442 lines
20 KiB
TypeScript
442 lines
20 KiB
TypeScript
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namespace pxsim {
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export interface AllocatorOpts {
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boardDef: BoardDefinition,
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cmpDefs: Map<PartDefinition>,
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fnArgs: any,
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getBBCoord: (loc: BBRowCol) => visuals.Coord,
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cmpList: string[]
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};
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export interface AllocatorResult {
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powerWires: WireInst[],
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components: CmpAndWireInst[]
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}
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export interface CmpAndWireInst {
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component: CmpInst,
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wires: WireInst[]
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}
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export interface CmpInst {
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name: string,
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breadboardStartColumn: number,
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breadboardStartRow: string,
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assemblyStep: number,
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visual: string | PartVisualDefinition,
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microbitPins: string[],
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otherArgs?: string[],
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}
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export interface WireInst {
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start: Loc,
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end: Loc,
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color: string,
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assemblyStep: number
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};
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interface PartialCmpAlloc {
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name: string,
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def: PartDefinition,
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pinsAssigned: string[],
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pinsNeeded: number | number[],
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breadboardColumnsNeeded: number,
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otherArgs?: string[],
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}
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interface AllocLocOpts {
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nearestBBPin?: BBRowCol,
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startColumn?: number,
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cmpGPIOPins?: string[],
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};
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interface AllocWireOpts {
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startColumn: number,
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cmpGPIOPins: string[],
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}
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interface AllocBlock {
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cmpIdx: number,
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cmpBlkIdx: number,
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gpioNeeded: number,
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gpioAssigned: string[]
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}
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function copyDoubleArray(a: string[][]) {
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return a.map(b => b.map(p => p));
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}
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function readPin(arg: string): string {
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U.assert(!!arg, "Invalid pin: " + arg);
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let pin = arg.split("DigitalPin.")[1];
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return pin;
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}
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function mkReverseMap(map: {[key: string]: string}) {
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let origKeys: string[] = [];
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let origVals: string[] = [];
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for (let key in map) {
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origKeys.push(key);
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origVals.push(map[key]);
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}
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let newMap: {[key: string]: string} = {};
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for (let i = 0; i < origKeys.length; i++) {
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let newKey = origVals[i];
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let newVal = origKeys[i];
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newMap[newKey] = newVal;
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}
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return newMap;
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}
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class Allocator {
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private opts: AllocatorOpts;
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private availablePowerPins = {
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top: {
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threeVolt: mkRange(26, 51).map(n => <BBRowCol>["+", `${n}`]),
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ground: mkRange(26, 51).map(n => <BBRowCol>["-", `${n}`]),
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},
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bottom: {
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threeVolt: mkRange(1, 26).map(n => <BBRowCol>["+", `${n}`]),
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ground: mkRange(1, 26).map(n => <BBRowCol>["-", `${n}`]),
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},
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};
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constructor(opts: AllocatorOpts) {
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this.opts = opts;
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}
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private allocateLocation(location: WireLocationDefinition, opts: AllocLocOpts): Loc {
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if (location === "ground" || location === "threeVolt") {
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U.assert(!!opts.nearestBBPin);
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let nearLoc = opts.nearestBBPin;
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let nearestCoord = this.opts.getBBCoord(nearLoc);
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let firstTopAndBot = [
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this.availablePowerPins.top.ground[0] || this.availablePowerPins.top.threeVolt[0],
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this.availablePowerPins.bottom.ground[0] || this.availablePowerPins.bottom.threeVolt[0]
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].map(loc => {
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return this.opts.getBBCoord(loc);
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});
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if (!firstTopAndBot[0] || !firstTopAndBot[1]) {
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console.debug(`No more available "${location}" locations!`);
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//TODO
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}
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let nearTop = visuals.findClosestCoordIdx(nearestCoord, firstTopAndBot) == 0;
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let pins: BBRowCol[];
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if (nearTop) {
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if (location === "ground") {
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pins = this.availablePowerPins.top.ground;
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} else if (location === "threeVolt") {
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pins = this.availablePowerPins.top.threeVolt;
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}
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} else {
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if (location === "ground") {
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pins = this.availablePowerPins.bottom.ground;
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} else if (location === "threeVolt") {
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pins = this.availablePowerPins.bottom.threeVolt;
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}
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}
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let pinCoords = pins.map(rowCol => {
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return this.opts.getBBCoord(rowCol);
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});
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let pinIdx = visuals.findClosestCoordIdx(nearestCoord, pinCoords);
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let pin = pins[pinIdx];
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if (nearTop) {
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this.availablePowerPins.top.ground.splice(pinIdx, 1);
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this.availablePowerPins.top.threeVolt.splice(pinIdx, 1);
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} else {
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this.availablePowerPins.bottom.ground.splice(pinIdx, 1);
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this.availablePowerPins.bottom.threeVolt.splice(pinIdx, 1);
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}
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return {type: "breadboard", rowCol: pin};
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} else if (location[0] === "breadboard") {
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U.assert(!!opts.startColumn);
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let row = <string>location[1];
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let col = (<number>location[2] + opts.startColumn).toString();
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return {type: "breadboard", rowCol: [row, col]}
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} else if (location[0] === "GPIO") {
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U.assert(!!opts.cmpGPIOPins);
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let idx = <number>location[1];
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let pin = opts.cmpGPIOPins[idx];
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return {type: "dalboard", pin: pin};
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} else if (location === "MOSI" || location === "MISO" || location === "SCK") {
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if (!this.opts.boardDef.spiPins)
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console.debug("No SPI pin mappings found!");
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let pin = (<any>this.opts.boardDef.spiPins)[location as string] as string;
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return {type: "dalboard", pin: pin};
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} else if (location === "SDA" || location === "SCL") {
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if (!this.opts.boardDef.i2cPins)
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console.debug("No I2C pin mappings found!");
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let pin = (<any>this.opts.boardDef.i2cPins)[location as string] as string;
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return {type: "dalboard", pin: pin};
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} else {
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//TODO
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U.assert(false);
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return null;
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}
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}
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private allocatePowerWires(): WireInst[] {
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let boardGround = this.opts.boardDef.groundPins[0] || null;
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if (!boardGround) {
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console.log("No available ground pin on board!");
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//TODO
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}
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let threeVoltPin = this.opts.boardDef.threeVoltPins[0] || null;
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if (!threeVoltPin) {
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console.log("No available 3.3V pin on board!");
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//TODO
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}
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let topLeft: BBRowCol = ["-", "26"];
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let botLeft: BBRowCol = ["-", "1"];
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let topRight: BBRowCol = ["-", "50"];
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let botRight: BBRowCol = ["-", "25"];
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let top: BBRowCol, bot: BBRowCol;
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if (this.opts.boardDef.attachPowerOnRight) {
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top = topRight;
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bot = botRight;
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} else {
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top = topLeft;
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bot = botLeft;
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}
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const GROUND_COLOR = "blue";
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const POWER_COLOR = "red";
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const wires: WireInst[] = [
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{start: this.allocateLocation("ground", {nearestBBPin: top}),
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end: this.allocateLocation("ground", {nearestBBPin: bot}),
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color: GROUND_COLOR, assemblyStep: 0},
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{start: this.allocateLocation("ground", {nearestBBPin: top}),
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end: {type: "dalboard", pin: boardGround},
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color: GROUND_COLOR, assemblyStep: 0},
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{start: this.allocateLocation("threeVolt", {nearestBBPin: top}),
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end: this.allocateLocation("threeVolt", {nearestBBPin: bot}),
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color: POWER_COLOR, assemblyStep: 1},
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{start: this.allocateLocation("threeVolt", {nearestBBPin: top}),
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end: {type: "dalboard", pin: threeVoltPin},
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color: POWER_COLOR, assemblyStep: 1},
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];
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return wires;
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}
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private allocateWire(wireDef: WireDefinition, opts: AllocWireOpts): WireInst {
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let ends = [wireDef.start, wireDef.end];
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let endIsPower = ends.map(e => e === "ground" || e === "threeVolt");
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let endInsts = ends.map((e, idx) => !endIsPower[idx] ? this.allocateLocation(e, opts) : null)
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endInsts = endInsts.map((e, idx) => {
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if (e)
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return e;
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let locInst = <BBLoc>endInsts[1 - idx];
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let l = this.allocateLocation(ends[idx], {
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nearestBBPin: locInst.rowCol,
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startColumn: opts.startColumn,
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cmpGPIOPins: opts.cmpGPIOPins,
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});
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return l;
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});
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return {start: endInsts[0], end: endInsts[1], color: wireDef.color, assemblyStep: wireDef.assemblyStep};
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}
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private allocatePartialCmps(): PartialCmpAlloc[] {
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let cmpNmAndDefs = this.opts.cmpList.map(cmpName => <[string, PartDefinition]>[cmpName, this.opts.cmpDefs[cmpName]]).filter(d => !!d[1]);
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let cmpNmsList = cmpNmAndDefs.map(p => p[0]);
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let cmpDefsList = cmpNmAndDefs.map(p => p[1]);
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let partialCmps: PartialCmpAlloc[] = [];
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cmpDefsList.forEach((def, idx) => {
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let nm = cmpNmsList[idx];
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if (def.pinAllocation.type === "predefined") {
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let mbPins = (<PredefinedPinAlloc>def.pinAllocation).pins;
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let pinsAssigned = mbPins.map(p => this.opts.boardDef.gpioPinMap[p]);
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partialCmps.push({
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name: nm,
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def: def,
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pinsAssigned: pinsAssigned,
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pinsNeeded: 0,
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breadboardColumnsNeeded: def.breadboardColumnsNeeded,
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});
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} else if (def.pinAllocation.type === "factoryfunction") {
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let fnPinAlloc = (<FactoryFunctionPinAlloc>def.pinAllocation);
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let fnNm = fnPinAlloc.functionName;
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let fnsAndArgs = <string[]>this.opts.fnArgs[fnNm];
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let success = false;
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if (fnsAndArgs && fnsAndArgs.length) {
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let pinArgPoses = fnPinAlloc.pinArgPositions;
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let otherArgPoses = fnPinAlloc.otherArgPositions || [];
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fnsAndArgs.forEach(fnArgsStr => {
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let fnArgsSplit = fnArgsStr.split(",");
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let pinArgs: string[] = [];
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pinArgPoses.forEach(i => {
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pinArgs.push(fnArgsSplit[i]);
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});
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let mbPins = pinArgs.map(arg => readPin(arg));
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let otherArgs: string[] = [];
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otherArgPoses.forEach(i => {
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otherArgs.push(fnArgsSplit[i]);
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});
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let pinsAssigned = mbPins.map(p => this.opts.boardDef.gpioPinMap[p]);
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partialCmps.push({
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name: nm,
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def: def,
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pinsAssigned: pinsAssigned,
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pinsNeeded: 0,
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breadboardColumnsNeeded: def.breadboardColumnsNeeded,
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otherArgs: otherArgs.length ? otherArgs : null,
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});
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});
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} else {
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// failed to find pin allocation from callsites
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console.debug("Failed to read pin(s) from callsite for: " + fnNm);
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let pinsNeeded = fnPinAlloc.pinArgPositions.length;
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partialCmps.push({
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name: nm,
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def: def,
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pinsAssigned: [],
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pinsNeeded: pinsNeeded,
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breadboardColumnsNeeded: def.breadboardColumnsNeeded,
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});
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}
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} else if (def.pinAllocation.type === "auto") {
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let pinsNeeded = (<AutoPinAlloc>def.pinAllocation).gpioPinsNeeded;
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partialCmps.push({
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name: nm,
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def: def,
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pinsAssigned: [],
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pinsNeeded: pinsNeeded,
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breadboardColumnsNeeded: def.breadboardColumnsNeeded,
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});
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}
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});
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return partialCmps;
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}
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private allocateGPIOPins(partialCmps: PartialCmpAlloc[]): string[][] {
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let availableGPIOBlocks = copyDoubleArray(this.opts.boardDef.gpioPinBlocks);
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let sortAvailableGPIOBlocks = () => availableGPIOBlocks.sort((a, b) => a.length - b.length); //smallest blocks first
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// determine blocks needed
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let blockAssignments: AllocBlock[] = [];
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let preassignedPins: string[] = [];
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partialCmps.forEach((cmp, idx) => {
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if (cmp.pinsAssigned && cmp.pinsAssigned.length) {
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//already assigned
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blockAssignments.push({cmpIdx: idx, cmpBlkIdx: 0, gpioNeeded: 0, gpioAssigned: cmp.pinsAssigned});
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preassignedPins = preassignedPins.concat(cmp.pinsAssigned);
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} else if (cmp.pinsNeeded) {
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if (typeof cmp.pinsNeeded === "number") {
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//individual pins
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for (let i = 0; i < cmp.pinsNeeded; i++) {
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blockAssignments.push(
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{cmpIdx: idx, cmpBlkIdx: 0, gpioNeeded: 1, gpioAssigned: []});
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}
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} else {
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//blocks of pins
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let blocks = <number[]>cmp.pinsNeeded;
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blocks.forEach((numNeeded, blkIdx) => {
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blockAssignments.push(
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{cmpIdx: idx, cmpBlkIdx: blkIdx, gpioNeeded: numNeeded, gpioAssigned: []});
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});
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}
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}
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});
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// remove assigned blocks
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availableGPIOBlocks.forEach(blks => {
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for (let i = blks.length - 1; 0 <= i; i--) {
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let pin = blks[i];
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if (0 <= preassignedPins.indexOf(pin)) {
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blks.splice(i, 1);
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}
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}
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});
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// sort by size of blocks
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let sortBlockAssignments = () => blockAssignments.sort((a, b) => b.gpioNeeded - a.gpioNeeded); //largest blocks first
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// allocate each block
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if (0 < blockAssignments.length && 0 < availableGPIOBlocks.length) {
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do {
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sortBlockAssignments();
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sortAvailableGPIOBlocks();
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let assignment = blockAssignments[0];
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let smallestAvailableBlockThatFits: string[];
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for (let j = 0; j < availableGPIOBlocks.length; j++) {
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smallestAvailableBlockThatFits = availableGPIOBlocks[j];
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if (assignment.gpioNeeded <= availableGPIOBlocks[j].length) {
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break;
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}
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}
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if (!smallestAvailableBlockThatFits || smallestAvailableBlockThatFits.length <= 0) {
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break; // out of pins
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}
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while (0 < assignment.gpioNeeded && 0 < smallestAvailableBlockThatFits.length) {
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assignment.gpioNeeded--;
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let pin = smallestAvailableBlockThatFits[0];
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smallestAvailableBlockThatFits.splice(0, 1);
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assignment.gpioAssigned.push(pin);
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}
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sortBlockAssignments();
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} while (0 < blockAssignments[0].gpioNeeded);
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}
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if (0 < blockAssignments.length && 0 < blockAssignments[0].gpioNeeded) {
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console.debug("Not enough GPIO pins!");
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return null;
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}
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let cmpGPIOPinBlocks: string[][][] = partialCmps.map((def, cmpIdx) => {
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if (!def)
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return null;
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let assignments = blockAssignments.filter(a => a.cmpIdx === cmpIdx);
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let gpioPins: string[][] = [];
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for (let i = 0; i < assignments.length; i++) {
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let a = assignments[i];
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let blk = gpioPins[a.cmpBlkIdx] || (gpioPins[a.cmpBlkIdx] = []);
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a.gpioAssigned.forEach(p => blk.push(p));
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}
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return gpioPins;
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});
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let cmpGPIOPins = cmpGPIOPinBlocks.map(blks => blks.reduce((p, n) => p.concat(n), []));
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return cmpGPIOPins;
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}
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private allocateColumns(partialCmps: PartialCmpAlloc[]): number[] {
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let componentsCount = partialCmps.length;
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let totalAvailableSpace = 30; //TODO allow multiple breadboards
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let totalSpaceNeeded = partialCmps.map(d => d.breadboardColumnsNeeded).reduce((p, n) => p + n, 0);
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let extraSpace = totalAvailableSpace - totalSpaceNeeded;
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if (extraSpace <= 0) {
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console.log("Not enough breadboard space!");
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//TODO
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}
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let padding = Math.floor(extraSpace / (componentsCount - 1 + 2));
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let componentSpacing = padding; //Math.floor(extraSpace/(componentsCount-1));
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let totalCmpPadding = extraSpace - componentSpacing * (componentsCount - 1);
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let leftPadding = Math.floor(totalCmpPadding / 2);
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let rightPadding = Math.ceil(totalCmpPadding / 2);
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let nextAvailableCol = 1 + leftPadding;
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let cmpStartCol = partialCmps.map(cmp => {
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let col = nextAvailableCol;
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nextAvailableCol += cmp.breadboardColumnsNeeded + componentSpacing;
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return col;
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});
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return cmpStartCol;
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}
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private allocateComponent(partialCmp: PartialCmpAlloc, startColumn: number, microbitPins: string[]): CmpInst {
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return {
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name: partialCmp.name,
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breadboardStartColumn: startColumn,
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breadboardStartRow: partialCmp.def.breadboardStartRow,
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assemblyStep: partialCmp.def.assemblyStep,
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visual: partialCmp.def.visual,
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microbitPins: microbitPins,
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otherArgs: partialCmp.otherArgs,
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};
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}
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public allocateAll(): AllocatorResult {
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let cmpList = this.opts.cmpList;
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let basicWires: WireInst[] = [];
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let cmpsAndWires: CmpAndWireInst[] = [];
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if (cmpList.length > 0) {
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basicWires = this.allocatePowerWires();
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let partialCmps = this.allocatePartialCmps();
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let cmpGPIOPins = this.allocateGPIOPins(partialCmps);
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let reverseMap = mkReverseMap(this.opts.boardDef.gpioPinMap);
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let cmpMicrobitPins = cmpGPIOPins.map(pins => pins.map(p => reverseMap[p]));
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let cmpStartCol = this.allocateColumns(partialCmps);
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let cmps = partialCmps.map((c, idx) => this.allocateComponent(c, cmpStartCol[idx], cmpMicrobitPins[idx]));
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let wires = partialCmps.map((c, idx) => c.def.wires.map(d => this.allocateWire(d, {
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cmpGPIOPins: cmpGPIOPins[idx],
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startColumn: cmpStartCol[idx],
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})));
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cmpsAndWires = cmps.map((c, idx) => {
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return {component: c, wires: wires[idx]}
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});
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}
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return {
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powerWires: basicWires,
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components: cmpsAndWires
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};
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}
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}
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export function allocateDefinitions(opts: AllocatorOpts): AllocatorResult {
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return new Allocator(opts).allocateAll();
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}
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} |