Function processBlockRequest

ESP32_AP-Flasher/src/newproto.cpp:380–422

}

void processBlockRequest(struct espBlockRequest* br) {
    uint32_t t = millis();
    if (config.runStatus == RUNSTATUS_STOP) {
        return;
    }
    if (!checkCRC(br, sizeof(struct espBlockRequest))) {
        Serial.print("Failed CRC on a blockrequest received by the AP");
        return;
    }

    PendingItem* queueItem = getQueueItem(br->src, br->ver);
    if (queueItem == nullptr) {
        prepareCancelPending(br->src);
        Serial.printf("blockrequest: couldn't find taginfo %02X%02X%02X%02X%02X%02X%02X%02X\r\n", br->src[7], br->src[6], br->src[5], br->src[4], br->src[3], br->src[2], br->src[1], br->src[0]);
        return;
    }
    if (queueItem->data == nullptr) {
        fs::File file = contentFS->open(queueItem->filename);
        if (!file) {
            Serial.print("No current file. " + String(queueItem->filename) + " Canceling request\r\n");
            prepareCancelPending(br->src);
            return;
        }
        queueItem->data = getDataForFile(file);
        Serial.println("Reading file " + String(queueItem->filename) + " in  " + String(millis() - t) + "ms");
        file.close();
    }

    // check if we're not exceeding max blocks (to prevent sendBlock from exceeding its boundary)
    uint8_t totalblocks = (queueItem->len / BLOCK_DATA_SIZE);
    if (queueItem->len % BLOCK_DATA_SIZE) totalblocks++;
    if (br->blockId >= totalblocks) {
        br->blockId = totalblocks - 1;
    }
    uint32_t len = queueItem->len - (BLOCK_DATA_SIZE * br->blockId);
    if (len > BLOCK_DATA_SIZE) len = BLOCK_DATA_SIZE;
    uint16_t checksum = sendBlock(queueItem->data + (br->blockId * BLOCK_DATA_SIZE), len);
    char buffer[150];
    sprintf(buffer, "%02X%02X%02X%02X%02X%02X%02X%02X block request %s block %d, len %d checksum %u\0", br->src[7], br->src[6], br->src[5], br->src[4], br->src[3], br->src[2], br->src[1], br->src[0], queueItem->filename, br->blockId, len, checksum);
    wsLog((String)buffer);
    wsSendUploadProgress(br->src, br->blockId + 1, totalblocks);  // live block x/total for the tag card
    Serial.printf("<RQB file %s block %d, len %d checksum %u\r\n\0", queueItem->filename, br->blockId, len, checksum);
}

void processXferComplete(struct espXferComplete* xfc, bool local) {
    if (config.runStatus == RUNSTATUS_STOP) {