github-code/lvgl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lv_app_wifi: buffer and resend last message

Browse Source
This commit is contained in:
Gabor
2017-07-10 11:37:56 +02:00
parent f16c78fc9f
commit 37c9154b13
1 changed files with 27 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
lv_appx/lv_app_wifi.c
View File

@@ -33,6 +33,8 @@ typedef struct
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*/
@@ -151,6 +153,8 @@ static void my_app_run(lv_app_inst_t * app, void * conf)
strcpy(adata->set_pwd, LV_APP_WIFI_PWD_DEF);
strcpy(adata->set_ip, LV_APP_WIFI_IP_DEF);
strcpy(adata->set_port, LV_APP_WIFI_PORT_DEF);
adata->last_msg_dp = NULL;
adata->last_msg_size = 0;
}
/**
@@ -177,6 +181,13 @@ static void my_com_rec(lv_app_inst_t * app_send, lv_app_inst_t * app_rec,
{
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);
}
}
@@ -286,12 +297,23 @@ 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;
}
@@ -451,13 +473,17 @@ static void tcp_transf_cb(wifi_state_t state, const char * txt)
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();
}
app_act_com = NULL;
}