ua1zbe
a1206d6fd4
Features: - VFO mode with direct frequency input - POCSAG decoder (512/1200 baud) with BCH(31,21) correction - Full-screen Spectrum analyzer - FM Radio receiver - RSSI signal indicator overlay - Custom boot splash (UA1ZBE / POCSAG pager / build date) Architecture: - app/mode.c — mode dispatcher (VFO/POCSAG/Spectrum/FM) - app/boot_splash.c — 2-second boot splash - app/pocsag/ — POCSAG decoder + BCH correction - app/display_rssi.c — RSSI indicator - main.c — entry point with custom init - syscalls.c — bare-metal _sbrk stub Build: arm-none-eabi-gcc -Os -flto -Wall -Werror -Wextra Size: 57.9KB Flash / 3.6KB RAM Controls: - 0-9: Direct frequency input (VFO) - SK2: POCSAG mode - SK1: Spectrum analyzer - 0: FM Radio - EXIT: Return to VFO - F/*: Toggle 512/1200 baud (in POCSAG)
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* UA1ZBE Custom Firmware - Boot Splash Screen
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* Displays:
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* Line 1 (top, large): UA1ZBE
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* Line 2 (center): POCSAG pager
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* Line 3 (bottom): YYYY-MM-DD (build date)
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* Then fades to VFO mode after 2 seconds.
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*/
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#include <string.h>
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#include "driver/st7565.h"
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#include "driver/system.h"
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#include "ui/helper.h"
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#include "font.h"
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#ifndef BUILD_DATE
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#define BUILD_DATE "unknown"
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#endif
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void BOOT_SplashShow(void)
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{
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/* Clear screen */
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ST7565_FillScreen(0x00);
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memset(gStatusLine, 0, sizeof(gStatusLine));
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for (int line = 0; line < FRAME_LINES; line++)
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memset(gFrameBuffer[line], 0, LCD_WIDTH);
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/* Line 1: UA1ZBE — large font, centered, top */
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UI_PrintString("UA1ZBE", 0, LCD_WIDTH, 0, 12);
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/* Line 2: "POCSAG pager" — small font, centered */
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/* Small font is 6 pixels tall, at y-offset line 3 (~24px) */
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const char *line2 = "POCSAG pager";
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int len2 = 0;
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while (line2[len2]) len2++;
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int x2 = (LCD_WIDTH - len2 * 6) / 2;
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if (x2 < 0) x2 = 0;
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UI_PrintStringSmallNormal(line2, x2, LCD_WIDTH, 24);
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/* Line 3: BUILD_DATE — small font, centered, bottom */
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const char *date_str = BUILD_DATE;
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int len3 = 0;
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while (date_str[len3]) len3++;
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int x3 = (LCD_WIDTH - len3 * 6) / 2;
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if (x3 < 0) x3 = 0;
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UI_PrintStringSmallNormal(date_str, x3, LCD_WIDTH, 48);
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/* Blit to screen */
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ST7565_BlitStatusLine();
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ST7565_BlitFullScreen();
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/* Hold for 2 seconds */
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SYSTEM_DelayMs(2000);
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}
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