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lvgl/lv_appx/lv_app_wifi.c
Gabor 25fb3e368a lv_app_wifi/gsm: save/load config.
2017-07-12 14:09:58 +02:00

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/**
* @file lv_app_wifi.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_app_wifi.h"
#if LV_APP_ENABLE != 0 && USE_LV_APP_WIFI != 0
#include "../lv_app/lv_app_util/lv_app_kb.h"
#include "hal/wifi/wifi.h"
#include "misc/os/ptask.h"
#include "hal/systick/systick.h"
#include "misc/comm/wifimng.h"
#include "misc/fs/fat32/integer.h"
#include <stdio.h>
/*********************
* DEFINES
*********************/
#define SSID_LIST_MAX_LENGTH 512
#define WIFI_MONITOR_PERIOD 1000 /*ms*/
/**********************
* TYPEDEFS
**********************/
/*Application specific data for an instance of this application*/
typedef struct
{
char set_ssid[64];
char set_pwd[64];
char set_ip[32];
char set_port[16];
uint8_t * last_msg_dp;
uint16_t last_msg_size;
}my_app_data_t;
/*Application specific data a window of this application*/
typedef struct
{
lv_obj_t * list;
lv_obj_t * title;
lv_obj_t * netw_ssid_ta;
lv_obj_t * netw_pwd_ta;
lv_obj_t * tcp_ip_ta;
lv_obj_t * tcp_port_ta;
}my_win_data_t;
/*Application specific data for a shortcut of this application*/
typedef struct
{
lv_obj_t * label;
}my_sc_data_t;
/**********************
* STATIC PROTOTYPES
**********************/
static void my_app_run(lv_app_inst_t * app, void * conf);
static void my_app_close(lv_app_inst_t * app);
static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec, lv_app_com_type_t type , const void * data, uint32_t size);
static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc);
static void my_sc_close(lv_app_inst_t * app);
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win);
static void my_win_close(lv_app_inst_t * app);
static void wifi_state_monitor_task(void * param);
static lv_action_res_t netw_list_rel_action(lv_obj_t * btn, lv_dispi_t * dispi);
static lv_action_res_t netw_con_rel_action(lv_obj_t * btn, lv_dispi_t* dispi);
static lv_action_res_t netw_ssid_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t netw_pwd_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t tcp_ip_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t tcp_port_rel_action( lv_obj_t * ta, lv_dispi_t* dispi);
static lv_action_res_t wifi_ap_select_action( lv_obj_t * ddlist, lv_dispi_t* dispi);
static void netw_ssid_kb_ok(lv_obj_t * ta);
static void netw_ssid_kb_close(lv_obj_t * ta);
static void netw_pwd_kb_ok(lv_obj_t * ta);
static void netw_pwd_kb_close(lv_obj_t * ta);
static void tcp_ip_kb_ok(lv_obj_t * ta);
static void tcp_ip_kb_close(lv_obj_t * ta);
static void tcp_port_kb_ok(lv_obj_t * ta);
static void tcp_port_kb_close(lv_obj_t * ta);
static void list_cb(wifi_state_t state, const char * txt);
static void tcp_transf_cb(wifi_state_t state, const char * txt);
static void win_title_refr(void);
static void save_conf(lv_app_inst_t * app);
/**********************
* STATIC VARIABLES
**********************/
static lv_app_dsc_t my_app_dsc =
{
.name = "WiFi",
.mode = LV_APP_MODE_NONE,
.app_run = my_app_run,
.app_close = my_app_close,
.com_rec = my_com_rec,
.win_open = my_win_open,
.win_close = my_win_close,
.sc_open = my_sc_open,
.sc_close = my_sc_close,
.app_data_size = sizeof(my_app_data_t),
.sc_data_size = sizeof(my_sc_data_t),
.win_data_size = sizeof(my_win_data_t),
};
static char def_ssid[64];
static char def_pwd[64];
static char def_ip[32];
static char def_port[16];
static char ssid_list[SSID_LIST_MAX_LENGTH];
static lv_app_inst_t * app_act_com;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Initialize the application
* @return pointer to the application descriptor of this application
*/
const lv_app_dsc_t * lv_app_wifi_init(void)
{
strcpy(ssid_list, "");
#ifdef LV_APP_WIFI_CONF_PATH
fs_file_t f;
fs_res_t res;
res = fs_open(&f, LV_APP_WIFI_CONF_PATH, FS_MODE_RD);
if(res == FS_RES_NOT_EX) {
res = fs_open(&f, LV_APP_WIFI_CONF_PATH, FS_MODE_WR | FS_MODE_RD);
if(res == FS_RES_OK) {
const char * def_conf = "ssid\npwd\n100.101.102.103\n1234";
fs_write(&f, def_conf, strlen(def_conf) + 1, NULL);
fs_seek(&f, 0);
}
}
if(res == FS_RES_OK) {
volatile char buf[256];
volatile uint32_t rn;
fs_read(&f, (char *)buf, sizeof(buf) - 1, (uint32_t *)&rn);
volatile uint16_t i;
volatile uint16_t j = 0;
volatile uint8_t line_cnt = 0;
for(i = 0; i < rn; i++) {
if(buf[i] != '\n') {
if(line_cnt == 0) def_ssid[j] = buf[i];
if(line_cnt == 1) def_pwd[j] = buf[i];
if(line_cnt == 2) def_ip[j] = buf[i];
if(line_cnt == 3) def_port[j] = buf[i];
j++;
} else {
if(line_cnt == 0) def_ssid[j] = '\0';
if(line_cnt == 1) def_pwd[j] = '\0';
if(line_cnt == 2) def_ip[j] = '\0';
if(line_cnt == 3) def_port[j] = '\0';
j = 0;
line_cnt ++;
}
}
fs_close(&f);
} else {
lv_app_notice_add("SD card error");
}
#else
strcpy(def_ssid, LV_APP_WIFI_SSID_DEF);
strcpy(def_pwd, LV_APP_WIFI_PWD_DEF);
strcpy(def_ip, LV_APP_WIFI_IP_DEF);
strcpy(def_port, LV_APP_WIFI_PORT_DEF);
#endif
#if LV_APP_WIFI_AUTO_CONNECT != 0
wifimng_set_last_netw(def_ssid, def_pwd);
wifimng_set_last_tcp(def_ip, def_port);
#endif
ptask_create(wifi_state_monitor_task, WIFI_MONITOR_PERIOD, PTASK_PRIO_LOW, NULL);
return &my_app_dsc;
}
/**********************
* STATIC FUNCTIONS
**********************/
/**
* Run an application according to 'app_dsc'
* @param app_dsc pointer to an application descriptor
* @param conf pointer to a lv_app_example_conf_t structure with configuration data or NULL if unused
* @return pointer to the opened application or NULL if any error occurred
*/
static void my_app_run(lv_app_inst_t * app, void * conf)
{
/*Initialize the application*/
my_app_data_t * adata = app->app_data;
strcpy(adata->set_ssid, def_ssid);
strcpy(adata->set_pwd, def_pwd);
strcpy(adata->set_ip, def_ip);
strcpy(adata->set_port, def_port);
adata->last_msg_dp = NULL;
adata->last_msg_size = 0;
}
/**
* Close a running application.
* Close the Window and the Shortcut too if opened.
* Free all the allocated memory by this application.
* @param app pointer to an application
*/
static void my_app_close(lv_app_inst_t * app)
{
/*No dynamically allocated data in 'my_app_data'*/
}
/**
* Read the data have been sent to this application
* @param app_send pointer to an application which sent the message
* @param app_rec pointer to an application which is receiving the message
* @param type type of data from 'lv_app_com_type_t' enum
* @param data pointer to the sent data
* @param size length of 'data' in bytes
*/
static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
lv_app_com_type_t type , const void * data, uint32_t size)
{
if(type == LV_APP_COM_TYPE_CHAR) { /*data: string*/
app_act_com = app_rec;
my_app_data_t * adata = app_act_com->app_data;
if(adata->last_msg_dp != NULL) dm_free(adata->last_msg_dp);
adata->last_msg_dp = dm_alloc(size);
memcpy(adata->last_msg_dp, data, size);
adata->last_msg_size = size;
wifi_tcp_transf(data, size, tcp_transf_cb);
}
}
/**
* Open a shortcut for an application
* @param app pointer to an application
* @param sc pointer to an object where the application
* can create content of the shortcut
*/
static void my_sc_open(lv_app_inst_t * app, lv_obj_t * sc)
{
my_sc_data_t * sc_data = app->sc_data;
sc_data->label = lv_label_create(sc, NULL);
lv_label_set_text(sc_data->label, "Empty");
lv_obj_align(sc_data->label, NULL, LV_ALIGN_CENTER, 0, 0);
}
/**
* Close the shortcut of an application
* @param app pointer to an application
*/
static void my_sc_close(lv_app_inst_t * app)
{
/*No dynamically allocated data in 'my_sc_data'*/
}
/**
* Open the application in a window
* @param app pointer to an application
* @param win pointer to a window object where
* the application can create content
*/
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win)
{
my_app_data_t * adata = app->app_data;
my_win_data_t * wdata = app->win_data;
wdata->title = lv_label_create(win, NULL);
wdata->list = lv_ddlist_create(win, NULL);
lv_obj_set_free_p(wdata->list, app);
lv_ddlist_set_options_str(wdata->list, ssid_list);
lv_ddlist_set_action(wdata->list, wifi_ap_select_action);
lv_obj_t * list_btn = lv_btn_create(win, NULL);
lv_obj_set_free_p(list_btn, app);
lv_btn_set_rel_action(list_btn, netw_list_rel_action);
lv_obj_t * label = lv_label_create(list_btn, NULL);
lv_label_set_text(label, "List\nrefresh");
lv_obj_t * ta_cont = lv_cont_create(win, NULL);
lv_cont_set_fit(ta_cont, true, true);
lv_cont_set_layout(ta_cont, LV_CONT_LAYOUT_COL_L);
lv_obj_set_style(ta_cont, lv_style_get(LV_STYLE_TRANSP_TIGHT, NULL));
wdata->netw_ssid_ta = lv_ta_create(ta_cont, NULL);
lv_cont_set_fit(wdata->netw_ssid_ta, false, true);
lv_obj_set_free_p(wdata->netw_ssid_ta, app);
lv_page_set_rel_action(wdata->netw_ssid_ta, netw_ssid_rel_action);
lv_ta_set_text(wdata->netw_ssid_ta, adata->set_ssid);
lv_ta_set_cursor_show(wdata->netw_ssid_ta, false);
wdata->netw_pwd_ta = lv_ta_create(ta_cont, wdata->netw_ssid_ta);
lv_page_set_rel_action(wdata->netw_pwd_ta, netw_pwd_rel_action);
lv_ta_set_text(wdata->netw_pwd_ta, adata->set_pwd);
wdata->tcp_ip_ta = lv_ta_create(ta_cont, wdata->netw_ssid_ta);
lv_page_set_rel_action(wdata->tcp_ip_ta, tcp_ip_rel_action);
lv_ta_set_text(wdata->tcp_ip_ta, adata->set_ip);
wdata->tcp_port_ta = lv_ta_create(ta_cont, wdata->netw_ssid_ta);
lv_page_set_rel_action(wdata->tcp_port_ta, tcp_port_rel_action);
lv_ta_set_text(wdata->tcp_port_ta, adata->set_port);
lv_obj_t * con_btn = lv_btn_create(win, NULL);
lv_obj_set_free_p(con_btn, app);
lv_btn_set_rel_action(con_btn, netw_con_rel_action);
label = lv_label_create(con_btn, NULL);
lv_label_set_text(label, "Connect");
lv_cont_set_layout(lv_page_get_scrl(lv_win_get_page(win)), LV_CONT_LAYOUT_PRETTY);
win_title_refr();
}
/**
* Close the window of an application
* @param app pointer to an application
*/
static void my_win_close(lv_app_inst_t * app)
{
}
/*--------------------
* OTHER FUNCTIONS
---------------------*/
static void wifi_state_monitor_task(void * param)
{
static wifimng_state_t state_prev = WIFIMNG_STATE_WAIT;
wifimng_state_t state_act = wifimng_get_state();
if(state_prev != state_act && state_act == WIFIMNG_STATE_READY) {
lv_app_notice_add("WiFi connected to:\n%s\n%s:%s",
wifimng_get_last_ssid(), wifimng_get_last_ip(), wifimng_get_last_port());
win_title_refr();
}
/* The wifi should be busy if there is sg. to send.
* It means fail during last send. Try again*/
if(app_act_com != NULL) {
if(wifi_busy() == false && state_act == WIFIMNG_STATE_READY) {
/*Try to send the message again*/
lv_app_notice_add("Resend WiFi message");
my_app_data_t * adata = app_act_com->app_data;
wifi_tcp_transf(adata->last_msg_dp, adata->last_msg_size, tcp_transf_cb);
}
}
state_prev = state_act;
}
static lv_action_res_t netw_list_rel_action(lv_obj_t * btn, lv_dispi_t* dispi)
{
wifi_state_t ret;
ret = wifi_netw_list(list_cb);
if(ret == WIFI_STATE_OK) {
lv_app_notice_add("Listing WiFi networks");
} else {
lv_app_notice_add("Cannot list networks\nWiFi was busy. Try again");
}
return LV_ACTION_RES_OK;
}
static lv_action_res_t netw_con_rel_action(lv_obj_t * btn, lv_dispi_t* dispi)
{
lv_app_inst_t * app = lv_obj_get_free_p(btn);
my_app_data_t * adata = app->app_data;
wifimng_set_last_netw(adata->set_ssid, adata->set_pwd);
wifimng_set_last_tcp(adata->set_ip, adata->set_port);
wifimng_reconnect();
save_conf(app);
lv_app_notice_add("Connecting to WiFi network\n%s, %s:%s",
adata->set_ssid, adata->set_ip, adata->set_port);
return LV_ACTION_RES_OK;
}
static lv_action_res_t netw_ssid_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CUR_MANAGE, netw_ssid_kb_close ,netw_ssid_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t netw_pwd_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CUR_MANAGE, netw_pwd_kb_close ,netw_pwd_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t tcp_ip_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_TXT | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CUR_MANAGE, tcp_ip_kb_close ,tcp_ip_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t tcp_port_rel_action( lv_obj_t * ta, lv_dispi_t* dispi)
{
lv_app_kb_open(ta, LV_APP_KB_MODE_NUM | LV_APP_KB_MODE_WIN_RESIZE | LV_APP_KB_MODE_CUR_MANAGE, tcp_port_kb_close ,tcp_port_kb_ok);
return LV_ACTION_RES_OK;
}
static lv_action_res_t wifi_ap_select_action( lv_obj_t * ddlist, lv_dispi_t* dispi)
{
lv_app_inst_t * app = lv_obj_get_free_p(ddlist);
my_app_data_t * adata = app->app_data;
char ssid[256];
lv_ddlist_get_selected_str(ddlist, ssid);
my_win_data_t * wdata = app->win_data;
lv_ta_set_text(wdata->netw_ssid_ta, ssid);
strcpy(adata->set_ssid, ssid);
return LV_ACTION_RES_OK;
}
static void netw_ssid_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_ssid, lv_ta_get_txt(ta));
}
static void netw_ssid_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_ssid);
}
static void netw_pwd_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_pwd, lv_ta_get_txt(ta));
}
static void netw_pwd_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_pwd);
}
static void tcp_ip_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_ip, lv_ta_get_txt(ta));
}
static void tcp_ip_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_ip);
}
static void tcp_port_kb_ok(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
strcpy(adata->set_port, lv_ta_get_txt(ta));
}
static void tcp_port_kb_close(lv_obj_t * ta)
{
lv_app_inst_t * app = lv_obj_get_free_p(ta);
my_app_data_t * adata = app->app_data;
lv_ta_set_text(ta, adata->set_port);
}
static void list_cb(wifi_state_t state, const char * txt)
{
if(state == WIFI_STATE_OK) {
if(txt[0] == '\0') {
lv_app_notice_add("WiFi network list ready");
return;
}
if(strlen(ssid_list) + strlen(txt) + 4 < sizeof(ssid_list)) {
sprintf(ssid_list, "%s\n%s", ssid_list, txt);
}
lv_app_inst_t * app = lv_app_get_next(NULL, &my_app_dsc);
while(app != NULL) {
if(app->win_data != NULL) {
my_win_data_t * wdata = app->win_data;
lv_ddlist_set_options_str(wdata->list, ssid_list);
}
app = lv_app_get_next(app, &my_app_dsc);
}
} else if(state == WIFI_STATE_ERROR) {
lv_app_notice_add("WiFi network list error\n%s", txt);
}
}
static void tcp_transf_cb(wifi_state_t state, const char * txt)
{
if(state == WIFI_STATE_OK) {
uint16_t size = txt[0] + ((txt[1] << 8) & 0xFF00);
char buf[256];
memcpy(buf, &txt[2], size);
buf[size] = '\0';
lv_app_com_send(app_act_com, LV_APP_COM_TYPE_CHAR, &txt[2], size);
my_app_data_t * adata = app_act_com->app_data;
dm_free(adata->last_msg_dp);
adata->last_msg_dp = NULL;
adata->last_msg_size = 0;
app_act_com = NULL;
}else if(state == WIFI_STATE_ERROR) {
lv_app_notice_add("WiFi TCP transfer error\n%s", txt);
lv_app_notice_add("Reconnecting to WiFi...");
wifimng_reconnect();
}
}
static void win_title_refr(void)
{
lv_app_inst_t * app;
app = lv_app_get_next(NULL, &my_app_dsc);
while(app != NULL) {
if(app->win != NULL) {
my_win_data_t * wdata = app->win_data;
if(wifimng_get_state() == WIFIMNG_STATE_IDLE) {
lv_label_set_text(wdata->title, "Not connected");
}
else if(wifimng_get_state() == WIFIMNG_STATE_READY) {
char buf[256];
sprintf(buf, "%s - %s:%s", wifimng_get_last_ssid(), wifimng_get_last_ip(), wifimng_get_last_port());
lv_label_set_text(wdata->title, buf);
}
else {
lv_label_set_text(wdata->title, "Connecting ...");
}
lv_obj_set_width(wdata->title, lv_win_get_width(app->win));
}
app = lv_app_get_next(app, &my_app_dsc);
}
}
static void save_conf(lv_app_inst_t * app)
{
#ifdef LV_APP_WIFI_CONF_PATH
my_app_data_t * adata = app->app_data;
fs_file_t f;
fs_res_t res;
res = fs_open(&f, LV_APP_WIFI_CONF_PATH, FS_MODE_WR);
if(res == FS_RES_OK) {
char buf[256];
sprintf(buf,"%s\n%s\n%s\n%s", adata->set_ssid, adata->set_pwd, adata->set_ip, adata->set_port);
fs_write(&f, buf, strlen(buf) + 1, NULL);
fs_close(&f);
}
#endif
}
#endif /*LV_APP_ENABLE != 0 && USE_LV_APP_EXAMPLE != 0*/
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