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fix(led): Explicitly disable onboard WS2812 LED during CSI collection #273

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fix(led): Explicitly disable onboard WS2812 LED during CSI collection #273

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3 changes: 3 additions & 0 deletions firmware/esp32-csi-node/main/idf_component.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,3 +8,6 @@ dependencies:

## LCD touch abstraction
espressif/esp_lcd_touch: "^1.0"

## Onboard WS2812 LED Disabling
espressif/led_strip: "^3.0.0"
18 changes: 18 additions & 0 deletions firmware/esp32-csi-node/main/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "esp_log.h"
#include "nvs_flash.h"
#include "sdkconfig.h"
#include "led_strip.h"

#include "csi_collector.h"
#include "stream_sender.h"
Expand Down Expand Up @@ -138,6 +139,23 @@ void app_main(void)

ESP_LOGI(TAG, "ESP32-S3 CSI Node (ADR-018) — Node ID: %d", g_nvs_config.node_id);

/* Turn off onboard WS2812 LED on GPIO 38 */
led_strip_handle_t led_strip;
led_strip_config_t strip_config = {
.strip_gpio_num = 38,
.max_leds = 1,
.led_model = LED_MODEL_WS2812,
.color_component_format = LED_STRIP_COLOR_COMPONENT_FMT_GRB,
.flags.invert_out = false,
};
led_strip_rmt_config_t rmt_config = {
.resolution_hz = 10 * 1000 * 1000, // 10MHz
.flags.with_dma = false,
};
if (led_strip_new_rmt_device(&strip_config, &rmt_config, &led_strip) == ESP_OK) {
led_strip_clear(led_strip);
}

/* Initialize WiFi STA (skip entirely under QEMU mock — no RF hardware) */
#ifndef CONFIG_CSI_MOCK_SKIP_WIFI_CONNECT
wifi_init_sta();
Expand Down