Forgot important files

app/fskmodem.h

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+//
+// Created by bruno on 25.2.2025.
+//
+
+#ifndef UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H
+#define UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "../driver/bk4819.h"
+#include "../driver/bk4819-regs.h"
+#include "../settings.h"
+#include "stddef.h"
+#include "../driver/system.h"
+#include "../misc.h"
+#include "../app/app.h"
+
+// REG_70 bit definitions
+#define TONE1_ENABLE_BIT      (1U << 15)
+#define TONE1_GAIN_MASK       (0x7FU << 8)
+#define TONE2_ENABLE_BIT      (1U << 7)
+#define TONE2_GAIN_MASK       (0x7FU << 0)
+
+// REG_58 bit definitions
+// FSK Tx Mode Selection (REG_58<15:13>)
+#define FSK_TX_MODE_FSK_1_2K_2_4K  (0U << 13)  // 000
+#define FSK_TX_MODE_FFSK_1200_1800 (1U << 13)  // 001
+#define FSK_TX_MODE_FFSK_1200_2400 (3U << 13)  // 011
+#define FSK_TX_MODE_NOAA_SAME      (5U << 13)  // 101
+
+// FSK Rx Mode Selection (REG_58<12:10>)
+#define FSK_RX_MODE_FSK_1_2K_2_4K_NOAA (0U << 10)  // 000
+#define FSK_RX_MODE_FFSK_1200_1800      (7U << 10)  // 111
+#define FSK_RX_MODE_FFSK_1200_2400      (4U << 10)  // 100
+
+// FSK Rx Gain (REG_58<9:8>)
+#define FSK_RX_GAIN_DEFAULT      (0U << 8)  // 00
+#define FSK_RX_GAIN_TYPE_C       (1U << 8)  // 01
+#define FSK_RX_GAIN_TYPE_B       (2U << 8)  // 10
+#define FSK_UNKNOWN_MASK      (3U << 6)
+// FSK Preamble Type Selection (REG_58<5:4>)
+#define FSK_PREAMBLE_TYPE_AA     (3U << 4)  // 11
+#define FSK_PREAMBLE_TYPE_55     (2U << 4)  // 10
+#define FSK_PREAMBLE_TYPE_UNKNOWN (0U << 4)  // 00
+// FSK Rx Bandwidth Setting (REG_58<3:1>)
+#define FSK_RX_BW_2_4K_FFSK_1200_2400 (4U << 1)  // 100
+#define FSK_RX_BW_1_2K          (0U << 1)  // 000
+#define FSK_RX_BW_FFSK_1200_1800 (1U << 1)  // 001
+#define FSK_RX_BW_NOAA_SAME      (2U << 1)  // 010
+#define FSK_ENABLE_BIT        (1U << 0)
+
+// REG_59 bit definitions
+#define FSK_CLEAR_TX_FIFO     (1U << 15)
+#define FSK_CLEAR_RX_FIFO     (1U << 14)
+#define FSK_SCRAMBLE_ENABLE   (1U << 13)
+#define FSK_RX_ENABLE         (1U << 12)
+#define FSK_TX_ENABLE         (1U << 11)
+#define FSK_INVERT_RX         (1U << 10)
+#define FSK_INVERT_TX         (1U << 9)
+#define FSK_PREAMBLE_LEN_MASK (15U << 4)
+#define FSK_SYNC_LEN_BIT      (1U << 3)
+
+//#define FSK_SYNC_BYTE0 0x30
+//#define FSK_SYNC_BYTE1 0x72
+//#define FSK_SYNC_BYTE2 0x57
+//#define FSK_SYNC_BYTE3 0x6c
+
+#define FSK_SYNC_BYTE0 0x42
+#define FSK_SYNC_BYTE1 0x52
+#define FSK_SYNC_BYTE2 0x4E
+#define FSK_SYNC_BYTE3 0x51
+
+#define FSK_CRC_ON (1U << 6)
+#define FSK_CRC_OFF (0U << 6)
+
+#define DataPacketDataSize (36)
+
+typedef struct {
+    uint32_t dest;
+    uint32_t src;
+    uint8_t seq;
+    uint8_t flags;
+    uint8_t data[DataPacketDataSize];
+} DataPacket;
+
+void prepareDataPacket();
+
+void MSG_FSKSendData();
+
+void MSG_EnableRX(bool enable);
+
+extern DataPacket dataPacket;
+
+extern DataPacket inBoundPacket;
+
+typedef enum {
+    SMS_NOT_ENTERING,
+    SMS_ENTERING_DEST,
+    SMS_ENTERING_MESSAGE
+} SMSEnteringState;
+
+extern SMSEnteringState gEnteringSMS;
+
+extern uint8_t *dataPTR;
+
+#endif //UV_K5_FIRMWARE_CUSTOM_FSKMODEM_H