add test-flash to gitignore

.gitignore

@@ -4,4 +4,5 @@ target
 Cargo.lock
 .DS_Store
 sphinx-key/Cargo.lock
-notes.md
+notes.md
+test-flash

README.md

@@ -81,3 +81,11 @@ restart sphinx key, then from computer connect to sphinxkey AP.\
 go to `http://192.168.71.1/?broker=52.91.253.115%3A1883`.\
 input internet wifi SSID and password, and the IP address of the broker.\
 after pressing the ok button, restart the sphinx key, and wait for a MQTT connection.
+
+### espflash notes
+
+espflash save-image esp32-c3 target/riscv32imc-esp-espidf/debug/sphinx-key ./asdf-blah
+
+espflash save-image esp32-c3 target/riscv32imc-esp-espidf/release/sphinx-key ./test-flash
+
+espflash board-info

sphinx-key/src/core/events.rs

@@ -68,7 +68,7 @@ pub fn make_event_loop(mut mqtt: EspMqttClient<ConnState<MessageImpl, EspError>>
                 if do_log {
                     log::info!("GOT A PING MESSAGE! returning pong now...");
                 }
-                mqtt.publish(RETURN_TOPIC, QOS, false, b).expect("could not publish init response");
+                mqtt.publish(RETURN_TOPIC, QOS, false, b).expect("could not publish ping response");
             },
             Event::Disconnected => {
                 log::info!("GOT A Event::Disconnected msg!");