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DSM2_SFC try 1

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Servo refresh rate -> frame rate 16.5/11ms
This commit is contained in:
pascallanger 2024-03-26 14:37:26 +01:00
parent 5542e7005d
commit 0f0df176de
3 changed files with 20 additions and 6 deletions
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1
Multiprotocol/DSM_Rx_cyrf6936.ino
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@ -267,6 +267,7 @@ uint16_t DSM_RX_callback()
0x01 => 22ms 1024 DSM2 1 packet => number of channels is <8
0x02 => 22ms 1024 DSM2 2 packets => either a number of channel >7
0x12 => 11ms 2048 DSM2 2 packets => can be any number of channels
0x23 => DX3R DSM2 2 surface packets
0xA2 => 22ms 2048 DSMX 1 packet => number of channels is <8
0xB2 => 11ms 2048 DSMX => can be any number of channels
(0x01 or 0xA2) and num_ch < 7 => 22ms else 11ms

11
Multiprotocol/DSM_cyrf6936.ino
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@ -22,6 +22,8 @@
#define CLONE_BIT_MASK 0x20
#define DSM_BIND_CHANNEL 0x0D //13 This can be any odd channel
#define DSM2_SFC_16500 16500
#define DSM2_SFC_11000 11000
#define DSM2_SFC_PERIOD 16500
//During binding we will send BIND_COUNT packets
@ -94,9 +96,12 @@ static void __attribute__((unused)) DSM_build_bind_packet()
packet[11] = 12;
else
packet[11] = num_ch; // DX5 DSMR sends 0x48...
//packet[11] = 3; // DX3R
if (sub_protocol==DSMR)
packet[12] = 0xa2;
else if (sub_protocol==DSM2_SFC)
packet[12] = 0x23; // DX3R
else if (sub_protocol==DSM2_1F)
packet[12] = num_ch<8?0x01:0x02; // DSM2/1024 1 or 2 packets depending on the number of channels
else if(sub_protocol==DSM2_2F)
@ -389,6 +394,7 @@ uint16_t DSM_callback()
else
telemetry_set_input_sync(DSM2_SFC_PERIOD);
#endif
debugln("22/11 %02X", (option&0x40));
#ifndef MULTI_AIR
if(sub_protocol == DSMR)
CYRF_SetPower(0x08); //Keep transmit power in sync
@ -401,6 +407,11 @@ uint16_t DSM_callback()
case DSM_CH2_WRITE_B:
CYRF_ReadRegister(CYRF_04_TX_IRQ_STATUS); // clear IRQ flags
//debugln_time("");
#ifndef MULTI_AIR
if(sub_protocol==DSM2_SFC)
CYRF_WriteDataPacketLen(packet,2*(num_ch+1));
else
#endif
CYRF_WriteDataPacket(packet);
#if 0
for(uint8_t i=0;i<16;i++)

2
Protocols_Details.md
View File

@ -552,6 +552,8 @@ Surface DSM2 receivers, tested with a SR3100
Extended limits available and no channel mapping. Do not use DSM/AUTO to bind but DSM/2SFC instead.
Servo refresh rate 22/11ms is repurposed to the frame rates 16.5ms(22) and 11ms(11).
CH1|CH2|CH3
---|---|---
STR|THR|AUX1