pxt-ev3/docs/examples/print-ports.md
2018-01-31 08:44:58 -08:00

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# Print Ports
```typescript
/**
* Print the port states on the screen
*/
//% blockId=brickPrintPorts block="print ports"
//% help=brick/print-ports
//% weight=1 group="Screen"
function printPorts() {
const col = 44;
clearScreen();
function scale(x: number) {
if (Math.abs(x) > 1000) return Math.round(x / 100) / 10 + "k";
return ("" + (x >> 0));
}
// motors
const datas = motors.getAllMotorData();
for(let i = 0; i < datas.length; ++i) {
const data = datas[i];
if (!data.actualSpeed && !data.count) continue;
const x = i * col;
print(`${scale(data.actualSpeed)}%`, x, brick.LINE_HEIGHT)
print(`${scale(data.count)}>`, x, 2 * brick.LINE_HEIGHT)
print(`${scale(data.tachoCount)}|`, x, 3 * brick.LINE_HEIGHT)
}
// sensors
const sis = sensors.internal.getActiveSensors();
for(let i =0; i < sis.length; ++i) {
const si = sis[i];
const x = (si.port() - 1) * col;
const v = si._query();
print(`${scale(v)}`, x, 9 * brick.LINE_HEIGHT)
}
}
```