/**
* Function for performing MAC related tasks
*
* @preCondition Must be called every couple of ms
*/
void MACTask(void)
{
#if (DEBUG_MAC >= LOG_WARN)
BYTE tmpSum;
char buf[5];
#endif
#if defined(MAC_CNTR1_3)
cntr0.Val += NICGet(CNTR0);
cntr1.Val += NICGet(CNTR1);
cntr2.Val += NICGet(CNTR2);
#endif
#if (DEBUG_MAC >= LOG_WARN)
tmpSum = LSB(cntr0) + MSB(cntr0) + LSB(cntr1) + MSB(cntr1) + LSB(cntr2) + MSB(cntr2);
//If any of the error counter have changed, print them out!
if (cntrSum != tmpSum) {
debugPutMsg(1); //@mxd:1:Frame Alignment=%s, CRC=%s, Missed Packets=%s
itoa(cntr0.Val, buf);
debugPutString(buf);
itoa(cntr1.Val, buf);
debugPutString(buf);
itoa(cntr2.Val, buf);
debugPutString(buf);
cntrSum = tmpSum;
}
#endif
}
BOOL FTPVerify(char *login, char *password)
{
#if (DEBUG_MAIN >= LOG_INFO)
debugPutMsg(4); //@mxd:4:Received FTP Login (%s) and Password (%s)
debugPutString(login);
debugPutString(password);
#endif
if (strcmpee2ram(login, APPCFG_USERNAME0) == 0) {
if (strcmpee2ram(password, APPCFG_PASSWORD0) == 0) {
return TRUE;
}
}
return FALSE;
}
/**
* This function is a "callback" from HTTPServer task. Whenever a remote node performs interactive
* GET task on page that was served, HTTPServer calls this functions. Use HTTPGetParam()
* to get all name-value parameters.
*
* @param httpInfo Socket that is currently receiving this HTTP command
* @param rqstRes Name of the Requested resource - GET command's action. All characters are
* in uppercase!
*/
void HTTPExecGetCmd(HTTP_INFO* httpInfo, BYTE* rqstRes) {
BYTE param[64];
WORD wUpdate; //Contains CMD_UD_XXX flags indicating what has to be updated
//Used as input AND output parameter for HTTPGetParams.
// - Input parameter indicates size of param buffer
// - On return of HTTPGerParam() valueIdx will contain index of value string in param
BYTE valueIdx;
BYTE moreParams;
BYTE paramCount; //The number of parameters (name-value pairs) we have received
BYTE user;
BYTE tmp;
BYTE executed; //Indicates if the command has been executed already or not
#if (DEBUG_HTTPEXEC >= LOG_DEBUG)
debugPutMsg(1); //@mxd:1:HTTPExecGetCmd() called for file %s
debugPutString(rqstRes);
#endif
wUpdate = 0; //Clear all update flags
paramCount = 0;
//Get the current user logged in for this HTTP connection
user = HTTPGetCurrentUser(httpInfo);
//Get next name-value parameter
do {
valueIdx = (BYTE)sizeof(param); //Input parameter is size of param buffer
//Get name-value parameters. Returns true if there are more name-value parameters to follow
//- Pointer to Name parameter = ¶m[0]
//- Pointer to Value parameter = ¶m[valueIdx]
moreParams = HTTPGetParam(httpInfo->socket, param, &valueIdx);
paramCount++;
executed = 0; //Current name-value command has not been executed yet
/////////////////////////////////////////////////
//We received a general command with value
if (param[0] == CMDGROUP_GENERAL)
{
#if (DEBUG_CMD >= LOG_DEBUG)
debugPutMsg(8); //@mxd:8:Received General Command
#endif
//The second character of the name part of the name-value pair will be the "Command Code".
switch(param[1]) {
case CMDCODE_GEN_PASSWORD:
executed = 1; //Indicates that the command has been executed
// This command is NOT used any more, seeing that we now use HTTP Authentication
break;
case CMDCODE_GEN_USERNAME:
executed = 1; //Indicates that the command has been executed
// This command is NOT used any more, seeing that we now use HTTP Authentication
break;
}
}
/////////////////////////////////////////////////
//We received a general command without value
else if (param[0] == CMDGROUP_GENERAL_NOVAL)
{
#if (DEBUG_CMD >= LOG_DEBUG)
debugPutMsg(10); //@mxd:10:Received General Command without value
#endif
/////////////////////////////////////////////////
// The following commands can ONLY be executed by "Admin" or "Super User"
if (user != USER_GUEST) {
//The first character of the value part of the name-value pair will be the "Command Code".
switch(param[valueIdx]) {
//There is no logout command anymore with HTTP Authentication!
case CMDCODE_GENNOVAL_LOGOUT:
executed = 1; //Indicates that the command has been executed
#if (DEBUG_CMD >= LOG_INFO)
debugPutMsg(14); //@mxd:14:Received Log Off command
#endif
//There is no logout command anymore with HTTP Authentication!
//Update HTTP_INFO structure's user information
//httpInfo->flags.bits.bUserLoggedIn = FALSE;
break;
}
}
//The first character of the value part of the name-value pair will be the "Command Code".
switch(param[valueIdx]) {
//Causes requested to log in, if not already Authenticated
case CMDCODE_GENNOVAL_LOGIN:
executed = 1; //Indicates that the command has been executed
httpInfo->flags.bits.bLoginReq = TRUE;
break;
}
}
//If this command has not been executed yet, pass it on to the execNaveValueCmd function
if ( !executed) {
//Execute the given name-value command
wUpdate |= execNameValueCmd(param, ¶m[valueIdx], user);
}
} while (moreParams);
//Network settings have changed
if (wUpdate & CMD_UD_NETWORK) {
//Reconfigure USART with new value
//appcfgNetwork();
}
else if (wUpdate & CMD_UD_USART) {
//Reconfigure USART with new value
appcfgUSART();
appcfgUSART2();
}
else if (wUpdate & CMD_UD_CPU_IO) {
//Reconfigure IO ports
appcfgCpuIO();
}
else if (wUpdate & CMD_UD_ADC) {
//Reconfigure IO ports
appcfgADC();
}
else if (wUpdate & CMD_UD_PWM) {
//Reconfigure PWM
appcfgPWM();
}
else if (wUpdate & CMD_UD_XBOARD) {
//Reconfigure Expansion Board
appcfgXboard();
}
else if (wUpdate & CMD_UD_BUSBUF) {
//Reconfigure Bus Buffers
busInfoInit();
}
else if (wUpdate & CMD_UD_BUSNET) {
//Reconfigure UDP Buses
busNetInit();
}
}
/* ----------------------------------------------------------------------------*
*
* Function Name : readGesture(void)
*
* Description :Processes a gesture event and returns best guessed gesture
*
* Input : None
*
* Output : None
*
* Return : Number corresponding to gesture. -1 on error.
* ----------------------------------------------------------------------------*
* Authors: Sarath S
* Date: May 17, 2017
* ---------------------------------------------------------------------------*/
int readGesture(void)
{
uint8_t fifo_level = 0;
int bytes_read = 0;
uint8_t fifo_data[128];
uint8_t gstatus;
int motion;
int i;
/* Make sure that power and gesture is on and data is valid */
if( !isGestureAvailable() || !(getMode() & 0x41) ) {
return DIR_NONE;
}
/* Keep looping as long as gesture data is valid */
while(1) {
/* Wait some time to collect next batch of FIFO data */
delayms(FIFO_PAUSE_TIME);
/* Get the contents of the STATUS register. Is data still valid? */
if( !i2c1_read(APDS9960_GSTATUS, &gstatus,1) ) {
return ERROR;
}
/* If we have valid data, read in FIFO */
if( (gstatus & APDS9960_GVALID) == APDS9960_GVALID ) {
/* Read the current FIFO level */
if( !i2c1_read(APDS9960_GFLVL, &fifo_level,1) ) {
return ERROR;
}
#if DEBUGPRINT
debugPutString("FIFO Level: ");
debugPutChar(fifo_level);
#endif
/* If there's stuff in the FIFO, read it into our data block */
if( fifo_level > 0) {
bytes_read = i2c1_read(APDS9960_GFIFO_U,
fifo_data,
(fifo_level * 4) );
if( bytes_read == -1 ) {
return ERROR;
}
#if DEBUGPRINT
debugPutString("FIFO Dump: ");
for ( i = 0; i < bytes_read; i++ ) {
debugPutChar(fifo_data[i]);
debugPutString(" ");
}
debugPutString("\r\n");
#endif
/* If at least 1 set of data, sort the data into U/D/L/R */
if( bytes_read >= 4 ) {
for( i = 0; i < bytes_read; i += 4 ) {
gesture_data_.u_data[gesture_data_.index] = \
fifo_data[i + 0];
gesture_data_.d_data[gesture_data_.index] = \
fifo_data[i + 1];
gesture_data_.l_data[gesture_data_.index] = \
fifo_data[i + 2];
gesture_data_.r_data[gesture_data_.index] = \
fifo_data[i + 3];
gesture_data_.index++;
gesture_data_.total_gestures++;
}
#if DEBUGPRINT
debugPutString("Up Data: ");
for ( i = 0; i < gesture_data_.total_gestures; i++ ) {
debugPutChar(gesture_data_.u_data[i]);
debugPutString(" ");
}
debugPutString("\r\n");
#endif
/* Filter and process gesture data. Decode near/far state */
if( processGestureData() ) {
if( decodeGesture() ) {
//***TODO: U-Turn Gestures
#if DEBUGPRINT
debugPutChar(gesture_motion_);
#endif
}
}
/* Reset data */
gesture_data_.index = 0;
gesture_data_.total_gestures = 0;
}
}
} else {
/* Determine best guessed gesture and clean up */
delayms(FIFO_PAUSE_TIME);
decodeGesture();
motion = gesture_motion_;
#if DEBUGPRINT
debugPutString("END: ");
debugPutChar(gesture_motion_);
#endif
resetGestureParameters();
return motion;
}
}
}
/* ----------------------------------------------------------------------------*
*
* Function Name : apds9960init
*
* Description : Configures I2C communications and initializes registers to defaults
*
* Input : None
*
* Output : None
*
* Return : True if initialized successfully. False otherwise
* ----------------------------------------------------------------------------*
* Authors: Sarath S
* Date: May 17, 2017
* ---------------------------------------------------------------------------*/
int apds9960init(void)
{
uint8_t id;
//ledSetLeftLed(LED_ON);
/* Initialize I2C */
I2C1_init();
delayms(700);
/* Read ID register and check against known values for APDS-9960 */
if( !i2c1_read(APDS9960_ID, &id,1) ) {
ledSetRightLed(LED_ON);
return false;
}
ledSetLeftLed(LED_ON);
if( !(id == APDS9960_ID_1 || id == APDS9960_ID_2) ) {
return false;
}
/* Set ENABLE register to 0 (disable all features) */
if( !setMode(ALL, OFF) ) {
return false;
}
/* Set default values for ambient light and proximity registers */
if( !i2c1_write(APDS9960_ATIME, DEFAULT_ATIME) ) {
return false;
}
if( !i2c1_write(APDS9960_WTIME, DEFAULT_WTIME) ) {
return false;
}
if( !i2c1_write(APDS9960_PPULSE, DEFAULT_PROX_PPULSE) ) {
return false;
}
if( !i2c1_write(APDS9960_POFFSET_UR, DEFAULT_POFFSET_UR) ) {
return false;
}
if( !i2c1_write(APDS9960_POFFSET_DL, DEFAULT_POFFSET_DL) ) {
return false;
}
if( !i2c1_write(APDS9960_CONFIG1, DEFAULT_CONFIG1) ) {
return false;
}
if( !setLEDDrive(DEFAULT_LDRIVE) ) {
return false;
}
if( !setProximityGain(DEFAULT_PGAIN) ) {
return false;
}
if( !setAmbientLightGain(DEFAULT_AGAIN) ) {
return false;
}
if( !setProxIntLowThresh(DEFAULT_PILT) ) {
return false;
}
if( !setProxIntHighThresh(DEFAULT_PIHT) ) {
return false;
}
if( !setLightIntLowThreshold(DEFAULT_AILT) ) {
return false;
}
if( !setLightIntHighThreshold(DEFAULT_AIHT) ) {
return false;
}
if( !i2c1_write(APDS9960_PERS, DEFAULT_PERS) ) {
return false;
}
if( !i2c1_write(APDS9960_CONFIG2, DEFAULT_CONFIG2) ) {
return false;
}
if( !i2c1_write(APDS9960_CONFIG3, DEFAULT_CONFIG3) ) {
return false;
}
/* Set default values for gesture sense registers */
if( !setGestureEnterThresh(DEFAULT_GPENTH) ) {
return false;
}
if( !setGestureExitThresh(DEFAULT_GEXTH) ) {
return false;
}
if( !i2c1_write(APDS9960_GCONF1, DEFAULT_GCONF1) ) {
return false;
}
if( !setGestureGain(DEFAULT_GGAIN) ) {
return false;
}
if( !setGestureLEDDrive(DEFAULT_GLDRIVE) ) {
return false;
}
if( !setGestureWaitTime(DEFAULT_GWTIME) ) {
return false;
}
if( !i2c1_write(APDS9960_GOFFSET_U, DEFAULT_GOFFSET) ) {
return false;
}
if( !i2c1_write(APDS9960_GOFFSET_D, DEFAULT_GOFFSET) ) {
return false;
}
if( !i2c1_write(APDS9960_GOFFSET_L, DEFAULT_GOFFSET) ) {
return false;
}
if( !i2c1_write(APDS9960_GOFFSET_R, DEFAULT_GOFFSET) ) {
return false;
}
if( !i2c1_write(APDS9960_GPULSE, DEFAULT_GPULSE) ) {
return false;
}
if( !i2c1_write(APDS9960_GCONF3, DEFAULT_GCONF3) ) {
return false;
}
if( !setGestureIntEnable(DEFAULT_GIEN) ) {
return false;
}
#if 0
/* Gesture config register dump */
uint8_t reg;
uint8_t val;
for(reg = 0x80; reg <= 0xAF; reg++) {
if( (reg != 0x82) && \
(reg != 0x8A) && \
(reg != 0x91) && \
(reg != 0xA8) && \
(reg != 0xAC) && \
(reg != 0xAD) )
{
i2c1_read(reg, val,1);
//debugPutChar(reg);
debugPutString(": 0x");
//debugPutChar(val);
}
}
for(reg = 0xE4; reg <= 0xE7; reg++) {
i2c1_read(reg, val,1);
//debugPutChar(reg);
debugPutString(": 0x");
//debugPutChar(val);
}
#endif
return true;
}/* End of this function */
/* ----------------------------------------------------------------------------*
*
* Function Name : processGestureData(void)
*
* Description :Processes the raw gesture data to determine swipe direction
*
* Input : None
*
* Output : None
*
* Return : True if near or far state seen. False otherwise.
* ----------------------------------------------------------------------------*
* Authors: Sarath S
* Date: May 17, 2017
* ---------------------------------------------------------------------------*/
int processGestureData(void)
{
uint8_t u_first = 0;
uint8_t d_first = 0;
uint8_t l_first = 0;
uint8_t r_first = 0;
uint8_t u_last = 0;
uint8_t d_last = 0;
uint8_t l_last = 0;
uint8_t r_last = 0;
int ud_ratio_first;
int lr_ratio_first;
int ud_ratio_last;
int lr_ratio_last;
int ud_delta;
int lr_delta;
int i;
/* If we have less than 4 total gestures, that's not enough */
if( gesture_data_.total_gestures <= 4 ) {
return false;
}
/* Check to make sure our data isn't out of bounds */
if( (gesture_data_.total_gestures <= 32) && \
(gesture_data_.total_gestures > 0) ) {
/* Find the first value in U/D/L/R above the threshold */
for( i = 0; i < gesture_data_.total_gestures; i++ ) {
if( (gesture_data_.u_data[i] > GESTURE_THRESHOLD_OUT) &&
(gesture_data_.d_data[i] > GESTURE_THRESHOLD_OUT) &&
(gesture_data_.l_data[i] > GESTURE_THRESHOLD_OUT) &&
(gesture_data_.r_data[i] > GESTURE_THRESHOLD_OUT) ) {
u_first = gesture_data_.u_data[i];
d_first = gesture_data_.d_data[i];
l_first = gesture_data_.l_data[i];
r_first = gesture_data_.r_data[i];
break;
}
}
/* If one of the _first values is 0, then there is no good data */
if( (u_first == 0) || (d_first == 0) || \
(l_first == 0) || (r_first == 0) ) {
return false;
}
/* Find the last value in U/D/L/R above the threshold */
for( i = gesture_data_.total_gestures - 1; i >= 0; i-- ) {
#if DEBUGPRINT
debugPutString("Finding last: ");
debugPutString("U:");
debugPutChar(gesture_data_.u_data[i]);
debugPutString(" D:");
debugPutChar(gesture_data_.d_data[i]);
debugPutString(" L:");
debugPutChar(gesture_data_.l_data[i]);
debugPutString(" R:");
debugPutChar(gesture_data_.r_data[i]);
debugPutString("\r\n");
#endif
if( (gesture_data_.u_data[i] > GESTURE_THRESHOLD_OUT) &&
(gesture_data_.d_data[i] > GESTURE_THRESHOLD_OUT) &&
(gesture_data_.l_data[i] > GESTURE_THRESHOLD_OUT) &&
(gesture_data_.r_data[i] > GESTURE_THRESHOLD_OUT) ) {
u_last = gesture_data_.u_data[i];
d_last = gesture_data_.d_data[i];
l_last = gesture_data_.l_data[i];
r_last = gesture_data_.r_data[i];
break;
}
}
}
/* Calculate the first vs. last ratio of up/down and left/right */
ud_ratio_first = ((u_first - d_first) * 100) / (u_first + d_first);
lr_ratio_first = ((l_first - r_first) * 100) / (l_first + r_first);
ud_ratio_last = ((u_last - d_last) * 100) / (u_last + d_last);
lr_ratio_last = ((l_last - r_last) * 100) / (l_last + r_last);
#if DEBUGPRINT
debugPutString("Last Values: ");
debugPutString("U:");
debugPutChar(u_last);
debugPutString(" D:");
debugPutChar(d_last);
debugPutString(" L:");
debugPutChar(l_last);
debugPutString(" R:");
debugPutChar(r_last);
debugPutString("\r\n");
debugPutString("Ratios: ");
debugPutString("UD Fi: ");
debugPutChar(ud_ratio_first);
debugPutString(" UD La: ");
debugPutChar(ud_ratio_last);
debugPutString(" LR Fi: ");
debugPutChar(lr_ratio_first);
debugPutString(" LR La: ");
debugPutChar(lr_ratio_last);
debugPutString("\r\n");
#endif
/* Determine the difference between the first and last ratios */
ud_delta = ud_ratio_last - ud_ratio_first;
lr_delta = lr_ratio_last - lr_ratio_first;
#if DEBUGPRINT
debugPutString("Deltas: ");
debugPutString("UD: ");
debugPutChar(ud_delta);
debugPutString(" LR: ");
debugPutChar(lr_delta);
debugPutString("\r\n");
#endif
/* Accumulate the UD and LR delta values */
gesture_ud_delta_ += ud_delta;
gesture_lr_delta_ += lr_delta;
#if DEBUGPRINT
debugPutString("Accumulations: ");
debugPutString("UD: ");
debugPutChar(gesture_ud_delta_);
debugPutString(" LR: ");
debugPutChar(gesture_lr_delta_);
debugPutString("\r\n");
#endif
/* Determine U/D gesture */
if( gesture_ud_delta_ >= GESTURE_SENSITIVITY_1 ) {
gesture_ud_count_ = 1;
} else if( gesture_ud_delta_ <= -GESTURE_SENSITIVITY_1 ) {
gesture_ud_count_ = -1;
} else {
gesture_ud_count_ = 0;
}
/* Determine L/R gesture */
if( gesture_lr_delta_ >= GESTURE_SENSITIVITY_1 ) {
gesture_lr_count_ = 1;
} else if( gesture_lr_delta_ <= -GESTURE_SENSITIVITY_1 ) {
gesture_lr_count_ = -1;
} else {
gesture_lr_count_ = 0;
}
/* Determine Near/Far gesture */
if( (gesture_ud_count_ == 0) && (gesture_lr_count_ == 0) ) {
if( (abs(ud_delta) < GESTURE_SENSITIVITY_2) && \
(abs(lr_delta) < GESTURE_SENSITIVITY_2) ) {
if( (ud_delta == 0) && (lr_delta == 0) ) {
gesture_near_count_++;
} else if( (ud_delta != 0) || (lr_delta != 0) ) {
gesture_far_count_++;
}
if( (gesture_near_count_ >= 10) && (gesture_far_count_ >= 2) ) {
if( (ud_delta == 0) && (lr_delta == 0) ) {
gesture_state_ = NEAR_STATE;
} else if( (ud_delta != 0) && (lr_delta != 0) ) {
gesture_state_ = FAR_STATE;
}
return true;
}
}
} else {
if( (abs(ud_delta) < GESTURE_SENSITIVITY_2) && \
(abs(lr_delta) < GESTURE_SENSITIVITY_2) ) {
if( (ud_delta == 0) && (lr_delta == 0) ) {
gesture_near_count_++;
}
if( gesture_near_count_ >= 10 ) {
gesture_ud_count_ = 0;
gesture_lr_count_ = 0;
gesture_ud_delta_ = 0;
gesture_lr_delta_ = 0;
}
}
}
#if DEBUGPRINT
debugPutString("UD_CT: ");
debugPutChar(gesture_ud_count_);
debugPutString(" LR_CT: ");
debugPutChar(gesture_lr_count_);
debugPutString(" NEAR_CT: ");
debugPutChar(gesture_near_count_);
debugPutString(" FAR_CT: ");
debugPutChar(gesture_far_count_);
debugPutString("----------");
#endif
return false;
}/* End of this function */