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arch/risc-v/espressif: Add touch sensor support for esp32[-p4]#18896

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xiaoxiang781216 merged 3 commits into
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eren-terzioglu:feature/esp_riscv_touch_sensor
May 19, 2026
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arch/risc-v/espressif: Add touch sensor support for esp32[-p4]#18896
xiaoxiang781216 merged 3 commits into
apache:masterfrom
eren-terzioglu:feature/esp_riscv_touch_sensor

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@eren-terzioglu eren-terzioglu commented May 18, 2026

Summary

  • Docs/platforms/esp32p4: Add touch sensor docs

Add touch sensor docs for esp32[-p4]

  • boards/risc-v/esp32p4: Add touch sensor board support for esp32[-p4]

Add touch sensor board support for esp32p4

  • arch/risc-v/espressif: Add touch sensor support for esp32[-p4]

Add touch sensor support for esp32p4

Impact

Impact on user: Yes, touch sensor can be used with esp32p4

Impact on build: No

Impact on hardware: Yes, touch sensor is supported for esp32p4

Impact on documentation: Yes, related docs added

Impact on security: No

Impact on compatibility: No

Testing

esp32p4-function-ev-board:buttons config used with these options

CONFIG_ESPRESSIF_TOUCH=y
CONFIG_ESP_TOUCH_CHANNEL1=y
CONFIG_ESP_TOUCH_IRQ=y

Building

Command to build

make distclean && ./tools/configure.sh esp32p4-function-ev-board:buttons && kconfig-tweak -e CONFIG_ESPRESSIF_TOUCH && kconfig-tweak -e CONFIG_ESP_TOUCH_CHANNEL1 && kconfig-tweak -e CONFIG_ESP_TOUCH_IRQ && make olddefconfig && make -j && make download ESPTOOL_PORT=/dev/ttyUSB0

Running

buttons example run and then touched to the GPIO2 pin

Results

Output should look like this:

nsh> buttons
buttons_main: Starting the button_daemon
btn_supported: NUM_BUTTONS: 02
board_buttons: Reading button 0
board_buttons: b=0 n=0
board_buttons: Reading button 1
board_buttons: b=0 n=0
btn_enable: press: 0f release: 0f handler: 0x40021da0 arg: 0x4ff2b6d0
board_button_irq: Attach 0x400218b0 to touch pad 1
btn_supported: NUM_BUTTONS: 02
btn_enable: press: 0f release: 0f handler: 0x40021da0 arg: 0x4ff2b6d0
board_button_irq: Attach 0x400218b0 to touch pad 1
buttons_main: button_daemon started
button_daemon: Running
button_daemon: Opening /dev/buttons
button_daemon: Supported BUTTONs 0x03
nsh> board_buttons: Reading button 0
board_buttons: b=0 n=0
board_buttons: Reading button 1
board_buttons: b=0 n=0
btn_supported: NUM_BUTTONS: 02
BUTTON1 was pressed

@eren-terzioglu
arch/risc-v/espressif: Add touch sensor support for esp32[-p4]
98e46be 
Add touch sensor support for esp32p4

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
linguini1
linguini1 previously approved these changes May 18, 2026
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xiaoxiang781216
xiaoxiang781216 reviewed May 18, 2026
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Comment thread boards/risc-v/esp32p4/esp32p4-function-ev-board/src/esp32p4_buttons.c Outdated
@github-actions github-actions Bot added Area: Documentation Improvements or additions to documentation Arch: risc-v Issues related to the RISC-V (32-bit or 64-bit) architecture Size: XL The size of the change in this PR is very large. Consider breaking down the PR into smaller pieces. Board: risc-v labels May 18, 2026
@eren-terzioglu eren-terzioglu force-pushed the feature/esp_riscv_touch_sensor branch from f3e0118 to 38fba3a Compare May 18, 2026 15:18
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eren-terzioglu commented May 18, 2026

Thanks @xiaoxiang781216, updated.

@eren-terzioglu
boards/risc-v/esp32p4: Add touch sensor board support for esp32[-p4]
4f56f74 
Add touch sensor board support for esp32p4

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
@eren-terzioglu
Docs/platforms/esp32p4: Add touch sensor docs
38fba3a 
Add touch sensor docs for esp32[-p4]

Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
@eren-terzioglu
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eren-terzioglu commented May 19, 2026

Error seems unrelated to this PR.

@xiaoxiang781216 xiaoxiang781216 merged commit 306de5b into apache:master May 19, 2026
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Arch: risc-v Issues related to the RISC-V (32-bit or 64-bit) architecture Area: Documentation Improvements or additions to documentation Board: risc-v Size: XL The size of the change in this PR is very large. Consider breaking down the PR into smaller pieces.

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