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SourceVuESP-IDF Framework and Examplesdf_server samplews2812_init()

ws2812_init() function

Initialize ws2812 output

Syntax

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Summary

Declaration

Definition

from ws2812.h:30

esp_err_t ws2812_init(driver_ws2812_t *config, void(*hook_func)(void *));

Implemented in ws2812.c:91

Arguments

Argument

Description

config

Driver configuration

hook_func

Hook function, which will be called inside the driver. e.g. to notify that config have been changed internally

Return value

esp_err_t

References

Code

Location

esp_err_t ws2812_init(driver_ws2812_t *config, void(*hook_func)(void *))

ws2812.c:91

esp_err_t ws2812_init(driver_ws2812_t *config, void(*hook_func)(void *));

ws2812.h:30

.init = (x_init_t)ws2812_init,

hal_driver.c:262

Call Tree

ws2812_init() calls 9 functions:

ws2812_init()

gpio_set_drive_capability()

Data Use

ws2812_init() reads 15 variables and writes 4 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

gpio_drive_cap_t::GPIO_DRIVE_CAP_3

spi_host_device_t::SPI2_HOST

spi_common_dma_t::SPI_DMA_CH_AUTO

driver_ws2812_t::led_num

driver_ws2812_t::ctrl_io

TAG

ws2812_handle_t::led_num

ws2812_handle_t::buf

ws2812_handle_t::buf_size

s_ws2812

ws2812_init()

ws2812_handle_t::led_num

ws2812_handle_t::buf

ws2812_handle_t::buf_size

s_ws2812

Class Tree

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Implementations

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Instances

Lifecycle

ws2812_init() frees 1 types:

ws2812_init()

ws2812_handle_t