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https://github.com/pascallanger/DIY-Multiprotocol-TX-Module.git
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DSM2: Option enables the selection of the number of channels
- 0 : 4 channels @22ms - 1 : 5 channels @22ms - 2 : 6 channels @22ms - 3 : 7 channels @22ms - 4 : 4 channels @11ms - 5 : 5 channels @11ms - 6 : 6 channels @11ms - 7 : 7 channels @11ms - 8 : 8 channels @22ms - 9 : 9 channels @22ms - 10 : 10 channels @22ms - 11 : 11 channels @22ms - 12 : 12 channels @22ms
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pascallanger
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@ -17,7 +17,6 @@
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#include "iface_cyrf6936.h"
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#define DSM2_NUM_CHANNELS 7
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#define RANDOM_CHANNELS 0 // disabled
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//#define RANDOM_CHANNELS 1 // enabled
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#define BIND_CHANNEL 0x0d //13 This can be any odd channel
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@ -132,15 +131,11 @@ static void __attribute__((unused)) build_bind_packet()
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packet[8] = sum >> 8;
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packet[9] = sum & 0xff;
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packet[10] = 0x01; //???
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packet[11] = DSM2_NUM_CHANNELS;
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packet[11] = option>3?option:option+4;
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if(sub_protocol==DSMX) //DSMX type
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packet[12] = 0xb2; // Telemetry off: packet[12] = num_channels < 8 && Model.proto_opts[PROTOOPTS_TELEMETRY] == TELEM_OFF ? 0xa2 : 0xb2;
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else
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#if DSM2_NUM_CHANNELS < 8
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packet[12] = 0x01;
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#else
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packet[12] = 0x02;
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#endif
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packet[12] = option<8?0x01:0x02;
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packet[13] = 0x00; //???
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for(i = 8; i < 14; i++)
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sum += packet[i];
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@ -166,34 +161,38 @@ static uint8_t __attribute__((unused)) PROTOCOL_SticksMoved(uint8_t init)
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static void __attribute__((unused)) build_data_packet(uint8_t upper)//
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{
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#if DSM2_NUM_CHANNELS==4
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const uint8_t ch_map[] = {0, 1, 2, 3, 0xff, 0xff, 0xff}; //Guess
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#elif DSM2_NUM_CHANNELS==5
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const uint8_t ch_map[] = {0, 1, 2, 3, 4, 0xff, 0xff}; //Guess
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#elif DSM2_NUM_CHANNELS==6
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const uint8_t ch_map[] = {1, 5, 2, 3, 0, 4, 0xff}; //HP6DSM
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#elif DSM2_NUM_CHANNELS==7
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const uint8_t ch_map[] = {1, 5, 2, 4, 3, 6, 0}; //DX6i
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#elif DSM2_NUM_CHANNELS==8
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const uint8_t ch_map[] = {1, 5, 2, 3, 6, 0xff, 0xff, 4, 0, 7, 0xff, 0xff, 0xff, 0xff}; //DX8
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#elif DSM2_NUM_CHANNELS==9
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const uint8_t ch_map[] = {3, 2, 1, 5, 0, 4, 6, 7, 8, 0xff, 0xff, 0xff, 0xff, 0xff}; //DM9
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#elif DSM2_NUM_CHANNELS==10
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const uint8_t ch_map[] = {3, 2, 1, 5, 0, 4, 6, 7, 8, 9, 0xff, 0xff, 0xff, 0xff};
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#elif DSM2_NUM_CHANNELS==11
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const uint8_t ch_map[] = {3, 2, 1, 5, 0, 4, 6, 7, 8, 9, 10, 0xff, 0xff, 0xff};
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#elif DSM2_NUM_CHANNELS==12
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const uint8_t ch_map[] = {3, 2, 1, 5, 0, 4, 6, 7, 8, 9, 10, 11, 0xff, 0xff};
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#endif
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uint8_t i;
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uint8_t bits;
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uint8_t ch_map[] = {3, 2, 1, 5, 0, 4, 6, 7, 8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; //9 Channels - DM9 TX
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switch(option>3?option:option+4) // Create channel map based on number of channels
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{
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case 12:
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ch_map[11]=11; // 12 channels
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case 11:
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ch_map[10]=10; // 11 channels
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case 10:
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ch_map[9]=9; // 10 channels
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break;
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case 8:
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memcpy(ch_map,"\x01\x05\x02\x03\x06\xFF\xFF\x04\x00\x07",10); // 8 channels - DX8 TX
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break;
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case 7:
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memcpy(ch_map,"\x01\x05\x02\x04\x03\x06\x00",7); // 7 channels - DX6i TX
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break;
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case 6:
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memcpy(ch_map,"\x01\x05\x02\x03\x00\x04\xFF",7); // 6 channels - HP6DSM TX
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break;
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case 4:
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case 5:
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memcpy(ch_map,"\x00\x01\x02\x03\xFF\xFF\xFF",7); // 4 channels - Guess
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if(option&0x01)
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ch_map[4]=4; // 5 channels - Guess
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break;
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}
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//
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if( binding && PROTOCOL_SticksMoved(0) )
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{
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//BIND_DONE;
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binding = 0;
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}
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if (sub_protocol==DSMX)
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{
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packet[0] = cyrfmfg_id[2];
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@ -463,12 +462,16 @@ uint16_t ReadDsm2()
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set_sop_data_crc();
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if (cyrf_state == DSM2_CH2_CHECK_A)
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{
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#if DSM2_NUM_CHANNELS < 8
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cyrf_state = DSM2_CH1_WRITE_A; // change from CH2_CHECK_A to CH1_WRITE_A (ie no upper)
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return 11000 - CH1_CH2_DELAY - WRITE_DELAY ; // Original is 22000 from deviation but it works better this way
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#else
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cyrf_state = DSM2_CH1_WRITE_B; // change from CH2_CHECK_A to CH1_WRITE_A (to transmit upper)
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#endif
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if(option < 8)
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{
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cyrf_state = DSM2_CH1_WRITE_A; // change from CH2_CHECK_A to CH1_WRITE_A (ie no upper)
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if(option>3)
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return 11000 - CH1_CH2_DELAY - WRITE_DELAY ; // force 11ms if option>3 ie 4,5,6,7 channels @11ms
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else
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return 22000 - CH1_CH2_DELAY - WRITE_DELAY ; // normal 22ms mode if option<=3 ie 4,5,6,7 channels @22ms
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}
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else
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cyrf_state = DSM2_CH1_WRITE_B; // change from CH2_CHECK_A to CH1_WRITE_A (to transmit upper)
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}
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else
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cyrf_state = DSM2_CH1_WRITE_A; // change from CH2_CHECK_B to CH1_WRITE_A (upper already transmitted so transmit lower)
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@ -64,10 +64,10 @@ const PPM_Parameters PPM_prot[15]= {
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// Dial Protocol Sub protocol RX_Num Power Auto Bind Option
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/* 1 */ {MODE_FLYSKY, Flysky , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 2 */ {MODE_HUBSAN, 0 , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 3 */ {MODE_FRSKY , 0 , 0 , P_HIGH , NO_AUTOBIND , 0xD7 },
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/* 3 */ {MODE_FRSKY , 0 , 0 , P_HIGH , NO_AUTOBIND , 0xD7 }, // D7 fine tuning
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/* 4 */ {MODE_HISKY , Hisky , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 5 */ {MODE_V2X2 , 0 , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 6 */ {MODE_DSM2 , DSM2 , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 6 */ {MODE_DSM2 , DSM2 , 0 , P_HIGH , NO_AUTOBIND , 6 }, // 6 channels @ 11ms
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/* 7 */ {MODE_DEVO , 0 , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 8 */ {MODE_YD717 , YD717 , 0 , P_HIGH , NO_AUTOBIND , 0 },
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/* 9 */ {MODE_KN , WLTOYS , 0 , P_HIGH , NO_AUTOBIND , 0 },
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@ -83,11 +83,27 @@ CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8
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##DSM2
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Extended limits supported
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7 channels @11ms
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option=number of channels and frame rate:
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- 0 : 4 channels @22ms
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- 1 : 5 channels @22ms
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- 2 : 6 channels @22ms
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- 3 : 7 channels @22ms
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CH1|CH2|CH3|CH4|CH5|CH6|CH7
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---|---|---|---|---|---|---
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A|E|T|R|CH5|CH6|CH7
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- 4 : 4 channels @11ms
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- 5 : 5 channels @11ms
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- 6 : 6 channels @11ms
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- 7 : 7 channels @11ms
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- 8 : 8 channels @22ms
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- 9 : 9 channels @22ms
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- 10 : 10 channels @22ms
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- 11 : 11 channels @22ms
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- 12 : 12 channels @22ms
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6 is usually giving the best results with most of the RX.
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CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8|CH9|CH10|CH11|CH12
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---|---|---|---|---|---|---|---|---|----|----|----
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A|E|T|R|CH5|CH6|CH7|CH8|CH9|CH10|CH11|CH12
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###Sub_protocol DSMX
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Same as above
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@ -124,7 +124,7 @@ Dial|Protocol|Sub_protocol|RX Num|Power|Auto Bind|Option|RF Module
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3|FRSKY|-|0|High|No|-41|CC2500
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4|HISKY|Hisky|0|High|No|0|NRF24L01
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5|V2X2|-|0|High|No|0|NRF24L01
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6|DSM2|DSM2|0|High|No|0|CYRF6936
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6|DSM2|DSM2|0|High|No|6|CYRF6936
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7|DEVO|-|0|High|No|0|CYRF6936
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8|YD717|YD717|0|High|No|0|NRF24L01
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9|KN|WLTOYS|0|High|No|0|NRF24L01
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