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Merge pull request #1643 from cesanta/uart-bridge

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Fixes to uart-bridge example
This commit is contained in:
Sergey Lyubka 2022-07-28 10:26:51 +01:00 committed by GitHub
commit 64a36496e3
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 524 additions and 511 deletions
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26
examples/uart-bridge/net.c
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@ -75,7 +75,7 @@ static void ws_fn(struct mg_connection *c, int ev, void *evd, void *fnd) {
// Event handler for a connected TCP client
static void tcp_fn(struct mg_connection *c, int ev, void *evd, void *fnd) {
if (ev == MG_EV_OPEN) {
if (ev == MG_EV_ACCEPT) {
// c->is_hexdumping = 1;
c->label[0] = 'T'; // When client is connected, mark us as TCP client
} else if (ev == MG_EV_READ) {
@ -98,8 +98,8 @@ static struct mg_str mqtt_topic(const char *name, const char *dflt) {
static void mq_fn(struct mg_connection *c, int ev, void *evd, void *fnd) {
if (ev == MG_EV_OPEN) {
// c->is_hexdumping = 1;
c->label[0] = 'M';
} else if (ev == MG_EV_MQTT_OPEN) {
c->label[0] = 'M';
mg_mqtt_sub(c, mqtt_topic("rx", "b/rx"), 1); // Subscribe to RX topic
} else if (ev == MG_EV_MQTT_MSG) {
struct mg_mqtt_message *mm = evd; // MQTT message
@ -139,17 +139,25 @@ static void timer_fn(void *param) {
}
}
static void update_string(struct mg_str json, const char *path, char **value) {
char *jval;
if ((jval = mg_json_get_str(json, path)) != NULL) {
free(*value);
*value = strdup(jval);
}
}
static void config_apply(struct mg_str s) {
MG_INFO(("Applying config: %.*s", (int) s.len, s.ptr));
mg_json_get_bool(s, "$.tcp.enable", &s_state.tcp.enable);
mg_json_get_bool(s, "$.ws.enable", &s_state.websocket.enable);
mg_json_get_bool(s, "$.mqtt.enable", &s_state.mqtt.enable);
bool b;
if (mg_json_get_bool(s, "$.tcp.enable", &b)) s_state.tcp.enable = b;
if (mg_json_get_bool(s, "$.ws.enable", &b)) s_state.websocket.enable = b;
if (mg_json_get_bool(s, "$.mqtt.enable", &b)) s_state.mqtt.enable = b;
free(s_state.tcp.url), s_state.tcp.url = mg_json_get_str(s, "$.tcp.url");
free(s_state.mqtt.url), s_state.mqtt.url = mg_json_get_str(s, "$.mqtt.url");
free(s_state.websocket.url),
s_state.websocket.url = mg_json_get_str(s, "$.ws.url");
update_string(s, "$.tcp.url", &s_state.tcp.url);
update_string(s, "$.mqtt.url", &s_state.mqtt.url);
update_string(s, "$.ws.url", &s_state.websocket.url);
double v;
if (mg_json_get_num(s, "$.rx", &v)) s_state.rx = (int) v;

993
examples/uart-bridge/packed_fs.c
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File diff suppressed because it is too large Load Diff

16
examples/uart-bridge/web_root/main.js
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@ -63,16 +63,16 @@ const App = function(props) {
}).then(r => ws && ws.close());
const set = obj => setCfg(x => Object.assign(x, obj));
const nset = (n,obj) => setCfg(x => Object.assign(x, {[n]: Object.assign(x[n],obj)}));
const setTx = ev => set({tx: parseInt(ev.target.value)});
const setRx = ev => set({rx: parseInt(ev.target.value)});
const setBaud = ev => set({baud: parseInt(ev.target.value)});
const setTcpUrl = ev => set({tcp: {url: `tcp://0.0.0.0:${ev.target.value}`}});
const setWsUrl = ev => set({ws: {url: `ws://0.0.0.0:${ev.target.value}`}});
const setMqttUrl = ev => set({mqtt: {url: ev.target.value}});
const setTcpEna = ev => (set({tcp: {enable: ev.target.checked}}), onchange());
const setWsEna = ev => (set({ws: {enable: ev.target.checked}}), onchange());
const setMqttEna = ev =>
(set({mqtt: {enable: ev.target.checked}}), onchange());
const setTcpUrl = ev => nset('tcp', {url: `tcp://0.0.0.0:${ev.target.value}`});
const setWsUrl = ev => nset('ws',{url: `ws://0.0.0.0:${ev.target.value}`});
const setMqttUrl = ev => nset('mqtt',{url: ev.target.value});
const setTcpEna = ev => (nset('tcp',{enable: ev.target.checked}), onchange());
const setWsEna = ev => (nset('ws',{enable: ev.target.checked}), onchange());
const setMqttEna = ev =>(nset('mqtt', {enable: ev.target.checked}), onchange());
return html`
<div class="container">
@ -115,7 +115,7 @@ const App = function(props) {
<label class="addon">Remote MQTT</label>
<input style="flex: 1 100%;"
value=${cfg.mqtt.url} onchange=${onchange}
oninput=${ev => setMqtt(ev.target.value)} />
oninput=${setMqttUrl} />
<label class="ml-1 d-flex label"><input type="checkbox"
checked=${cfg.mqtt.enable} onchange=${setMqttEna} /> enable</label>
</div>