CC2640R2F: abort the "RF_cmdTxTest" command

I found out that by setting the RF_cmdTxTest fields as follow, the CW transmission can be aborted after a specific time:

.endTrigger.triggerType = 0x4,
.endTrigger.bEnaCmd = 0x1,
.endTrigger.triggerNo = 0x2,
.endTrigger.pastTrig = 0x1,
.syncWord = 0x930B51DE,
.endTime = 0x00000800

Now, I have two new questions:
1. Is it possible to return from the RF_cmdTxTest command to run other code (like controlling GPIOs) while the radio still transmitting?
2. Each time I want to call the RF_cmdTxTest, I need to call the RF_cmdFs to set the frequency synthesizer and wait for the synthesizer to lock (~ 600us). Is it possible to avoid re-tuning the synthesizer?

Thanks,
Mohamad

1. Yes.
2. If you don't need to change the frequency that you don't need to call the RF_cmdFs

You can do
RF_cmdTxTest.endTime = RF_getCurrentTime() + "how long you want it to last"
The duration you want it to last has to be converted.
The radio timer counts as tick number. 4 ticks = 1 us.
Therefore if you want it to end after 100us, then the value you need to plug in into " " will be 400.

Hi Christin

Thanks for the reply.
Regarding my first question: Can you explain a bit more. I am using the "rfCarrierWave_CC2640R2_LAUNCHXL_nortos_ccs" project with the smart_rf_settings files exported from SmartRF Studio 7. The RF_cmd_TxTest is as follows:

rfc_CMD_TX_TEST_t RF_cmdTxTest =
{
.commandNo = 0x0808,
.status = 0x0000,
.pNextOp = 0, // INSERT APPLICABLE POINTER: (uint8_t*)&xxx
.startTime = 0x00000000,
.startTrigger.triggerType = 0x0,
.startTrigger.bEnaCmd = 0x0,
.startTrigger.triggerNo = 0x0,
.startTrigger.pastTrig = 0x0,
.condition.rule = 0x1,
.condition.nSkip = 0x0,
.config.bUseCw = 0x1,
.config.bFsOff = 0x1,
.config.whitenMode = 0x2,
.__dummy0 = 0x00,
.txWord = 0xFFFF,
.__dummy1 = 0x00,
.endTrigger.triggerType = 0x4,
.endTrigger.bEnaCmd = 0x0,
.endTrigger.triggerNo = 0x0,
.endTrigger.pastTrig = 0x0,
.syncWord = 0x930B51DE,
.endTime = 0x00000000
};

and I modified the mainThread function as follows:
/* Send CMD_FS and wait until it has completed */
RF_runCmd(rfHandle, (RF_Op*)&RF_cmdFs, RF_PriorityNormal, NULL, 0);

RF_cmdTxTest.endTime = 40000000; //10s CW output

RF_runCmd(rfHandle, (RF_Op*)&RF_cmdTxTest, RF_PriorityNormal, NULL, 0);

while (1)
{
if (redLed == 0)
redLed = 1;
else
redLed = 0;
PIN_setOutputValue(redLedPinHandle, CC2640R2_LAUNCHXL_PIN_RLED, redLed);
CPUdelay(10000000);
}

I am using an RF power detector to check the RF output power.
I get a 10sec pulse at the output of power detector (as expected). but the redLed starts to toggle after 10sec. (i.e. When the radio transmission is over.) Is there a way to toggle the LED while the radio still transmitting?

Regarding my second question: if I don't call the RF_cmdFs each time before the RF_cmdTxTest, I won't see anything at the RF output.

Thanks for your help,
Mohamad