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Documentation/szpi-esp32s3: Add doc for PSRAM
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Basic NuttShell configuration console and PSRAM enabled.

Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
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wangjianyu3
2025-03-30 22:50:54 +08:00
committed by Xiang Xiao
parent 847133c1ad
commit 882c39df4d
1 changed files with 22 additions and 0 deletions
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Documentation/platforms/xtensa/esp32s3/boards/lckfb-szpi-esp32s3/index.rst
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@@ -275,3 +275,25 @@ Then test LEDC(PWM) with pin42(backlight of LCD)::
nsh> pwm -d 0
pwm_main: starting output with frequency: 100 duty: 00000000
pwm_main: stopping output
psram
-----
Basic NuttShell configuration console and PSRAM(Pseudo Static Random Access Memory) enabled.
You can run the configuration and compilation procedure::
$ ./tools/configure.sh lckfb-szpi-esp32s3:psram
$ make flash -j$(nproc) ESPTOOL_PORT=/dev/ttyUSB0
Then comparing memory size with the basic "nsh" config::
# lckfb-szpi-esp32s3:nsh
nsh> free
total used free maxused maxfree nused nfree name
332948 161500 171448 178280 171448 39 1 Umem
# lckfb-szpi-esp32s3:psram
nsh> free
total used free maxused maxfree nused nfree name
8785268 161516 8623752 161888 8388592 41 2 Umem