pxt-ev3/editor/extension.ts
2017-07-25 11:48:02 +01:00

128 lines
4.0 KiB
TypeScript

/// <reference path="../node_modules/pxt-core/built/pxteditor.d.ts" />
// When require()d from node, bind the global pxt namespace
namespace pxt {
export const dummyExport = 1;
}
eval("if (typeof process === 'object' && process + '' === '[object process]') pxt = global.pxt")
namespace pxt.editor {
import UF2 = pxtc.UF2;
// this comes from aux/pxt.lms
const rbfTemplate = `
4c45474f580000006d000100000000001c000000000000000e000000821b038405018130813e8053
74617274696e672e2e2e0084006080XX00448581644886488405018130813e80427965210084000a
`
function hf2Async() {
return pxt.HF2.mkPacketIOAsync()
.then(h => {
let w = new Ev3Wrapper(h)
return w.reconnectAsync(true)
.then(() => w)
})
}
let noHID = false
let initPromise: Promise<Ev3Wrapper>
function initAsync() {
if (!initPromise)
initPromise = hf2Async()
.catch(err => {
initPromise = null
noHID = true
return Promise.reject(err)
})
return initPromise
}
export function deployCoreAsync(resp: pxtc.CompileResult, isCli = false) {
let w: Ev3Wrapper
let filename = resp.downloadFileBaseName
let fspath = "../prjs/BrkProg_SAVE/"
let elfPath = fspath + filename + ".elf"
let rbfPath = fspath + filename + ".rbf"
let rbfHex = rbfTemplate
.replace(/\s+/g, "")
.replace("XX", U.toHex(U.stringToUint8Array(elfPath)))
let rbfBIN = U.fromHex(rbfHex)
HF2.write16(rbfBIN, 4, rbfBIN.length)
let origElfUF2 = UF2.parseFile(U.stringToUint8Array(atob(resp.outfiles[pxt.outputName()])))
let mkFile = (ext: string, data: Uint8Array = null) => {
let f = UF2.newBlockFile()
f.filename = "Projects/" + filename + ext
if (data)
UF2.writeBytes(f, 0, data)
return f
}
let elfUF2 = mkFile(".elf")
for (let b of origElfUF2) {
UF2.writeBytes(elfUF2, b.targetAddr, b.data)
}
let r = UF2.concatFiles([elfUF2, mkFile(".rbf", rbfBIN)])
let data = UF2.serializeFile(r)
resp.outfiles[pxtc.BINARY_UF2] = btoa(data)
let saveUF2Async = () => {
if (isCli || !pxt.commands.saveOnlyAsync) {
return Promise.resolve()
} else {
return pxt.commands.saveOnlyAsync(resp)
}
}
if (noHID) return saveUF2Async()
return initAsync()
.then(w_ => {
w = w_
if (w.isStreaming)
U.userError("please stop the program first")
return w.stopAsync()
})
.then(() => w.rmAsync(elfPath))
.then(() => w.flashAsync(elfPath, UF2.readBytes(origElfUF2, 0, origElfUF2.length * 256)))
.then(() => w.flashAsync(rbfPath, rbfBIN))
.then(() => w.runAsync(rbfPath))
.then(() => {
if (isCli)
return w.disconnectAsync()
else
return Promise.resolve()
//return Promise.delay(1000).then(() => w.dmesgAsync())
}).catch(e => {
// if we failed to initalize, retry
if (noHID)
return saveUF2Async()
else
return Promise.reject(e)
})
}
initExtensionsAsync = function (opts: pxt.editor.ExtensionOptions): Promise<pxt.editor.ExtensionResult> {
pxt.debug('loading pxt-ev3 target extensions...')
const res: pxt.editor.ExtensionResult = {
deployCoreAsync,
};
initAsync()
/*
.then(w => w.streamFileAsync("/tmp/serial.txt", buf => {
let str = Util.fromUTF8(Util.uint8ArrayToString(buf))
}))
*/
return Promise.resolve<pxt.editor.ExtensionResult>(res);
}
}