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Diffstat (limited to 'code/esp32/components/eos/wifi.c')
-rwxr-xr-xcode/esp32/components/eos/wifi.c302
1 files changed, 0 insertions, 302 deletions
diff --git a/code/esp32/components/eos/wifi.c b/code/esp32/components/eos/wifi.c
deleted file mode 100755
index 3dd90ba..0000000
--- a/code/esp32/components/eos/wifi.c
+++ /dev/null
@@ -1,302 +0,0 @@
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-
-#include <freertos/FreeRTOS.h>
-#include <freertos/task.h>
-
-#include <esp_system.h>
-#include <esp_event.h>
-#include <esp_event_loop.h>
-#include <esp_log.h>
-#include <esp_err.h>
-#include <esp_wifi.h>
-
-#include "eos.h"
-#include "net.h"
-#include "wifi.h"
-
-// XXX: WiFi fail due to no DHCP server
-
-#define WIFI_MAX_SCAN_RECORDS 20
-#define WIFI_MAX_CONNECT_ATTEMPTS 3
-
-#define WIFI_STATE_STOPPED 0
-#define WIFI_STATE_SCANNING 1
-#define WIFI_STATE_CONNECTING 2
-#define WIFI_STATE_CONNECTED 3
-#define WIFI_STATE_DISCONNECTING 4
-#define WIFI_STATE_DISCONNECTED 5
-
-#define WIFI_ACTION_NONE 0
-#define WIFI_ACTION_SCAN 1
-#define WIFI_ACTION_CONNECT 2
-#define WIFI_ACTION_DISCONNECT 3
-
-static const char *TAG = "EOS WIFI";
-
-static SemaphoreHandle_t mutex;
-
-static wifi_config_t wifi_sta_config;
-static wifi_scan_config_t wifi_scan_config;
-
-static int wifi_connect_cnt = 0;
-static uint8_t wifi_action;
-static uint8_t wifi_state;
-
-static esp_err_t wifi_event_handler(void *ctx, system_event_t *event) {
- esp_err_t ret = ESP_OK;
- char _disconnect;
- uint8_t _action, _state;
- unsigned char *rbuf;
- wifi_ap_record_t scan_r[WIFI_MAX_SCAN_RECORDS];
- uint16_t scan_n = WIFI_MAX_SCAN_RECORDS;
-
- switch(event->event_id) {
- case WIFI_EVENT_SCAN_DONE:
- memset(scan_r, 0, sizeof(scan_r));
- esp_wifi_scan_get_ap_records(&scan_n, scan_r);
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- _state = wifi_state;
- if (wifi_state == WIFI_STATE_CONNECTED) wifi_action = WIFI_ACTION_NONE;
- xSemaphoreGive(mutex);
-
- if (_state != WIFI_STATE_CONNECTED) ret = esp_wifi_stop();
- break;
-
- case WIFI_EVENT_STA_START:
- xSemaphoreTake(mutex, portMAX_DELAY);
- _action = wifi_action;
- xSemaphoreGive(mutex);
-
- switch (_action) {
- case WIFI_ACTION_SCAN:
- ret = esp_wifi_scan_start(&wifi_scan_config, 0);
- break;
-
- case WIFI_ACTION_CONNECT:
- ret = esp_wifi_connect();
- break;
-
- default:
- break;
- }
- break;
-
- case WIFI_EVENT_STA_STOP:
- xSemaphoreTake(mutex, portMAX_DELAY);
- wifi_state = WIFI_STATE_STOPPED;
- wifi_action = WIFI_ACTION_NONE;
- xSemaphoreGive(mutex);
- break;
-
- case WIFI_EVENT_STA_CONNECTED:
- xSemaphoreTake(mutex, portMAX_DELAY);
- wifi_state = WIFI_STATE_CONNECTED;
- wifi_action = WIFI_ACTION_NONE;
- wifi_connect_cnt = WIFI_MAX_CONNECT_ATTEMPTS;
- xSemaphoreGive(mutex);
- break;
-
- case WIFI_EVENT_STA_DISCONNECTED:
- xSemaphoreTake(mutex, portMAX_DELAY);
- if (wifi_connect_cnt) wifi_connect_cnt--;
- _action = wifi_action;
- _disconnect = (wifi_connect_cnt == 0);
- if (_disconnect) wifi_state = WIFI_STATE_DISCONNECTED;
- xSemaphoreGive(mutex);
-
- if (_disconnect) {
- rbuf = eos_net_alloc();
- if (_action == WIFI_ACTION_CONNECT) {
- rbuf[0] = EOS_WIFI_MTYPE_CONNECT;
- rbuf[1] = EOS_ERR;
- eos_net_send(EOS_NET_MTYPE_WIFI, rbuf, 2, 0);
- } else {
- rbuf[0] = EOS_WIFI_MTYPE_DISCONNECT;
- eos_net_send(EOS_NET_MTYPE_WIFI, rbuf, 1, 0);
- }
- if (!_action) ret = esp_wifi_stop();
- } else {
- ret = esp_wifi_connect();
- }
- break;
-
- case IP_EVENT_STA_GOT_IP:
- ESP_LOGD(TAG, "IP address: " IPSTR, IP2STR(&event->event_info.got_ip.ip_info.ip));
- if (event->event_info.got_ip.ip_changed) {
- // send wifi reconnect
- } else {
- rbuf = eos_net_alloc();
- rbuf[0] = EOS_WIFI_MTYPE_CONNECT;
- rbuf[1] = EOS_OK;
- eos_net_send(EOS_NET_MTYPE_WIFI, rbuf, 2, 0);
- }
- break;
-
- default: // Ignore the other event types
- break;
- }
- if (ret != ESP_OK) ESP_LOGD(TAG, "ESP WIFI ERR: %d", ret);
-
- return ESP_OK;
-}
-
-static void wifi_handler(unsigned char _mtype, unsigned char *buffer, uint16_t size) {
- int rv = EOS_OK;
- uint8_t mtype = buffer[0];
- char *ssid, *pass;
-
- switch (mtype) {
- case EOS_WIFI_MTYPE_SCAN:
- rv = eos_wifi_scan();
- break;
-
- case EOS_WIFI_MTYPE_CONNECT:
- ssid = (char *)buffer+1;
- pass = ssid+strlen(ssid)+1;
- rv = eos_wifi_set_auth(ssid, pass);
- if (!rv) rv = eos_wifi_connect();
- break;
-
- case EOS_WIFI_MTYPE_DISCONNECT:
- rv = eos_wifi_disconnect();
- break;
- }
- if (rv) ESP_LOGD(TAG, "WIFI HANDLER ERR: %d", rv);
-}
-
-void eos_wifi_init(void) {
- esp_err_t ret;
- wifi_init_config_t wifi_config = WIFI_INIT_CONFIG_DEFAULT();
-
- memset(&wifi_sta_config, 0, sizeof(wifi_sta_config));
-
- ret = esp_event_loop_init(wifi_event_handler, NULL);
- assert(ret == ESP_OK);
-
- ret = esp_wifi_init(&wifi_config);
- assert(ret == ESP_OK);
-
- ret = esp_wifi_set_storage(WIFI_STORAGE_RAM);
- assert(ret == ESP_OK);
-
- ret = esp_wifi_set_mode(WIFI_MODE_STA);
- assert(ret == ESP_OK);
-
- ret = esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_sta_config);
- assert(ret == ESP_OK);
-
- ret = esp_wifi_stop();
- assert(ret == ESP_OK);
-
- mutex = xSemaphoreCreateBinary();
- xSemaphoreGive(mutex);
-
- eos_net_set_handler(EOS_NET_MTYPE_WIFI, wifi_handler);
- ESP_LOGI(TAG, "INIT");
-}
-
-int eos_wifi_scan(void) {
- int rv = EOS_OK;
- esp_err_t ret = ESP_OK;
- uint8_t _wifi_state = 0;
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- if (!wifi_action) {
- _wifi_state = wifi_state;
-
- wifi_action = WIFI_ACTION_SCAN;
- if (wifi_state == WIFI_STATE_STOPPED) wifi_state = WIFI_STATE_SCANNING;
-
- memset(&wifi_scan_config, 0, sizeof(wifi_scan_config));
- } else {
- rv = EOS_ERR_BUSY;
- }
- xSemaphoreGive(mutex);
-
- if (rv) return rv;
-
- if (_wifi_state == WIFI_STATE_STOPPED) {
- ret = esp_wifi_start();
- } else {
- ret = esp_wifi_scan_start(&wifi_scan_config, 0);
- }
- if (ret != ESP_OK) rv = EOS_ERR;
-
- return rv;
-}
-
-int eos_wifi_set_auth(char *ssid, char *pass) {
- int rv = EOS_OK;
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- if (!wifi_action) {
- if (ssid) strncpy((char *)wifi_sta_config.sta.ssid, ssid, sizeof(wifi_sta_config.sta.ssid) - 1);
- if (pass) strncpy((char *)wifi_sta_config.sta.password, pass, sizeof(wifi_sta_config.sta.password) - 1);
- } else {
- rv = EOS_ERR_BUSY;
-
- }
- xSemaphoreGive(mutex);
-
- return rv;
-}
-
-int eos_wifi_connect(void) {
- int rv = EOS_OK;
- esp_err_t ret = ESP_OK;
- uint8_t _wifi_state = 0;
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- if (!wifi_action) {
- _wifi_state = wifi_state;
-
- wifi_action = WIFI_ACTION_CONNECT;
- wifi_state = WIFI_STATE_CONNECTING;
- wifi_connect_cnt = WIFI_MAX_CONNECT_ATTEMPTS;
- } else {
- rv = EOS_ERR_BUSY;
- }
- xSemaphoreGive(mutex);
-
- if (rv) return rv;
-
- esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_sta_config);
-
- if (_wifi_state == WIFI_STATE_STOPPED) {
- ret = esp_wifi_start();
- } else {
- ret = esp_wifi_connect();
- }
- if (ret != ESP_OK) rv = EOS_ERR;
-
- return rv;
-}
-
-int eos_wifi_disconnect(void) {
- int rv = EOS_OK;
- esp_err_t ret = ESP_OK;
-
- xSemaphoreTake(mutex, portMAX_DELAY);
- if (!wifi_action) {
- wifi_action = WIFI_ACTION_DISCONNECT;
- wifi_state = WIFI_STATE_DISCONNECTING;
- wifi_connect_cnt = 0;
-
- memset(wifi_sta_config.sta.ssid, 0, sizeof(wifi_sta_config.sta.ssid));
- memset(wifi_sta_config.sta.password, 0, sizeof(wifi_sta_config.sta.password));
- } else {
- rv = EOS_ERR_BUSY;
- }
- xSemaphoreGive(mutex);
-
- if (rv) return rv;
-
- ret = esp_wifi_stop();
- if (ret != ESP_OK) rv = EOS_ERR;
-
- return rv;
-}
-
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