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https://github.com/pascallanger/DIY-Multiprotocol-TX-Module.git
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FrSkyD telemetry and serial TX buffer
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pascallanger
parent
f81e7cb78a
commit
85f4dbd670
@ -141,7 +141,7 @@ uint8_t pkt[MAX_PKT];//telemetry receiving packets
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uint8_t pass = 0;
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uint8_t pktt[MAX_PKT];//telemetry receiving packets
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#ifndef BASH_SERIAL
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#define TXBUFFER_SIZE 32
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#define TXBUFFER_SIZE 64
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volatile uint8_t tx_buff[TXBUFFER_SIZE];
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volatile uint8_t tx_head=0;
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volatile uint8_t tx_tail=0;
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@ -17,6 +17,8 @@
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//**************************
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#if defined TELEMETRY
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uint8_t RetrySequence ;
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#if ( defined(MULTI_TELEMETRY) || defined(MULTI_STATUS) )
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#define MULTI_TIME 500 //in ms
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uint32_t lastMulti = 0;
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@ -50,7 +52,7 @@ uint8_t frame[18];
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{
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uint8_t head ;
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uint8_t tail ;
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uint8_t data[64] ;
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uint8_t data[128] ;
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uint8_t busy ;
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uint8_t speed ;
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} SerialControl ;
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@ -162,7 +164,7 @@ void frsky_check_telemetry(uint8_t *pkt,uint8_t len)
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{
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if(pkt[1] == rx_tx_addr[3] && pkt[2] == rx_tx_addr[2] && len ==(pkt[0] + 3))
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{
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telemetry_link=1; // Telemetry data is available
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telemetry_link|=1; // Telemetry data is available
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/*preious version
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RSSI_dBm = (((uint16_t)(pktt[len-2])*18)>>4);
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if(pktt[len-2] >=128) RSSI_dBm -= 164;
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@ -175,13 +177,28 @@ void frsky_check_telemetry(uint8_t *pkt,uint8_t len)
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TX_LQI = pkt[len-1]&0x7F;
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for (uint8_t i=3;i<len-2;i++)
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pktt[i]=pkt[i]; // Buffer telemetry values to be sent
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/*uint8_t next_sequence = (telemetry_counter+1)%32;
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if((pktt[6]>0 && pktt[6]<=10) && ( pktt[7] & 0x1F ) == next_sequence )
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telemetry_counter = next_sequence ; // Request next telemetry frame*/
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if(pktt[6]>0 && pktt[6]<=10) // && (pktt[7]&0x1F) == telemetry_counter )
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telemetry_counter=(telemetry_counter+1)%32; // Request next telemetry frame
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if((pktt[6]>0 && pktt[6]<=10) && ( pktt[7] & 0x1F ) == (telemetry_counter & 0x1F) )
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{
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uint8_t topBit = 0 ;
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if ( telemetry_counter & 0x80 )
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{
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if ( ( telemetry_counter & 0x1F ) != RetrySequence )
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{
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topBit = 0x80 ;
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}
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}
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telemetry_counter = ( (telemetry_counter+1)%32 ) | topBit ; // Request next telemetry frame
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}
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else
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{
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if(pktt[6]>0 && pktt[6]<=10)
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{
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// incorrect sequence
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RetrySequence = pktt[7] & 0x1F ;
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telemetry_counter |= 0x80 ;
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}
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pktt[6]=0; // Discard packet
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}
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//
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#if defined SPORT_TELEMETRY && defined FRSKYX_CC2500_INO
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telemetry_lost=0;
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@ -225,7 +242,8 @@ void frsky_link_frame()
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frame[1] = pktt[3]; // A1
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frame[2] = pktt[4]; // A2
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frame[3] = pktt[5]; // RX_RSSI
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telemetry_link++; // Send hub if available
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telemetry_link &= ~1 ; // Sent
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telemetry_link |= 2 ; // Send hub if available
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}
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else
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if (protocol==MODE_HUBSAN||protocol==MODE_AFHDS2A||protocol==MODE_BAYANG)
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@ -256,18 +274,17 @@ void frsky_user_frame()
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{
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frame[1]=USER_MAX_BYTES; // packet size
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pktt[6]-=USER_MAX_BYTES;
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telemetry_link++; // 2 packets need to be sent
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telemetry_link |= 2 ; // 2 packets need to be sent
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}
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else
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{
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frame[1]=pktt[6]; // packet size
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pktt[6]=0;
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telemetry_link=0; // only 1 packet or processing second packet
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}
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frame[2] = pktt[7];
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for(uint8_t i=0;i<USER_MAX_BYTES;i++)
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frame[i+3]=pktt[i+8];
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if(telemetry_link) // prepare the content of second packet
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if(telemetry_link & 2) // prepare the content of second packet
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for(uint8_t i=8;i<USER_MAX_BYTES+8;i++)
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pktt[i]=pktt[i+USER_MAX_BYTES];
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#if defined MULTI_TELEMETRY
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@ -513,10 +530,10 @@ void TelemetryUpdate()
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h = SerialControl.head ;
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t = SerialControl.tail ;
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if ( h >= t )
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t += 64 - h ;
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t += 128 - h ;
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else
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t -= h ;
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if ( t < 32 )
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if ( t < 64 )
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return ;
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#else
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uint8_t h ;
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@ -527,7 +544,7 @@ void TelemetryUpdate()
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t += TXBUFFER_SIZE - h ;
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else
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t -= h ;
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if ( t < 16 )
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if ( t < 32 )
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return ;
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#endif
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#if ( defined(MULTI_TELEMETRY) || defined(MULTI_STATUS) )
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@ -585,13 +602,14 @@ void TelemetryUpdate()
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return;
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}
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#endif
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if(telemetry_link == 1 && protocol != MODE_FRSKYX)
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{ // FrSkyD + Hubsan + AFHDS2A + Bayang
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frsky_link_frame();
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return;
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}
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if((telemetry_link & 1 )&& protocol != MODE_FRSKYX)
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{ // FrSkyD + Hubsan + AFHDS2A + Bayang
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frsky_link_frame();
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return;
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}
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#if defined HUB_TELEMETRY
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if(telemetry_link > 1 && protocol == MODE_FRSKYD)
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if((telemetry_link & 2) && protocol == MODE_FRSKYD)
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{ // FrSkyD
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frsky_user_frame();
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return;
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@ -812,7 +830,7 @@ void Serial_write( uint8_t byte )
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#ifdef INVERT_SERIAL
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byte |= 1 ; // Start bit
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#endif
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uint8_t next = (SerialControl.head + 2) & 0x3f ;
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uint8_t next = (SerialControl.head + 2) & 0x7f ;
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if ( next != SerialControl.tail )
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{
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SerialControl.data[SerialControl.head] = byte ;
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@ -906,7 +924,7 @@ ISR(TIMER0_COMPB_vect)
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{
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GPIOR0 = ptr->data[ptr->tail] ;
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GPIOR2 = ptr->data[ptr->tail+1] ;
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ptr->tail = ( ptr->tail + 2 ) & 0x3F ;
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ptr->tail = ( ptr->tail + 2 ) & 0x7F ;
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GPIOR1 = 8 ;
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OCR0A = OCR0B + 40 ;
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OCR0B = OCR0A + 8 * 20 ;
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@ -957,7 +975,7 @@ ISR(TIMER0_OVF_vect)
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{
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GPIOR0 = ptr->data[ptr->tail] ;
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GPIOR2 = ptr->data[ptr->tail+1] ;
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ptr->tail = ( ptr->tail + 2 ) & 0x3F ;
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ptr->tail = ( ptr->tail + 2 ) & 0x7F ;
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GPIOR1 = 10 ;
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}
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else
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