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Posted to commits@nuttx.apache.org by si...@apache.org on 2026/04/04 17:45:32 UTC
(nuttx) branch master updated: doc/raspberrypi-pico: Improves ST7735 Documentation
This is an automated email from the ASF dual-hosted git repository.
simbit18 pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git
The following commit(s) were added to refs/heads/master by this push:
new 78e3f17b9ec doc/raspberrypi-pico: Improves ST7735 Documentation
78e3f17b9ec is described below
commit 78e3f17b9ec80ee01840a52c6ffd190615e1fa3b
Author: Alan Carvalho de Assis <ac...@gmail.com>
AuthorDate: Fri Apr 3 15:28:01 2026 -0300
doc/raspberrypi-pico: Improves ST7735 Documentation
This commit improves the documentation about ST7735 LCD usage.
Signed-off-by: Alan C. Assis <ac...@gmail.com>
---
.../arm/rp2040/boards/raspberrypi-pico/index.rst | 51 ++++++++++++++++++++-
.../arm/rp2040/boards/raspberrypi-pico/st7735.png | Bin 0 -> 1505497 bytes
2 files changed, 50 insertions(+), 1 deletion(-)
diff --git a/Documentation/platforms/arm/rp2040/boards/raspberrypi-pico/index.rst b/Documentation/platforms/arm/rp2040/boards/raspberrypi-pico/index.rst
index 5d5636f6d74..4010591a24d 100644
--- a/Documentation/platforms/arm/rp2040/boards/raspberrypi-pico/index.rst
+++ b/Documentation/platforms/arm/rp2040/boards/raspberrypi-pico/index.rst
@@ -356,10 +356,59 @@ ST7735 SPI LCD.
* - AO(D/C)
- GP12 (SPI1 RX) (Pin 16)
* - BL
- - GP11 (Pin 15)
+ - GP11 (Pin 15) [1]
* - RESET
- GP10 (Pin 14)
+1: At least in my LCD module I don't need to connect any wire to the backlight pin (BLK) since it is enabled by default.
+
+After compiling and flashing the firmware in our board, run fb command.
+
+.. code:: console
+
+ NuttShell (NSH) NuttX-12.13.0
+ nsh> ?
+ help usage: help [-v] [<cmd>]
+ . cp exit mkrd rmdir true
+ [ cmp expr mount set truncate
+ ? dirname false mv kill uname
+ alias date fdinfo pidof pkill umount
+ unalias df free printf sleep unset
+ basename dmesg help ps usleep uptime
+ break echo hexdump pwd source watch
+ cat env ls reboot test xd
+ cd exec mkdir rm time wait
+ Builtin Apps:
+ dd getprime nsh nxdemo nxlines sh
+ fb hello nx nxhello ostest
+ nsh> fb
+ VideoInfo:
+ fmt: 11
+ xres: 128
+ yres: 160
+ nplanes: 1
+ PlaneInfo (plane 0):
+ fbmem: 0x20003bf0
+ fblen: 40960
+ stride: 256
+ display: 0
+ bpp: 16
+ Mapped FB: 0x20003bf0
+ 0: ( 0, 0) (128,160)
+ 1: ( 11, 14) (106,132)
+ 2: ( 22, 28) ( 84,104)
+ 3: ( 33, 42) ( 62, 76)
+ 4: ( 44, 56) ( 40, 48)
+ 5: ( 55, 70) ( 18, 20)
+ Test finished
+ nsh>
+
+
+You should see this image:
+
+.. figure:: st7735.png
+ :align: center
+
tmp112
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diff --git a/Documentation/platforms/arm/rp2040/boards/raspberrypi-pico/st7735.png b/Documentation/platforms/arm/rp2040/boards/raspberrypi-pico/st7735.png
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index 00000000000..6099ab36f3a
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