From c1e514e03ab7de4399ca12c9ae988b0707a99f8b Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周二, 15 9月 2015 03:13:35 +0800
Subject: [PATCH] Resolve #46: Detect missing parameter
---
libscpi/src/error.c | 68 +++++++++++++++++++++++++++-------
1 files changed, 54 insertions(+), 14 deletions(-)
diff --git a/libscpi/src/error.c b/libscpi/src/error.c
index da0398e..34735d2 100644
--- a/libscpi/src/error.c
+++ b/libscpi/src/error.c
@@ -2,7 +2,7 @@
* Copyright (c) 2012-2013 Jan Breuer,
*
* All Rights Reserved
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
@@ -11,7 +11,7 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
@@ -28,10 +28,10 @@
/**
* @file scpi_error.c
* @date Thu Nov 15 10:58:45 UTC 2012
- *
+ *
* @brief Error handling and storing routines
- *
- *
+ *
+ *
*/
#include <stdint.h>
@@ -61,6 +61,33 @@
}
/**
+ * Emit no error
+ * @param context scpi context
+ */
+static void SCPI_ErrorEmitEmpty(scpi_t * context) {
+ if ((SCPI_ErrorCount(context) == 0) && (SCPI_RegGet(context, SCPI_REG_STB) & STB_QMA)) {
+ SCPI_RegClearBits(context, SCPI_REG_STB, STB_QMA);
+
+ if (context->interface && context->interface->error) {
+ context->interface->error(context, 0);
+ }
+ }
+}
+
+/**
+ * Emit error
+ * @param context scpi context
+ * @param err Error to emit
+ */
+static void SCPI_ErrorEmit(scpi_t * context, int16_t err) {
+ SCPI_RegSetBits(context, SCPI_REG_STB, STB_QMA);
+
+ if (context->interface && context->interface->error) {
+ context->interface->error(context, err);
+ }
+}
+
+/**
* Clear error queue
* @param context - scpi context
*/
@@ -72,6 +99,8 @@
/* basic FIFO */
fifo_clear((scpi_fifo_t *)context->error_queue);
+
+ SCPI_ErrorEmitEmpty(context);
}
/**
@@ -92,13 +121,15 @@
/* basic FIFO */
fifo_remove((scpi_fifo_t *)context->error_queue, &result);
+ SCPI_ErrorEmitEmpty(context);
+
return result;
}
/**
* Return number of errors/events in the queue
* @param context
- * @return
+ * @return
*/
int32_t SCPI_ErrorCount(scpi_t * context) {
int16_t result = 0;
@@ -130,12 +161,13 @@
scpi_reg_val_t bit;
};
-#define ERROR_DEFS_N 8
+#define ERROR_DEFS_N 9
static const struct error_reg errs[ERROR_DEFS_N] = {
{-100, -199, ESR_CER}, /* Command error (e.g. syntax error) ch 21.8.9 */
{-200, -299, ESR_EER}, /* Execution Error (e.g. range error) ch 21.8.10 */
{-300, -399, ESR_DER}, /* Device specific error -300, -399 ch 21.8.11 */
+ { 1,32767, ESR_DER}, /* Device designer provided specific error 1, 32767 ch 21.8.11 */
{-400, -499, ESR_QER}, /* Query error -400, -499 ch 21.8.12 */
{-500, -599, ESR_PON}, /* Power on event -500, -599 ch 21.8.13 */
{-600, -699, ESR_URQ}, /* User Request Event -600, -699 ch 21.8.14 */
@@ -160,11 +192,9 @@
}
}
- if (context) {
- if (context->interface && context->interface->error) {
- context->interface->error(context, err);
- }
+ SCPI_ErrorEmit(context, err);
+ if (context) {
context->cmd_error = TRUE;
}
}
@@ -177,9 +207,19 @@
const char * SCPI_ErrorTranslate(int16_t err) {
switch (err) {
case 0: return "No error";
- #define X(def, val, str) case def: return str;
- LIST_OF_ERRORS
- #undef X
+#define X(def, val, str) case def: return str;
+#if USE_FULL_ERROR_LIST
+#define XE X
+#else
+#define XE(def, val, str)
+#endif
+LIST_OF_ERRORS
+
+#if USE_USER_ERROR_LIST
+LIST_OF_USER_ERRORS
+#endif
+#undef X
+#undef XE
default: return "Unknown error";
}
}
--
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