Add q hotkey

README.md

@@ -145,6 +145,7 @@ not available.
 
 ### Hotkeys
 
+- `q` (quit): closes the app
 - `l` (listen): toggles audio stream playback to the default sound device
 
   This is useful for quickly listening into the audio stream coming from the
@@ -161,18 +162,18 @@ not available.
 Some basic CAT control hotkeys are also supported:
 
 - `t`: toggles the tune process
-- `+`: increase TX power
-- `-`: decrease TX power
-- `<`, `>`: decrease, increase frequency 1Hz
-- `,`, `.`: decrease, increase frequency 10Hz
-- `:`, `"`: decrease, increase frequency 100Hz
-- `;`, `'`: decrease, increase frequency 1kHz
-- `{`, `}`: decrease, increase frequency 10kHz
-- `[`, `]`: decrease, increase frequency 100kHz
-- `n`, `m`: cycle through operating modes
-- `d`, `f`: cycle through filters
-- `D`: toggle data mode
-- `v`, `b`: cycle through bands
+- `+`: increases TX power
+- `-`: decreases TX power
+- `<`, `>`: decreases, increases frequency 1Hz
+- `,`, `.`: decreases, increases frequency 10Hz
+- `:`, `"`: decreases, increases frequency 100Hz
+- `;`, `'`: decreases, increases frequency 1kHz
+- `{`, `}`: decreases, increases frequency 10kHz
+- `[`, `]`: decreases, increases frequency 100kHz
+- `n`, `m`: cycles through operating modes
+- `d`, `f`: cycles through filters
+- `D`: toggles data mode
+- `v`, `b`: cycles through bands
 
 ## Authors
 

keyboard-linux.go

@@ -150,6 +150,8 @@ func (s *keyboardStruct) handleKey(k byte) {
 				log.Error("can't change band: ", err)
 			}
 		}
+	case 'q':
+		quitChan <- true
 	}
 }
 

main.go

@@ -10,6 +10,7 @@ import (
 )
 
 var gotErrChan = make(chan bool)
+var quitChan = make(chan bool)
 
 func getAboutStr() string {
 	var v string
@@ -43,6 +44,9 @@ func runControlStream(osSignal chan os.Signal) (shouldExit bool, exitCode int) {
 		case <-t.C:
 			return false, 0
 		case <-osSignal:
+			log.Print("sigterm received")
+			return true, 0
+		case <-quitChan:
 			return true, 0
 		}
 	}
@@ -63,6 +67,9 @@ func runControlStream(osSignal chan os.Signal) (shouldExit bool, exitCode int) {
 			select {
 			case <-t.C:
 			case <-osSignal:
+				log.Print("sigterm received")
+				return true, 0
+			case <-quitChan:
 				return true, 0
 			}
 		}
@@ -71,6 +78,9 @@ func runControlStream(osSignal chan os.Signal) (shouldExit bool, exitCode int) {
 		log.Print("sigterm received")
 		ctrl.deinit()
 		return true, 0
+	case <-quitChan:
+		ctrl.deinit()
+		return true, 0
 	}
 }
 
@@ -112,6 +122,8 @@ func main() {
 		case <-osSignal:
 			log.Print("sigterm received")
 			shouldExit = true
+		case <-quitChan:
+			shouldExit = true
 		default:
 		}