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>
This commit is contained in:
swaitsandClaude Opus 4.6 committed 2026-03-29 20:42:54 -06:00
1 parent 7064110293
commit 3102fc747a
17624 files changed
+4564928 -38

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/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* SPI flash driver function, compatibility names.
*/
PROVIDE ( g_rom_spiflash_dummy_len_plus = dummy_len_plus);
PROVIDE ( g_ticks_per_us_pro = g_ticks_per_us );
PROVIDE ( g_rom_flashchip = SPI_flashchip_data );
PROVIDE ( g_rom_spiflash_chip = SPI_flashchip_data );
PROVIDE ( esp_rom_spiflash_config_param = SPIParamCfg );
PROVIDE ( esp_rom_spiflash_read = SPIRead );
PROVIDE ( esp_rom_spiflash_read_status = SPI_read_status );
PROVIDE ( esp_rom_spiflash_read_statushigh = SPI_read_status_high );
PROVIDE ( esp_rom_spiflash_read_user_cmd = SPI_user_command_read );
PROVIDE ( esp_rom_spiflash_write = SPIWrite );
PROVIDE ( esp_rom_spiflash_write_encrypted_disable = SPI_Write_Encrypt_Disable );
PROVIDE ( esp_rom_spiflash_write_encrypted_enable = SPI_Write_Encrypt_Enable );
PROVIDE ( esp_rom_spiflash_config_clk = SPIClkConfig );
PROVIDE ( esp_rom_spiflash_select_qio_pins = SelectSpiQIO );
PROVIDE ( esp_rom_spiflash_unlock = SPIUnlock );
PROVIDE ( esp_rom_spiflash_erase_sector = SPIEraseSector );
PROVIDE ( esp_rom_spiflash_erase_block = SPIEraseBlock );
PROVIDE ( esp_rom_spiflash_wait_idle = SPI_Wait_Idle );
PROVIDE ( esp_rom_spiflash_config_readmode = SPIReadModeCnfig );
PROVIDE ( esp_rom_spiflash_erase_block = SPIEraseBlock );
PROVIDE ( esp_rom_spiflash_write_encrypted = SPI_Encrypt_Write );
PROVIDE ( esp_rom_spiflash_erase_area = SPIEraseArea );