Added k-line files from 1.9 version, works until dfi

2026-03-30 21:33:37 +02:00
parent c9c2abb4a6
commit b43177774e
13 changed files with 2001 additions and 18 deletions
--- a/Core/Kline_Libs/IKW1281Connection.h
+++ b/Core/Kline_Libs/IKW1281Connection.h
@@ -0,0 +1,136 @@
+/* IKW1281Connection.h — non-blocking byte-pump + proper timings */
+
+#ifndef INC_IKW1281CONNECTION_H_
+#define INC_IKW1281CONNECTION_H_
+
+#include <string.h>
+#include "stdint.h"
+
+extern uint8_t K_RxData[];
+extern volatile uint8_t rx_done_flag;
+
+#define KLINE_BUFFER_SIZE 20
+#define PACKET_END_EXPECTED 0x03
+
+// === Protocol sizing ===
+#define MAX_PACKET_SIZE 16   // KWP1281 block size
+
+// === Timings (per ISO 9141-2 / KWP1281) ===
+#define KWP_P4_MIN_MS   5U   // tester inter-byte (P4) 5..20 ms
+#define KWP_P4_MAX_MS   20U
+#define KWP_P1_GAP_MS   5U   // ECU inter-byte (P1) target
+
+#define KWP_ECHO_SUPPRESS_MS 3U   // ~3 ms window after TX to drop self-echo
+
+// 5-baud init post-switch delays
+#define KWP_W1_MS  300U  // ECU internal time before 0x55 (20..300 ms allowed)
+#define KWP_W2_MS   10U  // 0x55 -> first keyword (5..20 ms)
+#define KWP_W3_MS   10U  // KW LSB -> KW MSB (0..20 ms)
+
+// RX FIFO
+#define KLINE_RX_FIFO_SZ 64
+
+typedef struct {
+    char client_ident[13];
+    char unk_ident1[11];
+    char soft_info[11];
+    char unk_ident2[11];
+    char unk_ident3[11];
+    char unk_ident4[7];
+} ControllerInfo;
+
+typedef enum {
+    PACKET_CMD_ReadIdent = 0x00,
+    PACKET_CMD_ReadIdentAdress = 0x01,
+    PACKET_CMD_ReadRomEeprom = 0x03,
+    PACKET_CMD_ActuatorTest = 0x04,
+    PACKET_CMD_FaultCodesDelete = 0x05,
+    PACKET_CMD_End = 0x06,
+    PACKET_CMD_FaultCodesRead = 0x07,
+    PACKET_CMD_ACK = 0x09,
+    PACKET_CMD_NAK = 0x0A,
+    PACKET_CMD_SoftwareCoding = 0x10,
+    PACKET_CMD_LoginEeprom = 0x18,
+    PACKET_CMD_ReadEeprom = 0x19,
+    PACKET_CMD_WriteEeprom = 0x1A,
+    PACKET_CMD_Custom = 0x1B,
+    PACKET_CMD_GroupReading = 0x29,
+    PACKET_CMD_Login = 0x2B,
+    PACKET_CMD_GroupReadingResponse = 0xE7,
+    PACKET_CMD_ReadEepromResponse = 0xEF,
+    PACKET_CMD_ActuatorTestResponse = 0xF5,
+    PACKET_CMD_AsciiData = 0xF6,
+    PACKET_CMD_WriteEepromResponse = 0xF9,
+    PACKET_CMD_FaultCodesResponse = 0xFC,
+    PACKET_CMD_ReadRomEepromResponse = 0xFD
+} PacketCommand;
+
+typedef enum {
+    PACKET_TYPE_UNKNOWN = 0,
+    PACKET_TYPE_ACK,
+    PACKET_TYPE_NAK,
+    PACKET_TYPE_ASCII_DATA,
+    PACKET_TYPE_CODING_WSC,
+    PACKET_TYPE_READ_EEPROM_RESPONSE,
+    PACKET_TYPE_READ_ROM_EEPROM_RESPONSE
+} PacketType;
+
+typedef struct {
+    PacketType type;
+    uint8_t title;
+    uint8_t length;
+    uint8_t raw[MAX_PACKET_SIZE];
+    uint8_t isAckNak;
+} ParsedPacket;
+
+#define KLINE_TXBUF_MAX 32  // enough for KWP1281: 2 header + 16 data + 0x03 + margins
+
+// === Non-blocking TX "byte pump" ===
+typedef struct {
+    uint8_t active;
+    const uint8_t *buf;
+    uint16_t len;
+    uint16_t idx;
+    uint8_t append_end;     // append 0x03
+    uint8_t last_tx;
+    uint8_t awaiting_echo;   // waiting for complement
+    uint8_t require_ack;    // expect complement per byte?
+    uint8_t tx_inflight;    // HAL_UART_Transmit_IT in progress
+    uint32_t next_time_ms;  // next earliest send time
+    uint32_t last_tx_done_ms;  // last send time
+
+    uint8_t ibuf[KLINE_TXBUF_MAX];
+    uint8_t using_ibuf;
+} KTxEngine;
+
+extern volatile KTxEngine ktx;
+
+void KLine_BytePump_Init(void);
+void KLine_BytePump_Service(void);
+int  KLine_TxStart(const uint8_t *data, uint16_t len, uint8_t append_end, uint8_t require_ack);
+int  KLine_TxBusy(void);
+
+// RX FIFO helpers
+int  KLine_RxFifo_Pop(uint8_t *out);
+void KLine_OnByteReceived(uint8_t byte);
+
+// Legacy/blocking API (still available)
+void SendPacket(uint8_t* payload, uint8_t length);
+void SendAckPacket(void);
+void WriteByteAndReadAck(uint8_t b);
+void WriteByteRaw(uint8_t b);
+void WriteComplement(uint8_t b);
+
+extern ParsedPacket ReceivePacket(void);
+extern uint8_t ReadByte(void);
+extern uint8_t ReadAndAckByte(void);
+extern void ResetPacketCounter(void);
+extern uint8_t ReadPacketCounter(void);
+extern inline int32_t tick_diff(uint32_t a, uint32_t b);
+
+// Timed reads used by higher layers
+int ReadByte_Tmo(uint32_t ms, uint8_t *out);
+int ReadPacketCounter_Tmo(uint32_t ms, uint8_t *out);
+int ReadAndAckByte_Tmo(uint32_t ms, uint8_t *out);
+
+#endif /* INC_IKW1281CONNECTION_H_ */