gomaomao/DIY-Multiprotocol-TX-Module
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SPORT polling

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This commit is contained in:
Pascal Langer 2017-12-01 17:55:24 +01:00
parent dc9b84ea8b
commit 7debad6c67
6 changed files with 265 additions and 23 deletions
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25
Multiprotocol/FrSkyX_cc2500.ino
View File

@ -1,4 +1,3 @@
/* **************************
* By Midelic on RCGroups *
**************************
@ -164,6 +163,30 @@ static void __attribute__((unused)) frskyX_data_frame()
uint8_t limit = (sub_protocol & 2 ) ? 31 : 28 ;
for (uint8_t i=22;i<limit;i++)
packet[i]=0;
#if defined SPORT_POLLING
uint8_t idxs=0;
if(ok_to_send)
for (uint8_t i=23;i<limit;i++)
{//
if(sport_index==sport_idx)
{//no new data
ok_to_send=false;
break;
}
packet[i]=SportData[sport_index];
sport_index= (sport_index+1)& (MAX_SPORT_BUFFER-1);
idxs++;
}
packet[22]= idxs;
#ifdef SERIAL_DEBUG
for(uint8_t i=0;i<idxs;i++)
{
Serial.print(packet[23+i],HEX);
Serial.print(" ");
}
Serial.println(" ");
#endif
#endif // SPORT_POLLING
uint16_t lcrc = crc_x(&packet[3], limit-3);
packet[limit++]=lcrc>>8;//high byte

2
Multiprotocol/Multiprotocol.h
View File

@ -19,7 +19,7 @@
#define VERSION_MAJOR 1
#define VERSION_MINOR 1
#define VERSION_REVISION 6
#define VERSION_PATCH_LEVEL 37
#define VERSION_PATCH_LEVEL 38
//******************
// Protocols
//******************

14
Multiprotocol/Multiprotocol.ino
View File

@ -194,6 +194,13 @@ uint8_t pkt[MAX_PKT];//telemetry receiving packets
uint8_t telemetry_link=0;
uint8_t telemetry_counter=0;
uint8_t telemetry_lost;
#ifdef SPORT_POLLING
#define MAX_SPORT_BUFFER 64
uint8_t SportData[MAX_SPORT_BUFFER];
bool ok_to_send = false;
uint8_t sport_idx = 0;
uint8_t sport_index = 0;
#endif
#endif // TELEMETRY
// Callback
@ -670,7 +677,9 @@ inline void tx_resume()
{
#ifdef TELEMETRY
// Resume telemetry by enabling transmitter interrupt
#ifndef SPORT_POLLING
if(!IS_TX_PAUSE_on)
#endif
{
#ifdef ORANGE_TX
cli() ;
@ -1195,8 +1204,9 @@ void modules_reset()
USART2_BASE->CR1 |= USART_CR1_PCE_BIT;
}
usart3_begin(100000,SERIAL_8E2);
USART3_BASE->CR1 &= ~ USART_CR1_RE; //disable
#ifndef SPORT_POLLING
USART3_BASE->CR1 &= ~ USART_CR1_RE; //disable
#endif
USART2_BASE->CR1 &= ~ USART_CR1_TE; //disable transmit
#else
//ATMEGA328p

237
Multiprotocol/Telemetry.ino
View File

@ -48,6 +48,18 @@ uint8_t RetrySequence ;
// Store for FrskyX telemetry
struct t_fx_rx_frame FrskyxRxFrames[4] ;
uint8_t NextFxFrameToForward ;
#ifdef SPORT_POLLING
uint8_t sport_rx_index[28] ;
uint8_t ukindex ;
uint8_t kindex ;
uint8_t TxData[2];
uint8_t SportIndexPolling;
uint8_t RxData[16] ;
volatile uint8_t RxIndex=0 ;
uint8_t sport_bytes=0;
uint8_t skipped_id;
uint8_t rx_counter=0;
#endif
#endif // SPORT_TELEMETRY
#if defined HUB_TELEMETRY
@ -433,13 +445,15 @@ pkt[6]|(counter++)|00 01 02 03 04 05 06 07 08 09
0x34 0x0A 0xC3 0x56 0xF3
*/
#if defined SPORT_POLLING || defined MULTI_TELEMETRY
const uint8_t PROGMEM Indices[] = { 0x00, 0xA1, 0x22, 0x83, 0xE4, 0x45,
0xC6, 0x67, 0x48, 0xE9, 0x6A, 0xCB,
0xAC, 0x0D, 0x8E, 0x2F, 0xD0, 0x71,
0xF2, 0x53, 0x34, 0x95, 0x16, 0xB7,
0x98, 0x39, 0xBA, 0x1B } ;
#endif
#ifdef MULTI_TELEMETRY
const uint8_t PROGMEM Indices[] = { 0x00, 0xA1, 0x22, 0x83, 0xE4, 0x45,
0xC6, 0x67, 0x48, 0xE9, 0x6A, 0xCB,
0xAC, 0x0D, 0x8E, 0x2F, 0xD0, 0x71,
0xF2, 0x53, 0x34, 0x95, 0x16, 0xB7,
0x98, 0x39, 0xBA, 0x1B } ;
void sportSend(uint8_t *p)
{
multi_send_header(MULTI_TELEMETRY_SPORT, 9);
@ -489,8 +503,158 @@ pkt[6]|(counter++)|00 01 02 03 04 05 06 07 08 09
}
}
}
#endif
#if defined SPORT_POLLING
uint8_t nextID()
{
uint8_t i ;
uint8_t poll_idx ;
if (phase)
{
poll_idx = 99 ;
for ( i = 0 ; i < 28 ; i++ )
{
if ( sport_rx_index[kindex] )
{
poll_idx = kindex ;
}
kindex++ ;
if ( kindex>= 28 )
{
kindex = 0 ;
phase = 0 ;
break ;
}
if ( poll_idx != 99 )
{
break ;
}
}
if ( poll_idx != 99 )
{
return poll_idx ;
}
}
if ( phase == 0 )
{
for ( i = 0 ; i < 28 ; i++ )
{
if ( sport_rx_index[ukindex] == 0 )
{
poll_idx = ukindex ;
phase = 1 ;
}
ukindex++;
if (ukindex >= 28 )
{
ukindex = 0 ;
}
if ( poll_idx != 99 )
{
return poll_idx ;
}
}
if ( poll_idx == 99 )
{
phase = 1 ;
return 0 ;
}
}
return poll_idx ;
}
void pollSport()
{
uint8_t pindex = nextID() ;
TxData[0] = START_STOP;
TxData[1] = pgm_read_byte_near(&Indices[pindex]) ;
if(!telemetry_lost && ((TxData[1] &0x1F)== skipped_id ||TxData[1]==0x98))
{//98 ID(RSSI/RxBat and SWR ) and ID's from sport telemetry
pindex = nextID() ;
TxData[1] = pgm_read_byte_near(&Indices[pindex]);
}
SportIndexPolling = pindex ;
RxIndex = 0;
Serial_write(TxData[0]);
Serial_write(TxData[1]);
}
bool checkSportPacket()
{
uint8_t *packet = RxData ;
uint16_t crc = 0 ;
if ( RxIndex < 8 )
return 0 ;
for ( uint8_t i = 0 ; i<8 ; i += 1 )
{
crc += packet[i];
crc += crc >> 8;
crc &= 0x00ff;
}
return (crc == 0x00ff) ;
}
uint8_t unstuff()
{
uint8_t i ;
uint8_t j ;
j = 0 ;
for ( i = 0 ; i < RxIndex ; i += 1 )
{
if ( RxData[i] == BYTESTUFF )
{
i += 1 ;
RxData[j] = RxData[i] ^ STUFF_MASK ; ;
}
else
RxData[j] = RxData[i] ;
j += 1 ;
}
return j ;
}
void processSportData(uint8_t *p)
{
RxIndex = unstuff() ;
uint8_t x=checkSportPacket() ;
if (x)
{
SportData[sport_idx]=0x7E;
sport_idx =(sport_idx+1) & (MAX_SPORT_BUFFER-1);
SportData[sport_idx]=TxData[1]&0x1F;
sport_idx =(sport_idx+1) & (MAX_SPORT_BUFFER-1);
for(uint8_t i=0;i<(RxIndex-1);i++)
{//no crc
if(p[i]==START_STOP || p[i]==BYTESTUFF)
{//stuff back
SportData[sport_idx]=BYTESTUFF;
sport_idx =(sport_idx+1) & (MAX_SPORT_BUFFER-1);
SportData[sport_idx]=p[i]^STUFF_MASK;
}
else
SportData[sport_idx]=p[i];
sport_idx =(sport_idx+1) & (MAX_SPORT_BUFFER-1);
}
sport_rx_index[SportIndexPolling] = 1 ;
ok_to_send=true;
RxIndex =0 ;
}
}
inline void rx_pause()
{
USART3_BASE->CR1 &= ~ USART_CR1_RXNEIE; //disable rx interrupt on USART3
}
inline void rx_resume()
{
USART3_BASE->CR1 |= USART_CR1_RXNEIE; //enable rx interrupt on USART3
}
#endif//end SPORT_POLLING
void sportIdle()
{
#if !defined MULTI_TELEMETRY
@ -500,11 +664,18 @@ void sportIdle()
void sportSendFrame()
{
#if defined SPORT_POLLING
rx_pause();
#endif
uint8_t i;
sport_counter = (sport_counter + 1) %36;
if(telemetry_lost)
{
sportIdle();
#ifdef SPORT_POLLING
pollSport();
#else
sportIdle();
#endif
return;
}
if(sport_counter<6)
@ -542,6 +713,9 @@ void sportSendFrame()
for (i=0;i<FRSKY_SPORT_PACKET_SIZE;i++)
frame[i]=pktx1[i];
sport -= 1 ;
#ifdef SPORT_POLLING
skipped_id=frame[0];
#endif
if ( sport )
{
uint8_t j = sport * FRSKY_SPORT_PACKET_SIZE ;
@ -552,7 +726,11 @@ void sportSendFrame()
}
else
{
sportIdle();
#ifdef SPORT_POLLING
pollSport();
#else
sportIdle();
#endif
return;
}
}
@ -684,6 +862,9 @@ void TelemetryUpdate()
uint32_t now = micros();
if ((now - last) > SPORT_TIME)
{
#if defined SPORT_POLLING
processSportData(RxData); //process arrived data before polling
#endif
sportSendFrame();
#ifdef STM32_BOARD
last=now;
@ -831,21 +1012,39 @@ void TelemetryUpdate()
#endif
{ // Transmit interrupt
#ifdef STM32_BOARD
#ifdef SPORT_POLLING
if(USART3_BASE->SR & USART_SR_RXNE)
{
USART3_BASE->SR &= ~USART_SR_RXNE;
if (RxIndex < 16 )
{
if(RxData[0]==TxData[0] && RxData[1]==TxData[1])
RxIndex=0;
RxData[RxIndex++] = USART3_BASE->DR & 0xFF ;
}
}
#endif
if(USART3_BASE->SR & USART_SR_TXE)
{
USART3_BASE->SR &= ~USART_SR_TXE;
#endif
if(tx_head!=tx_tail)
{
if(++tx_tail>=TXBUFFER_SIZE)//head
tx_tail=0;
#ifdef STM32_BOARD
USART3_BASE->DR=tx_buff[tx_tail];//clears TXE bit
#else
UDR0=tx_buff[tx_tail];
#endif
}
if (tx_tail == tx_head)
tx_pause(); // Check if all data is transmitted . if yes disable transmitter UDRE interrupt
if(tx_head!=tx_tail)
{
if(++tx_tail>=TXBUFFER_SIZE)//head
tx_tail=0;
#ifdef STM32_BOARD
USART3_BASE->DR=tx_buff[tx_tail];//clears TXE bit
#else
UDR0=tx_buff[tx_tail];
#endif
}
if (tx_tail == tx_head)
{
tx_pause(); // Check if all data is transmitted . if yes disable transmitter UDRE interrupt
#ifdef SPORT_POLLING
rx_resume();
#endif
}
#ifdef STM32_BOARD
}
#endif

4
Multiprotocol/Validate.h
View File

@ -137,6 +137,10 @@
#endif
#endif
#if not defined (SPORT_TELEMETRY) || not defined (STM32_BOARD)
#undef SPORT_POLLING
#endif
//Make sure TX is defined correctly
#ifndef AILERON
#error You must select a correct channel order.

6
Multiprotocol/_Config.h
View File

@ -229,6 +229,12 @@ const int8_t AFHDS2AFailsafe[14]= {
#define HUBSAN_HUB_TELEMETRY // Use FrSkyD Hub format to send telemetry to TX
#define CABELL_HUB_TELEMETRY // Use FrSkyD Hub format to send telemetry to TX
//SPORT_POLLING is an implementation of the same polling routine as XJT module for sport telemetry bidirectional communication.
//This is useful for passing sport control frames from Tx to rx(ex: changing Betaflight PID or VTX channels on the fly using LUA scripts with OpentX).
//Using this feature on turnigy 9XR_PRO requires uncomment INVERT_TELEMETRY as this TX output on telemetry pin only inverted signal.
//!This is a work in progress!
//#define SPORT_POLLING
/****************************/
/*** SERIAL MODE SETTINGS ***/
/****************************/