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Flysky/CX20 fully reversed

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pascallanger 2016-12-04 18:56:03 +01:00
parent c24f7a86d4
commit 54dd562d88
1 changed files with 12 additions and 3 deletions
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15
Multiprotocol/FlySky_a7105.ino
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@ -196,7 +196,9 @@ uint16_t initFlySky()
A7105_Init();
if ((rx_tx_addr[3]&0xF0) > 0x90) // limit offset to 9 as higher values don't work with some RX (ie V912)
// limit offset to 9 as higher values don't work with some RX (ie V912)
// limit offset to 9 as CX20 repeats the same channels after that
if ((rx_tx_addr[3]&0xF0) > 0x90)
rx_tx_addr[3]=rx_tx_addr[3]-0x70;
// Build frequency hop table
@ -213,11 +215,18 @@ uint16_t initFlySky()
if(i&0x01)
temp+=0x50;
if(sub_protocol==CX20)
{//Might need more dumps to be 100% sure but this is how it looks like to work
{
if(temp==0x0A)
temp+=0x37;
if(temp==0xA0)
temp-=0x73;
{
if (chanoffset<4)
temp=0x37;
else if (chanoffset<9)
temp=0x2D;
else
temp=0x29;
}
}
hopping_frequency[((chanrow&1)?15-i:i)]=temp-chanoffset;
}