CCS/CC1352P: How to change RF parameters in realtime?

/*
 * Copyright (c) 2019, Texas Instruments Incorporated
 * All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
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 *
 * *  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 Texas Instruments Incorporated 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 THE COPYRIGHT OWNER OR
 * CONTRIBUTORS 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;
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 * 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.
 */

/***** Includes *****/
/* Standard C Libraries */
#include <stdlib.h>
#include <unistd.h>

/* TI Drivers */
#include <ti/drivers/rf/RF.h>
#include <ti/drivers/PIN.h>
#include <ti/drivers/pin/PINCC26XX.h>

/* Driverlib Header files */
#include DeviceFamily_constructPath(driverlib/rf_prop_mailbox.h)

/* Board Header files */
#include "ti_drivers_config.h"
#include <ti_radio_config.h>

/***** Defines *****/

/* Do power measurement */
//#define POWER_MEASUREMENT

/* Packet TX Configuration */
#define PAYLOAD_LENGTH      120
#ifdef POWER_MEASUREMENT
#define PACKET_INTERVAL     5  /* For power measurement set packet interval to 5s */
#else
#define PACKET_INTERVAL     10000//500000  /* Set packet interval to 500000us or 500ms */
#endif

/***** Prototypes *****/

/***** Variable declarations *****/
static RF_Object rfObject;
static RF_Handle rfHandle;
static RF_Params rfParams;
static RF_CmdHandle rfCmdHandle;

/* Pin driver handle */
static PIN_Handle ledPinHandle;
static PIN_State ledPinState;

/* Pin driver handles */
static PIN_Handle buttonPinHandle;
static PIN_State buttonPinState;

static uint8_t packet[PAYLOAD_LENGTH] = {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
};
static uint16_t seqNumber;

/*
 * Application LED pin configuration table:
 *   - All LEDs board LEDs are off.
 */
PIN_Config pinTable[] =
{
    CONFIG_PIN_GLED | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PIN_TERMINATE
};

PIN_Config buttonPinTable[] = {
    CONFIG_PIN_0  | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
    CONFIG_PIN_1  | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
    PIN_TERMINATE
};

/*
 *  ======== buttonCallbackFxn ========
 *  Push buttons callback function.
 */
void buttonCallbackFxn(PIN_Handle handle, PIN_Id pinId) {
    /* Debounce logic, only toggle if the button is still pushed (low) */
    CPUdelay(8000 * 50);
    if (!PIN_getInputValue(pinId)) {
        /* Toggle LED based on the button pressed */
        switch (pinId) {
            case CONFIG_PIN_0:
                RF_cancelCmd(rfHandle, rfCmdHandle, 0);
                RF_close(rfHandle);
                rfHandle = 0;

                RF_cmdFs.fractFreq = 0xE3CD;
                RF_cmdPropRadioDivSetup.modulation.deviation = 0x8C;
                RF_cmdPropRadioDivSetup.symbolRate.rateWord = 0xCCCD;
                RF_cmdPropRadioDivSetup.rxBw = 0x27;

                rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioDivSetup, &rfParams);
                rfCmdHandle = RF_postCmd(rfHandle, (RF_Op*)&RF_cmdFs, RF_PriorityNormal, NULL, 0);

                break;

            case CONFIG_PIN_1:
                RF_cancelCmd(rfHandle, rfCmdHandle, 0);
                RF_close(rfHandle);
                rfHandle = 0;

                RF_cmdFs.fractFreq = 0xA334;
                RF_cmdPropRadioDivSetup.modulation.deviation = 0x64;
                RF_cmdPropRadioDivSetup.symbolRate.rateWord = 0x8000;
                RF_cmdPropRadioDivSetup.rxBw = 0x52;

                rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioDivSetup, &rfParams);
                rfCmdHandle = RF_postCmd(rfHandle, (RF_Op*)&RF_cmdFs, RF_PriorityNormal, NULL, 0);

                break;

            default:
                /* Do nothing */
                break;
        }
    }
}

/***** Function definitions *****/

void *mainThread(void *arg0)
{
    RF_Params_init(&rfParams);

    /* Open LED pins */
    ledPinHandle = PIN_open(&ledPinState, pinTable);
    if (ledPinHandle == NULL)
    {
        while(1);
    }

    buttonPinHandle = PIN_open(&buttonPinState, buttonPinTable);
    if(!buttonPinHandle) {
        /* Error initializing button pins */
        while(1);
    }

    /* Setup callback for button pins */
    if (PIN_registerIntCb(buttonPinHandle, &buttonCallbackFxn) != 0) {
        /* Error registering button callback function */
        while(1);
    }

    RF_cmdPropTx.pktLen = PAYLOAD_LENGTH;
    RF_cmdPropTx.pPkt = packet;
    RF_cmdPropTx.startTrigger.triggerType = TRIG_NOW;

    /* Request access to the radio */
#if defined(DeviceFamily_CC26X0R2)
    rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioSetup, &rfParams);
#else
    rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioDivSetup, &rfParams);
#endif// DeviceFamily_CC26X0R2

    /* Set the frequency */
    rfCmdHandle = RF_postCmd(rfHandle, (RF_Op*)&RF_cmdFs, RF_PriorityNormal, NULL, 0);

    while(1)
    {
        /* Create packet with incrementing sequence number and random payload */
//        packet[0] = (uint8_t)(seqNumber >> 8);
//        packet[1] = (uint8_t)(seqNumber++);
//        uint8_t i;
//        for (i = 2; i < PAYLOAD_LENGTH; i++)
//        {
//            packet[i] = rand();
//        }

        RF_EventMask terminationReason;
        if(rfHandle != 0)
        /* Send packet */
        terminationReason = RF_runCmd(rfHandle, (RF_Op*)&RF_cmdPropTx,
                                                   RF_PriorityNormal, NULL, 0);

        switch(terminationReason)
        {
            case RF_EventLastCmdDone:
                // A stand-alone radio operation command or the last radio
                // operation command in a chain finished.
                break;
            case RF_EventCmdCancelled:
                // Command cancelled before it was started; it can be caused
            // by RF_cancelCmd() or RF_flushCmd().
                break;
            case RF_EventCmdAborted:
                // Abrupt command termination caused by RF_cancelCmd() or
                // RF_flushCmd().
                break;
            case RF_EventCmdStopped:
                // Graceful command termination caused by RF_cancelCmd() or
                // RF_flushCmd().
                break;
            default:
                // Uncaught error event
                //while(1);
                break;
        }

        uint32_t cmdStatus = ((volatile RF_Op*)&RF_cmdPropTx)->status;
        switch(cmdStatus)
        {
            case PROP_DONE_OK:
                // Packet transmitted successfully
                break;
            case PROP_DONE_STOPPED:
                // received CMD_STOP while transmitting packet and finished
                // transmitting packet
                break;
            case PROP_DONE_ABORT:
                // Received CMD_ABORT while transmitting packet
                break;
            case PROP_ERROR_PAR:
                // Observed illegal parameter
                break;
            case PROP_ERROR_NO_SETUP:
                // Command sent without setting up the radio in a supported
                // mode using CMD_PROP_RADIO_SETUP or CMD_RADIO_SETUP
                break;
            case PROP_ERROR_NO_FS:
                // Command sent without the synthesizer being programmed
                break;
            case PROP_ERROR_TXUNF:
                // TX underflow observed during operation
                break;
            default:
                // Uncaught error event - these could come from the
                // pool of states defined in rf_mailbox.h
                //while(1);
                break;
        }

#ifndef POWER_MEASUREMENT
        PIN_setOutputValue(ledPinHandle, CONFIG_PIN_GLED,!PIN_getOutputValue(CONFIG_PIN_GLED));
#endif
        if(rfHandle != 0)
        /* Power down the radio */
        RF_yield(rfHandle);

#ifdef POWER_MEASUREMENT
        /* Sleep for PACKET_INTERVAL s */
        sleep(PACKET_INTERVAL);
#else
        /* Sleep for PACKET_INTERVAL us */
        usleep(PACKET_INTERVAL);
#endif

    }
}