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/Zephyr-latest/samples/drivers/ht16k33/
DREADME.rst1 .. zephyr:code-sample:: ht16k33
2 :name: HT16K33 LED driver with keyscan
5 Control up to 128 LEDs connected to an HT16K33 LED driver and log keyscan events.
10 This sample controls the LEDs connected to a `Holtek HT16K33`_
12 rows/columns of the HT16K33.
27 connect an HT16K33 LED driver at address 0x70 on the I2C-0 bus.
30 :zephyr-app: samples/drivers/ht16k33
43 .. _Holtek HT16K33: https://www.holtek.com/page/vg/HT16K33A
Dsample.yaml2 description: Demonstration of the HT16K33 LED driver with keyscan
3 name: HT16K33 sample
5 sample.drivers.ht16k33:
DCMakeLists.txt6 project(ht16k33) project
/Zephyr-latest/drivers/led/
DKconfig.ht16k334 menuconfig HT16K33 config
5 bool "HT16K33 LED driver"
10 Enable LED driver for HT16K33.
12 The HT16K33 is a memory mapping, multifunction LED
18 depends on (HT16K33 && INPUT)
20 Enable keyscan child device support in the HT16K33 LED
24 HT16K33 keyscan driver.
Dht16k33.c11 * @brief LED driver for the HT16K33 I2C LED driver with keyscan
22 LOG_MODULE_REGISTER(ht16k33, CONFIG_LED_LOG_LEVEL);
26 /* HT16K33 commands and options */
54 /* HT16K33 size definitions */
94 /* The HT16K33 blinks all LEDs at the same frequency */ in ht16k33_led_blink()
120 LOG_ERR("Setting HT16K33 blink frequency failed"); in ht16k33_led_blink()
147 LOG_ERR("Setting HT16K33 brightness failed"); in ht16k33_led_set_brightness()
182 LOG_ERR("Setting HT16K33 LED %s failed", on ? "on" : "off"); in ht16k33_led_set_state()
216 LOG_WRN("Failed to read HT16K33 key data (err %d)", err); in ht16k33_process_keyscan_data()
314 LOG_ERR("Enabling HT16K33 system oscillator failed (err %d)", in ht16k33_init()
[all …]
DCMakeLists.txt7 zephyr_library_sources_ifdef(CONFIG_HT16K33 ht16k33.c)
DKconfig30 source "drivers/led/Kconfig.ht16k33"
/Zephyr-latest/dts/bindings/led/
Dholtek,ht16k33.yaml1 description: Holtek HT16K33 LEDs
3 compatible: "holtek,ht16k33"
7 bus: ht16k33
/Zephyr-latest/samples/drivers/ht16k33/boards/
Dnrf52840dk_nrf52840.overlay10 ht16k33@70 {
11 compatible = "holtek,ht16k33";
/Zephyr-latest/tests/drivers/build_all/led/
Dapp.overlay41 ht16k33@1 {
42 compatible = "holtek,ht16k33";
/Zephyr-latest/doc/releases/
Drelease-notes-2.0.rst246 * Added HT16K33 LED driver
279 * Added Holtek HT16K33 LED driver
1094 * :github:`16164` - [Coverity CID :198584]Uninitialized variables in /drivers/led/ht16k33.c
Dmigration-guide-3.7.rst578 * The ``holtek,ht16k33-keyscan`` driver has been converted to use the
Drelease-notes-3.7.rst923 * Migrated :dtcompatible:`holtek,ht16k33` and