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donglora/vendor/esp-hal/ld/sections/fixups/rodata_dummy.x
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swaitsandClaude Opus 4.6 3102fc747a feat: add display UI with splash screen, dashboard, and RSSI sparkline
Implement full SSD1306 OLED display support:
- Splash screen on boot (1.5s) with project name, version, board
- Dashboard showing radio state, config, counters, RSSI/SNR
- RSSI history sparkline (64-sample ring buffer, 2px-wide bars)
- DisplayOn/DisplayOff host commands routed via dedicated channel
- Pure render functions against generic DrawTarget (no hardware coupling)
- Display on/off control bypasses radio task entirely

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 20:42:54 -06:00

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SECTIONS {
.rodata_dummy (NOLOAD) :
{
/* This dummy section represents the .flash.text section but in RODATA.
* Thus, it must have its alignment and (at least) its size.
*/
/* Start at the same alignment constraint than .flash.text */
. = ALIGN(ALIGNOF(.text));
/* Create an empty gap as big as .text section */
. = . + SIZEOF(.text);
/* Prepare the alignment of the section above. Few bytes (0x20) must be
* added for the mapping header.
*/
. = ALIGN(0x10000) + 0x20;
_rodata_reserved_start = .;
} > RODATA
}
INSERT BEFORE .rodata;