Method write_single_block_headless

src/modules/rfid/srix_tool.cpp:1198–1263

}

int SRIXTool::write_single_block_headless(uint8_t block_num, const uint8_t *block_data) {
    if (!nfc) {
        SRIX_LOG("[WriteBlock_Headless] ❌ NFC object is NULL");
        return -6;
    }
    if (block_num > 127) {
        SRIX_LOG("[WriteBlock_Headless] ❌ Invalid block num: %d", block_num);
        return -4;
    }
    if (!block_data) {
        SRIX_LOG("[WriteBlock_Headless] ❌ Invalid data pointer");
        return -3;
    }

    SRIX_LOG(
        "[WriteBlock_Headless] Start writing block %u. Data: %02X %02X %02X %02X",
        block_num,
        block_data[0],
        block_data[1],
        block_data[2],
        block_data[3]
    );

    // 1. Wait Tag
    // Timeout 2500ms
    if (!waitForTagHeadless(2500)) {
        SRIX_LOG("[WriteBlock_Headless] ❌ Timeout: Tag not found");
        return -1;
    }

    // 2. Tag found and selected
    SRIX_LOG("[WriteBlock_Headless] Tag ready. Sending write command...");

    if (nfc->SRIX_write_block(block_num, (uint8_t *)block_data)) {

        // 3. Wait HW write (Critical Wait)
        delay(SRIX_EEPROM_WRITE_DELAY_MS);
        SRIX_LOG("[WriteBlock_Headless] ✅ WRITE SENT OK");

        // ==============================
        // 4. VERIFY (NEED BIGGER UPGRADE)
        // ==============================
        uint8_t readBuffer[4];

        // Re-select: NEED TO IMPLEMNTAT VERIFY WRITTEN BLOCK - NOT POSSIBLE NOW
        if (!nfc->SRIX_initiate_select()) { SRIX_LOG("[WriteBlock_Headless] ⚠️ Re-select failed (ignored)"); }
        delay(10);

        if (nfc->SRIX_read_block(block_num, readBuffer)) {
            delay(5);
            if (memcmp(block_data, readBuffer, 4) == 0) {
                SRIX_LOG("[WriteBlock_Headless] ✅ VERIFY OK");
                return 0; // WRITE + VERIFY OK
            } else {
                SRIX_LOG("[WriteBlock_Headless] ⚠️ VERIFY MISMATCH (write assumed OK)");
                return 1; // WRITE OK, VERIFY FAIL
            }
        }