flashmagic.js/lib/UserCode.js

NXP LPC Microprocessor Programmer

"use strict";
function validateVectorTable(buffer, reserved) {
    if (reserved === void 0) { reserved = 0x14; }
    buffer[reserved + 0] = 0;
    buffer[reserved + 1] = 0;
    buffer[reserved + 2] = 0;
    buffer[reserved + 3] = 0;
    var crc = 0;
    for (var i = 0; i < (4 * 8);) {
        crc += buffer[i++];
        crc += buffer[i++] << 8;
        crc += buffer[i++] << 16;
        crc += buffer[i++] << 24;
    }
    crc = (0 - crc) >>> 0;
    buffer[reserved + 0] = (crc >>> 0) & 0xFF;
    buffer[reserved + 1] = (crc >>> 8) & 0xFF;
    buffer[reserved + 2] = (crc >>> 16) & 0xFF;
    buffer[reserved + 3] = (crc >>> 24) & 0xFF;
}
exports.validateVectorTable = validateVectorTable;