diff --git a/hardware/sensehat/README.md b/hardware/sensehat/README.md
index 8a5693ca..32460d83 100644
--- a/hardware/sensehat/README.md
+++ b/hardware/sensehat/README.md
@@ -110,8 +110,11 @@ Format: `R`
If `msg.payload` is not recognised as any of the above commands, it is treated
as a text message to be scrolled across the screen.
+If the text is a single character, it will be displayed without scrolling. To
+scroll a single character, append a blank space after it - `"A "`.
+
The following message properties can be used to customise the appearance:
- - `msg.colour` - the colour of the text, default: `white`
+ - `msg.color` - the colour of the text, default: `white`
- `msg.background` - the colour of the background, default: `off`
- `msg.speed` - the scroll speed. A value in the range 1 (slower) to 5 (faster), default: `3`
diff --git a/hardware/sensehat/package.json b/hardware/sensehat/package.json
index a2971c48..fa39522f 100644
--- a/hardware/sensehat/package.json
+++ b/hardware/sensehat/package.json
@@ -1,6 +1,6 @@
{
"name" : "node-red-node-pi-sense-hat",
- "version" : "0.0.4",
+ "version" : "0.0.5",
"description" : "A Node-RED node to interact with a Raspberry Pi Sense HAT",
"repository" : {
"type":"git",
diff --git a/hardware/sensehat/sensehat.html b/hardware/sensehat/sensehat.html
index 2370ea9b..90bd2b9d 100644
--- a/hardware/sensehat/sensehat.html
+++ b/hardware/sensehat/sensehat.html
@@ -122,9 +122,11 @@ the horizontal or vertical axis respectively.
Scroll a message
If msg.payload
is not recognised as any of the above commands,
it is treated as a text message to be scrolled across the screen.
+If the text is a single character, it will be displayed without scrolling.
+To scroll a single character, append a blank space after it - "A "
.
The following message properties can be used to customise the appearance:
- msg.colour
- the colour of the text, default: white
+ msg.color
- the colour of the text, default: white
msg.background
- the colour of the background, default: off
msg.speed
- the scroll speed. A value in the range 1 (slower) to 5 (faster), default: 3
diff --git a/hardware/sensehat/sensehat.js b/hardware/sensehat/sensehat.js
index 7ce45d35..76fb3800 100644
--- a/hardware/sensehat/sensehat.js
+++ b/hardware/sensehat/sensehat.js
@@ -232,7 +232,7 @@ module.exports = function(RED) {
HAT.close(this,done);
});
var handleTextMessage = function(line,msg) {
- var textCol = colours.getRGB(msg.color);
+ var textCol = colours.getRGB(msg.color||msg.colour);
var backCol = colours.getRGB(msg.background);
var speed = null;
if (!isNaN(msg.speed)) {
diff --git a/hardware/sensehat/sensehat.py b/hardware/sensehat/sensehat.py
index 24f807d8..f74c30b7 100644
--- a/hardware/sensehat/sensehat.py
+++ b/hardware/sensehat/sensehat.py
@@ -17,6 +17,7 @@
# R[rot] - rotate by rot (0,90,180,270)
# P[x,y,R,G,B]+ - set individual pixel(s) to a colour
# T[R,G,B[,R,G,B][,S]:]Message - scroll a message (nb: if message contains ':' it must be prefixed with ':')
+# if message is a single char, uses show_letter instead
# F[H|V] - flip horizontal|vertical
# X[0|1] - high frequency reporting (accel/gyro/orientation/compass) off|on
# Y[0|1] - low frequency reporting (temperature/humidity/pressure) off|on
@@ -173,8 +174,11 @@ def process_command(data):
tcol = (int(c[0]),int(c[1]),int(c[2]))
bcol = (int(c[3]),int(c[4]),int(c[5]))
speed = float(c[6])
- scroll = ScrollThread(tcol,bcol,speed,data);
- scroll.start()
+ if len(data) > 1:
+ scroll = ScrollThread(tcol,bcol,speed,data);
+ scroll.start()
+ else:
+ SH.show_letter(data,text_colour=tcol,back_colour=bcol)
elif data[0] == "F":
if data[1] == "H":
SH.flip_h()