mirror of
https://github.com/pascallanger/DIY-Multiprotocol-TX-Module.git
synced 2025-07-04 12:37:53 +00:00
278 lines
9.7 KiB
Arduino
278 lines
9.7 KiB
Arduino
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/*
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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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Deviation 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 Deviation. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if defined(J6PRO_CYRF6936_INO)
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#include "iface_cyrf6936.h"
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#define NUM_WAIT_LOOPS (100 / 5) //each loop is ~5us. Do not wait more than 100us
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//For Debug
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//#define NO_SCRAMBLE
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enum J6ProState {
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J6PRO_BIND,
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J6PRO_BIND_01,
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J6PRO_BIND_03_START,
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J6PRO_BIND_03_CHECK,
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J6PRO_BIND_05_1,
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J6PRO_BIND_05_2,
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J6PRO_BIND_05_3,
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J6PRO_BIND_05_4,
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J6PRO_BIND_05_5,
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J6PRO_BIND_05_6,
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J6PRO_CHANSEL,
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J6PRO_CHAN_1,
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J6PRO_CHAN_2,
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J6PRO_CHAN_3,
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J6PRO_CHAN_4,
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};
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static const uint8_t J6Pro_sopcodes[][8] = {
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/* Note these are in order transmitted (LSB 1st) */
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{0x3C, 0x37, 0xCC, 0x91, 0xE2, 0xF8, 0xCC, 0x91},
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{0x9B, 0xC5, 0xA1, 0x0F, 0xAD, 0x39, 0xA2, 0x0F},
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{0xEF, 0x64, 0xB0, 0x2A, 0xD2, 0x8F, 0xB1, 0x2A},
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{0x66, 0xCD, 0x7C, 0x50, 0xDD, 0x26, 0x7C, 0x50},
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{0x5C, 0xE1, 0xF6, 0x44, 0xAD, 0x16, 0xF6, 0x44},
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{0x5A, 0xCC, 0xAE, 0x46, 0xB6, 0x31, 0xAE, 0x46},
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{0xA1, 0x78, 0xDC, 0x3C, 0x9E, 0x82, 0xDC, 0x3C},
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{0xB9, 0x8E, 0x19, 0x74, 0x6F, 0x65, 0x18, 0x74},
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{0xDF, 0xB1, 0xC0, 0x49, 0x62, 0xDF, 0xC1, 0x49},
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{0x97, 0xE5, 0x14, 0x72, 0x7F, 0x1A, 0x14, 0x72},
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{0x82, 0xC7, 0x90, 0x36, 0x21, 0x03, 0xFF, 0x17},
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{0xE2, 0xF8, 0xCC, 0x91, 0x3C, 0x37, 0xCC, 0x91}, //Note: the '03' was '9E' in the Cypress recommended table
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{0xAD, 0x39, 0xA2, 0x0F, 0x9B, 0xC5, 0xA1, 0x0F}, //The following are the same as the 1st 8 above,
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{0xD2, 0x8F, 0xB1, 0x2A, 0xEF, 0x64, 0xB0, 0x2A}, //but with the upper and lower word swapped
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{0xDD, 0x26, 0x7C, 0x50, 0x66, 0xCD, 0x7C, 0x50},
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{0xAD, 0x16, 0xF6, 0x44, 0x5C, 0xE1, 0xF6, 0x44},
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{0xB6, 0x31, 0xAE, 0x46, 0x5A, 0xCC, 0xAE, 0x46},
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{0x9E, 0x82, 0xDC, 0x3C, 0xA1, 0x78, 0xDC, 0x3C},
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{0x6F, 0x65, 0x18, 0x74, 0xB9, 0x8E, 0x19, 0x74},
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};
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const uint8_t bind_sop_code[] = {0x62, 0xdf, 0xc1, 0x49, 0xdf, 0xb1, 0xc0, 0x49};
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const uint8_t data_code[] = {0x02, 0xf9, 0x93, 0x97, 0x02, 0xfa, 0x5c, 0xe3, 0x01, 0x2b, 0xf1, 0xdb, 0x01, 0x32, 0xbe, 0x6f};
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static uint8_t stateJ6P;
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static uint8_t radio_ch[4];
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static uint8_t num_channels;
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void J6Pro_build_bind_packet()
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{
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packet[0] = 0x01; //Packet type
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packet[1] = 0x01; //FIXME: What is this? Model number maybe?
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packet[2] = 0x56; //FIXME: What is this?
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packet[3] = cyrfmfg_id[0];
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packet[4] = cyrfmfg_id[1];
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packet[5] = cyrfmfg_id[2];
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packet[6] = cyrfmfg_id[3];
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packet[7] = cyrfmfg_id[4];
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packet[8] = cyrfmfg_id[5];
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}
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void J6Pro_build_data_packet()
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{
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uint8_t i;
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uint32_t upperbits = 0;
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packet[0] = 0xaa; //FIXME what is this?
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for (i = 0; i < 12; i++) {
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if (i >= num_channels) {
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packet[i+1] = 0xff;
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continue;
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}
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uint32_t value = (uint32_t)Servo_data[i] * 0x200 / PPM_MAX + 0x200;
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if (value < 0)
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value = 0;
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if (value > 0x3ff)
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value = 0x3ff;
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packet[i+1] = value & 0xff;
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upperbits |= (value >> 8) << (i * 2);
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}
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packet[13] = upperbits & 0xff;
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packet[14] = (upperbits >> 8) & 0xff;
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packet[15] = (upperbits >> 16) & 0xff;
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}
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static void J6Pro_cyrf_init()
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{
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/* Initialise CYRF chip */
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CYRF_WriteRegister(CYRF_28_CLK_EN, 0x02);
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CYRF_WriteRegister(CYRF_32_AUTO_CAL_TIME, 0x3c);
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CYRF_WriteRegister(CYRF_35_AUTOCAL_OFFSET, 0x14);
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CYRF_WriteRegister(CYRF_1C_TX_OFFSET_MSB, 0x05);
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CYRF_WriteRegister(CYRF_1B_TX_OFFSET_LSB, 0x55);
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CYRF_WriteRegister(CYRF_0F_XACT_CFG, 0x25);
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CYRF_WriteRegister(CYRF_03_TX_CFG, 0x05 | CYRF_BIND_POWER);
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CYRF_WriteRegister(CYRF_06_RX_CFG, 0x8a);
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CYRF_WriteRegister(CYRF_03_TX_CFG, 0x28 | CYRF_BIND_POWER);
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CYRF_WriteRegister(CYRF_12_DATA64_THOLD, 0x0e);
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CYRF_WriteRegister(CYRF_10_FRAMING_CFG, 0xee);
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CYRF_WriteRegister(CYRF_1F_TX_OVERRIDE, 0x00);
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CYRF_WriteRegister(CYRF_1E_RX_OVERRIDE, 0x00);
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CYRF_ConfigDataCode(data_code, 16);
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CYRF_WritePreamble(0x023333);
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}
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static void J6Pro_cyrf_bindinit()
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{
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/* Use when binding */
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//0.060470# 03 2f
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CYRF_WriteRegister(CYRF_03_TX_CFG, 0x28 | 0x07); //Use max power for binding in case there is no telem module
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CYRF_ConfigRFChannel(0x52);
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CYRF_ConfigSOPCode(bind_sop_code);
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CYRF_ConfigCRCSeed(0x0000);
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CYRF_WriteRegister(CYRF_06_RX_CFG, 0x4a);
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CYRF_WriteRegister(CYRF_05_RX_CTRL, 0x83);
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//0.061511# 13 20
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CYRF_ConfigRFChannel(0x52);
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//0.062684# 0f 05
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CYRF_WriteRegister(CYRF_0F_XACT_CFG, 0x25);
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//0.062792# 0f 05
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CYRF_WriteRegister(CYRF_02_TX_CTRL, 0x40);
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J6Pro_build_bind_packet(); //01 01 e9 49 ec a9 c4 c1 ff
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//CYRF_WriteDataPacketLen(packet, 0x09);
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}
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static void J6Pro_cyrf_datainit()
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{
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/* Use when already bound */
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//0.094007# 0f 05
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uint8_t sop_idx = (0xff & (cyrfmfg_id[0] + cyrfmfg_id[1] + cyrfmfg_id[2] + cyrfmfg_id[3] - cyrfmfg_id[5])) % 19;
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uint16_t crc = (0xff & (cyrfmfg_id[1] - cyrfmfg_id[4] + cyrfmfg_id[5])) |
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((0xff & (cyrfmfg_id[2] + cyrfmfg_id[3] - cyrfmfg_id[4] + cyrfmfg_id[5])) << 8);
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CYRF_WriteRegister(CYRF_0F_XACT_CFG, 0x25);
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CYRF_ConfigSOPCode(J6Pro_sopcodes[sop_idx]);
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CYRF_ConfigCRCSeed(crc);
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}
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static void J6Pro_set_radio_channels()
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{
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//FIXME: Query free channels
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//lowest channel is 0x08, upper channel is 0x4d?
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CYRF_FindBestChannels(radio_ch, 3, 5, 8, 77);
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radio_ch[3] = radio_ch[0];
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}
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static uint16_t j6pro_cb()
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{
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switch(stateJ6P) {
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case J6PRO_BIND:
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J6Pro_cyrf_bindinit();
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stateJ6P = J6PRO_BIND_01;
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//no break because we want to send the 1st bind packet now
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case J6PRO_BIND_01:
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CYRF_ConfigRFChannel(0x52);
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CYRF_SetTxRxMode(TX_EN);
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//0.062684# 0f 05
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CYRF_WriteRegister(CYRF_0F_XACT_CFG, 0x25);
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//0.062684# 0f 05
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CYRF_WriteDataPacketLen(packet, 0x09);
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stateJ6P = J6PRO_BIND_03_START;
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return 3000; //3msec
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case J6PRO_BIND_03_START:
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{
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int i = 0;
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while (! (CYRF_ReadRegister(0x04) & 0x06))
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if(++i > NUM_WAIT_LOOPS)
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break;
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}
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CYRF_ConfigRFChannel(0x53);
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CYRF_SetTxRxMode(RX_EN);
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CYRF_WriteRegister(CYRF_06_RX_CFG, 0x4a);
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CYRF_WriteRegister(CYRF_05_RX_CTRL, 0x83);
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stateJ6P = J6PRO_BIND_03_CHECK;
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return 30000; //30msec
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case J6PRO_BIND_03_CHECK:
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{
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uint8_t rx = CYRF_ReadRegister(CYRF_07_RX_IRQ_STATUS);
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if((rx & 0x1a) == 0x1a) {
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rx = CYRF_ReadRegister(CYRF_0A_RX_LENGTH);
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if(rx == 0x0f) {
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rx = CYRF_ReadRegister(CYRF_09_RX_COUNT);
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if(rx == 0x0f) {
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//Expected and actual length are both 15
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CYRF_ReadDataPacketLen(packet, rx);
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if (packet[0] == 0x03 &&
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packet[3] == cyrfmfg_id[0] &&
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packet[4] == cyrfmfg_id[1] &&
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packet[5] == cyrfmfg_id[2] &&
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packet[6] == cyrfmfg_id[3] &&
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packet[7] == cyrfmfg_id[4] &&
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packet[8] == cyrfmfg_id[5])
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{
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//Send back Ack
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packet[0] = 0x05;
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CYRF_ConfigRFChannel(0x54);
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CYRF_SetTxRxMode(TX_EN);
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stateJ6P = J6PRO_BIND_05_1;
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return 2000; //2msec
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}
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}
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}
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}
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stateJ6P = J6PRO_BIND_01;
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return 500;
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}
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case J6PRO_BIND_05_1:
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case J6PRO_BIND_05_2:
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case J6PRO_BIND_05_3:
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case J6PRO_BIND_05_4:
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case J6PRO_BIND_05_5:
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case J6PRO_BIND_05_6:
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CYRF_WriteRegister(CYRF_0F_XACT_CFG, 0x25);
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CYRF_WriteDataPacketLen(packet, 0x0f);
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stateJ6P = stateJ6P + 1;
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return 4600; //4.6msec
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case J6PRO_CHANSEL:
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BIND_DONE;
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J6Pro_set_radio_channels();
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J6Pro_cyrf_datainit();
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stateJ6P = J6PRO_CHAN_1;
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case J6PRO_CHAN_1:
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//Keep transmit power updated
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CYRF_SetPower(CYRF_HIGH_POWER);
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J6Pro_build_data_packet();
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//return 3400;
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case J6PRO_CHAN_2:
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//return 3500;
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case J6PRO_CHAN_3:
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//return 3750
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case J6PRO_CHAN_4:
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CYRF_ConfigRFChannel(radio_ch[stateJ6P - J6PRO_CHAN_1]);
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CYRF_SetTxRxMode(TX_EN);
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CYRF_WriteDataPacket(packet);
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if (stateJ6P == J6PRO_CHAN_4) {
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stateJ6P = J6PRO_CHAN_1;
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return 13900;
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}
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stateJ6P = stateJ6P + 1;
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return 3550;
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}
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return 0;
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}
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static uint16_t j6pro_setup()
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{
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CYRF_Reset();
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J6Pro_cyrf_init();
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num_channels = 8;
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if (IS_AUTOBIND_FLAG_on) {
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stateJ6P = J6PRO_BIND;
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BIND_IN_PROGRESS;
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} else {
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stateJ6P = J6PRO_CHANSEL;
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}
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return 2400;
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}
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#endif
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