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uf2/patcher/patcher.js
Peli de Halleux 9409e62d43 parse keys from configkeys.h
2019-09-12 11:09:31 -07:00

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"use strict";
// copy entire configkeys.h from https://github.com/microsoft/pxt-common-packages/blob/master/libs/base/configkeys.h
const CONFIG_KEYS_H =
`
#ifndef __PXT_CONFIGKEYS_H
#define __PXT_CONFIGKEYS_H
// used by pins.cpp to mask off the pin name from any config
// lower 16 pins of value are the pin name
#define CFG_PIN_NAME_MSK 0x0000ffff
// upper 16 bits of value is any configuration of the pin.
#define CFG_PIN_CONFIG_MSK 0xffff0000
// begin optional pin configurations
#define CFG_PIN_CONFIG_ACTIVE_LO 0x10000
#define CFG_MAGIC0 0x1e9e10f1
#define CFG_MAGIC1 0x20227a79
// these define keys for getConfig() function
#define CFG_PIN_ACCELEROMETER_INT 1
#define CFG_PIN_ACCELEROMETER_SCL 2
#define CFG_PIN_ACCELEROMETER_SDA 3
#define CFG_PIN_BTN_A 4
#define CFG_PIN_BTN_B 5
#define CFG_PIN_BTN_SLIDE 6
#define CFG_PIN_DOTSTAR_CLOCK 7
#define CFG_PIN_DOTSTAR_DATA 8
#define CFG_PIN_FLASH_CS 9
#define CFG_PIN_FLASH_MISO 10
#define CFG_PIN_FLASH_MOSI 11
#define CFG_PIN_FLASH_SCK 12
#define CFG_PIN_LED 13
#define CFG_PIN_LIGHT 14
#define CFG_PIN_MICROPHONE 15
#define CFG_PIN_MIC_CLOCK 16
#define CFG_PIN_MIC_DATA 17
#define CFG_PIN_MISO 18
#define CFG_PIN_MOSI 19
#define CFG_PIN_NEOPIXEL 20
#define CFG_PIN_RX 21
#define CFG_PIN_RXLED 22
#define CFG_PIN_SCK 23
#define CFG_PIN_SCL 24
#define CFG_PIN_SDA 25
#define CFG_PIN_SPEAKER_AMP 26
#define CFG_PIN_TEMPERATURE 27
#define CFG_PIN_TX 28
#define CFG_PIN_TXLED 29
#define CFG_PIN_IR_OUT 30
#define CFG_PIN_IR_IN 31
#define CFG_PIN_DISPLAY_SCK 32
#define CFG_PIN_DISPLAY_MISO 33
#define CFG_PIN_DISPLAY_MOSI 34
#define CFG_PIN_DISPLAY_CS 35
#define CFG_PIN_DISPLAY_DC 36
#define CFG_DISPLAY_WIDTH 37
#define CFG_DISPLAY_HEIGHT 38
#define CFG_DISPLAY_CFG0 39
#define CFG_DISPLAY_CFG1 40
#define CFG_DISPLAY_CFG2 41
#define CFG_DISPLAY_CFG3 42
#define CFG_PIN_DISPLAY_RST 43
#define CFG_PIN_DISPLAY_BL 44
#define CFG_PIN_SERVO_1 45
#define CFG_PIN_SERVO_2 46
#define CFG_PIN_BTN_LEFT 47
#define CFG_PIN_BTN_RIGHT 48
#define CFG_PIN_BTN_UP 49
#define CFG_PIN_BTN_DOWN 50
#define CFG_PIN_BTN_MENU 51
#define CFG_PIN_LED_R 52
#define CFG_PIN_LED_G 53
#define CFG_PIN_LED_B 54
#define CFG_PIN_LED1 55
#define CFG_PIN_LED2 56
#define CFG_PIN_LED3 57
#define CFG_PIN_LED4 58
#define CFG_SPEAKER_VOLUME 59
#define CFG_PIN_JACK_TX 60
#define CFG_PIN_JACK_SENSE 61
#define CFG_PIN_JACK_HPEN 62
#define CFG_PIN_JACK_BZEN 63
#define CFG_PIN_JACK_PWREN 64
#define CFG_PIN_JACK_SND 65
#define CFG_PIN_JACK_BUSLED 66
#define CFG_PIN_JACK_COMMLED 67
#define CFG_PIN_BTN_SOFT_RESET 69
#define CFG_ACCELEROMETER_TYPE 70
#define CFG_PIN_BTNMX_LATCH 71
#define CFG_PIN_BTNMX_CLOCK 72
#define CFG_PIN_BTNMX_DATA 73
#define CFG_PIN_BTN_MENU2 74
#define CFG_PIN_BATTSENSE 75
#define CFG_PIN_VIBRATION 76
#define CFG_PIN_PWREN 77
#define CFG_DISPLAY_TYPE 78
#define CFG_PIN_ROTARY_ENCODER_A 79
#define CFG_PIN_ROTARY_ENCODER_B 80
#define CFG_ACCELEROMETER_SPACE 81
#define CFG_PIN_WIFI_MOSI 82
#define CFG_PIN_WIFI_MISO 83
#define CFG_PIN_WIFI_SCK 84
#define CFG_PIN_WIFI_TX 85
#define CFG_PIN_WIFI_RX 86
#define CFG_PIN_WIFI_CS 87
#define CFG_PIN_WIFI_BUSY 88
#define CFG_PIN_WIFI_RESET 89
#define CFG_PIN_WIFI_GPIO0 90
// default I2C address
#define ACCELEROMETER_TYPE_LIS3DH 0x32
#define ACCELEROMETER_TYPE_LIS3DH_ALT 0x30
#define ACCELEROMETER_TYPE_MMA8453 0x38
#define ACCELEROMETER_TYPE_FXOS8700 0x3C
#define ACCELEROMETER_TYPE_MMA8653 0x3A
#define ACCELEROMETER_TYPE_MSA300 0x4C
#define ACCELEROMETER_TYPE_MPU6050 0x68
#define DISPLAY_TYPE_ST7735 7735
#define DISPLAY_TYPE_ILI9341 9341
#define CFG_PIN_A0 100
#define CFG_PIN_A1 101
#define CFG_PIN_A2 102
#define CFG_PIN_A3 103
#define CFG_PIN_A4 104
#define CFG_PIN_A5 105
#define CFG_PIN_A6 106
#define CFG_PIN_A7 107
#define CFG_PIN_A8 108
#define CFG_PIN_A9 109
#define CFG_PIN_A10 110
#define CFG_PIN_A11 111
#define CFG_PIN_A12 112
#define CFG_PIN_A13 113
#define CFG_PIN_A14 114
#define CFG_PIN_A15 115
#define CFG_PIN_A16 116
#define CFG_PIN_A17 117
#define CFG_PIN_A18 118
#define CFG_PIN_A19 119
#define CFG_PIN_A20 120
#define CFG_PIN_A21 121
#define CFG_PIN_A22 122
#define CFG_PIN_A23 123
#define CFG_PIN_A24 124
#define CFG_PIN_A25 125
#define CFG_PIN_A26 126
#define CFG_PIN_A27 127
#define CFG_PIN_A28 128
#define CFG_PIN_A29 129
#define CFG_PIN_A30 130
#define CFG_PIN_A31 131
#define CFG_PIN_D0 150
#define CFG_PIN_D1 151
#define CFG_PIN_D2 152
#define CFG_PIN_D3 153
#define CFG_PIN_D4 154
#define CFG_PIN_D5 155
#define CFG_PIN_D6 156
#define CFG_PIN_D7 157
#define CFG_PIN_D8 158
#define CFG_PIN_D9 159
#define CFG_PIN_D10 160
#define CFG_PIN_D11 161
#define CFG_PIN_D12 162
#define CFG_PIN_D13 163
#define CFG_PIN_D14 164
#define CFG_PIN_D15 165
#define CFG_PIN_D16 166
#define CFG_PIN_D17 167
#define CFG_PIN_D18 168
#define CFG_PIN_D19 169
#define CFG_PIN_D20 170
#define CFG_PIN_D21 171
#define CFG_PIN_D22 172
#define CFG_PIN_D23 173
#define CFG_PIN_D24 174
#define CFG_PIN_D25 175
#define CFG_PIN_D26 176
#define CFG_PIN_D27 177
#define CFG_PIN_D28 178
#define CFG_PIN_D29 179
#define CFG_PIN_D30 180
#define CFG_PIN_D31 181
#define CFG_NUM_NEOPIXELS 200
#define CFG_NUM_DOTSTARS 201
#define CFG_DEFAULT_BUTTON_MODE 202
#define CFG_SWD_ENABLED 203
#define CFG_FLASH_BYTES 204
#define CFG_RAM_BYTES 205
#define CFG_SYSTEM_HEAP_BYTES 206
#define CFG_LOW_MEM_SIMULATION_KB 207
#define CFG_BOOTLOADER_BOARD_ID 208
#define CFG_UF2_FAMILY 209
#define CFG_PINS_PORT_SIZE 210
#define CFG_BOOTLOADER_PROTECTION 211
#define CFG_POWER_DEEPSLEEP_TIMEOUT 212
#define CFG_ANALOG_BUTTON_THRESHOLD 213
#define CFG_CPU_MHZ 214
#define CFG_CONTROLLER_LIGHT_MAX_BRIGHTNESS 215
#define CFG_PIN_B0 300
#define CFG_PIN_B1 301
#define CFG_PIN_B2 302
#define CFG_PIN_B3 303
#define CFG_PIN_B4 304
#define CFG_PIN_B5 305
#define CFG_PIN_B6 306
#define CFG_PIN_B7 307
#define CFG_PIN_B8 308
#define CFG_PIN_B9 309
#define CFG_PIN_B10 310
#define CFG_PIN_B11 311
#define CFG_PIN_B12 312
#define CFG_PIN_B13 313
#define CFG_PIN_B14 314
#define CFG_PIN_B15 315
#define CFG_PIN_B16 316
#define CFG_PIN_B17 317
#define CFG_PIN_B18 318
#define CFG_PIN_B19 319
#define CFG_PIN_B20 320
#define CFG_PIN_B21 321
#define CFG_PIN_B22 322
#define CFG_PIN_B23 323
#define CFG_PIN_B24 324
#define CFG_PIN_B25 325
#define CFG_PIN_B26 326
#define CFG_PIN_B27 327
#define CFG_PIN_B28 328
#define CFG_PIN_B29 329
#define CFG_PIN_B30 330
#define CFG_PIN_B31 331
#define CFG_PIN_C0 350
#define CFG_PIN_C1 351
#define CFG_PIN_C2 352
#define CFG_PIN_C3 353
#define CFG_PIN_C4 354
#define CFG_PIN_C5 355
#define CFG_PIN_C6 356
#define CFG_PIN_C7 357
#define CFG_PIN_C8 358
#define CFG_PIN_C9 359
#define CFG_PIN_C10 360
#define CFG_PIN_C11 361
#define CFG_PIN_C12 362
#define CFG_PIN_C13 363
#define CFG_PIN_C14 364
#define CFG_PIN_C15 365
#define CFG_PIN_C16 366
#define CFG_PIN_C17 367
#define CFG_PIN_C18 368
#define CFG_PIN_C19 369
#define CFG_PIN_C20 370
#define CFG_PIN_C21 371
#define CFG_PIN_C22 372
#define CFG_PIN_C23 373
#define CFG_PIN_C24 374
#define CFG_PIN_C25 375
#define CFG_PIN_C26 376
#define CFG_PIN_C27 377
#define CFG_PIN_C28 378
#define CFG_PIN_C29 379
#define CFG_PIN_C30 380
#define CFG_PIN_C31 381
#define CFG_PIN_P0 400
#define CFG_PIN_P1 401
#define CFG_PIN_P2 402
#define CFG_PIN_P3 403
#define CFG_PIN_P4 404
#define CFG_PIN_P5 405
#define CFG_PIN_P6 406
#define CFG_PIN_P7 407
#define CFG_PIN_P8 408
#define CFG_PIN_P9 409
#define CFG_PIN_P10 410
#define CFG_PIN_P11 411
#define CFG_PIN_P12 412
#define CFG_PIN_P13 413
#define CFG_PIN_P14 414
#define CFG_PIN_P15 415
#define CFG_PIN_P16 416
#define CFG_PIN_P17 417
#define CFG_PIN_P18 418
#define CFG_PIN_P19 419
#define CFG_PIN_P20 420
#define CFG_PIN_P21 421
#define CFG_PIN_P22 422
#define CFG_PIN_P23 423
#define CFG_PIN_P24 424
#define CFG_PIN_P25 425
#define CFG_PIN_P26 426
#define CFG_PIN_P27 427
#define CFG_PIN_P28 428
#define CFG_PIN_P29 429
#define CFG_PIN_P30 430
#define CFG_PIN_P31 431
#define CFG_PIN_LORA_MISO 1001
#define CFG_PIN_LORA_MOSI 1002
#define CFG_PIN_LORA_SCK 1003
#define CFG_PIN_LORA_CS 1004
#define CFG_PIN_LORA_BOOT 1005
#define CFG_PIN_LORA_RESET 1006
#define CFG_PIN_IRRXLED 1007
#define CFG_PIN_IRTXLED 1008
#define CFG_PIN_LCD_RESET 1009
#define CFG_PIN_LCD_ENABLE 1010
#define CFG_PIN_LCD_DATALINE4 1011
#define CFG_PIN_LCD_DATALINE5 1012
#define CFG_PIN_LCD_DATALINE6 1013
#define CFG_PIN_LCD_DATALINE7 1014
#define CFG_NUM_LCD_COLUMNS 1015
#define CFG_NUM_LCD_ROWS 1016
#endif
`
const configKeys = {}
CONFIG_KEYS_H.replace(/#define\s+CFG_(\w+)\s+(\w+)/g, function(m, name, value) {
configKeys[name] = parseInt(value);
return "";
})
const enums = {
// these are the same as the default I2C ID
ACCELEROMETER_TYPE: {
LIS3DH: 0x32,
LIS3DH_ALT: 0x30,
MMA8453: 0x38,
FXOS8700: 0x3C,
MMA8653: 0x3A,
MSA300: 0x4C,
MPU6050: 0x68,
},
UF2_FAMILY: {
ATSAMD21: 0x68ed2b88,
ATSAMD51: 0x55114460,
NRF52840: 0x1b57745f,
STM32F103: 0x5ee21072,
STM32F401: 0x57755a57,
ATMEGA32: 0x16573617,
CYPRESS_FX2: 0x5a18069b,
},
PINS_PORT_SIZE: {
PA_16: 0x10, // PA00-PA15, PB00-PB15, ... - STM32
PA_32: 0x20, // PA00-PA31, ... - ATSAMD
P0_16: 0x1010, // P0_0-P0_15, P1_0-P1_15, ...
P0_32: 0x1020, // P0_0-P0_32, ... - NRF
},
DEFAULT_BUTTON_MODE: {
ACTIVE_HIGH_PULL_DOWN: 0x11,
ACTIVE_HIGH_PULL_UP: 0x21,
ACTIVE_HIGH_PULL_NONE: 0x31,
ACTIVE_LOW_PULL_DOWN: 0x10,
ACTIVE_LOW_PULL_UP: 0x20,
ACTIVE_LOW_PULL_NONE: 0x30,
},
DISPLAY_TYPE: {
ST7735: 7735,
ILI9341: 9341,
},
".": {
BTN_FLAG_ACTIVE_HIGH: 0x110000,
BTN_FLAG_ACTIVE_LOW: 0x200000,
BTN_OFFSET_ANALOG_PLUS: 1100,
BTN_OFFSET_ANALOG_MINUS: 1200,
}
}
let infoMsg = ""
function log(msg) {
msg = "# " + msg
infoMsg += msg + "\n"
console.log(msg)
}
function help() {
console.log(`
USAGE: node patch-cfg.js file.uf2 [patch.cf2]
Without .cf2 file, it will parse config in the UF2 file and print it out
(in .cf2 format).
With .cf2 file, it will patch in-place the UF2 file with specified config.
`)
process.exit(1)
}
function readBin(fn) {
const fs = require("fs")
if (!fn) {
console.log("Required argument missing.")
help()
}
try {
return fs.readFileSync(fn)
} catch (e) {
console.log("Cannot read file '" + fn + "': " + e.message)
help()
}
}
const configInvKeys = {}
const UF2_MAGIC_START0 = 0x0A324655 // "UF2\n"
const UF2_MAGIC_START1 = 0x9E5D5157 // Randomly selected
const UF2_MAGIC_END = 0x0AB16F30 // Ditto
const CFG_MAGIC0 = 0x1e9e10f1
const CFG_MAGIC1 = 0x20227a79
let all_defines = {}
function configkeysH() {
let r = "#ifndef __CONFIGKEYS_H\n#define __CONFIGKEYS_H 1\n\n"
const add = (k, v) => {
all_defines[k] = v
if (v > 1000 || !/^CFG_/.test(k))
v = "0x" + v.toString(16)
else
v += ""
r += "#define " + k + " " + v + "\n"
}
add("CFG_MAGIC0", CFG_MAGIC0)
add("CFG_MAGIC1", CFG_MAGIC1)
r += "\n"
for (let k of Object.keys(configKeys)) {
add("CFG_" + k, configKeys[k])
}
for (let k of Object.keys(enums)) {
r += "\n"
for (let kk of Object.keys(enums[k])) {
let n = k == "." ? kk : `${k}_${kk}`
add(n, enums[k][kk])
}
}
r += "\n#endif // __CONFIGKEYS_H\n"
return r
}
function err(msg) {
log("Fatal error: " + msg)
if (typeof window == "undefined") {
process.exit(1)
} else {
throw new Error(msg)
}
}
function read32(buf, off) {
return (buf[off + 0] | (buf[off + 1] << 8) | (buf[off + 2] << 16) | (buf[off + 3] << 24)) >>> 0
}
function write32(buf, off, v) {
buf[off + 0] = v & 0xff
buf[off + 1] = (v >> 8) & 0xff
buf[off + 2] = (v >> 16) & 0xff
buf[off + 3] = (v >> 24) & 0xff
}
function patchHFile(file, patch) {
configkeysH()
let resFile = ""
let inZone = false
let flags = {}
let lineNo = 0
let nums = []
for (let line0 of file.split(/\n/)) {
lineNo++
let append = line0 + "\n"
let line = line0.trim().replace(/\/\/.*/, "")
if (inZone) {
if (line.indexOf("/* CF2 END */") >= 0) {
inZone = false
if (patch) {
let portSize = lookupCfg(patch, configKeys.PINS_PORT_SIZE)
let s = ""
let size = flags["size"] || 100
let numentries = patch.length >> 1
size = Math.max(size, numentries + 4)
s += ` ${CFG_MAGIC0}, ${CFG_MAGIC1}, // magic\n`
s += ` ${numentries}, ${size}, // used entries, total entries\n`
for (let i = 0; i < numentries; ++i) {
let k = patch[i * 2]
let v = patch[i * 2 + 1]
s += ` ${k}, 0x${v.toString(16)}, // ${showKV(k, v, portSize, patch)}\n`
}
s += " "
for (let i = 0; i < size - numentries; ++i) {
if (i && i % 16 == 0)
s += "\n "
s += " 0, 0,"
}
s += "\n"
append = s + line0 + "\n"
}
} else {
append = ""
let toks = line.split(/,\s*/).map(s => s.trim()).filter(s => !!s)
for (let tok of toks) {
let n = parseInt(tok)
if (isNaN(n)) {
n = all_defines[tok]
if (n === undefined) {
let portSize = lookupCfg(nums, configKeys.PINS_PORT_SIZE)
if (portSize) portSize &= 0xfff;
let pp = parsePinName(tok.replace(/^PIN_/, ""), portSize)
if (pp !== undefined) {
n = pp
} else {
err(`unknown value ${tok} at line ${lineNo}`)
}
}
}
nums.push(n)
}
}
} else {
let m = /\/\* CF2 START (.*)/.exec(line)
if (m) {
inZone = true
for (let k of m[1].split(/\s+/)) {
let mm = /^(\w+)=(\d+)$/.exec(k)
if (mm)
flags[mm[1]] = parseInt(mm[2])
else
flags[k] = true
}
}
}
resFile += append
}
if (nums.length) {
if (nums[0] != CFG_MAGIC0 || nums[1] != CFG_MAGIC1)
err("no magic in H file")
nums = nums.slice(4)
for (let i = 0; i < nums.length; i += 2) {
if (nums[i] == 0) {
if (nums.slice(i).some(x => x != 0))
err("config keys follow zero terminator")
else
nums = nums.slice(0, i)
break
}
}
}
return {
patched: resFile,
data: nums
}
}
function bufToString(buf) {
let s = ""
for (let i = 0; i < buf.length; ++i)
s += String.fromCharCode(buf[i])
return s
}
function stringToBuf(str) {
let buf = new Uint8Array(str.length)
for (let i = 0; i < buf.length; ++i)
buf[i] = str.charCodeAt(i)
return buf
}
function readWriteConfig(buf, patch) {
let patchPtr = null
let origData = []
let cfgLen = 0
let isUF2 = false
if (read32(buf, 0) == UF2_MAGIC_START0) {
isUF2 = true
log("detected UF2 file")
} else {
let stackBase = read32(buf, 0)
if ((stackBase & 0xff000003) == 0x20000000 &&
(read32(buf, 4) & 1) == 1) {
log("detected BIN file")
} else {
let str = bufToString(buf)
if (str.indexOf("/* CF2 START") >= 0) {
log("detected CF2 header file")
let rr = patchHFile(str, patch)
console.log(rr.data)
return patch ? stringToBuf(rr.patched) : rr.data
} else {
err("unknown file format")
}
}
}
if (patch)
patch.push(0, 0)
for (let off = 0; off < buf.length; off += 512) {
let start = 0
let payloadLen = 512
let addr = off
if (isUF2) {
start = 32
if (read32(buf, off) != UF2_MAGIC_START0 ||
read32(buf, off + 4) != UF2_MAGIC_START1) {
err("invalid data at " + off)
}
payloadLen = read32(buf, off + 16)
addr = read32(buf, off + 12) - 32
}
for (let i = start; i < start + payloadLen; i += 4) {
if (read32(buf, off + i) == CFG_MAGIC0 &&
read32(buf, off + i + 4) == CFG_MAGIC1) {
let addrS = "0x" + (addr + i).toString(16)
if (patchPtr === null) {
log(`Found CFG DATA at ${addrS}`)
patchPtr = -4
} else {
log(`Skipping second CFG DATA at ${addrS}`)
}
}
if (patchPtr !== null) {
if (patchPtr == -2) {
cfgLen = read32(buf, off + i)
if (patch)
write32(buf, off + i, (patch.length >> 1) - 1)
}
if (patchPtr >= 0) {
if (origData.length < cfgLen * 2 + 40)
origData.push(read32(buf, off + i))
if (patch) {
if (patchPtr < patch.length) {
write32(buf, off + i, patch[patchPtr])
}
}
}
patchPtr++
}
}
}
let len0 = cfgLen * 2
origData.push(0, 0)
while (origData[len0])
len0 += 2
origData = origData.slice(0, len0 + 2)
if (len0 != cfgLen * 2)
log("size information incorrect; continuing anyway")
if (origData.length == 0)
err("config data not found")
if (patch && patchPtr < patch.length)
err("no space for config data")
let tail = origData.slice(origData.length - 2)
if (tail.some(x => x != 0))
err("config data not zero terminated: " + tail.join(","))
origData = origData.slice(0, origData.length - 2)
return patch ? buf : origData
}
function lookupCfg(cfgdata, key) {
for (let i = 0; i < cfgdata.length; i += 2)
if (cfgdata[i] == key)
return cfgdata[i + 1]
return null
}
function pinToString(pinNo, portSize) {
if (!portSize || pinNo >= 1000)
return "P_" + pinNo
let useLetters = true
let theSize = portSize & 0xfff
if (portSize & 0x1000) {
useLetters = true
}
let port = (pinNo / theSize) | 0
let pin = pinNo % theSize
if (useLetters) {
return "P" + String.fromCharCode(65 + port) + ("0" + pin.toString()).slice(-2)
} else {
return "P" + port + "_" + pin
}
}
function isHeaderPin(n) {
return /^PIN_(MOSI|MISO|SCK|SDA|SCL|RX|TX|[AD]\d+)$/.test(n)
}
function keyWeight(k) {
if (k == "PINS_PORT_SIZE")
return 10
if (isHeaderPin(k))
return 20
if (/^PIN_/.test(k))
return 30
return 40
}
function expandNum(k) {
return k.replace(/\d+/g, f => {
if (f.length > 4)
return f
return ("0000" + f).slice(-4)
})
}
function cmpKeys(a, b) {
a = a.replace(/ =.*/, "")
b = b.replace(/ =.*/, "")
if (a == b)
return 0
let d = keyWeight(a) - keyWeight(b)
if (d) return d
let aa = expandNum(a)
let bb = expandNum(b)
if (aa < bb) return -1
else if (bb < aa) return 1
else if (a < b) return -1
else return 1
}
function showKV(k, v, portSize, data) {
let vn = ""
let kn = configInvKeys[k + ""] || ""
if (enums[kn]) {
for (let en of Object.keys(enums[kn])) {
if (enums[kn][en] == v) {
vn = en
break
}
}
}
if (vn == "") {
if (/_CFG/.test(kn) || v > 10000)
vn = "0x" + v.toString(16)
else if (/^PIN_/.test(kn)) {
if (data && !isHeaderPin(kn)) {
for (let pn of Object.keys(configKeys)) {
if (isHeaderPin(pn) && lookupCfg(data, configKeys[pn]) === v) {
vn = pn
break
}
}
}
if (!vn)
vn = pinToString(v, portSize)
} else
vn = v + ""
}
if (kn == "")
kn = "_" + k
return `${kn} = ${vn}`
}
function readConfig(buf) {
init()
let cfgdata = readWriteConfig(buf, null)
let portSize = lookupCfg(cfgdata, configKeys.PINS_PORT_SIZE)
let numentries = cfgdata.length >> 1
let lines = []
for (let i = 0; i < numentries; ++i) {
lines.push(showKV(cfgdata[i * 2], cfgdata[i * 2 + 1], portSize, cfgdata))
}
lines.sort(cmpKeys)
return lines.length ? lines.join("\n") : "Empty config."
}
function parsePinName(v, portSize) {
let thePort = -1
let pin = -1
v = v.trim()
const env = enums["."][v]
if (env !== undefined)
return env
let m = /(.*)([\|+])(.*)/.exec(v)
if (m) {
let v0 = parsePinName(m[1], portSize)
let v1 = parsePinName(m[3], portSize)
if (v0 === undefined || v1 === undefined)
return undefined
v0 = parseInt(v0)
v1 = parseInt(v1)
return "" + (m[2] == "|" ? v0 | v1 : v0 + v1)
}
m = /^P([A-Z])_?(\d+)$/.exec(v)
if (m) {
pin = parseInt(m[2])
thePort = m[1].charCodeAt(0) - 65
}
m = /^P(\d+)_(\d+)$/.exec(v)
if (m) {
pin = parseInt(m[2])
thePort = parseInt(m[1])
}
if (thePort >= 0) {
if (!portSize) err("PINS_PORT_SIZE not specified, while trying to parse PIN " + v)
if (pin >= portSize) err("Pin name invalid: " + v)
return (thePort * portSize + pin) + ""
}
m = /^P_?(\d+)$/.exec(v)
if (m)
return m[1]
return undefined
}
function patchConfig(buf, cfg) {
init()
const cfgMap = {}
let lineNo = 0
for (let line of cfg.split(/\n/)) {
lineNo++
line = line.replace(/(#|\/\/).*/, "")
line = line.trim()
if (!line)
continue
let m = /(\w+)\s*=\s*([^#]+)/.exec(line)
if (!m)
err("syntax error at config line " + lineNo)
let kn = m[1].toUpperCase()
let k = configKeys[kn]
if (!k && /^_\d+$/.test(kn))
k = parseInt(kn.slice(1))
if (!k)
err("Unrecognized key name: " + kn)
cfgMap[k + ""] = m[2]
}
let cfgdata = readWriteConfig(buf, null)
for (let i = 0; i < cfgdata.length; i += 2) {
let k = cfgdata[i] + ""
if (!cfgMap.hasOwnProperty(k))
cfgMap[k] = cfgdata[i + 1] + ""
}
const forAll = f => {
for (let k of Object.keys(cfgMap)) {
let kn = configInvKeys[k]
f(kn, k, cfgMap[k])
}
}
// expand enums
forAll((kn, k, v) => {
let e = enums[kn]
if (e && e[v.toUpperCase()])
cfgMap[k] = e[v] + ""
})
let portSize = cfgMap[configKeys.PINS_PORT_SIZE]
if (portSize) portSize = parseInt(portSize)
let portSize0 = portSize
if (portSize)
portSize &= 0xfff;
// expand pin names
forAll((kn, k, v) => {
let p = parsePinName(v, portSize)
if (p)
cfgMap[k] = p
})
// expand existing keys
for (let i = 0; i < 10; ++i)
forAll((kn, k, v) => {
if (configKeys[v]) {
let curr = cfgMap[configKeys[v] + ""]
if (curr == null)
err("Value not specified, but referenced: " + v)
cfgMap[k] = curr
}
})
let changes = ""
forAll((kn, k, v) => {
v = v.toUpperCase()
if (v == "NULL" || v == "UNDEFINED") {
let old = lookupCfg(cfgdata, k)
changes += "remove " + showKV(k, old, portSize0) + "\n"
delete cfgMap[k]
}
})
forAll((kn, k, v) => {
if (isNaN(parseInt(v)))
err("Value not understood: " + v)
})
let sorted = Object.keys(cfgMap)
sorted.sort((a, b) => parseInt(a) - parseInt(b))
let patch = []
for (let k of sorted) {
patch.push(parseInt(k))
patch.push(parseInt(cfgMap[k]))
}
for (let i = 0; i < patch.length; i += 2) {
let k = patch[i]
let v = patch[i + 1]
let old = lookupCfg(cfgdata, k)
if (old != v) {
let newOne = showKV(k, v, portSize0)
if (old !== null) {
let oldOne = showKV(k, old, portSize0)
newOne += " (was: " + oldOne.replace(/.* = /, "") + ")"
}
changes += newOne + "\n"
}
}
let patched = readWriteConfig(buf, patch)
return {
changes,
patched
}
}
function parseHFile(hFile) {
if (!hFile) return
for (let line of hFile.split(/\n/)) {
line = line.trim()
let m = /#define\s+CFG_(\w+)\s+(\d+)/.exec(line)
if (m) {
let k = m[1]
let v = parseInt(m[2])
configKeys[k] = parseInt(v)
configInvKeys[v + ""] = k
console.log(` ${k}: ${v},`)
}
}
}
function init() {
for (let k of Object.keys(configKeys)) {
let v = configKeys[k]
configInvKeys[v + ""] = k
}
}
function main() {
let uf2 = readBin(process.argv[2])
if (process.argv[3]) {
let cfg = readBin(process.argv[3]).toString("utf8")
let r = patchConfig(uf2, cfg)
if (!r.changes)
console.log("No changes.")
else
console.log("\nChanges:\n" + r.changes)
console.log("# Writing config...")
fs.writeFileSync(process.argv[2], r.patched)
} else {
console.log(readConfig(uf2))
}
}
if (typeof window == "undefined")
main()
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