Clawdia
240a374148
- ST7735 SPI-Treiber für 0.96 Zoll Display (80x160 Pixel) - ASCII-Font 6x8 mit Text-Ausgabe - Frame-Counter (gross, rot) - SD-Speicher-Balken (grün/gelb/rot) - Frame-Scroller: rollende Liste der letzten 7 Frames - RSSI-Farbbalken (rot/gelb/grün) - Message-Type (B=BSM, C=CAM, D=DENM) - BSSID Hex + Kanal/RSSI - Display UI Task aktualisiert alle 2 Sekunden - Frame Writer sendet Frames an Scroller Queue - Channel Hopper aktualisiert g_v2x_channel_idx
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/**
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* Display UI Task — aktualisiert SD-Speicher und Frame-Counter
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*
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* Wird als FreeRTOS-Task gestartet und alle 2 Sekunden:
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* - SD-Speicher % berechnen + Balken zeichnen
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* - Frame-Counter groß anzeigen
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* - Scroller aktualisieren
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*/
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#include "esp_log.h"
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#include "v2x_display.h"
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#include "esp_vfs_fat.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "stdio.h"
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static const char *TAG = "v2x-ui";
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/* SD-Speicher % berechnen */
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static float get_sd_storage_percent(void)
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{
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FATFS *fs;
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DWORD free_clusters;
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esp_err_t ret = f_getfree(SD_CARD_MOUNT_POINT, &free_clusters, &fs);
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if (ret != FR_OK) return 0.0f;
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/* Gesamt-Cluster zählen */
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uint32_t total = fs->n_fatent - 12; /* FAT32: Cluster ab 12 */
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if (total == 0) return 0.0f;
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return (float)(total - free_clusters) / total;
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}
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/* Frame-Counter als extern (wird vom Writer Task gesetzt) */
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extern uint32_t g_v2x_frame_count;
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/* Display UI Task */
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void v2x_display_ui_task(void *pvParameters)
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{
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uint32_t last_count = 0;
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ESP_LOGI(TAG, "Display UI Task gestartet");
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while (1) {
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/* --- Display löschen (schwarzer Hintergrund) --- */
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v2x_display_clear(DISP_COLOR_BLACK);
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/* --- SD-Speicher-Balken (Y=0, Höhe=8px) --- */
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float sd_pct = get_sd_storage_percent();
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v2x_display_storage_bar(0, 0, DISP_W, 8, sd_pct);
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/* Text: "SD: ##%" */
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char sd_label[16];
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snprintf(sd_label, sizeof(sd_label), "SD: %3.0f%%", sd_pct * 100);
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v2x_display_text(2, 9, sd_label, DISP_COLOR_WHITE, FONT_6x8);
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/* --- Frame-Counter (groß, rot, Y=20) --- */
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uint32_t current_count = g_v2x_frame_count;
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if (current_count != last_count) {
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v2x_display_frame_count(current_count, 28, DISP_W, 40);
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last_count = current_count;
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}
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/* --- RSSI-Anzeige (Y=72) --- */
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v2x_display_text(2, 72, "RSSI:", DISP_COLOR_YELLOW, FONT_6x8);
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char rssi_label[20];
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snprintf(rssi_label, sizeof(rssi_label), "Max: %3d dBm", g_v2x_max_rssi);
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v2x_display_text(40, 72, rssi_label, DISP_COLOR_WHITE, FONT_6x8);
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/* --- Scroller (Y=84) --- */
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scroller_redraw();
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/* --- Statistik-Balken (Y=132) --- */
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v2x_display_text(2, 132, "CH:", DISP_COLOR_GREEN, FONT_6x8);
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/* Kanal + Frequenz */
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extern uint32_t g_v2x_current_freq;
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extern int g_v2x_channel_idx;
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char ch_info[20];
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snprintf(ch_info, sizeof(ch_info), "CH:%d %.0fMHz",
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g_v2x_channel_idx, g_v2x_current_freq / 1000.0f);
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v2x_display_text(20, 132, ch_info, DISP_COLOR_CYAN, FONT_6x8);
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/* BSSID-Farbcodes */
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v2x_display_text(2, 148, "B=BSM C=CAM D=DENM", DISP_COLOR_GRAY, FONT_6x8);
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vTaskDelay(pdMS_TO_TICKS(2000));
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}
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}
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