From 9abae50758229e61ae1f8393b2052d9c1c8950fd Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周一, 16 1月 2023 16:50:15 +0800
Subject: [PATCH] Add stdbool.h detection for C++ to cc.h

---
 examples/test-LwIP-netconn/scpi_server.c |   81 ++++++++++++++++++++++++++++++----------
 1 files changed, 60 insertions(+), 21 deletions(-)

diff --git a/examples/test-LwIP-netconn/scpi_server.c b/examples/test-LwIP-netconn/scpi_server.c
index df1ebbf..6147235 100644
--- a/examples/test-LwIP-netconn/scpi_server.c
+++ b/examples/test-LwIP-netconn/scpi_server.c
@@ -90,7 +90,7 @@
     if (context->user_context != NULL) {
         user_data_t * u = (user_data_t *) (context->user_context);
         if (u->io) {
-            return (netconn_write(u->io, data, len, NETCONN_NOCOPY) == ERR_OK) ? len : 0;
+            return (netconn_write(u->io, data, len, NETCONN_COPY) == ERR_OK) ? len : 0;
         }
     }
     return 0;
@@ -108,16 +108,13 @@
 }
 
 int SCPI_Error(scpi_t * context, int_fast16_t err) {
-    (void) context;
-    /* BEEP */
-    iprintf("**ERROR: %ld, \"%s\"\r\n", (int32_t) err, SCPI_ErrorTranslate(err));
+    (void) context;    
     if (err != 0) {
         /* New error */
-        /* Beep */
-        /* Error LED ON */
+        SCPI_Event_ErrorIndicatorOn(context, err);
     } else {
         /* No more errors in the queue */
-        /* Error LED OFF */
+        SCPI_Event_ErrorIndicatorOff(context, err);
     }
     return 0;
 }
@@ -135,13 +132,13 @@
         user_data_t * u = (user_data_t *) (context->user_context);
         if (u->control_io) {
             snprintf(b, sizeof (b), "SRQ%d\r\n", val);
-            return netconn_write(u->control_io, b, strlen(b), NETCONN_NOCOPY) == ERR_OK ? SCPI_RES_OK : SCPI_RES_ERR;
+            return netconn_write(u->control_io, b, strlen(b), NETCONN_COPY) == ERR_OK ? SCPI_RES_OK : SCPI_RES_ERR;
         }
     }
     return SCPI_RES_OK;
 }
 
-scpi_result_t SCPI_Reset(scpi_t * context) {
+scpi_result_t __attribute__((weak)) SCPI_Reset(scpi_t * context) {
     (void) context;
     iprintf("**Reset\r\n");
     return SCPI_RES_OK;
@@ -238,7 +235,7 @@
     }
 }
 
-static int processIoListen(user_data_t * user_data) {
+static int processIoListen(scpi_t * context, user_data_t * user_data) {
     struct netconn *newconn;
 
     if (netconn_accept(user_data->io_listen, &newconn) == ERR_OK) {
@@ -248,7 +245,11 @@
             netconn_delete(newconn);
         } else {
             /* connection established */
-            iprintf("***Connection established %s\r\n", inet_ntoa(newconn->pcb.ip->remote_ip));
+            SCPI_Event_DeviceConnected(context, newconn);
+            ip_set_option(newconn->pcb.tcp, SOF_KEEPALIVE);
+            newconn->pcb.tcp->keep_idle   = SCPI_KEEP_IDLE;  // Override TCP_KEEPIDLE_DEFAULT  for this connection.
+            newconn->pcb.tcp->keep_intvl  = SCPI_KEEP_INTVL; // Override TCP_KEEPINTVL_DEFAULT for this connection.
+            newconn->pcb.tcp->keep_cnt    = SCPI_KEEP_CNT;   // Override TCP_KEEPCNT_DEFAULT   for this connection.
             user_data->io = newconn;
         }
     }
@@ -256,7 +257,7 @@
     return 0;
 }
 
-static int processSrqIoListen(user_data_t * user_data) {
+static int processSrqIoListen(scpi_t * context, user_data_t * user_data) {
     struct netconn *newconn;
 
     if (netconn_accept(user_data->control_io_listen, &newconn) == ERR_OK) {
@@ -265,7 +266,11 @@
             netconn_delete(newconn);
         } else {
             /* control connection established */
-            iprintf("***Control Connection established %s\r\n", inet_ntoa(newconn->pcb.ip->remote_ip));
+            SCPI_Event_ControlConnected(context, newconn);
+            ip_set_option(newconn->pcb.tcp, SOF_KEEPALIVE);
+            newconn->pcb.tcp->keep_idle   = SCPI_KEEP_IDLE;  // Override TCP_KEEPIDLE_DEFAULT  for this connection.
+            newconn->pcb.tcp->keep_intvl  = SCPI_KEEP_INTVL; // Override TCP_KEEPINTVL_DEFAULT for this connection.
+            newconn->pcb.tcp->keep_cnt    = SCPI_KEEP_CNT;   // Override TCP_KEEPCNT_DEFAULT   for this connection.
             user_data->control_io = newconn;
         }
     }
@@ -273,20 +278,20 @@
     return 0;
 }
 
-static void closeIo(user_data_t * user_data) {
+static void closeIo(scpi_t * context, user_data_t * user_data) {
     /* connection closed */
+    SCPI_Event_DeviceDisconnected(context, user_data->io);
     netconn_close(user_data->io);
     netconn_delete(user_data->io);
     user_data->io = NULL;
-    iprintf("***Connection closed\r\n");
 }
 
-static void closeSrqIo(user_data_t * user_data) {
+static void closeSrqIo(scpi_t * context, user_data_t * user_data) {
     /* control connection closed */
+    SCPI_Event_ControlDisconnected(context, user_data->io);
     netconn_close(user_data->control_io);
     netconn_delete(user_data->control_io);
     user_data->control_io = NULL;
-    iprintf("***Control Connection closed\r\n");
 }
 
 static int processIo(user_data_t * user_data) {
@@ -389,19 +394,19 @@
         }
 
         if ((user_data.io_listen != NULL) && (evt.cmd == SCPI_MSG_IO_LISTEN)) {
-            processIoListen(&user_data);
+            processIoListen(&scpi_context, &user_data);
         }
 
         if ((user_data.control_io_listen != NULL) && (evt.cmd == SCPI_MSG_CONTROL_IO_LISTEN)) {
-            processSrqIoListen(&user_data);
+            processSrqIoListen(&scpi_context, &user_data);
         }
 
         if ((user_data.io != NULL) && (evt.cmd == SCPI_MSG_IO)) {
-            processIo(&user_data);
+            processIo(&scpi_context, &user_data);
         }
 
         if ((user_data.control_io != NULL) && (evt.cmd == SCPI_MSG_CONTROL_IO)) {
-            processSrqIo(&user_data);
+            processSrqIo(&scpi_context, &user_data);
         }
 
         if (evt.cmd == SCPI_MSG_SET_ESE_REQ) {
@@ -423,3 +428,37 @@
     xReturned = xTaskCreate(scpi_server_thread, "SCPI", DEFAULT_THREAD_STACKSIZE, NULL, SCPI_THREAD_PRIO, &xHandle);
     LWIP_ASSERT("scpi_server_init failed", xReturned == pdPASS);
 }
+
+/* Called by processIoListen() for additional reporting. Override on demand. */
+void __attribute__((weak)) SCPI_Event_DeviceConnected(scpi_t * context, struct netconn * conn) {
+    iprintf("***Connection established %s\r\n", inet_ntoa(newconn->pcb.ip->remote_ip));
+    /* Remote or Eth LED ON */
+}
+
+/* Called by closeIO() for additional reporting. Override on demand. */
+void __attribute__((weak)) SCPI_Event_DeviceDisconnected(scpi_t * context, struct netconn * conn) {
+    iprintf("***Connection closed\r\n");
+    /* Remote or Eth LED OFF */
+}
+
+/* Called by processIoListen() for additional reporting. Override on demand. */
+void __attribute__((weak)) SCPI_Event_ControlConnected(scpi_t * context, struct netconn * conn) {
+    iprintf("***Control Connection established %s\r\n", inet_ntoa(newconn->pcb.ip->remote_ip));
+}
+
+/* Called by closeIO() for additional reporting. Override on demand. */
+void __attribute__((weak)) SCPI_Event_ControlDisconnected(scpi_t * context, struct netconn * conn) {
+    iprintf("***Control Connection closed\r\n");
+}
+
+/* Called by SCPI_Error() for reporting. Override on demand. */
+void __attribute__((weak)) SCPI_Event_ErrorIndicatorOn(scpi_t * context, int_fast16_t err) {
+    iprintf("**ERROR: %ld, \"%s\"\r\n", (int32_t) err, SCPI_ErrorTranslate(err));
+    /* New error : BEEP, Error LED ON */
+}
+
+/* Called by SCPI_Error() for reporting. Override on demand. */
+void __attribute__((weak)) SCPI_Event_ErrorIndicatorOff(scpi_t * context, int_fast16_t err) {
+    iprintf("**ERROR: %ld, \"%s\"\r\n", (int32_t) err, SCPI_ErrorTranslate(err));
+    /* No more errors in the queue : Error LED OFF */
+}

--
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