gomaomao/DIY-Multiprotocol-TX-Module
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FrSkyD telemetry and serial TX buffer

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pascallanger 2017-02-03 16:49:19 +01:00
parent f81e7cb78a
commit 85f4dbd670
2 changed files with 42 additions and 24 deletions
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2
Multiprotocol/Multiprotocol.ino
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@ -141,7 +141,7 @@ uint8_t pkt[MAX_PKT];//telemetry receiving packets
uint8_t pass = 0; uint8_t pass = 0;
uint8_t pktt[MAX_PKT];//telemetry receiving packets uint8_t pktt[MAX_PKT];//telemetry receiving packets
#ifndef BASH_SERIAL #ifndef BASH_SERIAL
#define TXBUFFER_SIZE 32 #define TXBUFFER_SIZE 64
volatile uint8_t tx_buff[TXBUFFER_SIZE]; volatile uint8_t tx_buff[TXBUFFER_SIZE];
volatile uint8_t tx_head=0; volatile uint8_t tx_head=0;
volatile uint8_t tx_tail=0; volatile uint8_t tx_tail=0;

64
Multiprotocol/Telemetry.ino
View File

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