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-rw-r--r--nuttx/configs/sama5d4-ek/README.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/nuttx/configs/sama5d4-ek/README.txt b/nuttx/configs/sama5d4-ek/README.txt
index d047260a5..91475f525 100644
--- a/nuttx/configs/sama5d4-ek/README.txt
+++ b/nuttx/configs/sama5d4-ek/README.txt
@@ -2814,6 +2814,12 @@ TM7000 LCD/Touchscreen
QTouch™ Button Sensor IC
- 200 bytes of non-volatile serial EEPROM
+ NOTE: It appears that my TM7000 differs slightly from the version
+ described in the tm7000.pdf file: That document claims that the
+ hardware interface to the LCD is 18-bit RGB666; but the one that
+ I have is certainly 24-bit RGB888. If you have LCD issues, you may
+ need to tweak some of the settings in configs/sama5d4-ek/include/board.h.
+
Jumper JP2 selects either the EMAC1 or the LCD by controlling the
the LCD_ETH1_CONFIG signal on the board.
@@ -3786,6 +3792,10 @@ Configurations
window controls, movement, mouse and keyboard input. It requires no
user interaction.
+ The test is executed by simply typing:
+
+ nsh> nx
+
There are several simple graphics examples under apps/examples/ that
could be configured to verify LCD/graphics operation: