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SourceVuESP-IDF Framework and Examplesdf_server sampleWS2812_CHECK

WS2812_CHECK macro

Syntax

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Summary

Declaration

from ws2812.c:30

#define WS2812_CHECK(a, str, action, ...) \ if (unlikely(!(a))) { \ ESP_LOGE(TAG, str, ##__VA_ARGS__); \ action; \ }

Arguments

Argument

a

str

action

References

Code

Location

#define WS2812_CHECK(a, str, action, ...) \

WS2812_CHECK(config, "config is null", return ESP_ERR_INVALID_ARG);

WS2812_CHECK(!s_ws2812, "already init done", return ESP_ERR_INVALID_ARG);

WS2812_CHECK(err == ESP_OK, "alloc fail", return ESP_ERR_NO_MEM);

WS2812_CHECK(err == ESP_OK, "set drive capability fail", return err);

WS2812_CHECK(err == ESP_OK, "spi_bus_initialize error", return err);

WS2812_CHECK(err == ESP_OK, "spi_bus_add_device error", goto EXIT);

WS2812_CHECK(err == ESP_OK, "set init data fail", return err);

WS2812_CHECK(s_ws2812, "not init", return ESP_ERR_INVALID_ARG);

WS2812_CHECK(s_ws2812, "ws2812b_init() must be called first", return ESP_ERR_INVALID_STATE);