gomaomao/DIY-Multiprotocol-TX-Module
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MT99xx/F949G: new sub protocol

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Pascal Langer
2021-08-26 22:33:38 +02:00
parent 2501656bf4
commit ebde0915cd
8 changed files with 61 additions and 12 deletions
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41
Multiprotocol/MT99xx_ccnrf.ino
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@@ -26,11 +26,13 @@
#define MT99XX_PACKET_PERIOD_A180 3400 // timing changes between the packets 2 x 27220 then 1x 26080, it seems that it is only on the first RF channel which jitters by 1.14ms but hard to pinpoint with XN297dump
#define MT99XX_PACKET_PERIOD_DRAGON 1038 // there is a pause of 2x1038 between two packets, no idea why and how since it is not even stable on a same dump...
#define MT99XX_PACKET_PERIOD_DRAGON_TELEM 10265 // long pause to receive the telemetry packets, 3 are sent by the RX one after the other
#define MT99XX_PACKET_PERIOD_F949G 3450
#define MT99XX_INITIAL_WAIT 500
#define MT99XX_PACKET_SIZE 9
//#define FORCE_A180_ID
//#define FORCE_DRAGON_ID
//#define FORCE_F949G_ID
enum {
MT99XX_DATA,
@@ -75,6 +77,12 @@ enum{
FLAG_DRAGON_UNK = 0x04,
};
enum{
// flags going to packet[6] (F949G)
FLAG_F949G_LIGHT = 0x01,
FLAG_F949G_3D6G = 0x20,
};
const uint8_t h7_mys_byte[] = {
0x01, 0x11, 0x02, 0x12, 0x03, 0x13, 0x04, 0x14,
0x05, 0x15, 0x06, 0x16, 0x07, 0x17, 0x00, 0x10
@@ -120,9 +128,10 @@ static void __attribute__((unused)) MT99XX_send_packet()
packet[2] = 0x12;
packet[3] = 0x17;
break;
case F949G:
case A180:
packet_period = MT99XX_PACKET_PERIOD_A180;
default: // MT99 & H7 & A180 & DRAGON
default: // MT99 & H7 & A180 & DRAGON & F949G
packet[1] = 0x14;
packet[2] = 0x03;
packet[3] = 0x25;
@@ -132,12 +141,15 @@ static void __attribute__((unused)) MT99XX_send_packet()
packet[5] = rx_tx_addr[1];
packet[6] = rx_tx_addr[2];
packet[7] = crc8; // checksum offset
packet[8] = 0xAA; // fixed
if(sub_protocol != F949G)
packet[8] = 0xAA; // fixed
else
packet[8] = 0x00;
}
else
{
if(sub_protocol != YZ)
{ // MT99XX & H7 & LS & FY805 & A180 & DRAGON
{ // MT99XX & H7 & LS & FY805 & A180 & DRAGON & F949G
packet[0] = convert_channel_16b_limit(THROTTLE,0xE1,0x00); // throttle
packet[1] = convert_channel_16b_limit(RUDDER ,0x00,0xE1); // rudder
packet[2] = convert_channel_16b_limit(AILERON ,0xE1,0x00); // aileron
@@ -212,6 +224,12 @@ static void __attribute__((unused)) MT99XX_send_packet()
packet[7] = 0x20;
#endif
break;
case F949G:
packet[6] = 0x02
| GET_FLAG( CH5_SW, FLAG_F949G_3D6G )
| GET_FLAG( CH6_SW, FLAG_F949G_LIGHT );
packet[7] = 0x00;
break;
}
uint8_t result=crc8;
for(uint8_t i=0; i<8; i++)
@@ -251,11 +269,11 @@ static void __attribute__((unused)) MT99XX_send_packet()
else
if(sub_protocol==FY805)
XN297_RFChannel(0x4B); // FY805 always transmits on the same channel
else // MT99 & H7 & YZ & A180 & DRAGON
else // MT99 & H7 & YZ & A180 & DRAGON & F949G
XN297_Hopping(hopping_frequency_no);
hopping_frequency_no++;
if(sub_protocol == YZ || sub_protocol == A180 || sub_protocol == DRAGON )
if(sub_protocol == YZ || sub_protocol == A180 || sub_protocol == DRAGON || sub_protocol == F949G)
hopping_frequency_no++; // skip every other channel
if(hopping_frequency_no > 15)
hopping_frequency_no = 0;
@@ -318,7 +336,16 @@ static void __attribute__((unused)) MT99XX_initialize_txid()
//channel_offset = 0x06
break;
#endif
default: //MT99 & H7 & A180 & DRAGON
#ifdef FORCE_F949G_ID
case F949G:
rx_tx_addr[0] = 0x7E; // LilTeo14 ID
rx_tx_addr[1] = 0x2F;
rx_tx_addr[2] = 0x29;
//crc8 = 0xD6
//channel_offset = 0x03
break;
#endif
default: //MT99 & H7 & A180 & DRAGON & F949G
rx_tx_addr[2] = 0x00;
break;
}
@@ -409,7 +436,7 @@ uint16_t MT99XX_callback()
void MT99XX_init(void)
{
if(sub_protocol != A180 && sub_protocol != DRAGON)
if(sub_protocol != A180 && sub_protocol != DRAGON && sub_protocol != F949G)
BIND_IN_PROGRESS; // autobind protocol
bind_counter = MT99XX_BIND_COUNT;