Make Aircopy transfers reliable with ACK/RESEND recovery and leaner FSK handling

This commit is contained in:
Armel FAUVEAU committed 2026-08-25 13:05:20 +02:00
1 parent ce6bf08b23
commit 285f543d46
13 files changed
+322 -389

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+3 -48
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@@ -28,53 +28,8 @@
#define AIRCOPY_BLOCK_SIZE 0x0040u // 64 bytes per AirCopy block
#define AIRCOPY_CHANNELS_PER_BANK 128
#define AIRCOPY_NUM_BANKS MR_CHANNELS_MAX / AIRCOPY_CHANNELS_PER_BANK
#define AIRCOPY_CHANNEL_SIZE 16 // bytes per channel (freq/name)
#define AIRCOPY_BANK_SIZE_BYTES 0x1080u // 0x800 (Freq) + 0x800 (Name) + 0x80 (Attr)
#define AIRCOPY_BAR_WIDTH 120 // Visible width of the progress gauge
// ============================================================================
// Segment write mode
// ============================================================================
/*
* Defines how a segment must be written to EEPROM.
*
* - STRUCT: structured data (frequencies, names)
* - BYTES : raw byte stream (attributes, settings, etc.)
*/
typedef enum {
AIRCOPY_WRITE_STRUCT = 0,
AIRCOPY_WRITE_BYTES = 1,
} AIRCOPY_WriteMode_t;
// ============================================================================
// Transfer segment structure
// ============================================================================
/*
* Describes a contiguous EEPROM region involved in AirCopy.
* The write_mode defines how the RX side must write the data.
*/
typedef struct {
uint16_t start_offset;
uint16_t end_offset;
AIRCOPY_WriteMode_t write_mode;
} AIRCOPY_Segment_t;
// ============================================================================
// Transfer map structure
// ============================================================================
/*
* A transfer map is a collection of segments describing
* one complete AirCopy operation (bank, settings, etc.).
*/
typedef struct {
const AIRCOPY_Segment_t *segments;
uint16_t num_segments;
uint16_t total_blocks;
} AIRCOPY_TransferMap_t;
// ============================================================================
// AirCopy state
// ============================================================================
@@ -82,7 +37,8 @@ typedef struct {
typedef enum {
AIRCOPY_READY = 0,
AIRCOPY_TRANSFER,
AIRCOPY_COMPLETE
AIRCOPY_COMPLETE,
AIRCOPY_FAILED
} AIRCOPY_State_t;
// ============================================================================
@@ -103,8 +59,7 @@ extern uint16_t g_FSK_Buffer[36];
bool AIRCOPY_SendMessage(void);
void AIRCOPY_StorePacket(void);
void AIRCOPY_ProcessKeys(KEY_Code_t Key, bool bKeyPressed, bool bKeyHeld);
const AIRCOPY_TransferMap_t* AIRCOPY_GetCurrentMap(void);
uint8_t AIRCOPY_GetTotalBlocks(void);
// XOR-obfuscate `count` words of g_FSK_Buffer starting at index 1.
// Self-inverse: applying twice restores the original buffer.