diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-03-16 14:31:22 +0200 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-03-16 14:31:22 +0200 |
| commit | ac4fd8e8340886f455add8cf92ee1c8458b8ae19 (patch) | |
| tree | fdeb96af9d57573855405fb5099468244772cd49 /boards/ek-tm4c1294xl/qs_iot/stats.c | |
| parent | 821e3405f23958760f7c27e8934940abfed3d5cb (diff) | |
Add ek-tm4c1294xl example projects
Diffstat (limited to 'boards/ek-tm4c1294xl/qs_iot/stats.c')
| -rw-r--r-- | boards/ek-tm4c1294xl/qs_iot/stats.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/boards/ek-tm4c1294xl/qs_iot/stats.c b/boards/ek-tm4c1294xl/qs_iot/stats.c new file mode 100644 index 0000000..4da8932 --- /dev/null +++ b/boards/ek-tm4c1294xl/qs_iot/stats.c @@ -0,0 +1,174 @@ +//*****************************************************************************
+//
+// stats.c - Implements structures and functions for cloud-connected statistics
+//
+// Copyright (c) 2013-2014 Texas Instruments Incorporated. All rights reserved.
+// Software License Agreement
+//
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+//
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+//
+// This is part of revision 2.1.0.12573 of the EK-TM4C1294XL Firmware Package.
+//
+//*****************************************************************************
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "driverlib/rom.h"
+#include "utils/ustdlib.h"
+#include "stats.h"
+
+//*****************************************************************************
+//
+// Sets the value of a tStat structure based on a formatted string input.
+//
+//*****************************************************************************
+void
+StatSetVal(tStat *psStat, char *pcInputValue)
+{
+ if((psStat->eValueType) == STRING)
+ {
+ ustrncpy(StatStringVal(*psStat), pcInputValue, MAX_STAT_STRING);
+ }
+ else if((psStat->eValueType == INT) ||
+ (psStat->eValueType == HEX))
+ {
+ StatIntVal(*psStat) = ustrtoul(pcInputValue, NULL, 0);
+ }
+}
+
+//*****************************************************************************
+//
+// Given a destination buffer and a tStat pointer, this function will produce a
+// formatted "request string" that can be used in the Exosite_Write function.
+//
+//*****************************************************************************
+void
+StatRequestFormat(tStat *psStat, char *pcRequestBuffer)
+{
+ if((psStat->eValueType) == STRING)
+ {
+ //
+ // Disable interrupts to avoid changes to the string during the copy
+ // operation.
+ //
+ ROM_IntMasterDisable();
+
+ usprintf(pcRequestBuffer, "%s=%s",
+ psStat->pcCloudAlias,
+ StatStringVal(*psStat));
+
+ ROM_IntMasterEnable();
+ }
+ else if((psStat->eValueType) == INT)
+ {
+ usprintf(pcRequestBuffer, "%s=%d",
+ psStat->pcCloudAlias,
+ StatIntVal(*psStat));
+ }
+ else if((psStat->eValueType) == HEX)
+ {
+ usprintf(pcRequestBuffer, "%s=0x%x",
+ psStat->pcCloudAlias,
+ StatIntVal(*psStat));
+ }
+}
+
+//*****************************************************************************
+//
+// Given a pointer to a tStat and a destination string, this function will
+// print the value of the tStat to the string.
+//
+//*****************************************************************************
+void
+StatPrintValue(tStat *psStat, char *pcValueString)
+{
+ char *pcSourceString;
+ char pcPercentString[3];
+ uint32_t ui32CharValue;
+ uint8_t ui8Index;
+ //
+ // Check the type of data that is stored in this psStat variable.
+ //
+ if((psStat->eValueType) == STRING)
+ {
+ //
+ // If this is a string, perform a little processing to remove
+ // percent-encoded characters. First, copy the original string pointer
+ // for ease of use.
+ //
+ pcSourceString = StatStringVal(*psStat);
+
+
+ //
+ // Loop through the characters in the string one by one.
+ //
+ ui8Index = 0;
+ while(*pcSourceString != 0)
+ {
+ //
+ // If the character is a percent sign, calculate the correct
+ // percent-encoding substitution.
+ //
+ if(*pcSourceString == '%')
+ {
+ //
+ // The next two characters should be a hexadecimal
+ // representation of the actual character that should be
+ // printed. Convert them to an integer here.
+ //
+ ustrncpy(pcPercentString, (pcSourceString + 1), 2);
+
+ pcPercentString[2] = 0;
+
+ ui32CharValue = ustrtoul((pcPercentString), NULL, 16);
+
+ //
+ // Increment the source pointer past the escaped characters.
+ //
+ pcSourceString = pcSourceString + 3;
+
+ //
+ // Copy the converted value into the destination string.
+ //
+ pcValueString[ui8Index] = ui32CharValue;
+
+ }
+ else
+ {
+ //
+ // If the character was not a percent sign, it can be copied
+ // directly.
+ //
+ pcValueString[ui8Index] = *pcSourceString;
+ pcSourceString++;
+ }
+
+ //
+ // Increment the index.
+ //
+ ui8Index++;
+ }
+
+ pcValueString[ui8Index] = 0;
+ }
+ else if((psStat->eValueType) == INT)
+ {
+ //
+ // If this is an integer value, just print the value as text into the
+ // destination string.
+ //
+ usprintf(pcValueString, "%d", StatIntVal(*psStat));
+ }
+}
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