pybricks.common.LightMatrix.char: Improve single digits.

Author: afarago

CHANGELOG.md

@@ -13,17 +13,20 @@
   correction of the `hub.imu.heading()` value ([support#1678]).
 - Added `update_heading_correction` to interactively set the heading
   correction value ([support#1678]).
-- Reduced hub poweroff time from 3 to 2 second to make it easier to turn off
-  the hub ([pybricks-micropython#250]).
 
 ### Changed
 
 - When upgrading the firmware to a new version, the user program will now
   be erased. This avoids issues with incompatible program files ([support#1622]).
 - The `angular_velocity_threshold`, and `acceleration_threshold` settings
   in `hub.imu.settings` are now persistent between reboots.
+- Reduced hub poweroff time from 3 to 2 second to make it easier to turn off
+  the hub ([pybricks-micropython#250]).
+- Improved font for the digits ``0--9`` when displaying them
+  with `hub.display.char(str(x))` ([pybricks-micropython#253]).
 
 [pybricks-micropython#250]: https://github.com/pybricks/pybricks-micropython/pull/250
+[pybricks-micropython#253]: https://github.com/pybricks/pybricks-micropython/pull/253
 [support#1615]: https://github.com/pybricks/support/issues/1615
 [support#1622]: https://github.com/pybricks/support/issues/1622
 [support#1678]: https://github.com/pybricks/support/issues/1678

pybricks/common/pb_type_lightmatrix_fonts.c

@@ -196,11 +196,11 @@ const uint8_t pb_font_5x5[95][5] = {
         0b10000, // 🟨⬛⬛⬛⬛
     },
     {   // 0
-        0b01100, // ⬛🟨🟨⬛⬛
-        0b10010, // 🟨⬛⬛🟨⬛
-        0b10010, // 🟨⬛⬛🟨⬛
-        0b10010, // 🟨⬛⬛🟨⬛
-        0b01100, // ⬛🟨🟨⬛⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b01010, // ⬛🟨⬛🟨⬛
+        0b01010, // ⬛🟨⬛🟨⬛
+        0b01010, // ⬛🟨⬛🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 1
         0b00100, // ⬛⬛🟨⬛⬛
@@ -210,60 +210,60 @@ const uint8_t pb_font_5x5[95][5] = {
         0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 2
-        0b11100, // 🟨🟨🟨⬛⬛
+        0b01110, // ⬛🟨🟨🟨⬛
         0b00010, // ⬛⬛⬛🟨⬛
-        0b01100, // ⬛🟨🟨⬛⬛
-        0b10000, // 🟨⬛⬛⬛⬛
-        0b11110, // 🟨🟨🟨🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b01000, // ⬛🟨⬛⬛⬛
+        0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 3
-        0b11110, // 🟨🟨🟨🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
         0b00010, // ⬛⬛⬛🟨⬛
-        0b00100, // ⬛⬛🟨⬛⬛
-        0b10010, // 🟨⬛⬛🟨⬛
-        0b01100, // ⬛🟨🟨⬛⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b00010, // ⬛⬛⬛🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 4
-        0b00110, // ⬛⬛🟨🟨⬛
         0b01010, // ⬛🟨⬛🟨⬛
-        0b10010, // 🟨⬛⬛🟨⬛
-        0b11111, // 🟨🟨🟨🟨🟨
+        0b01010, // ⬛🟨⬛🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b00010, // ⬛⬛⬛🟨⬛
         0b00010, // ⬛⬛⬛🟨⬛
     },
     {   // 5
-        0b11111, // 🟨🟨🟨🟨🟨
-        0b10000, // 🟨⬛⬛⬛⬛
-        0b11110, // 🟨🟨🟨🟨⬛
-        0b00001, // ⬛⬛⬛⬛🟨
-        0b11110, // 🟨🟨🟨🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b01000, // ⬛🟨⬛⬛⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b00010, // ⬛⬛⬛🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 6
-        0b00010, // ⬛⬛⬛🟨⬛
-        0b00100, // ⬛⬛🟨⬛⬛
         0b01110, // ⬛🟨🟨🟨⬛
-        0b10001, // 🟨⬛⬛⬛🟨
+        0b01000, // ⬛🟨⬛⬛⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b01010, // ⬛🟨⬛🟨⬛
         0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 7
-        0b11111, // 🟨🟨🟨🟨🟨
+        0b01110, // ⬛🟨🟨🟨⬛
         0b00010, // ⬛⬛⬛🟨⬛
         0b00100, // ⬛⬛🟨⬛⬛
-        0b01000, // ⬛🟨⬛⬛⬛
-        0b10000, // 🟨⬛⬛⬛⬛
+        0b00100, // ⬛⬛🟨⬛⬛
+        0b00100, // ⬛⬛🟨⬛⬛
     },
     {   // 8
         0b01110, // ⬛🟨🟨🟨⬛
-        0b10001, // 🟨⬛⬛⬛🟨
+        0b01010, // ⬛🟨⬛🟨⬛
         0b01110, // ⬛🟨🟨🟨⬛
-        0b10001, // 🟨⬛⬛⬛🟨
+        0b01010, // ⬛🟨⬛🟨⬛
         0b01110, // ⬛🟨🟨🟨⬛
     },
     {   // 9
         0b01110, // ⬛🟨🟨🟨⬛
-        0b10001, // 🟨⬛⬛⬛🟨
+        0b01010, // ⬛🟨⬛🟨⬛
+        0b01110, // ⬛🟨🟨🟨⬛
+        0b00010, // ⬛⬛⬛🟨⬛
         0b01110, // ⬛🟨🟨🟨⬛
-        0b00100, // ⬛⬛🟨⬛⬛
-        0b01000, // ⬛🟨⬛⬛⬛
     },
     {   // :
         0b00000, // ⬛⬛⬛⬛⬛