Display UI: ST7735 Treiber + Frame-Scroller + Speicheranzeige
- 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
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Clawdia
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/**
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* ASCII-Font (6x8 Pixel) + Text-Ausgabe
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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_lcd_panel_ops.h"
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extern esp_lcd_panel_handle_t s_panel;
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extern bool s_initialized;
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static const uint8_t font6x8[][6] = {
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{0x00,0x00,0x00,0x00,0x00,0x00}, // space
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{0x00,0x00,0x5F,0x00,0x00,0x00}, // !
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{0x00,0x07,0x00,0x07,0x00,0x00}, // "
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{0x14,0x7F,0x14,0x7F,0x14,0x00}, // #
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{0x24,0x2A,0x7F,0x2A,0x12,0x00}, // $
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{0x23,0x13,0x08,0x64,0x62,0x00}, // %
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{0x36,0x49,0x55,0x22,0x50,0x00}, // &
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{0x00,0x05,0x03,0x00,0x00,0x00}, // '
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{0x00,0x1C,0x22,0x41,0x00,0x00}, // (
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{0x00,0x41,0x22,0x1C,0x00,0x00}, // )
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{0x14,0x08,0x3E,0x08,0x14,0x00}, // *
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{0x08,0x08,0x3E,0x08,0x08,0x00}, // +
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{0x00,0x50,0x30,0x00,0x00,0x00}, // ,
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{0x08,0x08,0x08,0x08,0x08,0x00}, // -
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{0x00,0x60,0x60,0x00,0x00,0x00}, // .
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{0x20,0x10,0x08,0x04,0x02,0x00}, // /
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{0x3E,0x51,0x49,0x45,0x3E,0x00}, // 0
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{0x00,0x42,0x7F,0x40,0x00,0x00}, // 1
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{0x42,0x61,0x51,0x49,0x46,0x00}, // 2
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{0x21,0x41,0x45,0x4B,0x31,0x00}, // 3
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{0x18,0x14,0x12,0x7F,0x10,0x00}, // 4
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{0x27,0x45,0x45,0x45,0x39,0x00}, // 5
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{0x3C,0x4A,0x49,0x49,0x30,0x00}, // 6
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{0x01,0x71,0x09,0x05,0x03,0x00}, // 7
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{0x36,0x49,0x49,0x49,0x36,0x00}, // 8
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{0x06,0x49,0x49,0x29,0x1E,0x00}, // 9
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{0x00,0x36,0x36,0x00,0x00,0x00}, // :
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{0x00,0x56,0x36,0x00,0x00,0x00}, // ;
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{0x08,0x14,0x22,0x41,0x00,0x00}, // <
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{0x14,0x14,0x14,0x14,0x14,0x00}, // =
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{0x00,0x41,0x22,0x14,0x08,0x00}, // >
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{0x02,0x01,0x51,0x09,0x06,0x00}, // ?
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{0x3E,0x41,0x5D,0x55,0x1E,0x00}, // A
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{0x7F,0x09,0x09,0x09,0x7E,0x00}, // B
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{0x7F,0x49,0x49,0x49,0x36,0x00}, // C
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{0x3E,0x41,0x41,0x21,0x1E,0x00}, // D
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{0x7F,0x49,0x49,0x49,0x41,0x00}, // E
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{0x7F,0x49,0x49,0x45,0x43,0x00}, // F
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{0x7F,0x49,0x49,0x49,0x38,0x00}, // G
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{0x7F,0x08,0x08,0x08,0x7F,0x00}, // H
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{0x00,0x41,0x7F,0x41,0x00,0x00}, // I
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{0x20,0x40,0x41,0x3F,0x01,0x00}, // J
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{0x7F,0x08,0x14,0x22,0x41,0x00}, // K
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{0x7F,0x40,0x40,0x40,0x40,0x00}, // L
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{0x7F,0x02,0x0C,0x02,0x7F,0x00}, // M
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{0x7F,0x04,0x08,0x10,0x7F,0x00}, // N
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{0x3E,0x41,0x41,0x41,0x3E,0x00}, // O
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{0x7F,0x09,0x09,0x09,0x06,0x00}, // P
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{0x3E,0x41,0x51,0x21,0x5E,0x00}, // Q
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{0x7F,0x09,0x19,0x29,0x46,0x00}, // R
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{0x46,0x49,0x49,0x49,0x31,0x00}, // S
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{0x01,0x01,0x7F,0x01,0x01,0x00}, // T
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{0x3F,0x40,0x40,0x40,0x3F,0x00}, // U
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{0x1F,0x20,0x40,0x20,0x1F,0x00}, // V
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{0x3F,0x40,0x38,0x40,0x3F,0x00}, // W
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{0x63,0x14,0x08,0x14,0x63,0x00}, // X
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{0x07,0x08,0x70,0x08,0x07,0x00}, // Y
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{0x61,0x51,0x49,0x45,0x43,0x00}, // Z
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{0x00,0x7F,0x41,0x41,0x00,0x00}, // [
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{0x55,0x2A,0x55,0x2A,0x55,0x00}, // \
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{0x00,0x41,0x41,0x7F,0x00,0x00}, // ]
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{0x04,0x02,0x01,0x02,0x04,0x00}, // ^
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{0x40,0x40,0x40,0x40,0x40,0x00}, // _
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{0x00,0x01,0x02,0x04,0x00,0x00}, // `
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{0x00,0x20,0x3E,0x21,0x3E,0x00}, // a
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{0x7F,0x28,0x44,0x44,0x38,0x00}, // b
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{0x38,0x44,0x44,0x44,0x20,0x00}, // c
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{0x38,0x44,0x44,0x28,0x7F,0x00}, // d
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{0x38,0x54,0x54,0x54,0x18,0x00}, // e
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{0x08,0x7E,0x09,0x01,0x02,0x00}, // f
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{0x0C,0x52,0x52,0x52,0x3E,0x00}, // g
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{0x7F,0x08,0x04,0x04,0x78,0x00}, // h
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{0x00,0x44,0x7D,0x40,0x00,0x00}, // i
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{0x20,0x40,0x44,0x3D,0x00,0x00}, // j
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{0x7F,0x10,0x28,0x44,0x00,0x00}, // k
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{0x00,0x41,0x7F,0x40,0x00,0x00}, // l
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{0x7C,0x04,0x18,0x04,0x78,0x00}, // m
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{0x7C,0x08,0x04,0x04,0x78,0x00}, // n
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{0x38,0x44,0x44,0x44,0x38,0x00}, // o
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{0x7C,0x14,0x14,0x14,0x08,0x00}, // p
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{0x08,0x14,0x14,0x18,0x7C,0x00}, // q
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{0x7F,0x08,0x04,0x04,0x08,0x00}, // r
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{0x48,0x54,0x54,0x54,0x20,0x00}, // s
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{0x04,0x3F,0x44,0x40,0x20,0x00}, // t
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{0x3C,0x40,0x40,0x20,0x7C,0x00}, // u
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{0x1C,0x20,0x40,0x20,0x1C,0x00}, // v
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{0x3C,0x40,0x30,0x40,0x3C,0x00}, // w
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{0x44,0x28,0x10,0x28,0x44,0x00}, // x
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{0x0C,0x50,0x50,0x50,0x3C,0x00}, // y
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{0x44,0x64,0x54,0x4C,0x44,0x00}, // z
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{0x00,0x08,0x36,0x41,0x00,0x00}, // {
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{0x00,0x00,0x7F,0x00,0x00,0x00}, // |
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{0x00,0x41,0x36,0x08,0x00,0x00}, // }
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{0x10,0x08,0x08,0x10,0x08,0x00}, // ~
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};
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esp_err_t v2x_display_text(int16_t x, int16_t y, const char *text,
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uint16_t color, disp_font_t font)
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{
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if (!s_initialized) return ESP_ERR_INVALID_STATE;
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uint8_t char_bytes[6];
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int16_t tx = x;
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for (int ci = 0; text[ci] && tx < DISP_W; ci++) {
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int idx = text[ci] - FONT_START;
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if (idx < 0 || idx >= 95) continue;
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memcpy(char_bytes, font6x8[idx], 6);
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for (int c = 0; c < 6; c++) {
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uint16_t row = char_bytes[c];
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for (int r = 0; r < 8; r++) {
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if (row & 0x01) {
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uint16_t pixel = color;
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int px = tx + c;
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int py = y + r;
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if (px >= 0 && px < DISP_W && py >= 0 && py < DISP_H) {
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esp_lcd_panel_draw_bitmap(s_panel, px, py, px + 1, py + 1, &pixel);
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}
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}
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row >>= 1;
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}
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}
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tx += 7;
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}
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return ESP_OK;
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}
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esp_err_t v2x_display_frame_count(uint32_t count)
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{
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if (!s_initialized) return ESP_ERR_INVALID_STATE;
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char buf[32];
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snprintf(buf, sizeof(buf), "%lu", (unsigned long)count);
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int len = strlen(buf);
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int x = (DISP_W - len * 7) / 2;
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uint8_t char_bytes[6];
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for (int ci = 0; ci < len; ci++) {
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int idx = buf[ci] - FONT_START;
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if (idx < 0 || idx >= 95) continue;
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memcpy(char_bytes, font6x8[idx], 6);
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for (int c = 0; c < 6; c++) {
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uint16_t row = char_bytes[c];
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for (int r = 0; r < 8; r++) {
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if (row & 0x01) {
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uint16_t pixel = DISP_COLOR_RED;
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int px = x + ci * 18 + c * 3;
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for (int dy = 0; dy < 3; dy++) {
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for (int dx = 0; dx < 3; dx++) {
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int py = y + r * 3 + dy;
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if (px + dx >= 0 && px + dx < DISP_W && py < DISP_H) {
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esp_lcd_panel_draw_bitmap(s_panel, px + dx, py, px + dx + 1, py + 1, &pixel);
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}
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}
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}
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}
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row >>= 1;
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}
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}
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}
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return ESP_OK;
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}
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esp_err_t v2x_display_storage_bar(int16_t x, int16_t y, int16_t w, int16_t h, float pct)
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{
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pct = (pct < 0.0f) ? 0.0f : (pct > 1.0f) ? 1.0f : pct;
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v2x_display_rect(x, y, w, h, DISP_COLOR_GRAY, true);
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uint16_t fg = DISP_COLOR_GREEN;
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if (pct < 0.3f) fg = DISP_COLOR_RED;
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else if (pct < 0.6f) fg = DISP_COLOR_YELLOW;
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int16_t fw = (int16_t)(w * pct);
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v2x_display_rect(x, y, fw, h, fg, true);
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return ESP_OK;
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}
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