mirror of
https://github.com/pascallanger/DIY-Multiprotocol-TX-Module.git
synced 2025-03-17 06:29:10 +00:00
97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
/*
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This project is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Multiprotocol is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Multiprotocol. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if defined(WL91X_CCNRF_INO)
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#include "iface_xn297.h"
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//#define FORCE_WL91X_ORIGINAL_ID
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#define WL91X_PAYLOAD_SIZE 9
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#define WL91X_RF_NUM_CHANNELS 3
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#define WL91X_PACKET_PERIOD 2594
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static void __attribute__((unused)) WL91X_send_packet()
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{
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uint8_t val;
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//RF freq
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XN297_Hopping(hopping_frequency_no++);
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hopping_frequency_no %= WL91X_RF_NUM_CHANNELS;
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//Sticks
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val = convert_channel_16b_limit(CH2,0x21,0xE0); //THR forward 00..5F, backward 80..DF
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if(val < 128) val = 127 - val;
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packet[0] = val - 0x80;
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val = convert_channel_s8b(CH1); //ST right 00..7F, left 80..FF
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packet[1] = val - 0x80;
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//Trims
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val = convert_channel_s8b(CH3); //ST_Trim centered=80, increment/decrement=4, right 04..7C, left 84..FC
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packet[2] = val - 0x80;
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packet[3] = convert_channel_16b_limit(CH4,0x00,0x70); //TH_Trim increment/decrement=3, 00..39..6F
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//TX_ID
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memcpy(&packet[4], rx_tx_addr, 4);
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//Checksum
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val = 0;
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for(uint8_t i=0; i<WL91X_PAYLOAD_SIZE-1; i++)
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val += packet[i];
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packet[8] = val;
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//Send
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XN297_SetPower();
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XN297_SetFreqOffset();
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XN297_SetTxRxMode(TX_EN);
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XN297_WritePayload(packet, WL91X_PAYLOAD_SIZE);
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#ifdef DEBUG_SERIAL
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for(uint8_t i=0; i < WL91X_PAYLOAD_SIZE; i++)
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debug("%02X ", packet[i]);
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debugln();
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#endif
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}
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static void __attribute__((unused)) WL91X_RF_init()
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{
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XN297_Configure(XN297_CRCEN, XN297_UNSCRAMBLED, XN297_250K);
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XN297_HoppingCalib(WL91X_RF_NUM_CHANNELS);
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XN297_SetTXAddr((uint8_t*)"\x46\x14\x7B\x08", 4);
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}
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static void __attribute__((unused)) WL91X_initialize_txid()
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{
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#ifdef FORCE_WL91X_ORIGINAL_ID
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memcpy(rx_tx_addr, (uint8_t*)"\x00\x1E\x33\x02",4);
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#endif
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memcpy(hopping_frequency, (uint8_t*)"\x1A\x3B\x3B",3); //26,59,59
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}
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uint16_t WL91X_callback()
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{
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#ifdef MULTI_SYNC
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telemetry_set_input_sync(WL91X_PACKET_PERIOD);
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#endif
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WL91X_send_packet();
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return WL91X_PACKET_PERIOD;
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}
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void WL91X_init()
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{
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BIND_DONE; //No bind for this protocol
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WL91X_initialize_txid();
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WL91X_RF_init();
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hopping_frequency_no = 0;
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}
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#endif
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