
- gpio_pad_select_gpio(GPIO_NUM_4);
- gpio_pad_select_gpio(GPIO_NUM_12);
- gpio_pad_select_gpio(GPIO_NUM_13);
- gpio_pad_select_gpio(GPIO_NUM_14);
- gpio_pad_select_gpio(GPIO_NUM_15);
- gpio_pad_select_gpio(GPIO_NUM_16);
- gpio_pad_select_gpio(GPIO_NUM_17);
- gpio_pad_select_gpio(GPIO_NUM_18);
- gpio_pad_select_gpio(GPIO_NUM_23);
- gpio_pad_select_gpio(GPIO_NUM_26);
- gpio_pad_select_gpio(GPIO_NUM_27);
- gpio_pad_select_gpio(GPIO_NUM_32);
- gpio_pad_select_gpio(GPIO_NUM_33);
- gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_12, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_13, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_15, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_23, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_26, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_27, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_32, GPIO_MODE_OUTPUT);
- gpio_set_direction(GPIO_NUM_33, GPIO_MODE_OUTPUT);
- timer_config_t config_timer_mux = {
- .divider = 80,
- .counter_dir = TIMER_COUNT_UP,
- .counter_en = TIMER_PAUSE,
- .alarm_en = TIMER_ALARM_EN,
- .auto_reload = TIMER_AUTORELOAD_EN,
- }; // default clock source is APB
- timer_init(TIMER_GROUP_0, TIMER_0, &config_timer_mux);
- timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, 111);
- timer_enable_intr(TIMER_GROUP_0, TIMER_0);
- timer_isr_register(TIMER_GROUP_0, TIMER_0, przerwanie_od_timer_mux, NULL, ESP_INTR_FLAG_IRAM, NULL);
- timer_start(TIMER_GROUP_0, TIMER_0);
- vTaskDelay(5000/portTICK_PERIOD_MS);
- esp_err_t ret = nvs_flash_init();
- if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
- ESP_ERROR_CHECK(nvs_flash_erase());
- ret = nvs_flash_init();
- }
- ESP_ERROR_CHECK(ret);
- ESP_LOGI("wifi", "ESP_WIFI_MODE_STA");
- s_wifi_event_group = xEventGroupCreate();
- ESP_ERROR_CHECK(esp_netif_init());
- ESP_ERROR_CHECK(esp_event_loop_create_default());
- esp_netif_create_default_wifi_sta();
- wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
- ESP_ERROR_CHECK(esp_wifi_init(&cfg));
- esp_event_handler_instance_t instance_any_id;
- esp_event_handler_instance_t instance_got_ip;
- ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
- ESP_EVENT_ANY_ID,
- &event_handler,
- NULL,
- &instance_any_id));
- ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
- IP_EVENT_STA_GOT_IP,
- &event_handler,
- NULL,
- &instance_got_ip));
- wifi_config_t wifi_config = {
- .sta = {
- .ssid = EXAMPLE_ESP_WIFI_SSID,
- .password = EXAMPLE_ESP_WIFI_PASS,
- /* Setting a password implies station will connect to all security modes including WEP/WPA.
- * However these modes are deprecated and not advisable to be used. Incase your Access point
- * doesn't support WPA2, these mode can be enabled by commenting below line */
- .threshold.authmode = WIFI_AUTH_WPA2_PSK,
- .pmf_cfg = {
- .capable = true,
- .required = false
- },
- },
- };
- ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
- ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
- ESP_ERROR_CHECK(esp_wifi_start() );
- ESP_LOGI(TAG, "wifi_init_sta finished.");
- EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
- WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
- pdFALSE,
- pdFALSE,
- portMAX_DELAY);
- if (bits & WIFI_CONNECTED_BIT) {
- ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
- EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
- } else if (bits & WIFI_FAIL_BIT) {
- ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
- EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
- } else {
- ESP_LOGE(TAG, "UNEXPECTED EVENT");
- }
- ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
- ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
- vEventGroupDelete(s_wifi_event_group);
- }