wt/mongoose
1
0 Fork 0
mirror of https://github.com/cesanta/mongoose.git synced 2026-10-22 11:36:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

MIP client

Browse Source
This commit is contained in:
cpq committed 2022-08-20 00:03:15 +01:00
1 parent 101cc1a672
commit 9c3c4a6f4b
5 files changed
+105 -61
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

examples/device-dashboard/net.c
+32
View File
@@ -7,6 +7,16 @@
#define MQTT_PUBLISH_TOPIC "mg/my_device"
#define MQTT_SUBSCRIBE_TOPIC "mg/#"
static time_t s_boot_timestamp = 0; // Updated by SNTP
static struct mg_connection *s_sntp_conn = NULL; // SNTP connection
// Define system time()
time_t time(time_t *tp) {
time_t t = s_boot_timestamp + (time_t) (mg_millis() / 1000);
if (tp != NULL) *tp = t;
return t;
}
// Authenticated user.
// A user can be authenticated by:
// - a name:pass pair
@@ -117,12 +127,34 @@ static void timer_mqtt_fn(void *param) {
}
}
// SNTP connection event handler. When we get a response from an SNTP server,
// adjust s_boot_timestamp. We'll get a valid time from that point on
static void sfn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
if (ev == MG_EV_SNTP_TIME) {
uint64_t t = *(uint64_t *) ev_data;
MG_INFO(("%lu SNTP: %lld ms from epoch", c->id, t));
s_boot_timestamp = (time_t) ((t - mg_millis()) / 1000);
c->is_closing = 1;
} else if (ev == MG_EV_CLOSE) {
s_sntp_conn = NULL;
}
(void) fn_data;
}
static void timer_sntp_fn(void *param) { // SNTP timer function. Sync up time
struct mg_mgr *mgr = (struct mg_mgr *) param;
if (s_sntp_conn == NULL && s_boot_timestamp == 0) {
s_sntp_conn = mg_sntp_connect(mgr, NULL, sfn, NULL);
}
}
// HTTP request handler function
void device_dashboard_fn(struct mg_connection *c, int ev, void *ev_data,
void *fn_data) {
if (ev == MG_EV_OPEN && c->is_listening) {
mg_timer_add(c->mgr, 1000, MG_TIMER_REPEAT, timer_metrics_fn, c->mgr);
mg_timer_add(c->mgr, 1000, MG_TIMER_REPEAT, timer_mqtt_fn, c->mgr);
mg_timer_add(c->mgr, 1000, MG_TIMER_REPEAT, timer_sntp_fn, c->mgr);
s_config.url = strdup(MQTT_SERVER);
s_config.pub = strdup(MQTT_PUBLISH_TOPIC);
s_config.sub = strdup(MQTT_SUBSCRIBE_TOPIC);
examples/stm32/nucleo-f746zg-baremetal/main.c
+2 -33
View File
@@ -9,40 +9,10 @@
#define LED3 PIN('B', 14) // On-board LED pin (red)
#define BTN1 PIN('C', 13) // On-board user button
static uint64_t s_ticks, s_exti; // Counters, increased by IRQ handlers
static time_t s_boot_timestamp = 0; // Updated by SNTP
static struct mg_connection *s_sntp_conn = NULL; // SNTP connection
// We have no valid system time(), and we need it for TLS. Implement it
time_t time(time_t *tp) {
time_t t = s_boot_timestamp + (time_t) (mg_millis() / 1000);
if (tp != NULL) *tp = t;
return t;
}
// SNTP connection event handler. When we get a response from an SNTP server,
// adjust s_boot_timestamp. We'll get a valid time from that point on
static void sfn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
if (ev == MG_EV_SNTP_TIME) {
uint64_t t = *(uint64_t *) ev_data;
MG_INFO(("%lu SNTP: %lld ms from epoch", c->id, t));
s_boot_timestamp = (time_t) ((t - mg_millis()) / 1000);
c->is_closing = 1;
} else if (ev == MG_EV_CLOSE) {
s_sntp_conn = NULL;
}
(void) fn_data;
}
static void sntp_cb(void *param) { // SNTP timer function. Sync up time
struct mg_mgr *mgr = (struct mg_mgr *) param;
if (s_sntp_conn == NULL && s_boot_timestamp == 0) {
s_sntp_conn = mg_sntp_connect(mgr, NULL, sfn, NULL);
}
}
static uint64_t s_ticks, s_exti; // Counters, increased by IRQ handlers
static void blink_cb(void *arg) { // Blink periodically
MG_INFO(("ticks: %u", (unsigned) s_ticks));
// MG_INFO(("ticks: %u", (unsigned) s_ticks));
gpio_toggle(LED2);
(void) arg;
}
@@ -96,7 +66,6 @@ int main(void) {
mg_mgr_init(&mgr); // and attach it to the MIP interface
mg_log_set(MG_LL_DEBUG); // Set log level
mg_timer_add(&mgr, 1000, MG_TIMER_REPEAT, blink_cb, &mgr);
mg_timer_add(&mgr, 5000, MG_TIMER_REPEAT, sntp_cb, &mgr);
// Initialise Mongoose network stack
// Specify MAC address, and use 0 for IP, mask, GW - i.e. use DHCP