try again

1 files changed, 213 insertions, 0 deletions

diff --git a/simplemon/Monitor.cpp b/simplemon/Monitor.cpp
new file mode 100644
index 0000000..8798579
--- /dev/null
+++ b/simplemon/Monitor.cpp
@@ -0,0 +1,213 @@
+/*--------------------------------------------------------------------Monitor.c 
+ *  
+ *  Description and docs... are in Monitor.h
+ *
+ *   Copyright (c) 2012, Donald Delmar Davis, Suspect Devices
+ *   All rights reserved.
+ *    
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions are met:
+ *   * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *   * 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.
+ *   * Neither the name of the Suspect Devices nor the
+ *   names of its contributors may be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *    
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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
+ *   DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ *   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ *   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *-----------------------------------------------------------------------------*/
+
+#include "Monitor.h"
+
+const char *keywords = KEYWORDS;
+
+char actionBuffer[MAX_COMMAND_LINE_LENGTH]; //return buffer for console actions allocate this once use it often. 
+const char *theNak="NAK:";
+
+cmdBuffer deviceComm;
+cmdBuffer consoleComm;
+
+char keyBuff[4]; //fix this.
+
+void registerAction(uint8_t ndx, actionptr action){
+    if (ndx >=0 && ndx<NKEYWORDS) {
+        actions[ndx]=action;
+    }
+}
+#ifndef toupper
+#define toupper((c)) (c)
+#endif
+
+int lookupIndex(unsigned char *key) {
+    int ndx=0;
+    int ptr=0;
+    while (ndx<NKEYWORDS) {
+        if ((keywords[ptr]==toupper(key[0])) 
+            && (keywords[ptr+1]==toupper(key[1])) 
+            && (keywords[ptr+2]==toupper(key[2]))
+            ) { return ndx;
+        } else {
+            ndx++;
+            ptr+=3;
+        }
+    }
+    return -1;
+}
+
+char * lookupKey(int ndx, char *keyBuff) {
+    int ptr=0;
+    keyBuff[0]=keyBuff[1]=keyBuff[2]='?';
+    if (ndx >=0 && ndx<NKEYWORDS) {
+        ptr=ndx*3;
+        keyBuff[0]=keywords[ptr]; 
+        keyBuff[1]=keywords[ptr+1]; 
+        keyBuff[2]=keywords[ptr+2]; 
+        keyBuff[3]='\0';
+    }
+    
+    return keyBuff;
+}
+
+void toDevice(char *buff){ 
+    usart_tx(USART1, (uint8_t *)buff, strlen(buff));
+    usart_tx(USART1, (uint8_t *)"\r\n", 2);
+    ;
+}
+
+void toConsole(const char *format, ...){ 
+    va_list args;    
+    va_start( args, format );
+    //int sdoPrintf(char *out, const char *format, ...)
+    //siprintf(actionBuffer, format, args );
+    vsnprintf(actionBuffer, format, args );
+    if(SerialUSB.isConnected() && (SerialUSB.getDTR() || SerialUSB.getRTS())) {        
+        SerialUSB.write(actionBuffer);
+        SerialUSB.write("\r\n");
+    }    
+}
+
+uint8_t NOPaction(uint8_t source) {  
+    if (source==CONSOLE) {
+        toConsole("DBG: Forwarding (%c%c%c)!", 
+                 consoleComm.line[0], consoleComm.line[1], consoleComm.line[2]);
+               toConsole(actionBuffer);
+        toDevice((char *)consoleComm.line);
+
+        return COMMAND_FORWARDED;
+    }
+    else {
+        return COMMAND_IGNORED;
+    }
+}
+uint8_t ACKaction (uint8_t source) {
+    if (source==CONSOLE) {
+         toConsole("ACK:");
+        return COMMAND_OK;
+    } else {
+        toDevice("ACK:");
+        return COMMAND_OK;
+    }
+}   
+
+uint8_t NAKaction (uint8_t source) {
+    if (source==CONSOLE) {
+        toConsole("NAK:");
+        return COMMAND_OK;
+    } else {
+        toDevice("NAK:");
+        return COMMAND_OK;
+    }
+}    
+
+uint8_t LSVaction (uint8_t source) {
+    if (source==CONSOLE) {
+        toConsole("LSV:%s",BOM_VERSION);
+        return COMMAND_OK;
+    } else {
+        toDevice("NAK:");
+        return COMMAND_IGNORED;
+    }
+}    
+
+extern char _lm_heap_end;
+extern char _lm_heap_start;
+extern caddr_t _sbrk(int incr); //this doesnt resolve. 
+
+int getFreeMemory() // none of this works. 
+{   static int freeMemory;
+    //if (freeMemory-(int)((caddr_t)&_lm_heap_end) - (int)((caddr_t)&_lm_heap_start)) { SerialUSB.write("!");}
+    //freeMemory=(int)((caddr_t)&_lm_heap_end) - (int)((caddr_t)&_lm_heap_start);
+    freeMemory=(int)((caddr_t)&_lm_heap_end) - (int)(&freeMemory);
+    return freeMemory;
+}
+
+
+uint8_t MEMaction (uint8_t source) {
+    if (consoleComm.verb=='?') {
+        int memory;
+        memory=getFreeMemory();
+        toConsole(actionBuffer,"MEM:%d",memory);;
+        return COMMAND_OK;
+    } else {
+        toConsole("NAK:");
+        return COMMAND_ERROR;
+    }
+
+}
+
+actionptr actions[NKEYWORDS] = {
+    &ACKaction,    //SYN [!  ] sync (hello)
+    &ACKaction,    //ACK [ : ] acknowlege (yes)
+    &NAKaction,    //NAK [ : ] negative ack (no)
+    &NOPaction,    //SWV [ :?] Software Version
+    &NOPaction,    //HWV [ :?] Hardware Version
+    &MEMaction,    //MEM [ :?] Avaliable Memory
+    &NOPaction,    //DID [   ] 
+    &NOPaction,    //LVB [   ] 
+    &LSVaction,    //LSV [   ] logger software version. 
+};
+    
+struct tm theTime;
+
+void parseLine(cmdBuffer *buff) {
+    // should check for more than 4 characters
+    buff->args=buff->line+4; 
+    buff->verb=buff->line[3];
+    //buff->line[3]='\0'; // dont need this since lookupindex uses tcharacters
+    
+    buff->kwIndex=lookupIndex(buff->line);
+}
+    
+int handleDeviceInput(cmdBuffer * cmd) {
+    int retval;
+    parseLine(cmd);
+    if ((cmd->kwIndex)>0) {
+        retval=actions[cmd->kwIndex](DEVICE);
+    }
+    cmd->gotline=false;
+    cmd->len=0;
+   return retval;
+}
+
+int handleConsoleInput(cmdBuffer * cmd) {
+    int retval;
+    parseLine(cmd);
+    if ((cmd->kwIndex) >=0 ) {
+        retval=actions[cmd->kwIndex](CONSOLE);
+    }
+    cmd->gotline=false;
+    cmd->len=0;
+    return retval;
+}