MENU_CMD GetMenuChoice(void)
{
BYTE c;
while ( !serIsGetReady() );
c = serGetByte();
if ( c >= '1' && c < MENU_CMD_INVALID )
return c;
else
return MENU_CMD_INVALID;
}
BYTE USARTGetString(char *buffer, BYTE bufferLen)
{
BYTE v;
BYTE count;
count = 0;
do
{
while( !serIsGetReady() );
v = serGetByte();
if ( v == '\r' || v == '\n' )
break;
count++;
*buffer++ = v;
*buffer = '\0';
if ( bufferLen-- == 0 )
break;
} while(1);
return count;
}
static BOOL DownloadMPFS(void)
{
enum SM_MPFS
{
SM_MPFS_SOH,
SM_MPFS_BLOCK,
SM_MPFS_BLOCK_CMP,
SM_MPFS_DATA,
} state;
BYTE c;
MPFS handle;
BOOL lbDone;
BYTE blockLen;
BYTE lResult;
BYTE tempData[XMODEM_BLOCK_LEN];
TICK lastTick;
TICK currentTick;
state = SM_MPFS_SOH;
lbDone = FALSE;
handle = MPFSFormat();
/*
* Notify the host that we are ready to receive...
*/
lastTick = TickGet();
do
{
currentTick = TickGet();
if ( TickGetDiff(currentTick, lastTick) >= (TICK_SECOND/2) )
{
lastTick = TickGet();
serPutByte(XMODEM_NAK);
/*
* Blink LED to indicate that we are waiting for
* host to send the file.
*/
//LATA2 ^= 1;
}
} while( !serIsGetReady() );
while(!lbDone)
{
if ( serIsGetReady() )
{
/*
* Toggle LED as we receive the data from host.
*/
//LATA2 ^= 1;
c = serGetByte();
}
else
{
/*
* Real application should put some timeout to make sure
* that we do not wait forever.
*/
continue;
}
switch(state)
{
default:
if ( c == XMODEM_SOH )
{
state = SM_MPFS_BLOCK;
}
else if ( c == XMODEM_EOT )
{
/*
* Turn off LED when we are done.
*/
//LATA2 = 1;
MPFSClose();
serPutByte(XMODEM_ACK);
lbDone = TRUE;
}
else
serPutByte(XMODEM_NAK);
break;
case SM_MPFS_BLOCK:
/*
* We do not use block information.
*/
lResult = XMODEM_ACK;
blockLen = 0;
state = SM_MPFS_BLOCK_CMP;
break;
case SM_MPFS_BLOCK_CMP:
/*
* We do not use 1's comp. block value.
*/
state = SM_MPFS_DATA;
break;
case SM_MPFS_DATA:
/*
* Buffer block data until it is over.
*/
tempData[blockLen++] = c;
if ( blockLen > XMODEM_BLOCK_LEN )
{
/*
* We have one block data.
* Write it to EEPROM.
*/
MPFSPutBegin(handle);
lResult = XMODEM_ACK;
for ( c = 0; c < XMODEM_BLOCK_LEN; c++ )
MPFSPut(tempData[c]);
handle = MPFSPutEnd();
serPutByte(lResult);
state = SM_MPFS_SOH;
}
break;
}
}
/*
* This small wait is required if SLIP is in use.
* If this is not used, PC might misinterpret SLIP
* module communication and never close file transfer
* dialog box.
*/
#if defined(STACK_USE_SLIP)
{
BYTE i;
i = 255;
while( i-- );
}
#endif
return TRUE;
}
void ExecuteMenuChoice(MENU_CMD choice)
{
char response[MAX_USER_RESPONSE_LEN];
IP_ADDR tempIPValue;
IP_ADDR *destIPValue;
serPutByte('\r');
serPutByte('\n');
serPutRomString(menuCommandPrompt[choice-'0'-1]);
switch(choice)
{
case MENU_CMD_SERIAL_NUMBER:
itoa(AppConfig.SerialNumber.Val, response);
serPutString((BYTE*)response);
serPutByte(')');
serPutByte(':');
serPutByte(' ');
if ( USARTGetString(response, sizeof(response)) )
{
AppConfig.SerialNumber.Val = atoi(response);
AppConfig.MyMACAddr.v[4] = AppConfig.SerialNumber.v[1];
AppConfig.MyMACAddr.v[5] = AppConfig.SerialNumber.v[0];
}
else
goto HandleInvalidInput;
break;
case MENU_CMD_IP_ADDRESS:
destIPValue = &AppConfig.MyIPAddr;
goto ReadIPConfig;
case MENU_CMD_GATEWAY_ADDRESS:
destIPValue = &AppConfig.MyGateway;
goto ReadIPConfig;
case MENU_CMD_SUBNET_MASK:
destIPValue = &AppConfig.MyMask;
ReadIPConfig:
DisplayIPValue(destIPValue, FALSE);
serPutByte(')');
serPutByte(':');
serPutByte(' ');
USARTGetString(response, sizeof(response));
if ( !StringToIPAddress(response, &tempIPValue) )
{
HandleInvalidInput:
serPutRomString(InvalidInputMsg);
while( !serIsGetReady() );
serGetByte();
}
else
{
destIPValue->Val = tempIPValue.Val;
}
break;
case MENU_CMD_ENABLE_AUTO_CONFIG:
AppConfig.Flags.bIsDHCPEnabled = TRUE;
break;
case MENU_CMD_DISABLE_AUTO_CONFIG:
AppConfig.Flags.bIsDHCPEnabled = FALSE;
break;
case MENU_CMD_DOWNLOAD_MPFS:
#if defined(MPFS_USE_EEPROM)
DownloadMPFS();
#endif
break;
case MENU_CMD_QUIT:
#if defined(MPFS_USE_EEPROM)
appcfgSave();
#endif
break;
}
}
/*
* Main entry point.
*/
void main(void)
{
static TICK8 t = 0;
#ifdef HEATHERD
NODE_INFO tcpServerNode;
static TCP_SOCKET tcpSocketUser = INVALID_SOCKET;
BYTE c;
#endif
static BYTE testLED;
testLED = 1;
//Set SWDTEN bit, this will enable the watch dog timer
WDTCON_SWDTEN = 1;
aliveCntrMain = 0xff; //Disable alive counter during initialization. Setting to 0xff disables it.
//Initialize any application specific hardware.
InitializeBoard();
//Initialize all stack related components. Following steps must
//be performed for all applications using PICmicro TCP/IP Stack.
TickInit();
//Initialize buses
busInit();
//Initialize serial ports early, because they could be required for debugging
if (appcfgGetc(APPCFG_USART1_CFG & APPCFG_USART_ENABLE)) {
appcfgUSART(); //Configure the USART1
}
if (appcfgGetc(APPCFG_USART2_CFG & APPCFG_USART_ENABLE)) {
appcfgUSART2(); //Configure the USART2
}
//After initializing all modules that use interrupts, enable global interrupts
INTCON_GIEH = 1;
INTCON_GIEL = 1;
//Initialize file system.
fsysInit();
//Intialize HTTP Execution unit
htpexecInit();
//Initialize Stack and application related NV variables.
appcfgInit();
//First call appcfgCpuIOValues() and then only appcfgCpuIO()!!! This ensures the value are set, before enabling ports.
appcfgCpuIOValues(); //Configure the CPU's I/O port pin default values
appcfgCpuIO(); //Configure the CPU's I/O port pin directions - input or output
appcfgADC(); //Configure ADC unit
appcfgPWM(); //Configure PWM Channels
//Serial configuration menu - display it for configured time and allow user to enter configuration menu
scfInit(appcfgGetc(APPCFG_STARTUP_SER_DLY));
//LCD Display Initialize
lcdInit();
//Initialize expansion board
appcfgXboard();
StackInit();
#if defined(STACK_USE_HTTP_SERVER)
HTTPInit();
#endif
#if defined(STACK_USE_FTP_SERVER)
FTPInit();
#endif
//Intialise network componet of buses - only call after StackInit()!
busNetInit();
//Initializes events.
evtInit();
//Initializes "UDP Command Port" and "UDP Even Port".
cmdInit();
ioInit();
#if (DEBUG_MAIN >= LOG_DEBUG)
debugPutMsg(1); //@mxd:1:Starting main loop
#endif
/*
* Once all items are initialized, go into infinite loop and let
* stack items execute their tasks.
* If application needs to perform its own task, it should be
* done at the end of while loop.
* Note that this is a "co-operative mult-tasking" mechanism
* where every task performs its tasks (whether all in one shot
* or part of it) and returns so that other tasks can do their
* job.
* If a task needs very long time to do its job, it must broken
* down into smaller pieces so that other tasks can have CPU time.
*/
#ifdef HEATHERD
//Create a TCP socket that listens on port 54123
tcpSocketUser = TCPListen(HEATHERD);
#define HEATHERD_ENABLE (!(appcfgGetc(APPCFG_TRISA) & 1))
#define HEATHERD_WRITE_ENABLE (!(appcfgGetc(APPCFG_TRISA) & 2))
#endif
while(1)
{
aliveCntrMain = 38; //Reset if not services in 52.42ms x 38 = 2 seconds
//Blink SYSTEM LED every second.
if (appcfgGetc(APPCFG_SYSFLAGS) & APPCFG_SYSFLAGS_BLINKB6) {
//Configure RB6 as output, and blink it every 500ms
if ( TickGetDiff8bit(t) >= ((TICK8)TICKS_PER_SECOND / (TICK8)2) )
{
t = TickGet8bit();
//If B6 is configured as input, change to output
if (appcfgGetc(APPCFG_TRISB) & 0x40) {
appcfgPutc(APPCFG_TRISB, appcfgGetc(APPCFG_TRISB) & 0b10111111);
}
TRISB_RB6 = 0;
LATB6 ^= 1; //Toggle
//Toggle IOR5E LED, if IOR5E is present
if (appcfgGetc(APPCFG_XBRD_TYPE) == XBRD_TYPE_IOR5E) {
ior5eLatchData.bits.ledPWR ^= 1; // Toggle
}
}
}
//This task performs normal stack task including checking for incoming packet,
//type of packet and calling appropriate stack entity to process it.
StackTask();
//Service LCD display
lcdService();
//Process commands
cmdTask();
//Process events
evtTask();
//Process serial busses
busTask();
//I2C Task
i2cTask();
#ifdef HEATHERD
//Has a remote node made connection with the port we are listening on
if ((tcpSocketUser != INVALID_SOCKET) && TCPIsConnected(tcpSocketUser)) {
if (HEATHERD_ENABLE) {
//Is there any data waiting for us on the TCP socket?
//Because of the design of the Modtronix TCP/IP stack we have to
//consume all data sent to us as soon as we detect it.
while(TCPIsGetReady(tcpSocketUser)) {
//We are only interrested in the first byte of the message.
TCPGet(tcpSocketUser, &c);
if (HEATHERD_WRITE_ENABLE) serPutByte(c);
}
//Discard the socket buffer.
TCPDiscard(tcpSocketUser);
while (serIsGetReady() && TCPIsPutReady(tcpSocketUser)) {
TCPPut(tcpSocketUser,serGetByte());
}
TCPFlush(tcpSocketUser);
} else {
TCPDisconnect(tcpSocketUser);
}
}
#endif
#if defined(STACK_USE_HTTP_SERVER)
//This is a TCP application. It listens to TCP port 80
//with one or more sockets and responds to remote requests.
HTTPServer();
#endif
#if defined(STACK_USE_FTP_SERVER)
FTPServer();
#endif
#if defined(STACK_USE_ANNOUNCE)
DiscoveryTask();
#endif
#if defined(STACK_USE_NBNS)
NBNSTask();
#endif
//Add your application speicifc tasks here.
ProcessIO();
//For DHCP information, display how many times we have renewed the IP
//configuration since last reset.
if ( DHCPBindCount != myDHCPBindCount )
{
#if (DEBUG_MAIN >= LOG_INFO)
debugPutMsg(2); //@mxd:2:DHCP Bind Count = %D
debugPutByteHex(DHCPBindCount);
#endif
//Display new IP address
#if (DEBUG_MAIN >= LOG_INFO)
debugPutMsg(3); //@mxd:3:DHCP complete, IP = %D.%D.%D.%D
debugPutByteHex(AppConfig.MyIPAddr.v[0]);
debugPutByteHex(AppConfig.MyIPAddr.v[1]);
debugPutByteHex(AppConfig.MyIPAddr.v[2]);
debugPutByteHex(AppConfig.MyIPAddr.v[3]);
#endif
myDHCPBindCount = DHCPBindCount;
#if defined(STACK_USE_ANNOUNCE)
AnnounceIP();
#endif
}
}
}
static BOOL DownloadFsysImage(void)
{
enum SM_MPFS
{
SM_MPFS_SOH,
SM_MPFS_BLOCK,
SM_MPFS_BLOCK_CMP,
SM_MPFS_DATA,
} state;
BYTE c;
BOOL lbDone;
BYTE blockLen;
BYTE lResult;
BYTE tempData[XMODEM_BLOCK_LEN];
TICK16 lastTick;
state = SM_MPFS_SOH;
lbDone = FALSE;
//Prepare the File System to receive a new Image - all data is overwritten! It is assigned handle 0
fsysOpenImage();
/*
* Notify the host that we are ready to receive...
*/
lastTick = TickGet16bit();
do
{
//More than 500ms has passed since last tick
if ( TickGetDiff16bit(lastTick) >= ((TICK16)(TICKS_PER_SECOND/2)) )
{
lastTick = TickGet16bit();
serPutByte(XMODEM_NAK);
/*
* Blink LED to indicate that we are waiting for
* host to send the file.
*/
//LATA2 ^= 1;
}
} while( !serIsGetReady() );
while(!lbDone)
{
if ( serIsGetReady() )
{
/*
* Toggle LED as we receive the data from host.
*/
//LATA2 ^= 1;
c = serGetByte();
}
else
{
/*
* Real application should put some timeout to make sure
* that we do not wait forever.
*/
continue;
}
switch(state)
{
default:
if ( c == XMODEM_SOH )
{
state = SM_MPFS_BLOCK;
}
else if ( c == XMODEM_EOT )
{
/*
* Turn off LED when we are done.
*/
//LATA2 = 1;
fsysCloseImage();
serPutByte(XMODEM_ACK);
lbDone = TRUE;
}
else
serPutByte(XMODEM_NAK);
break;
case SM_MPFS_BLOCK:
/*
* We do not use block information.
*/
lResult = XMODEM_ACK;
blockLen = 0;
state = SM_MPFS_BLOCK_CMP;
break;
case SM_MPFS_BLOCK_CMP:
/*
* We do not use 1's comp. block value.
*/
state = SM_MPFS_DATA;
break;
case SM_MPFS_DATA:
/*
* Buffer block data until it is over.
*/
tempData[blockLen++] = c;
if ( blockLen > XMODEM_BLOCK_LEN )
{
lResult = XMODEM_ACK;
for ( c = 0; c < XMODEM_BLOCK_LEN; c++ ) {
fsysPutByteImage(tempData[c]);
}
fileRelease(0); //FILE Handle 0 is always used for File System Image functions
serPutByte(lResult);
state = SM_MPFS_SOH;
}
break;
}
}
/*
* This small wait is required if SLIP is in use.
* If this is not used, PC might misinterpret SLIP
* module communication and never close file transfer
* dialog box.
*/
#if defined(STACK_USE_SLIP)
{
BYTE i;
i = 255;
while( i-- );
}
#endif
return TRUE;
}
void ExecuteMenuChoice(MENU_CMD choice)
{
char response[MAX_USER_RESPONSE_LEN];
IP_ADDR tempIPValue;
IP_ADDR *destIPValue;
WORD_VAL w;
BYTE offset;
serPutByte('\r');
serPutByte('\n');
serPutRomString(menuCommandPrompt[choice-'0'-1]);
switch(choice)
{
case MENU_CMD_SERIAL_NUMBER:
w.byte.LSB = appcfgGetc(APPCFG_SERIAL_NUMBER0);
w.byte.MSB = appcfgGetc(APPCFG_SERIAL_NUMBER1);
itoa(w.Val, response);
serPutString((BYTE*)response);
serPutByte(')');
serPutByte(':');
serPutByte(' ');
if ( USARTGetString(response, sizeof(response)) )
{
w.Val = atoi(response);
appcfgPutc(APPCFG_SERIAL_NUMBER0, w.byte.LSB);
appcfgPutc(APPCFG_SERIAL_NUMBER1, w.byte.MSB);
AppConfig.MyMACAddr.v[4] = w.byte.MSB;
AppConfig.MyMACAddr.v[5] = w.byte.LSB;
}
else
goto HandleInvalidInput;
break;
case MENU_CMD_IP_ADDRESS:
destIPValue = &AppConfig.MyIPAddr;
offset = APPCFG_IP0;
goto ReadIPConfig;
case MENU_CMD_GATEWAY_ADDRESS:
destIPValue = &AppConfig.MyGateway;
offset = APPCFG_GATEWAY0;
goto ReadIPConfig;
case MENU_CMD_SUBNET_MASK:
destIPValue = &AppConfig.MyMask;
offset = APPCFG_MASK0;
ReadIPConfig:
scfDisplayIPValue(destIPValue);
serPutByte(')');
serPutByte(':');
serPutByte(' ');
USARTGetString(response, sizeof(response));
if ( !StringToIPAddress(response, &tempIPValue) )
{
HandleInvalidInput:
serPutRomString(InvalidInputMsg);
while( !serIsGetReady() );
serGetByte();
}
else
{
destIPValue->Val = tempIPValue.Val;
//Update new configuration data just entered
appcfgPutc(offset++, tempIPValue.v[0]);
appcfgPutc(offset++, tempIPValue.v[1]);
appcfgPutc(offset++, tempIPValue.v[2]);
appcfgPutc(offset++, tempIPValue.v[3]);
}
break;
case MENU_CMD_ENABLE_AUTO_CONFIG:
//Set DHCP flag
appcfgPutc(APPCFG_NETFLAGS, appcfgGetc(APPCFG_NETFLAGS) | APPCFG_NETFLAGS_DHCP);
break;
case MENU_CMD_DISABLE_AUTO_CONFIG:
//Clear DHCP flag
appcfgPutc(APPCFG_NETFLAGS, appcfgGetc(APPCFG_NETFLAGS) & ~APPCFG_NETFLAGS_DHCP);
break;
case MENU_CMD_DOWNLOAD_FSYS_IMAGE:
DownloadFsysImage();
break;
case MENU_CMD_QUIT:
break;
}
}
