Git-Mirrors/portapack-mayhem
1
0
Fork 0
mirror of https://github.com/eried/portapack-mayhem.git synced 2025-08-13 17:05:37 -04:00
Code Issues Projects Releases Packages Wiki Activity

Added remaining buttons for TouchTunes remote

Browse source 
LCR transmit UI cleanup
CC1101 data whitening function
Uniformized tx progress message handling
This commit is contained in:
furrtek 2017-09-24 20:05:42 +01:00
parent 26949773bb
commit 73d47cd77d
48 changed files with 504 additions and 486 deletions
Download patch file Download diff file Expand all files Collapse all files

19
firmware/application/emu_cc1101.cpp
View file

@ -24,4 +24,23 @@
namespace cc1101 {
void CC1101Emu::whitening_init() {
whitening_pn = 0x1FF;
}
// See TI app note DN509
uint8_t CC1101Emu::whiten_byte(uint8_t byte) {
uint_fast8_t new_bit;
byte ^= (whitening_pn & 0xFF);
for (size_t step = 0; step < 8; step++) {
new_bit = (whitening_pn & 1) ^ ((whitening_pn >> 5) & 1);
whitening_pn >>= 1;
whitening_pn |= (new_bit << 8);
}
return byte;
}
} /* namespace cc1101 */