168 lines
6.1 KiB
C
168 lines
6.1 KiB
C
/*
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* status_led.c
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*
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* Copyright (c) 2025 Umber Networks & Robert McMahon
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "status_led.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "led_strip.h"
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#include "esp_log.h"
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static const char *TAG = "status_led";
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static led_strip_handle_t s_led_strip = NULL;
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static bool s_is_rgb = false;
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static int s_gpio_pin = -1;
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static volatile led_state_t s_current_state = LED_STATE_NO_CONFIG;
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// Helper to set color safely
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static void set_color(uint8_t r, uint8_t g, uint8_t b) {
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if (s_is_rgb && s_led_strip) {
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led_strip_set_pixel(s_led_strip, 0, r, g, b);
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led_strip_refresh(s_led_strip);
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} else if (!s_is_rgb && s_gpio_pin >= 0) {
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// Simple LED logic: If any color is requested, turn ON.
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// NOTE: If your LED is active-low (VCC->LED->Pin), invert this to !((r+g+b)>0)
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gpio_set_level(s_gpio_pin, (r + g + b) > 0 ? 1 : 0);
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}
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}
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static void led_task(void *arg) {
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int toggle = 0;
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// --- Startup Diagnostic Sequence ---
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// Cycle R -> G -> B to prove hardware is working
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ESP_LOGW(TAG, "Running LED Diagnostic Sequence on GPIO %d...", s_gpio_pin);
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set_color(50, 0, 0); // Red
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vTaskDelay(pdMS_TO_TICKS(300));
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set_color(0, 50, 0); // Green
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vTaskDelay(pdMS_TO_TICKS(300));
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set_color(0, 0, 50); // Blue
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vTaskDelay(pdMS_TO_TICKS(300));
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set_color(0, 0, 0); // Off
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vTaskDelay(pdMS_TO_TICKS(100));
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while (1) {
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// Brightness set to 30-50 (out of 255) for visibility
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switch (s_current_state) {
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case LED_STATE_NO_CONFIG: // Yellow (Solid RGB / Blink Simple)
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if (s_is_rgb) {
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set_color(40, 30, 0);
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vTaskDelay(pdMS_TO_TICKS(1000));
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} else {
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set_color(1,1,1); vTaskDelay(pdMS_TO_TICKS(100));
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set_color(0,0,0); vTaskDelay(pdMS_TO_TICKS(100));
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}
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break;
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case LED_STATE_WAITING: // Blue Blink
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set_color(0, 0, toggle ? 50 : 0);
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toggle = !toggle;
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vTaskDelay(pdMS_TO_TICKS(500));
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break;
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case LED_STATE_CONNECTED: // Green Solid
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set_color(0, 30, 0);
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vTaskDelay(pdMS_TO_TICKS(1000));
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break;
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case LED_STATE_MONITORING: // Cyan Solid
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set_color(0, 30, 30);
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vTaskDelay(pdMS_TO_TICKS(1000));
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break;
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case LED_STATE_TRANSMITTING: // Purple Fast Flash
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set_color(toggle ? 40 : 0, 0, toggle ? 40 : 0);
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toggle = !toggle;
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vTaskDelay(pdMS_TO_TICKS(100));
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break;
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case LED_STATE_TRANSMITTING_SLOW: // Purple Slow Pulse
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set_color(toggle ? 40 : 0, 0, toggle ? 40 : 0);
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toggle = !toggle;
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vTaskDelay(pdMS_TO_TICKS(500));
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break;
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case LED_STATE_STALLED: // Red/Purple Solid
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set_color(50, 0, 20);
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vTaskDelay(pdMS_TO_TICKS(1000));
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break;
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case LED_STATE_FAILED: // Red Blink
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set_color(toggle ? 50 : 0, 0, 0);
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toggle = !toggle;
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vTaskDelay(pdMS_TO_TICKS(200));
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break;
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default:
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vTaskDelay(pdMS_TO_TICKS(100));
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break;
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}
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}
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}
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void status_led_init(int gpio_pin, bool is_rgb_strip) {
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s_gpio_pin = gpio_pin;
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s_is_rgb = is_rgb_strip;
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ESP_LOGI(TAG, "Initializing Status LED: GPIO=%d, Type=%s",
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gpio_pin, is_rgb_strip ? "RGB Strip (WS2812)" : "Simple GPIO");
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if (s_is_rgb) {
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led_strip_config_t s_cfg = {
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.strip_gpio_num = gpio_pin,
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.max_leds = 1,
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.led_pixel_format = LED_PIXEL_FORMAT_GRB,
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.led_model = LED_MODEL_WS2812,
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.flags.invert_out = false,
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};
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led_strip_rmt_config_t r_cfg = {
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.resolution_hz = 10 * 1000 * 1000,
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.flags.with_dma = false,
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};
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esp_err_t ret = led_strip_new_rmt_device(&s_cfg, &r_cfg, &s_led_strip);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to create RMT LED strip: %s", esp_err_to_name(ret));
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return;
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}
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led_strip_clear(s_led_strip);
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} else {
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gpio_reset_pin(gpio_pin);
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gpio_set_direction(gpio_pin, GPIO_MODE_OUTPUT);
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gpio_set_level(gpio_pin, 0);
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}
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xTaskCreate(led_task, "led_task", 2048, NULL, 5, NULL);
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}
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void status_led_set_state(led_state_t state) {
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s_current_state = state;
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}
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led_state_t status_led_get_state(void) {
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return s_current_state;
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}
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