Bruno Rybársky
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121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
//
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// Created by bruno on 25.2.2025.
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//
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#ifndef UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H
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#define UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "../driver/bk4819.h"
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#include "../driver/bk4819-regs.h"
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#include "../settings.h"
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#include "stddef.h"
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#include "../driver/system.h"
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#include "../misc.h"
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#include "../app/app.h"
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#include <string.h>
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#include "../audio.h"
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#include <stdio.h>
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#include "../ui/helper.h"
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#include "../ui/main.h"
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// REG_70 bit definitions
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#define TONE1_ENABLE_BIT (1U << 15)
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#define TONE1_GAIN_MASK (0x7FU << 8)
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#define TONE2_ENABLE_BIT (1U << 7)
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#define TONE2_GAIN_MASK (0x7FU << 0)
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// REG_58 bit definitions
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// FSK Tx Mode Selection (REG_58<15:13>)
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#define FSK_TX_MODE_FSK_1_2K_2_4K (0U << 13) // 000
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#define FSK_TX_MODE_FFSK_1200_1800 (1U << 13) // 001
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#define FSK_TX_MODE_FFSK_1200_2400 (3U << 13) // 011
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#define FSK_TX_MODE_NOAA_SAME (5U << 13) // 101
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// FSK Rx Mode Selection (REG_58<12:10>)
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#define FSK_RX_MODE_FSK_1_2K_2_4K_NOAA (0U << 10) // 000
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#define FSK_RX_MODE_FFSK_1200_1800 (7U << 10) // 111
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#define FSK_RX_MODE_FFSK_1200_2400 (4U << 10) // 100
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// FSK Rx Gain (REG_58<9:8>)
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#define FSK_RX_GAIN_DEFAULT (0U << 8) // 00
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#define FSK_RX_GAIN_TYPE_C (1U << 8) // 01
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#define FSK_RX_GAIN_TYPE_B (2U << 8) // 10
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#define FSK_UNKNOWN_MASK (3U << 6)
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// FSK Preamble Type Selection (REG_58<5:4>)
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#define FSK_PREAMBLE_TYPE_AA (3U << 4) // 11
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#define FSK_PREAMBLE_TYPE_55 (2U << 4) // 10
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#define FSK_PREAMBLE_TYPE_UNKNOWN (0U << 4) // 00
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// FSK Rx Bandwidth Setting (REG_58<3:1>)
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#define FSK_RX_BW_2_4K_FFSK_1200_2400 (4U << 1) // 100
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#define FSK_RX_BW_1_2K (0U << 1) // 000
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#define FSK_RX_BW_FFSK_1200_1800 (1U << 1) // 001
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#define FSK_RX_BW_NOAA_SAME (2U << 1) // 010
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#define FSK_ENABLE_BIT (1U << 0)
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// REG_59 bit definitions
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#define FSK_CLEAR_TX_FIFO (1U << 15)
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#define FSK_CLEAR_RX_FIFO (1U << 14)
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#define FSK_SCRAMBLE_ENABLE (1U << 13)
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#define FSK_RX_ENABLE (1U << 12)
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#define FSK_TX_ENABLE (1U << 11)
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#define FSK_INVERT_RX (1U << 10)
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#define FSK_INVERT_TX (1U << 9)
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#define FSK_PREAMBLE_LEN_MASK (15U << 4)
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#define FSK_SYNC_LEN_BIT (1U << 3)
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//#define FSK_SYNC_BYTE0 0x30
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//#define FSK_SYNC_BYTE1 0x72
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//#define FSK_SYNC_BYTE2 0x57
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//#define FSK_SYNC_BYTE3 0x6c
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#define FSK_SYNC_BYTE0 0x42
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#define FSK_SYNC_BYTE1 0x52
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#define FSK_SYNC_BYTE2 0x4E
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#define FSK_SYNC_BYTE3 0x51
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#define FSK_CRC_ON (1U << 6)
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#define FSK_CRC_OFF (0U << 6)
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#define DataPacketDataSize (37)
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#define SEQParameterEEPROM 0x1BD0
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typedef struct {
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uint32_t dest; //4bytes
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uint32_t src; //4bytes
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uint8_t seq; //1bytes
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uint8_t ttl; //1bytes
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uint8_t flags; //1bytes
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uint8_t data[DataPacketDataSize];
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} DataPacket;
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void prepareDataPacket();
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void MSG_FSKSendData(DataPacket *dataPacketIn);
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void MSG_EnableRX(bool enable);
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void processReceivedPacket(DataPacket *packet);
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uint16_t calculateCRC(uint8_t *data, size_t length);
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bool MSG_FSKReceiveData();
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extern DataPacket dataPacket;
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extern DataPacket inBoundPacket;
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typedef enum {
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SMS_NOT_ENTERING,
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SMS_ENTERING_DEST,
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SMS_ENTERING_MESSAGE
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} SMSEnteringState;
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extern SMSEnteringState gEnteringSMS;
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extern uint8_t *dataPTR;
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void FSK_HANDLE_IRQ(unsigned short irq);
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#endif //UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H
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