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donglora/vendor/esp-hal/ld/esp32/rom/esp32.rom.syscalls.ld
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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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/* These ROM functions call respective entries in the syscall table.
They are called by other ROM functions (mostly from newlib).
We don't link to them directly, since in IDF there are actual
implementations of these functions, with same names.
I.e.:
times (in ROM) -> _times_r (in ROM) -> syscall table entry _times_r -> _times_r (in IDF)
Hence the following entries are provided only for reference
and commented out.
*/
/* <--- the following lines are commented out
PROVIDE ( calloc = 0x4000bee4 );
PROVIDE ( free = 0x4000beb8 );
PROVIDE ( _free_r = 0x4000bbcc );
PROVIDE ( _getpid_r = 0x4000bcfc );
PROVIDE ( __getreent = 0x4000be8c );
PROVIDE ( _gettimeofday_r = 0x4000bc58 );
PROVIDE ( _kill_r = 0x4000bd10 );
PROVIDE ( _lock_acquire = 0x4000be14 );
PROVIDE ( _lock_acquire_recursive = 0x4000be28 );
PROVIDE ( _lock_close = 0x4000bdec );
PROVIDE ( _lock_close_recursive = 0x4000be00 );
PROVIDE ( _lock_init = 0x4000bdc4 );
PROVIDE ( _lock_init_recursive = 0x4000bdd8 );
PROVIDE ( _lock_release = 0x4000be64 );
PROVIDE ( _lock_release_recursive = 0x4000be78 );
PROVIDE ( _lock_try_acquire = 0x4000be3c );
PROVIDE ( _lock_try_acquire_recursive = 0x4000be50 );
PROVIDE ( malloc = 0x4000bea0 );
PROVIDE ( _malloc_r = 0x4000bbb4 );
PROVIDE ( _raise_r = 0x4000bc70 );
PROVIDE ( realloc = 0x4000becc );
PROVIDE ( _realloc_r = 0x4000bbe0 );
PROVIDE ( _sbrk_r = 0x4000bce4 );
PROVIDE ( _system_r = 0x4000bc10 );
PROVIDE ( _times_r = 0x4000bc40 );
PROVIDE ( _close_r = 0x4000bd3c );
PROVIDE ( _exit_r = 0x4000bd28 );
PROVIDE ( _fstat_r = 0x4000bccc );
PROVIDE ( _link_r = 0x4000bc9c );
PROVIDE ( _lseek_r = 0x4000bd8c );
PROVIDE ( _open_r = 0x4000bd54 );
PROVIDE ( _read_r = 0x4000bda8 );
PROVIDE ( _rename_r = 0x4000bc28 );
PROVIDE ( _unlink_r = 0x4000bc84 );
PROVIDE ( _write_r = 0x4000bd70 );
---> end commented out block
*/
/* These are the non-reentrant versions of syscalls present in the ROM.
They call the reentrant versions, passing the pointer returned by __getreent
as the first argument.
*/
close = 0x40001778;
open = 0x4000178c;
read = 0x400017dc;
sbrk = 0x400017f4;
times = 0x40001808;
write = 0x4000181c;