flix/flix/rc.ino
2025-02-28 23:58:31 +03:00

62 lines
1.8 KiB
C++

// Copyright (c) 2023 Oleg Kalachev <okalachev@gmail.com>
// Repository: https://github.com/okalachev/flix
// Work with the RC receiver
#include <SBUS.h>
#include "util.h"
SBUS RC(Serial2); // NOTE: Use RC(Serial2, 16, 17) if you use the old UART2 pins
// NOTE: use 'cr' command to calibrate the RC and put the values here
int channelNeutral[] = {995, 883, 200, 972, 512, 512, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
int channelMax[] = {1651, 1540, 1713, 1630, 1472, 1472, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
float controlsTime; // time of the last controls update
void setupRC() {
Serial.println("Setup RC");
RC.begin();
}
bool readRC() {
if (RC.read()) {
SBUSData data = RC.data();
memcpy(channels, data.ch, sizeof(channels)); // copy channels data
normalizeRC();
controlsTime = t;
return true;
}
return false;
}
void normalizeRC() {
for (uint8_t i = 0; i < 16; i++) {
controls[i] = mapf(channels[i], channelNeutral[i], channelMax[i], 0, 1);
}
}
void calibrateRC() {
Serial.println("Calibrate RC: move all sticks to maximum positions [4 sec]");
Serial.println("··o ··o\n··· ···\n··· ···");
delay(4000);
while (!readRC());
for (int i = 0; i < 16; i++) {
channelMax[i] = channels[i];
}
Serial.println("Calibrate RC: move all sticks to neutral positions [4 sec]");
Serial.println("··· ···\n··· ·o·\n·o· ···");
delay(4000);
while (!readRC());
for (int i = 0; i < 16; i++) {
channelNeutral[i] = channels[i];
}
printRCCal();
}
void printRCCal() {
for (int i = 0; i < sizeof(channelNeutral) / sizeof(channelNeutral[0]); i++) Serial.printf("%d ", channelNeutral[i]);
Serial.printf("\n");
for (int i = 0; i < sizeof(channelMax) / sizeof(channelMax[0]); i++) Serial.printf("%d ", channelMax[i]);
Serial.printf("\n");
}