7e93324288
- SPI_Bus_Lock: serialize LCD + SD on shared SPI; pause display during SD - SD_Init after WiFi scan; SD_IsReady gating; serial [SD]/[CAP] diagnostics - MUST_DO_IMPROVEMENTS.md full firmware review backlog; README link - Bump HANDSHAKE_FIRMWARE_VERSION to 1.0.2 (header) Made-with: Cursor
19 lines
516 B
C
19 lines
516 B
C
#pragma once
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#include <Arduino.h>
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#include <SD.h>
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#include <SPI.h>
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#define SD_CS 4
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extern uint16_t SDCard_Size;
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bool SD_Init();
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/**
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* True only after the last SD_Init() completed successfully (SD.begin + valid cardType).
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* Use this to gate capture — do NOT rely on SD.cardType() alone after WiFi on ESP32-C6:
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* with LCD+SD sharing SPI, cardType() can spuriously read CARD_NONE and falsely show "insert SD".
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*/
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bool SD_IsReady();
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bool SD_WriteFileAtomic(const char* path, const uint8_t* data, size_t len);
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