static void Run(void) {
bool doSampling = FALSE;
bool triggered = FALSE;
uint32_t heartBeat;
frequencyDivider freqDivider; // supported from V1.02
unsigned long data;
unsigned char cmd;
int i = 0;
// prepare SUMP variables
triggerData[0].mask = 0;
triggerData[0].values = 0;
triggerData[0].configuration = 0;
triggerData[1].mask = 0;
triggerData[1].values = 0;
triggerData[1].configuration = 0;
triggerData[2].mask = 0;
triggerData[2].values = 0;
triggerData[2].configuration = 0;
triggerData[3].mask = 0;
triggerData[3].values = 0;
triggerData[3].configuration = 0;
// and preset Timer
setSampleFrequency(DEFAULT_CLOCK_DIVIDER);
heartBeat = DEFAULT_HEARTBEAT_COUNTER;
for(;;) {
i++;
if (i > heartBeat) { /* heartbeat LED (red) if not sampling */
if (!doSampling) {
LEDR_Neg();
}
i = 0;
}
if (finishedSampling) {
finishedSampling = FALSE;
doSampling = FALSE;
triggered = FALSE;
SendData();
LEDR_Off();
LEDG_Off();
}
if (AS1_GetCharsInRxBuf()!=0) {
cmd = GetChar();
switch (cmd) {
case SUMP_RESET:
finishedSampling = FALSE;
doSampling = FALSE;
triggered = FALSE;
LEDR_Off();
LEDG_Off();
break;
case SUMP_RUN:
bufferSize = BUFFERSIZE;
finishedSampling = FALSE;
doSampling = TRUE;
if (triggerData[0].mask==0) { // no trigger active, simply start sampling
LEDR_Off();
//LEDB_On();
triggered = TRUE;
TransferDMA();
} else {
LEDR_Off();
LEDG_On();
while (!triggered) {
// Use short (fast) loop to detect trigger
data = (Byte1_GetVal() & 0xFF);
/* for now, we support only reading from 8 Probes
data = ( Byte2_GetVal() & 0xFF ) << 8;
data = ( Byte3_GetVal() & 0xFF ) << 16;
data = ( Byte4_GetVal() & 0xFF ) << 24;
*/
/* use this, if single condition mask (AND) needed */
if (!triggered && triggerData[0].mask != 0) {
if ((data & triggerData[0].mask) == triggerData[0].values) { /* matching trigger */
/* use this, if multiple conditions (OR) are needed
for (i = 0; i < DEVICE_NOF_PROBES; i++)
{ // we can handle all supported 32 Bits
if ((triggerData[0].mask & 1 << i) > 0)
{ // if mask bit is set, check if values bit meets the probe bit
if ((triggerData[0].values & 1 << i)
== (data & 1 << i))
{ // yes, we start if any trigger bit meets condition (primitive trigger only)
*/
LEDG_Off();
//LEDB_On();
triggered = TRUE;
// enable DMA AND Trigger first transfer to pick up Trigger
// port value from Port
// TODO: replace trigger handling by GPIO external trigger
// for Level and Edge
TransferDMA();
break;
} /* if */
} /* if */
// BUT : do not lockup the analyzer!!!
if (AS1_GetCharsInRxBuf()!= 0 && GetChar() == SUMP_RESET) {
finishedSampling = FALSE;
doSampling = FALSE;
triggered = FALSE;
//LEDB_Off();
LEDG_Off();
break; // leave the While(!triggered) loop
} /* while */
} /* while */
} /* if-else */
break;
case SUMP_ID:
PutString("1ALS");
break;
case SUMP_GET_METADATA:
/* device name: */
PutChar(0x01);
PutString(DEVICE_NAME);
PutChar(0x00);
/* 'Firmware version: */
PutChar(0x02);
PutString(DEVICE_FW_VERSION);
PutChar(0x00);
/* 'Ancillary' version: */
PutChar(0x03);
PutString(DEVICE_ANCILLARY);
PutChar(0x00);
/* amount of sample memory available (bytes) */
SUMP_sendmeta_uint32(0x21, BUFFERSIZE);
/* maximum sample rate (Hz) */
SUMP_sendmeta_uint32(0x23, MAX_SAMPLERATE);
/* number of usable probes (short) */
SUMP_sendmeta_uint8(0x40, DEVICE_NOF_PROBES);
/* protocol version (short) */
SUMP_sendmeta_uint8(0x41, DEVICE_PROTOCOL_VERSION);
/* end of meta data */
PutChar(0x00);
break;
/* long commands.. consume bytes from UART, NYI */
/* Set Trigger Mask*/
case 0xC0:
triggerData[0].mask = GetChar();
triggerData[0].mask |= GetChar() << 8;
triggerData[0].mask |= GetChar() << 16;
triggerData[0].mask |= GetChar() << 24;
break;
case 0xC4:
triggerData[1].mask = GetChar();
triggerData[1].mask |= GetChar() << 8;
triggerData[1].mask |= GetChar() << 16;
triggerData[1].mask |= GetChar() << 24;
break;
case 0xC8:
triggerData[2].mask = GetChar();
triggerData[2].mask |= GetChar() << 8;
triggerData[2].mask |= GetChar() << 16;
triggerData[2].mask |= GetChar() << 24;
break;
case 0xCC:
triggerData[3].mask = GetChar();
triggerData[3].mask |= GetChar() << 8;
triggerData[3].mask |= GetChar() << 16;
triggerData[3].mask |= GetChar() << 24;
break;
/* Set Trigger Values */
case 0xC1:
triggerData[0].values = GetChar();
triggerData[0].values |= GetChar() << 8;
triggerData[0].values |= GetChar() << 16;
triggerData[0].values |= GetChar() << 24;
break;
case 0xC5:
triggerData[1].values = GetChar();
triggerData[1].values |= GetChar() << 8;
triggerData[1].values |= GetChar() << 16;
triggerData[1].values |= GetChar() << 24;
break;
case 0xC9:
triggerData[2].values = GetChar();
triggerData[2].values |= GetChar() << 8;
triggerData[2].values |= GetChar() << 16;
triggerData[2].values |= GetChar() << 24;
break;
case 0xCD:
triggerData[3].values = GetChar();
triggerData[3].values |= GetChar() << 8;
triggerData[3].values |= GetChar() << 16;
triggerData[3].values |= GetChar() << 24;
break;
/* Set Trigger Configuration */
case 0xC2:
triggerData[0].configuration = GetChar();
triggerData[0].configuration |= GetChar() << 8;
triggerData[0].configuration |= GetChar() << 16;
triggerData[0].configuration |= GetChar() << 24;
break;
case 0xC6:
triggerData[1].configuration = GetChar();
triggerData[1].configuration |= GetChar() << 8;
triggerData[1].configuration |= GetChar() << 16;
triggerData[1].configuration |= GetChar() << 24;
break;
case 0xCA:
triggerData[2].configuration = GetChar();
triggerData[2].configuration |= GetChar() << 8;
triggerData[2].configuration |= GetChar() << 16;
triggerData[2].configuration |= GetChar() << 24;
break;
case 0xCE:
triggerData[3].configuration = GetChar();
triggerData[3].configuration |= GetChar() << 8;
triggerData[3].configuration |= GetChar() << 16;
triggerData[3].configuration |= GetChar() << 24;
break;
case SUMP_SET_DIVIDER:
// preliminary; received divider values seems to need more testing
freqDivider = GetChar();
freqDivider |= GetChar() << 8;
freqDivider |= GetChar() << 16;
(void)GetChar();
setSampleFrequency(freqDivider);
break;
case SUMP_SET_READ_DELAY_COUNT:
rdCount = GetChar();
rdCount |= GetChar() << 8;
rdCount |= GetChar() << 16;
rdCount |= GetChar() << 24;
break;
/* Set Flag */
case SUMP_SET_FLAGS:
flags = GetChar();
flags |= (GetChar() << 8);
flags |= (GetChar() << 16);
flags |= (GetChar() << 24);
break;
default:
break;
} /* switch */
}
}
}
JNIEXPORT jint JNICALL Java_com_starlab_component_processor_jni_JNIderivative_nativeSetSampleFrequency
(JNIEnv *env, jobject obj, jint id, jint sampleFrequency)
{
return setSampleFrequency(id, sampleFrequency);
}
