Mirror/inav
1
0
Fork 0
mirror of https://github.com/iNavFlight/inav.git synced 2025-07-23 00:05:28 +03:00
Code Issues Wiki Activity

TBS Crossfire SerialRX protocol and telemetry (grafting from Betaflight)

Browse source 
Inject link quality to virtual channel 17 for CRSF telemetry, change to integer arithmetic for channel value conversion
Rename USE_PWM and USE_PPM to USE_RX_PWM and USE_RX_PPM
This commit is contained in:
Konstantin Sharlaimov (DigitalEntity) 2017-01-10 17:55:54 +10:00
parent a966135eb5
commit 4f250b96c4
22 changed files with 849 additions and 130 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/main/common/maths.c
View file

@ -459,6 +459,19 @@ uint16_t crc16_ccitt(uint16_t crc, unsigned char a)
return crc;
}
uint8_t crc8_dvb_s2(uint8_t crc, unsigned char a)
{
crc ^= a;
for (int ii = 0; ii < 8; ++ii) {
if (crc & 0x80) {
crc = (crc << 1) ^ 0xD5;
} else {
crc = crc << 1;
}
}
return crc;
}
float bellCurve(const float x, const float curveWidth)
{
return powf(M_Ef, -sq(x) / (2.0f * sq(curveWidth)));