Add qmodmaster and move udp app to applications

2023-12-04 16:26:09 +01:00
parent 6906abb18d
commit 915abfcc9a
147 changed files with 15978 additions and 0 deletions
--- a/Applications/qModMaster/3rdparty/libmodbus/modbus-private.h
+++ b/Applications/qModMaster/3rdparty/libmodbus/modbus-private.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright © 2010-2012 Stéphane Raimbault <stephane.raimbault@gmail.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#ifndef MODBUS_PRIVATE_H
+#define MODBUS_PRIVATE_H
+
+#ifndef _MSC_VER
+# include <stdint.h>
+# include <sys/time.h>
+#else
+# include "stdint.h"
+# include <time.h>
+typedef int ssize_t;
+#endif
+#include <sys/types.h>
+#include <config.h>
+
+#include "modbus.h"
+
+MODBUS_BEGIN_DECLS
+
+/* It's not really the minimal length (the real one is report slave ID
+ * in RTU (4 bytes)) but it's a convenient size to use in RTU or TCP
+ * communications to read many values or write a single one.
+ * Maximum between :
+ * - HEADER_LENGTH_TCP (7) + function (1) + address (2) + number (2)
+ * - HEADER_LENGTH_RTU (1) + function (1) + address (2) + number (2) + CRC (2)
+ */
+#define _MIN_REQ_LENGTH 12
+
+#define _REPORT_SLAVE_ID 180
+
+#define _MODBUS_EXCEPTION_RSP_LENGTH 5
+
+/* Timeouts in microsecond (0.5 s) */
+#define _RESPONSE_TIMEOUT    500000
+#define _BYTE_TIMEOUT        500000
+
+typedef enum {
+    _MODBUS_BACKEND_TYPE_RTU=0,
+    _MODBUS_BACKEND_TYPE_TCP
+} modbus_backend_type_t;
+
+/*
+ *  ---------- Request     Indication ----------
+ *  | Client | ---------------------->| Server |
+ *  ---------- Confirmation  Response ----------
+ */
+typedef enum {
+    /* Request message on the server side */
+    MSG_INDICATION,
+    /* Request message on the client side */
+    MSG_CONFIRMATION
+} msg_type_t;
+
+/* This structure reduces the number of params in functions and so
+ * optimizes the speed of execution (~ 37%). */
+typedef struct _sft {
+    int slave;
+    int function;
+    int t_id;
+} sft_t;
+
+typedef struct _modbus_backend {
+    unsigned int backend_type;
+    unsigned int header_length;
+    unsigned int checksum_length;
+    unsigned int max_adu_length;
+    int (*set_slave) (modbus_t *ctx, int slave);
+    int (*build_request_basis) (modbus_t *ctx, int function, int addr,
+                                int nb, uint8_t *req);
+    int (*build_response_basis) (sft_t *sft, uint8_t *rsp);
+    int (*prepare_response_tid) (const uint8_t *req, int *req_length);
+    int (*send_msg_pre) (uint8_t *req, int req_length);
+    ssize_t (*send) (modbus_t *ctx, const uint8_t *req, int req_length);
+    int (*receive) (modbus_t *ctx, uint8_t *req);
+    ssize_t (*recv) (modbus_t *ctx, uint8_t *rsp, int rsp_length);
+    int (*check_integrity) (modbus_t *ctx, uint8_t *msg,
+                            const int msg_length);
+    int (*pre_check_confirmation) (modbus_t *ctx, const uint8_t *req,
+                                   const uint8_t *rsp, int rsp_length);
+    int (*connect) (modbus_t *ctx);
+    void (*close) (modbus_t *ctx);
+    int (*flush) (modbus_t *ctx);
+    int (*select) (modbus_t *ctx, fd_set *rset, struct timeval *tv, int msg_length);
+    void (*free) (modbus_t *ctx);
+} modbus_backend_t;
+
+struct _modbus {
+    /* Slave address */
+    int slave;
+    /* Socket or file descriptor */
+    int s;
+    int debug;
+    int error_recovery;
+    struct timeval response_timeout;
+    struct timeval byte_timeout;
+    const modbus_backend_t *backend;
+    void *backend_data;
+};
+
+void _modbus_init_common(modbus_t *ctx);
+void _error_print(modbus_t *ctx, const char *context);
+int _modbus_receive_msg(modbus_t *ctx, uint8_t *msg, msg_type_t msg_type);
+
+#ifndef HAVE_STRLCPY
+size_t strlcpy(char *dest, const char *src, size_t dest_size);
+#endif
+
+MODBUS_END_DECLS
+
+#endif  /* MODBUS_PRIVATE_H */