optimise simulation handling

Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
2025-09-30 20:16:10 +02:00
parent 08b0e04584
commit 99aa30c8e5
13 changed files with 482 additions and 133 deletions

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@@ -1,4 +1,5 @@
idf_component_register(SRCS
src/color.c
src/led_status.c
src/led_strip_ws2812.c
INCLUDE_DIRS "include"

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@@ -9,4 +9,14 @@ typedef struct
uint8_t blue;
} rgb_t;
void interpolate_color(const rgb_t start_color, const rgb_t end_color, float fraction, rgb_t *out_color);
typedef struct
{
uint8_t h;
uint8_t s;
uint8_t v;
} hsv_t;
rgb_t interpolate_color_rgb(rgb_t start, rgb_t end, float factor);
rgb_t interpolate_color_hsv(rgb_t start, rgb_t end, float factor);
hsv_t rgb_to_hsv(rgb_t rgb);
rgb_t hsv_to_rgb(hsv_t hsv);

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@@ -1,8 +1,183 @@
#include "color.h"
#include <math.h>
void interpolate_color(const rgb_t start_color, const rgb_t end_color, float fraction, rgb_t *out_color)
rgb_t interpolate_color_rgb(rgb_t start, rgb_t end, float factor)
{
out_color->r = start_color.r + (end_color.r - start_color.r) * fraction;
out_color->g = start_color.g + (end_color.g - start_color.g) * fraction;
out_color->b = start_color.b + (end_color.b - start_color.b) * fraction;
}
// Clamp factor to [0, 1]
if (factor > 1.0f)
factor = 1.0f;
if (factor < 0.0f)
factor = 0.0f;
rgb_t result;
result.red = (uint8_t)(start.red + (end.red - start.red) * factor);
result.green = (uint8_t)(start.green + (end.green - start.green) * factor);
result.blue = (uint8_t)(start.blue + (end.blue - start.blue) * factor);
return result;
}
rgb_t interpolate_color_hsv(rgb_t start, rgb_t end, float factor)
{
// Clamp factor to [0, 1]
if (factor > 1.0f)
factor = 1.0f;
if (factor < 0.0f)
factor = 0.0f;
// Convert RGB to HSV
hsv_t start_hsv = rgb_to_hsv(start);
hsv_t end_hsv = rgb_to_hsv(end);
// Handle hue interpolation carefully (circular)
double h1 = start_hsv.h;
double h2 = end_hsv.h;
double diff = h2 - h1;
if (diff > 180.0)
{
h1 += 360.0;
}
else if (diff < -180.0)
{
h2 += 360.0;
}
// Interpolate HSV values
hsv_t interpolated_hsv;
interpolated_hsv.h = fmod(h1 + (h2 - h1) * factor, 360.0);
if (interpolated_hsv.h < 0)
{
interpolated_hsv.h += 360.0;
}
interpolated_hsv.s = start_hsv.s + (end_hsv.s - start_hsv.s) * factor;
interpolated_hsv.v = start_hsv.v + (end_hsv.v - start_hsv.v) * factor;
// Convert back to RGB
return hsv_to_rgb(interpolated_hsv);
}
hsv_t rgb_to_hsv(rgb_t rgb)
{
hsv_t hsv;
uint8_t max = rgb.red;
uint8_t min = rgb.red;
if (rgb.green > max)
max = rgb.green;
if (rgb.blue > max)
max = rgb.blue;
if (rgb.green < min)
min = rgb.green;
if (rgb.blue < min)
min = rgb.blue;
uint8_t delta = max - min;
// Value berechnen
hsv.v = max;
// Saturation berechnen
if (max != 0)
{
hsv.s = (delta * 255) / max;
}
else
{
// Schwarz (r = g = b = 0)
hsv.s = 0;
hsv.h = 0;
return hsv;
}
// Hue berechnen
if (delta != 0)
{
int16_t hue;
if (rgb.red == max)
{
// Zwischen Gelb und Magenta
hue = ((int16_t)(rgb.green - rgb.blue) * 30) / delta;
if (hue < 0)
hue += 180;
}
else if (rgb.green == max)
{
// Zwischen Cyan und Gelb
hue = 60 + ((int16_t)(rgb.blue - rgb.red) * 30) / delta;
}
else
{
// Zwischen Magenta und Cyan
hue = 120 + ((int16_t)(rgb.red - rgb.green) * 30) / delta;
}
hsv.h = (uint8_t)hue;
}
else
{
// Graustufe
hsv.h = 0;
}
return hsv;
}
rgb_t hsv_to_rgb(hsv_t hsv)
{
rgb_t rgb;
if (hsv.s == 0)
{
// Graustufe
rgb.red = hsv.v;
rgb.green = hsv.v;
rgb.blue = hsv.v;
}
else
{
uint16_t region = hsv.h / 30;
uint16_t remainder = (hsv.h - (region * 30)) * 6;
uint8_t p = (hsv.v * (255 - hsv.s)) / 255;
uint8_t q = (hsv.v * (255 - ((hsv.s * remainder) / 180))) / 255;
uint8_t t = (hsv.v * (255 - ((hsv.s * (180 - remainder)) / 180))) / 255;
switch (region)
{
case 0:
rgb.red = hsv.v;
rgb.green = t;
rgb.blue = p;
break;
case 1:
rgb.red = q;
rgb.green = hsv.v;
rgb.blue = p;
break;
case 2:
rgb.red = p;
rgb.green = hsv.v;
rgb.blue = t;
break;
case 3:
rgb.red = p;
rgb.green = q;
rgb.blue = hsv.v;
break;
case 4:
rgb.red = t;
rgb.green = p;
rgb.blue = hsv.v;
break;
default: // case 5:
rgb.red = hsv.v;
rgb.green = p;
rgb.blue = q;
break;
}
}
return rgb;
}

View File

@@ -12,7 +12,8 @@ typedef struct
__BEGIN_DECLS
char *get_time(void);
esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t blue);
esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t blue, uint8_t white,
uint8_t brightness, uint8_t saturation);
void cleanup_light_items(void);
void start_simulate_day(void);
void start_simulate_night(void);

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@@ -7,6 +7,7 @@
#include <esp_log.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
@@ -37,12 +38,36 @@ typedef struct light_item_node_t
static light_item_node_t *head = NULL;
static light_item_node_t *tail = NULL;
// Interpolation mode selection
typedef enum
{
INTERPOLATION_RGB,
INTERPOLATION_HSV
} interpolation_mode_t;
// You can change this to test different interpolation methods
static const interpolation_mode_t interpolation_mode = INTERPOLATION_RGB;
char *get_time(void)
{
return time;
}
esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t blue)
// Main interpolation function that selects the appropriate method
static rgb_t interpolate_color(rgb_t start, rgb_t end, float factor)
{
switch (interpolation_mode)
{
case INTERPOLATION_RGB:
return interpolate_color_rgb(start, end, factor);
case INTERPOLATION_HSV:
default:
return interpolate_color_hsv(start, end, factor);
}
}
esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t blue, uint8_t white,
uint8_t brightness, uint8_t saturation)
{
// Allocate memory for a new node in PSRAM.
light_item_node_t *new_node = (light_item_node_t *)heap_caps_malloc(sizeof(light_item_node_t), MALLOC_CAP_SPIRAM);
@@ -52,11 +77,17 @@ esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t
return ESP_FAIL;
}
rgb_t color = {.red = red, .green = green, .blue = blue};
hsv_t hsv = rgb_to_hsv(color);
hsv.v = brightness;
hsv.s = saturation;
rgb_t adjusted_color = hsv_to_rgb(hsv);
// Initialize the data of the new node.
memcpy(new_node->time, time, sizeof(new_node->time));
new_node->red = red;
new_node->green = green;
new_node->blue = blue;
new_node->red = adjusted_color.red;
new_node->green = adjusted_color.green;
new_node->blue = adjusted_color.blue;
new_node->next = NULL;
// Append the new node to the end of the list.
@@ -131,16 +162,62 @@ static light_item_node_t *find_best_light_item_for_time(int hhmm)
if (best_item == NULL)
{
ESP_LOGW(TAG, "No suitable light item found for time up to %04d", hhmm);
}
else
{
ESP_LOGD(TAG, "Best light item for time %04d is %s", hhmm, best_item->time);
// If no item is found for the given time (e.g., before the first item of the day),
// find the last item of the previous day.
best_time = -1;
current = head;
while (current != NULL)
{
int current_time = atoi(current->time);
if (current_time > best_time)
{
best_time = current_time;
best_item = current;
}
current = current->next;
}
}
return best_item;
}
static light_item_node_t *find_next_light_item_for_time(int hhmm)
{
light_item_node_t *current = head;
light_item_node_t *next_item = NULL;
int next_time = 9999; // Initialize with a value larger than any possible time
// First pass: find the soonest time after hhmm
while (current != NULL)
{
int current_time = atoi(current->time);
if (current_time > hhmm && current_time < next_time)
{
next_time = current_time;
next_item = current;
}
current = current->next;
}
// If no item is found for the rest of the day, wrap around to the beginning of the next day
if (next_item == NULL)
{
current = head;
next_time = 9999;
while (current != NULL)
{
int current_time = atoi(current->time);
if (current_time < next_time)
{
next_time = current_time;
next_item = current;
}
current = current->next;
}
}
return next_item;
}
void start_simulate_day(void)
{
initialize_light_items();
@@ -186,7 +263,6 @@ void simulate_cycle(void *args)
cycle_duration_minutes, delay_ms);
int current_minute_of_day = 0;
light_item_node_t *last_item = NULL;
while (1)
{
@@ -196,15 +272,47 @@ void simulate_cycle(void *args)
time = time_to_string(hhmm);
light_item_node_t *current_item = find_best_light_item_for_time(hhmm);
light_item_node_t *next_item = find_next_light_item_for_time(hhmm);
if (current_item != NULL && current_item != last_item)
if (current_item != NULL && next_item != NULL)
{
ESP_LOGI(TAG, "Simulating time: %02d:%02d -> Closest schedule is %s. R:%d, G:%d, B:%d", hours, minutes,
current_item->time, current_item->red, current_item->green, current_item->blue);
int current_item_time_min = (atoi(current_item->time) / 100) * 60 + (atoi(current_item->time) % 100);
int next_item_time_min = (atoi(next_item->time) / 100) * 60 + (atoi(next_item->time) % 100);
if (next_item_time_min < current_item_time_min)
{
next_item_time_min += total_minutes_in_day;
}
int minutes_since_current_item_start = current_minute_of_day - current_item_time_min;
if (minutes_since_current_item_start < 0)
{
minutes_since_current_item_start += total_minutes_in_day;
}
int interval_duration = next_item_time_min - current_item_time_min;
if (interval_duration == 0)
{
interval_duration = 1;
}
float interpolation_factor = (float)minutes_since_current_item_start / (float)interval_duration;
// Prepare colors for interpolation
rgb_t start_rgb = {.red = current_item->red, .green = current_item->green, .blue = current_item->blue};
rgb_t end_rgb = {.red = next_item->red, .green = next_item->green, .blue = next_item->blue};
// Use the interpolation function
rgb_t final_rgb = interpolate_color(start_rgb, end_rgb, interpolation_factor);
led_strip_update(LED_STATE_SIMULATION, final_rgb);
}
else if (current_item != NULL)
{
// No next item, just use current
led_strip_update(
LED_STATE_SIMULATION,
(rgb_t){.red = current_item->red, .green = current_item->green, .blue = current_item->blue});
last_item = current_item;
}
vTaskDelay(pdMS_TO_TICKS(delay_ms));

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@@ -11,10 +11,10 @@ static const char *TAG = "storage";
void initialize_storage()
{
esp_vfs_spiffs_conf_t conf = {
.base_path = "/spiffs", // Der Basispfad, unter dem das Dateisystem gemountet wird
.partition_label = NULL, // NULL, um die erste gefundene SPIFFS-Partition zu verwenden
.max_files = 5, // Maximale Anzahl gleichzeitig geöffneter Dateien
.format_if_mount_failed = false // Partition formatieren, wenn das Mounten fehlschlägt
.base_path = "/spiffs",
.partition_label = NULL,
.max_files = 5,
.format_if_mount_failed = false,
};
esp_err_t ret = esp_vfs_spiffs_register(&conf);
@@ -33,7 +33,7 @@ void initialize_storage()
{
ESP_LOGE(TAG, "Failed to initialize SPIFFS (%s)", esp_err_to_name(ret));
}
return; // Oder entsprechende Fehlerbehandlung
return;
}
}
@@ -47,24 +47,30 @@ void load_file(const char *filename)
return;
}
char line[128]; // Puffer für eine Zeile, vergrößert für mehr Sicherheit
char line[128];
uint8_t line_number = 0;
while (fgets(line, sizeof(line), f))
{
// Entferne möglichen Zeilenumbruch am Ende
char *pos = strchr(line, '\n');
if (pos)
{
*pos = '\0';
}
char time[5] = {0}; // 4 Zeichen + Nullterminator
int red, green, blue;
char time[10] = {0};
int red, green, blue, white, brightness, saturation;
// Parse die Zeile im Format "HHMM,R,G,B"
int items_scanned = sscanf(line, "%4[^,],%d,%d,%d", time, &red, &green, &blue);
if (items_scanned == 4)
int items_scanned = sscanf(line, "%d,%d,%d,%d,%d,%d", &red, &green, &blue, &white, &brightness, &saturation);
if (items_scanned == 6)
{
add_light_item(time, (uint8_t)red, (uint8_t)green, (uint8_t)blue);
int total_minutes = line_number * 30;
int hours = total_minutes / 60;
int minutes = total_minutes % 60;
snprintf(time, sizeof(time), "%02d%02d", hours, minutes);
add_light_item(time, red, green, blue, white, brightness, saturation);
line_number++;
}
else
{
@@ -74,4 +80,4 @@ void load_file(const char *filename)
fclose(f);
ESP_LOGI(TAG, "Finished loading file.");
}
}