414 lines
17 KiB
JavaScript
414 lines
17 KiB
JavaScript
"use strict";
|
|
|
|
var p7 = {
|
|
device: {},
|
|
make: {},
|
|
send: {},
|
|
receive: {},
|
|
decode: {},
|
|
commands: {},
|
|
|
|
receiveBuffer : new Uint8Array(1032 + 1)
|
|
};
|
|
|
|
|
|
|
|
(function() {
|
|
/* ---------------------Global variables--------------------- */
|
|
var checksumTries = 0;
|
|
|
|
/* ---------------------Utilitaries--------------------- */
|
|
|
|
/* Sum individual bytes
|
|
* NOT + 1, as defined in fxReverse documentation.
|
|
* Be sure it's under 256! */
|
|
Array.prototype.p7Checksum = Uint8Array.prototype.p7Checksum = function () {
|
|
return (((~(this.reduce((accumulator, currentValue) => accumulator + currentValue))) + 1) & 0xFF)
|
|
}
|
|
|
|
/* Convert a string into an array of ascii numbers */
|
|
String.prototype.toAscii = function () {
|
|
return this.split('').map((char) => char.charCodeAt(0))
|
|
}
|
|
|
|
/* Convert an hex number into an array of ascii values
|
|
* Use the uppercase representation of the number */
|
|
Number.prototype.hexToAscii = function (padding) {
|
|
return this.toString(16).toUpperCase().padStart(padding, 0).toAscii();
|
|
}
|
|
|
|
/* Convert an ascii array into a string */
|
|
Array.prototype.asciiToString = Uint8Array.prototype.asciiToString = function () {
|
|
let string = [];
|
|
this.forEach((element) => string.push(String.fromCharCode(element)));
|
|
return string.join('');
|
|
}
|
|
|
|
/* Convert an ascii array representing an hex number into a number */
|
|
Array.prototype.asciiToHex = Uint8Array.prototype.asciiToHex = function () {
|
|
return Number('0x' + this.asciiToString());
|
|
}
|
|
|
|
/* ---------------------Packet making--------------------- */
|
|
|
|
//Add the checksum to a packet
|
|
p7.make.checksum = (packet) => packet.concat(packet.slice(1, packet.length).p7Checksum().hexToAscii(2));
|
|
|
|
/* Create a basic (Non-Extended) packet */
|
|
/* Return the packet */
|
|
p7.make.basicPacket = (type, subtype) => p7.make.checksum([type] //Type (T)
|
|
.concat(subtype.hexToAscii(2)) //Subtype (ST)
|
|
.concat([0x30])); //Extended (EX)
|
|
|
|
/* Create an extended command packet */
|
|
/* Return the packet */
|
|
p7.make.extendedCommandPacket = (subtype, datatype, fileSize, commandArguments) => {
|
|
let data = [0x30, 0x30] //Overwrite (OW)
|
|
.concat([0x30, 0x30]) //Data type (DT) ??
|
|
.concat(fileSize.hexToAscii(8)) //File size (FS)
|
|
.concat(commandArguments.flatMap((element) => element.length.hexToAscii(2))) //Size of Data {1..6} (SD{1..6})
|
|
.concat(commandArguments.join('').toAscii()); //Data {1..6} (D{1..6})
|
|
|
|
return p7.make.checksum([0x01] //Type (T)
|
|
.concat(subtype.hexToAscii(2)) //Subtype (ST)
|
|
.concat([0x31]) //Extended (EX)
|
|
.concat(data.length.hexToAscii(4)) //Data size (DS)
|
|
.concat(data)); //Data (D)
|
|
}
|
|
|
|
/* Create a data packet */
|
|
/* Return the packet */
|
|
p7.make.dataPacket = (subtype, totalNumber, currentNumber, data) =>
|
|
p7.make.checksum([0x02] //Type field
|
|
.concat(subtype.hexToAscii(2)) //Subtype (ST) field
|
|
.concat([0x31]) //Extended (EX) field
|
|
.concat((data.length + 8 /* Total number (TN) and Current number (CN) subfields */ ).hexToAscii(4)) //Data size (DS) field
|
|
.concat(totalNumber.hexToAscii(4)) //Total number (TN) subfield
|
|
.concat(currentNumber.hexToAscii(4)) //Current number (CN) subfield
|
|
.concat(data)); //Data (DD) subfield
|
|
|
|
|
|
/* ---------------------Packet decoding--------------------- */
|
|
|
|
/* Return all the informations of the device, and trim string's overage (255) */
|
|
p7.decode.extendedAckPacket = () => {
|
|
return {
|
|
hardwareIdentifier : p7.receiveBuffer.slice(8, 16).asciiToString(),
|
|
processorIdentifier : p7.receiveBuffer.slice(16, 32).asciiToString(),
|
|
preprogrammedROMCapacity : p7.receiveBuffer.slice(32, 40).asciiToString(),
|
|
flashROMCapacity : p7.receiveBuffer.slice(40, 48).asciiToString(),
|
|
ramCapacity : p7.receiveBuffer.slice(48, 56).asciiToString(),
|
|
prepogrammedROMVersion : p7.receiveBuffer.slice(56, 72).filter(number => number !== 255).asciiToString(),
|
|
bootCodeVersion : p7.receiveBuffer.slice(72, 88).filter(number => number !== 255).asciiToString(),
|
|
bootCodeOffset : p7.receiveBuffer.slice(88, 96).filter(number => number !== 255).asciiToString(),
|
|
bootCodeSize : p7.receiveBuffer.slice(96, 104).filter(number => number !== 255).asciiToString(),
|
|
osCodeVersion : p7.receiveBuffer.slice(104, 120).filter(number => number !== 255).asciiToString(),
|
|
osCodeOffset : p7.receiveBuffer.slice(120, 128).asciiToString(),
|
|
osCodeSize : p7.receiveBuffer.slice(128, 136).asciiToString(),
|
|
protocolVersion : p7.receiveBuffer.slice(136, 140).asciiToString(),
|
|
productID : p7.receiveBuffer.slice(140, 156).filter(number => number !== 255).asciiToString(),
|
|
username : p7.receiveBuffer.slice(156, 172).filter(number => number !== 255).asciiToString()
|
|
}
|
|
};
|
|
|
|
/* Return the value (as an number) of the Overwrite (OW) subfield of the Data (D) field of an extended command packet */
|
|
p7.decode.commandPacketOverWrite = () => p7.receiveBuffer.slice(8, 10).asciiToHex();
|
|
|
|
/* Return the value (as an number) of the Data type (DT) subfield of the Data (D) field of an extended command packet */
|
|
p7.decode.commandPacketDataType = () => p7.receiveBuffer.slice(10, 12).asciiToHex();
|
|
|
|
/* Return the value (as an number) of the FileSize (FS) subfield of the Data (D) field of an extended command packet */
|
|
p7.decode.commandPacketFileSize = () => p7.receiveBuffer.slice(12, 20).asciiToHex();
|
|
|
|
|
|
/* Return the value (as a string) of the requested Data (D) subfield of the Data (D) field of an extended command packet */
|
|
p7.decode.commandPacketDataField = function (field) {
|
|
let fieldSize = [];
|
|
|
|
/* Decode the length of Data {1 - ${length}} (D{1 - ${length}}) subfields */
|
|
for (let index = 20, i = 0; i < field ; i++)
|
|
fieldSize.push(p7.receiveBuffer.slice(index, (index += 2)).asciiToHex());
|
|
|
|
/* Get the requested field size */
|
|
let fieldLength = fieldSize.pop();
|
|
|
|
/* Get the index of the requested field */
|
|
let fieldIndex = (fieldSize.length) ? fieldSize.reduce((accumulator, currentValue) => accumulator + currentValue) + 32 : 32;
|
|
|
|
/* Return the ascii array as a string */
|
|
return p7.receiveBuffer.slice(fieldIndex, fieldIndex + fieldLength).asciiToString();
|
|
}
|
|
|
|
p7.decode.commandPacketAllDataFields = function () {
|
|
let dataFieldSize = [];
|
|
let index = 20
|
|
while(index < 32)
|
|
dataFieldSize.push(p7.receiveBuffer.subarray(index, (index += 2)).asciiToHex());
|
|
|
|
return dataFieldSize.map((element) => p7.receiveBuffer.slice(index, (index += element)).asciiToString());
|
|
}
|
|
|
|
/* ---------------------Packet receiving--------------------- */
|
|
|
|
p7.receive.packet = function () {
|
|
console.log("%cReceiving...", "color: orange");
|
|
|
|
var packetInfo = {};
|
|
var transfered = 0; //Already transfered bytes
|
|
|
|
return p7.device.transferIn(2, 64)
|
|
.then(function receive(transferInResult) {
|
|
if (!transferInResult.data.byteLength)
|
|
return p7.device.transferIn(2, 64).then(receive);
|
|
|
|
p7.receiveBuffer.set(new Uint8Array(transferInResult.data.buffer), 0);
|
|
|
|
packetInfo.length = 6; //Type (T), Subtype (S), Extended (EX) and Checksum (CS) fields
|
|
|
|
//Set Type (T) field
|
|
packetInfo.type = p7.receiveBuffer[0];
|
|
|
|
//Set Subtype (ST) field
|
|
packetInfo.subtype = p7.receiveBuffer.slice(1, 2).asciiToHex();
|
|
|
|
//Set Extended (EX) field
|
|
if ((packetInfo.extended = (p7.receiveBuffer[3] === 0x31))) {
|
|
//Set Data size (DS) field
|
|
packetInfo.dataSize = p7.receiveBuffer.slice(4, 8).asciiToHex();
|
|
|
|
packetInfo.length += packetInfo.dataSize + 4; //Data size field
|
|
|
|
if ((transfered += 64) < packetInfo.length)
|
|
return p7.device.transferIn(2, 64)
|
|
.then(function receiveRemainingPackets(transferInResult) {
|
|
p7.receiveBuffer.set(new Uint8Array(transferInResult.data.buffer), transfered);
|
|
|
|
if ((transfered += 64) < packetInfo.length)
|
|
return p7.device.transferIn(2, 64).then(receiveRemainingPackets);
|
|
});
|
|
}
|
|
}).then(() => {
|
|
//Compute checksum
|
|
let checksumError = ((packetInfo.checksum = p7.receiveBuffer.slice(packetInfo.length - 2, packetInfo.length).asciiToHex()) !== p7.receiveBuffer.slice(1, packetInfo.length - 2).p7Checksum());
|
|
|
|
/* TODO: handle checksum errors */
|
|
console.log(checksumError);
|
|
|
|
return packetInfo;
|
|
}).catch((err) => {
|
|
err.message = "Couldn't receive the " + transfered + " to " + (transfered + 64) + " bytes of the packet: " + err.message;
|
|
throw err;
|
|
});
|
|
}
|
|
|
|
|
|
/* ---------------------Packet sending--------------------- */
|
|
|
|
p7.send.packet = async function (buffer) {
|
|
console.log("%cSending packet...", "color: green");
|
|
return p7.device.transferOut(1, Uint8Array.from(buffer))
|
|
.then(() => p7.receive.packet());
|
|
}
|
|
|
|
p7.send.basicPacket = async (type, subtype) => await p7.send.packet(p7.make.basicPacket(type, subtype));
|
|
|
|
p7.send.extendedCommandPacket = async (subtype, datatype, fileSize, commandArguments) => await p7.send.packet(p7.make.extendedCommandPacket(subtype, datatype, fileSize, commandArguments));
|
|
|
|
p7.send.dataPacket = async (subtype, totalNumber, currentNumber, data) => await p7.send.packet(p7.make.dataPacket(subtype, totalNumber, currentNumber, data));
|
|
|
|
/* Send a single command
|
|
* Return the informations about the response ack packet */
|
|
p7.send.singleCommand = async function (subtype, datatype, fileSize, commandArguments) {
|
|
/* Send the command */
|
|
let responsePacketInfo = await p7.send.extendedCommandPacket(subtype, datatype, fileSize, commandArguments);
|
|
|
|
/* Check if the packet is an ack packet */
|
|
if (!(responsePacketInfo.type === p7PacketType.ack && responsePacketInfo.subtype === ackSubtype.default))
|
|
throw new Error("The calculator didn't send the expected ack packet !");
|
|
|
|
return responsePacketInfo;
|
|
}
|
|
|
|
/* Send a single command request
|
|
* Return the Data (D) field of the response command packet(s) */
|
|
p7.send.singleCommandRoleswap = async function (subtype, datatype, fileSize, commandArguments, callbackFunction) {
|
|
/* Array to store the Data (D) field of the response command packet(s) */
|
|
let result = [];
|
|
|
|
/* Send the command */
|
|
let responsePacketInfo = await p7.send.extendedCommandPacket(subtype, datatype, fileSize, commandArguments);
|
|
if (!(responsePacketInfo.type === p7PacketType.ack && responsePacketInfo.subtype === ackSubtype.default))
|
|
throw new Error("The calculator didn't send the expected ack packet !");
|
|
|
|
/* Exchange roles */
|
|
responsePacketInfo = await p7.send.basicPacket(p7PacketType.roleswap, roleswapSubtype.default);
|
|
|
|
/* Receive all the requested command packets and store their Data (D) field */
|
|
while (responsePacketInfo.type === p7PacketType.command) {
|
|
result.push(callbackFunction());
|
|
responsePacketInfo = await p7.send.basicPacket(p7PacketType.ack, ackSubtype.default);
|
|
}
|
|
|
|
/* Everything went right */
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
/* ---------------------Initialization and exiting--------------------- */
|
|
|
|
/* Initiate the connexion with the calculator */
|
|
p7.init = async function () {
|
|
try {
|
|
p7.device = await navigator.usb.requestDevice({filters:[
|
|
{'vendorId': 0x07cf , 'productId': 0x6101}, /* fx-9750gII */
|
|
{'vendorId': 0x07cf , 'productId': 0x6102}] /* fx-CP400 */
|
|
});
|
|
} catch (err) {
|
|
throw new Error("Couldn't find the calculator");
|
|
}
|
|
|
|
await p7.device.open();
|
|
|
|
if (p7.device.configuration === null)
|
|
await p7.device.selectConfiguration(1); /* Only existing one so it should be selected by default, just checking */
|
|
|
|
if (p7.device.configuration.interfaces[0].claimed === false)
|
|
await p7.device.claimInterface(0); /* Same as for the configuration */
|
|
|
|
console.log(p7.device);
|
|
|
|
/* Everything went right */
|
|
return 0;
|
|
|
|
/* Receive and send some usb control message, as defined in fxReverse documentation
|
|
*
|
|
* Adapted version (some parameters changed since fxReverse's writing) of usb_control_msg() function's protoype
|
|
* from linux-manual : https://manpages.debian.org/jessie-backports/linux-manual-4.8/usb_control_msg.9.en.html
|
|
*
|
|
* int usb_control_msg(struct usb_device * dev,
|
|
* uint8_t requesttype,
|
|
* uint8_t request,
|
|
* uint16_t value,
|
|
* uint16_t index,
|
|
* void * data,
|
|
* uint16_t size,
|
|
* int timeout);
|
|
*
|
|
* fxReverse2:13:
|
|
*
|
|
* int init_connection() {
|
|
* char *buffer = calloc(0x29, sizeof(char));
|
|
*
|
|
* //Receive 0x12 bytes of data
|
|
* usb_control_message(usb_handle,
|
|
* 0x80, = 0b10000000
|
|
* - D7 = 1 -> Data transfer direction: Device-to-host
|
|
* - D6...D5 = 0 -> Type: Standard
|
|
* - D4...D0 = 0 -> Recipient: Device
|
|
* 0x6,
|
|
* 0x0100,
|
|
* 0x0,
|
|
* buffer,
|
|
* 0x12,
|
|
* 200);
|
|
*
|
|
* //Same arguments (except timeout), but value is 0x200 and it receives 0x29 bytes of data
|
|
* usb_control_message(usb_handle, 0x80, 0x6, 0x200, 0, buffer, 0x29, 250);
|
|
*
|
|
*
|
|
* usb_control_message(usb_handle,
|
|
* 0x41, = 0b01000001
|
|
* - D7 = 0 -> Data transfer direction: Host-to-device
|
|
* - D6...D5 = 2 -> Type: Vendor
|
|
* - D4...D0 = 1 -> Interface: Interface
|
|
* 0x1,
|
|
* 0x0,
|
|
* 0,
|
|
* buffer,
|
|
* 0x0,
|
|
* 250);
|
|
*
|
|
* free(buffer);
|
|
* return 0;
|
|
* }
|
|
****************************************************************
|
|
|
|
let transferInResult = undefined;
|
|
let controlData = undefined;
|
|
|
|
try {
|
|
transferInResult = await p7.device.controlTransferIn({
|
|
requestType: 'standard',
|
|
recipient: 'device',
|
|
request: 0x06, // GET_DESCRIPTOR
|
|
value: 0x0100, // Descriptor Type and Descriptor Index
|
|
index: 0x0000
|
|
}, 0x12); // Length
|
|
} catch (err) {
|
|
console.log(err);
|
|
}
|
|
|
|
controlData = new Uint8Array(transferInResult.data.buffer);
|
|
|
|
console.log('vendor id : 0x' + controlData[9].toString(16).padStart(2, 0) + controlData[8].toString(16).padStart(2,0));
|
|
console.log('product id : 0x' + controlData[11].toString(16).padStart(2, 0) + controlData[10].toString(16).padStart(2,0));
|
|
|
|
try {
|
|
transferInResult = await p7.device.controlTransferIn({
|
|
requestType: 'standard',
|
|
recipient: 'device',
|
|
request: 0x06, // GET_DESCRIPTOR
|
|
value: 0x0200, // Descriptor Type and Descriptor Index
|
|
index: 0x0000
|
|
}, 0x29); // Length
|
|
} catch (err) {
|
|
console.log(err);
|
|
}
|
|
|
|
controlData = new Uint8Array(transferInResult.data.buffer);
|
|
console.log(controlData);
|
|
|
|
try {
|
|
await p7.device.controlTransferOut({
|
|
requestType: 'vendor',
|
|
recipient: 'interface',
|
|
request: 0x01,
|
|
value: 0x0000,
|
|
index: 0x0000
|
|
}, controlData);
|
|
} catch (err) {
|
|
console.log(err);
|
|
} */
|
|
}
|
|
|
|
/* End the connexion with the calculator */
|
|
p7.exit = async function () {
|
|
|
|
}
|
|
|
|
|
|
|
|
document.getElementById('connect').addEventListener('click',
|
|
async function () {
|
|
var time = performance.now();
|
|
try {
|
|
await p7.init();
|
|
|
|
await p7.send.basicPacket(p7PacketType.check, checkSubtype.initialization);
|
|
|
|
await p7.send.basicPacket(p7PacketType.command, sysCommandSubtype.getDeviceInfo);
|
|
|
|
} catch (err) {
|
|
console.error(err);
|
|
return err;
|
|
}
|
|
|
|
console.log(p7.decode.extendedAckPacket());
|
|
|
|
|
|
console.log(await p7.commands.list('fls0'));
|
|
|
|
console.log(performance.now() - time);
|
|
});
|
|
})(); |