gomaomao/DIY-Multiprotocol-TX-Module
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Radiolink/RC4G: IDs and RFs

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pascallanger 2024-02-26 17:20:08 +01:00
parent bee6e59582
commit 188f8ff9ce
1 changed files with 39 additions and 4 deletions
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43
Multiprotocol/RadioLink_cc2500.ino
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@ -22,7 +22,7 @@
//#define RLINK_DEBUG_TELEM //#define RLINK_DEBUG_TELEM
//#define RLINK_FORCE_ID //#define RLINK_FORCE_ID
#define RLINK_RC4G_FORCE_ID //#define RLINK_RC4G_FORCE_ID
#define RLINK_TX_PACKET_LEN 33 #define RLINK_TX_PACKET_LEN 33
#define RLINK_RX_PACKET_LEN 15 #define RLINK_RX_PACKET_LEN 15
@ -120,11 +120,44 @@ static void __attribute__((unused)) RLINK_TXID_init()
if(sub_protocol!=RLINK_RC4G) if(sub_protocol!=RLINK_RC4G)
RLINK_hop(); RLINK_hop();
else else
{ {//RLINK_RC4G
// Find 2 unused channels // Find 2 unused channels
// first channel is a multiple of 3 between 00 and 5D // first channel is a multiple of 3 between 00 and 5D
// second channel is a multiple of 3 between 63 and BD // second channel is a multiple of 3 between 63 and BD
//TODO: find 2 unused channels CC2500_Strobe(CC2500_SIDLE);
CC2500_WriteReg(CC2500_17_MCSM1,0x3C);
CC2500_Strobe(CC2500_SFRX);
CC2500_SetTxRxMode(RX_EN);
CC2500_Strobe(CC2500_SRX);
delayMilliseconds(1); //wait for RX mode
uint16_t val;
uint8_t val_low = 0xFF;
hopping_frequency[0] = 0x00;
hopping_frequency[1] = 0x63;
for(uint8_t ch=0; ch<=0xBD; ch+=3)
{
if(ch==0x63)
val_low = 0xFF; //init for second block
if(ch==0x60)
continue; //skip channel
CC2500_WriteReg(CC2500_0A_CHANNR, ch); //switch channel
delayMicroseconds(370); //wait to read
val = 0;
for(uint8_t i=0;i<16;i++)
val += CC2500_ReadReg(CC2500_34_RSSI | CC2500_READ_BURST);
val >>= 4;
debug("C:%02X RSSI:%02X",ch,val);
if(val_low > val)
{
debug(" OK");
val_low = val;
hopping_frequency[ch<0x63?0:1]=ch; //save best channel
}
debugln("");
}
CC2500_WriteReg(CC2500_17_MCSM1,0x30);
CC2500_Strobe(CC2500_SIDLE);
CC2500_SetTxRxMode(TX_EN);
#ifdef RLINK_RC4G_FORCE_ID #ifdef RLINK_RC4G_FORCE_ID
hopping_frequency[0] = 0x03; hopping_frequency[0] = 0x03;
hopping_frequency[1] = 0x6F; hopping_frequency[1] = 0x6F;
@ -293,7 +326,7 @@ static void __attribute__((unused)) RLINK_RC4G_send_packet()
#ifdef RLINK_DEBUG #ifdef RLINK_DEBUG
debug("P="); debug("P=");
for(uint8_t i=1;i<16;i++) for(uint8_t i=1;i<16;i++)
debug(" 0x%02X",packet[i]); debug(" 0x%02X",packet[i]);
debugln(""); debugln("");
#endif #endif
} }
@ -311,6 +344,8 @@ uint16_t RLINK_callback()
#ifdef MULTI_SYNC #ifdef MULTI_SYNC
telemetry_set_input_sync(RLINK_RC4G_TIMING_PROTO); telemetry_set_input_sync(RLINK_RC4G_TIMING_PROTO);
#endif #endif
CC2500_SetPower();
CC2500_SetFreqOffset();
RLINK_RC4G_send_packet(); RLINK_RC4G_send_packet();
#else #else
SUB_PROTO_INVALID; SUB_PROTO_INVALID;