[参考译文] LAUNCHXL-CC1310：在将电路板模式从 Tx 更改为 Rx 或相反时出现通信问题

第一板代码：

/** Includes **/
#include <stdlib.h>

/* XDCtools Header files */
#include <xdc/std.h>
#include <xdc/runtime/Assert.h>

/* BIOS Header files */
#include <ti/sysbios/BIOS.h>
#include <ti/sysbios/knl/Semaphore.h>
#include <ti/sysbios/knl/Task.h>
#include <ti/sysbios/knl/Clock.h>

/* TI-RTOS Header files */
#include <ti/drivers/rf/RF.h>
#include <ti/drivers/PIN.h>
#include <ti/display/Display.h>
#include <ti/drivers/pin/PINCC26XX.h>

#include <ti/devices/DeviceFamily.h>
#include DeviceFamily_constructPath(driverlib/cpu.h)
#include DeviceFamily_constructPath(driverlib/rf_prop_mailbox.h)

/* Board Header files */
#include "Board.h"

/* RF settings */
#include "RFQueue.h"
#include "smartrf_settings/smartrf_settings.h"

/** Defines **/
/* Wake-on-Radio configuration */
#define WOR_WAKEUPS_PER_SECOND 2

/* TX number of random payload bytes */
#define PAYLOAD_LENGTH 30

/* WOR Example configuration defines */
#define WOR_PREAMBLE_TIME_RAT_TICKS(x) \
    ((uint32_t)(4000000*(1.0f/(x))))

/* TX task stack size and priority */
#define TX_TASK_STACK_SIZE 1024
#define TX_TASK_PRIORITY   2

#define TIMEOUT_MS      1000

/* Packet RX Configuration */
#define DATA_ENTRY_HEADER_SIZE 8  /* Constant header size of a Generic Data Entry */
#define MAX_LENGTH             31 /* Max length byte the radio will accept */
#define NUM_DATA_ENTRIES       2  /* NOTE: Only two data entries supported at the moment */
#define NUM_APPENDED_BYTES     1  /* The Data Entries data field will contain:
                                   * 1 Header byte (RF_cmdPropRx.rxConf.bIncludeHdr = 0x1)
                                   * Max 30 payload bytes
                                   * 1 status byte (RF_cmdPropRx.rxConf.bAppendStatus = 0x1) */


/** Prototypes **/
static void txTaskFunction(UArg arg0, UArg arg1);
static void initializeTxAdvCmdFromTxCmd(rfc_CMD_PROP_TX_ADV_t* RF_cmdPropTxAdv, rfc_CMD_PROP_TX_t* RF_cmdPropTx);
static void callback(RF_Handle h, RF_CmdHandle ch, RF_EventMask e);

/** Variable declarations **/
/* TX task objects and task stack */
static Task_Params txTaskParams;
Task_Struct txTask;    /* not static so you can see in ROV */
static uint8_t txTaskStack[TX_TASK_STACK_SIZE];

/* TX packet payload (length +1 to fit length byte) and sequence number */
static uint8_t packet[PAYLOAD_LENGTH +1];

/* RF driver objects and handles */
static RF_Object rfObject;
static RF_Handle rfHandle;

/* Pin driver objects and handles */
static PIN_Handle ledPinHandle;
static PIN_Handle buttonPinHandle;
static PIN_State ledPinState;
static PIN_State buttonPinState;

/* TX Semaphore */
static Semaphore_Struct txSemaphore;
static Semaphore_Handle txSemaphoreHandle;

/* Advanced TX command for sending long preamble */
static rfc_CMD_PROP_TX_ADV_t RF_cmdPropTxAdv;

/* RF Rx Conf*/
static uint8_t rxDataEntryBuffer[RF_QUEUE_DATA_ENTRY_BUFFER_SIZE(NUM_DATA_ENTRIES,
                                                  MAX_LENGTH,
                                                  NUM_APPENDED_BYTES)];

/* Receive dataQueue for RF Core to fill in data */
static dataQueue_t dataQueue;
static rfc_dataEntryGeneral_t* currentDataEntry;
static uint8_t packetLength;
static uint8_t* packetDataPointer;
bool flagPropDone = false;
bool flagRxRcv = false;

static uint8_t packet_Rx[MAX_LENGTH + NUM_APPENDED_BYTES - 1]; /* The length byte is stored in a separate variable */
static volatile bool bRxSuccess = false;

/* Receive Statistics */
static rfc_propRxOutput_t rxStatistics;

/*
 * Application LED pin configuration table:
 *   - All LEDs board LEDs are off.
 */
PIN_Config pinTable[] =
{
    Board_PIN_LED0 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PINCC26XX_DIO29 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PINCC26XX_DIO30 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    Board_PIN_LED1 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,   
	PIN_TERMINATE
};

/*
 * Application button pin configuration table:
 *   - Buttons interrupts are configured to trigger on falling edge.
 */
PIN_Config buttonPinTable[] = {
    Board_PIN_BUTTON0 | PIN_INPUT_EN | PIN_PULLUP | PIN_IRQ_NEGEDGE,
    PIN_TERMINATE
};


/** Function definitions **/
/* Pin interrupt Callback function board buttons configured in the pinTable. */
void buttonCallbackFunction(PIN_Handle handle, PIN_Id pinId) {

    /* Simple debounce logic, only toggle if the button is still pushed (low) */
    CPUdelay((uint32_t)((48000000/3)*0.050f));
    if (!PIN_getInputValue(pinId)) {
        /* Post TX semaphore to TX task */
        Semaphore_post(txSemaphoreHandle);
    }
}

/* TX task function. Executed in Task context by TI-RTOS when the scheduler starts. */
static void txTaskFunction(UArg arg0, UArg arg1)
{
    /* Setup callback for button pins */
    PIN_Status status = PIN_registerIntCb(buttonPinHandle, &buttonCallbackFunction);
    Assert_isTrue((status == PIN_SUCCESS), NULL);

    RF_Params_init(&rfParams);
    PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO29, PINCC26XX_MUX_RFC_GPO0);
    PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO30, PINCC26XX_MUX_RFC_GPO1);
    /* Create queue and data entries (Grd) */
    //preallocated = önceden tahsis edilmiş
    if (RFQueue_defineQueue(&dataQueue,
                            rxDataEntryBuffer,
                            sizeof(rxDataEntryBuffer),
                            NUM_DATA_ENTRIES,
                            MAX_LENGTH + NUM_APPENDED_BYTES))
    {
        /* Failed to allocate space for all data entries */
        while(1);
    }

    /* Modify CMD_PROP_TX and CMD_PROP_RX commands for application needs */
    /* Set the Data Entity queue for received data */
    RF_cmdPropRx.pQueue = &dataQueue;
    /* Discard (AT)  ignored (YKSY) packets from Rx queue */
    RF_cmdPropRx.rxConf.bAutoFlushIgnored = 1;
    /* Discard packets with CRC error from Rx queue */
    RF_cmdPropRx.rxConf.bAutoFlushCrcErr = 1;
    /* Implement packet length filtering to avoid PROP_ERROR_RXBUF */
    RF_cmdPropRx.maxPktLen = PAYLOAD_LENGTH;

    /* End RX operation when a packet is received correctly and move on to the
     * next command in the chain
     * TR - Bir paket doğru bir şekilde alındığında RX işlemini sonlandırın ve
     * zincirdeki bir sonraki komuta geçin */

    RF_cmdPropRx.pktConf.bRepeatOk = 0;
    RF_cmdPropRx.pktConf.bRepeatNok = 1;
    RF_cmdPropRx.startTrigger.triggerType = TRIG_NOW;
    RF_cmdPropRx.pNextOp = (rfc_radioOp_t *)&RF_cmdPropTx;

    /* Only (SDC) run the TX command if RX is successful */
    RF_cmdPropRx.condition.rule = COND_STOP_ON_FALSE;
    RF_cmdPropRx.pOutput = (uint8_t *)&rxStatistics;

    /* Initialize TX_ADV command from TX command */
    initializeTxAdvCmdFromTxCmd(&RF_cmdPropTxAdv, &RF_cmdPropTx);

    /* Set application specific fields */
    RF_cmdPropTxAdv.pktLen = PAYLOAD_LENGTH +1; /* +1 for length byte */
    RF_cmdPropTxAdv.pPkt = packet;
    RF_cmdPropTxAdv.preTrigger.triggerType = TRIG_REL_START;
    RF_cmdPropTxAdv.preTime = WOR_PREAMBLE_TIME_RAT_TICKS(WOR_WAKEUPS_PER_SECOND);

    /* Request access to the radio */
    rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioDivSetup, &rfParams);

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

    /* Enter main TX loop */
    while(1)
    {
        /* Wait for a button press */
        Semaphore_pend(txSemaphoreHandle, BIOS_WAIT_FOREVER);

        packet[0] = PAYLOAD_LENGTH;
        packet[1] = 0xAA;
        packet[2] = 0xBB;
        packet[3] = 'I';
        packet[4] = 'N';
        packet[5] = 'O';
        packet[6] = 'V';
        packet[7] = 'A';
        packet[8] = 'R';

        /* Send packet */
        RF_runCmd(rfHandle, (RF_Op*)&RF_cmdPropTxAdv, RF_PriorityNormal,callback, (RF_EventRxEntryDone | RF_EventLastCmdDone));

        switch(RF_cmdPropTxAdv.status)
        {
            case PROP_DONE_OK:
                // Packet transmitted successfully
                PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO29, PINCC26XX_MUX_RFC_GPO0);
                PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO30, PINCC26XX_MUX_RFC_GPO1);

                RF_runCmd(rfHandle, (RF_Op*)&RF_cmdPropRx, RF_PriorityNormal,callback, (RF_EventRxEntryDone | RF_EventLastCmdDone));

                /* Log RX_SNIFF status */
                switch(RF_cmdPropRx.status) {
                    case PROP_DONE_IDLE:
                        /* Idle based on RSSI */
                        break;
                    case PROP_DONE_IDLETIMEOUT:
                        /* Idle based on PQT */
                        break;
                    case PROP_DONE_RXTIMEOUT:
                        /* Got valid preamble on the air, but did not find sync word */
                        break;
                    case PROP_DONE_OK:
                         //Packet Receive successfully
                         flagRxRcv = true;

                         /* LED1, LED2 close */
                         PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 0);
                         PIN_setOutputValue(ledPinHandle, Board_PIN_LED2, 0);
                        break;
                    default:
                        /* Unhandled status */
                        break;
                };

                break;
            default:
                // Uncaught error event - these could come from the
                // pool of states defined in rf_mailbox.h
                while(1);
        }
    }
}

/* Copy the basic RX configuration from CMD_PROP_RX to CMD_PROP_RX_SNIFF command. */
static void initializeTxAdvCmdFromTxCmd(rfc_CMD_PROP_TX_ADV_t* RF_cmdPropTxAdv, rfc_CMD_PROP_TX_t* RF_cmdPropTx)
{
    #define RADIO_OP_HEADER_SIZE 14

    /* Copy general radio operation header from TX commmand to TX_ADV */
    memcpy(RF_cmdPropTxAdv, RF_cmdPropTx, RADIO_OP_HEADER_SIZE);

    /* Set command to CMD_PROP_TX_ADV */
    RF_cmdPropTxAdv->commandNo = CMD_PROP_TX_ADV;

    /* Copy over relevant parameters */
    RF_cmdPropTxAdv->pktConf.bFsOff = RF_cmdPropTx->pktConf.bFsOff;
    RF_cmdPropTxAdv->pktConf.bUseCrc = RF_cmdPropTx->pktConf.bUseCrc;
    RF_cmdPropTxAdv->syncWord = RF_cmdPropTx->syncWord;
}


/*
 *  ======== main ========
 */
int main(void){
    /* Call driver init functions. */
    Board_initGeneral();
    Display_init();

    /* Open LED pins */
    ledPinHandle = PIN_open(&ledPinState, pinTable);
    Assert_isTrue(ledPinHandle != NULL, NULL);

    /* Open Button pins */
    buttonPinHandle = PIN_open(&buttonPinState, buttonPinTable);
    Assert_isTrue(buttonPinHandle != NULL, NULL);

    /* Initialize TX semaphore */
    Semaphore_construct(&txSemaphore, 0, NULL);
    txSemaphoreHandle = Semaphore_handle(&txSemaphore);

    /* Initialize and create TX task */
    Task_Params_init(&txTaskParams);
    txTaskParams.stackSize = TX_TASK_STACK_SIZE;
    txTaskParams.priority = TX_TASK_PRIORITY;
    txTaskParams.stack = &txTaskStack;
    Task_construct(&txTask, txTaskFunction, &txTaskParams, NULL);

    /* Start BIOS */
    BIOS_start();

    return (0);
}

void callback(RF_Handle h, RF_CmdHandle ch, RF_EventMask e)
{
    if((e & RF_EventCmdDone) && !(e & RF_EventLastCmdDone))
    {
        /* Successful TX */
        /* Toggle LED1, clear LED2 to indicate TX */
        PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 0);
        PIN_setOutputValue(ledPinHandle, Board_PIN_LED2, 0);
    }
    else if(e & RF_EventRxEntryDone)
    {
        /* Successful RX */
        bRxSuccess = true;

        /* Get current unhandled data entry */
        currentDataEntry = RFQueue_getDataEntry();

        /* Handle the packet data, located at &(currentDataEntry->data):
         * - Length is the first byte with the current configuration
         * - Data starts from the second byte
         */
        packetLength      = *(uint8_t *)(&(currentDataEntry->data));
        packetDataPointer = (uint8_t *)(&(currentDataEntry->data) + 1);

        /* Copy the payload + status byte to the packet_Rx variable */
        memcpy(packet_Rx, packetDataPointer, (packetLength + 1));

        /* Check the packet against what was transmitted */
        int16_t status = memcmp(packet, packet_Rx, packetLength);

        if(status == 0)
        {
            /* Toggle LED1, clear LED2 to indicate RX */
            PIN_setOutputValue(ledPinHandle, Board_PIN_LED1,
                               !PIN_getOutputValue(Board_PIN_LED1));
            PIN_setOutputValue(ledPinHandle, Board_PIN_LED2, 0);


        }
        else
        {
            /* Error Condition: set both LEDs */
            PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 1);
            PIN_setOutputValue(ledPinHandle, Board_PIN_LED2, 1);

            memset(packet_Rx,'0',sizeof(packet));
        }

        RFQueue_nextEntry();
    }
    else if((e & RF_EventLastCmdDone) && !(e & RF_EventRxEntryDone))
    {
        if(bRxSuccess == true)
        {
            /* Received packet successfully but RX command didn't complete at
             * the same time RX_ENTRY_DONE event was raised. Reset the flag
             */
            bRxSuccess = false;
        }
        else
        {
            /* RX timed out */
            /* Set LED2, clear LED1 to indicate TX */
            PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 0);
            PIN_setOutputValue(ledPinHandle, Board_PIN_LED2, 1);
        }
    }
    else
    {
        /* Error Condition: set both LEDs */
        PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 1);
        PIN_setOutputValue(ledPinHandle, Board_PIN_LED2, 1);
    }
}

第二板代码：

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

/* XDCtools Header files */
#include <xdc/std.h>
#include <xdc/runtime/System.h>
#include <xdc/runtime/Assert.h>

/* BIOS Header files */
#include <ti/sysbios/BIOS.h>
#include <ti/drivers/SPI.h>
#include <ti/sysbios/knl/Task.h>
#include <ti/sysbios/knl/Clock.h>

/* TI-RTOS Header files */
#include <ti/drivers/rf/RF.h>
#include <ti/drivers/PIN.h>
#include <ti/drivers/pin/PINCC26XX.h>

#include "ti/devices/cc13x0/driverlib/sys_ctrl.h"

/* Board Header files */
#include "Board.h"

/* Application Header files */
#include "RFQueue.h"
#include "smartrf_settings/smartrf_settings.h"

#include <ti/devices/DeviceFamily.h>
#include DeviceFamily_constructPath(driverlib/rf_prop_mailbox.h)

/** Defines **/
/* Wake-on-Radio wakeups per second */
#define WOR_WAKEUPS_PER_SECOND  2

/* Wake-on-Radio mode. Can be:
 * - RSSI only
 * - PQT, preamble detection
 * - Both, first RSSI and then PQT if RSSI  */
#define WOR_MODE CarrierSenseMode_RSSIandPQT

/* Threshold for RSSI based Carrier Sense in dBm */
#define WOR_RSSI_THRESHOLD      ((int8_t)(-111))

/* Data Rate in use */
#define WOR_RF_PHY_DATARATE_50KBPS  0 // 2-GFSK 50Kbps
#define WOR_RF_PHY_DATARATE_100KBPS 1 // 2-GFSK 100Kbps
#define WOR_RF_PHY_DATARATE_200KBPS 2 // 2-GFSK 200Kbps
#define WOR_RF_PHY_DATARATE_300KBPS 3 // 2-GFSK 300Kbps
#define WOR_RF_PHY_DATARATE_400KBPS 4 // 2-GFSK 400Kbps
#define WOR_RF_PHY_DATARATE_500KBPS 5 // 2-GFSK 500Kbps

#define WOR_RF_PHY_DATARATE WOR_RF_PHY_DATARATE_50KBPS

/* Macro used to set actual wakeup interval */
#define WOR_WAKE_UP_MARGIN_S 0.005f
#define WOR_WAKE_UP_INTERVAL_RAT_TICKS(x) \
    ((uint32_t)(4000000*(1.0f/(x) - (WOR_WAKE_UP_MARGIN_S))))

/* TI-RTOS Task configuration */
#define RX_TASK_STACK_SIZE 1024
#define RX_TASK_PRIORITY   2

/* TX Configuration */
#define DATA_ENTRY_HEADER_SIZE 8  /* Constant header size of a Generic Data Entry */
#define MAX_LENGTH             31 /* Max length byte the radio will accept */
#define NUM_DATA_ENTRIES       2  /* NOTE: Only two data entries supported at the moment */
#define NUM_APPENDED_BYTES     1  /* Length byte included in the stored packet */


/* TX number of random payload bytes */
#define PAYLOAD_LENGTH 30

/* TX packet payload (length +1 to fit length byte) and sequence number */
static uint8_t packet[PAYLOAD_LENGTH +1];
static uint16_t seqNumber;

/* Advanced TX command for sending long preamble */
//static rfc_CMD_PROP_TX_ADV_t RF_cmdPropTxAdv;

/** Type declarations **/
/* General wake-on-radio RX statistics */
struct WorStatistics {
  uint32_t doneIdle;
  uint32_t doneIdleTimeout;
  uint32_t doneRxTimeout;
  uint32_t doneOk;
};

/* Modes of carrier sense possible */
enum CarrierSenseMode {
    CarrierSenseMode_RSSI,
    CarrierSenseMode_PQT,
    CarrierSenseMode_RSSIandPQT,
};


/** Variable declarations **/
/* TX task objects and task stack */
static Task_Params rxTaskParams;
static Task_Struct rxTask,
                   spiTask;
static uint8_t rxTaskStack[RX_TASK_STACK_SIZE];

Char task0Stack[RX_TASK_STACK_SIZE];

Clock_Struct clk1Struct;
Clock_Handle clk1Handle;

/* RF driver object and handle */
static RF_Object rfObject;
static RF_Handle rfHandle;

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

/* General wake-on-radio sniff status statistics and statistics from the RF Core about received packets */
static volatile struct WorStatistics worStatistics;
static rfc_propRxOutput_t rxStatistics;

/*
 * Application LED pin configuration table:
 *   - All LEDs board LEDs are off.
 */
static PIN_Config pinTable[] =
{
    Board_PIN_LED0 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    Board_PIN_LED1 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PINCC26XX_DIO29 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PINCC26XX_DIO30 | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL | PIN_DRVSTR_MAX,
    PIN_TERMINATE
};

/* Buffer which contains all Data Entries for receiving data.
 * Pragmas are needed to make sure this buffer is 4 byte aligned (requirement from the RF Core) */
static uint8_t rxDataEntryBuffer[RF_QUEUE_DATA_ENTRY_BUFFER_SIZE(NUM_DATA_ENTRIES,
                                                                 MAX_LENGTH,
                                                                 NUM_APPENDED_BYTES)];

/* RX Data Queue and Data Entry pointer to read out received packets */
static dataQueue_t dataQueue;
static rfc_dataEntryGeneral_t* currentDataEntry;

/* Received packet's length and pointer to the payload */
static uint8_t packetLength;
static uint8_t* packetDataPointer;

static volatile uint8_t dummy;
static uint8_t packet_RX[MAX_LENGTH + NUM_APPENDED_BYTES - 1]; /* The length byte is stored in a separate variable */

/* Sniff command for doing combined Carrier Sense and RX*/
static rfc_CMD_PROP_RX_SNIFF_t RF_cmdPropRxSniff;

/* SPI Variable */
uint8_t Buf[16];
uint8_t gln[8];
uint16_t counterGln = 0;
uint8_t *s;

SPI_Handle      slaveSpi;
SPI_Params      spiParams;
SPI_Transaction transaction;

/** Prototypes **/
static void rxTaskFunction(UArg arg0, UArg arg1);
static void callback(RF_Handle h, RF_CmdHandle ch, RF_EventMask e);
static void initializeSniffCmdFromRxCmd(rfc_CMD_PROP_RX_SNIFF_t* rxSniffCmd, rfc_CMD_PROP_RX_t* rxCmd);
static void configureSniffCmd(rfc_CMD_PROP_RX_SNIFF_t* rxSniffCmd, enum CarrierSenseMode mode, uint32_t datarate, uint8_t wakeupPerSecond);
static uint32_t calculateSymbolRate(uint8_t prescaler, uint32_t rateWord);

// Callback function
static void transferCallback(SPI_Handle handle, SPI_Transaction *transaction)
{
    // Start another transfer
    SPI_transfer(handle, transaction);
}

void spiInit()
{
    SPI_Params_init(&spiParams);
    spiParams.frameFormat           = SPI_POL0_PHA1;
    spiParams.mode                  = SPI_SLAVE;
    spiParams.transferMode          = SPI_MODE_CALLBACK;
    spiParams.transferCallbackFxn   = transferCallback;
    spiParams.dataSize              = 8; //8bit
    //spiParams.bitRate               = 38460; //38460

    // Configure the transaction
    transaction.count = 14;
    transaction.txBuf = NULL;
    transaction.rxBuf = Buf;

    slaveSpi = SPI_open(Board_SPI0, &spiParams);

    if (slaveSpi == NULL) {
       // printf("Error initializing slave SPI\n");
        while (1);
    }
    else {
        //printf("Slave SPI initialized\n");
    }

    SPI_transfer(slaveSpi, &transaction);
}

/* RX task function. Executed in Task context by TI-RTOS when the scheduler starts. */
static void rxTaskFunction(UArg arg0, UArg arg1)
{
    RF_Params rfParams;
    RF_Params_init(&rfParams);

    /* Route out LNA active pin to LED1 */
    PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO29, PINCC26XX_MUX_RFC_GPO0);
    PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO30, PINCC26XX_MUX_RFC_GPO1);
    /* Create queue and data entries */
    if (RFQueue_defineQueue(&dataQueue,
                            rxDataEntryBuffer,
                            sizeof(rxDataEntryBuffer),
                            NUM_DATA_ENTRIES,
                            MAX_LENGTH + NUM_APPENDED_BYTES))
    {
        /* Failed to allocate space for all data entries */
        while(1);
    }

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

    /* Copy all RX options from the SmartRF Studio exported RX command to the RX Sniff command */
    initializeSniffCmdFromRxCmd(&RF_cmdPropRxSniff, &RF_cmdPropRx);

    /* Configure RX part of RX_SNIFF command */
    RF_cmdPropRxSniff.pQueue    = &dataQueue;
    RF_cmdPropRxSniff.pOutput   = (uint8_t*)&rxStatistics;
    RF_cmdPropRxSniff.maxPktLen = MAX_LENGTH;

    /* Discard ignored packets and CRC errors from Rx queue */
    RF_cmdPropRxSniff.rxConf.bAutoFlushIgnored = 1;
    RF_cmdPropRxSniff.rxConf.bAutoFlushCrcErr  = 1;

    /* Calculate datarate from prescaler and rate word */
    uint32_t datarate = calculateSymbolRate(RF_cmdPropRadioDivSetup.symbolRate.preScale,
                                            RF_cmdPropRadioDivSetup.symbolRate.rateWord);

    /* Configure Sniff-mode part of the RX_SNIFF command */
    configureSniffCmd(&RF_cmdPropRxSniff, WOR_MODE, datarate, WOR_WAKEUPS_PER_SECOND);

    /* Request access to the radio */
    rfHandle = RF_open(&rfObject, &RF_prop, (RF_RadioSetup*)&RF_cmdPropRadioDivSetup, &rfParams);

    /* Set frequency */
    RF_runCmd(rfHandle, (RF_Op*)&RF_cmdFs, RF_PriorityNormal, &callback, 0);

    /* Save the current radio time */
    RF_cmdPropRxSniff.startTime = RF_getCurrentTime();

    /* Enter main loop */
    while(1)
    {
        /* Set next wakeup time in the future */
        RF_cmdPropRxSniff.startTime += WOR_WAKE_UP_INTERVAL_RAT_TICKS(WOR_WAKEUPS_PER_SECOND);

        /* Schedule RX */
        RF_runCmd(rfHandle, (RF_Op*)&RF_cmdPropRxSniff, RF_PriorityNormal, &callback, RF_EventRxEntryDone);

        /* Log RX_SNIFF status */
        switch(RF_cmdPropRxSniff.status) {
            case PROP_DONE_IDLE:
                /* Idle based on RSSI */
                worStatistics.doneIdle++;
                break;
            case PROP_DONE_IDLETIMEOUT:
                /* Idle based on PQT */
                worStatistics.doneIdleTimeout++;
                break;
            case PROP_DONE_RXTIMEOUT:
                /* Got valid preamble on the air, but did not find sync word */
                worStatistics.doneRxTimeout++;
                break;
            case PROP_DONE_OK:
                /* Received packet */
                worStatistics.doneOk++;

                counterGln = 0;

                Clock_start(clk1Handle);

                //spiInit();

                // Read sensor over SPI
                while(counterGln <= 250){
                    PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 1);
                }

                //SPI_transfer(slaveSpi, &transaction);

                // Create data packet with sensor data
                packet[0] = PAYLOAD_LENGTH;
                packet[1] = (uint8_t)(seqNumber >> 8);
                packet[2] = (uint8_t)(seqNumber++);
                packet[3] = 'O';
                packet[4] = 'K';

                // Transmit the packet
                PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO29, PINCC26XX_MUX_RFC_GPO0);
                PINCC26XX_setMux(ledPinHandle, PINCC26XX_DIO30, PINCC26XX_MUX_RFC_GPO1);
                /* Send packet */
                RF_runCmd(rfHandle, (RF_Op*)&RF_cmdPropTx, RF_PriorityNormal, NULL, 0);
                Clock_stop(clk1Handle);
                //SPI_close(slaveSpi);

                PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, 0);

                //MCU Reset
                //SysCtrlSystemReset();


                break;
            default:
                /* Unhandled status */
                break;
        };
    }
}


void clk2Fxn ( UArg arg0 ){

    counterGln++;
}

/* Calculates datarate from prescaler and rate word */
static uint32_t calculateSymbolRate(uint8_t prescaler, uint32_t rateWord)
{
    /* Calculate datarate according to TRM Section 23.7.5.2:
     * f_baudrate = (R * f_ref)/(p * 2^20)
     *   - R = rateWord
     *   - f_ref = 24Mhz
     *   - p = prescaler */
    uint64_t numerator = rateWord*24000000ULL;
    uint64_t denominator = prescaler*1048576ULL;
    uint32_t result = (uint32_t)(numerator/denominator);
    return result;
}

/* Copies all RX options from the SmartRF Studio exported RX command to the RX Sniff command */
static void initializeSniffCmdFromRxCmd(rfc_CMD_PROP_RX_SNIFF_t* rxSniffCmd, rfc_CMD_PROP_RX_t* rxCmd)
{

    /* Copy RX configuration from RX command */
    memcpy(rxSniffCmd, rxCmd, sizeof(rfc_CMD_PROP_RX_t));

    /* Change to RX_SNIFF command from RX command */
    rxSniffCmd->commandNo = CMD_PROP_RX_SNIFF;
}

/* Configures Sniff-mode part of the RX_SNIFF command based on mode, datarate and wakeup interval */
static void configureSniffCmd(rfc_CMD_PROP_RX_SNIFF_t* rxSniffCmd, enum CarrierSenseMode mode, uint32_t datarate, uint8_t wakeupPerSecond)
{
    /* Enable or disable RSSI */
    if ((mode == CarrierSenseMode_RSSI) || (mode == CarrierSenseMode_RSSIandPQT)) {
        rxSniffCmd->csConf.bEnaRssi        = 1;
    } else {
        rxSniffCmd->csConf.bEnaRssi        = 0;
    }

    /* Enable or disable PQT */
    if ((mode == CarrierSenseMode_PQT) || (mode == CarrierSenseMode_RSSIandPQT)) {
        rxSniffCmd->csConf.bEnaCorr        = 1;
        rxSniffCmd->csEndTrigger.triggerType  = TRIG_REL_START;
    } else {
        rxSniffCmd->csConf.bEnaCorr        = 0;
        rxSniffCmd->csEndTrigger.triggerType  = TRIG_NEVER;
    }

    /* General Carrier Sense configuration */
    rxSniffCmd->csConf.operation       = 1; /* Report Idle if RSSI reports Idle to quickly exit if not above
                                                 RSSI threshold */
    rxSniffCmd->csConf.busyOp          = 0; /* End carrier sense on channel Busy (the receiver will continue when
                                                 carrier sense ends, but it will then not end if channel goes Idle) */
    rxSniffCmd->csConf.idleOp          = 1; /* End on channel Idle */
    rxSniffCmd->csConf.timeoutRes      = 1; /* If the channel is invalid, it will return PROP_DONE_IDLE_TIMEOUT */

    /* RSSI configuration */
    rxSniffCmd->numRssiIdle            = 1; /* One idle RSSI samples signals that the channel is idle */
    rxSniffCmd->numRssiBusy            = 1; /* One busy RSSI samples signals that the channel is busy */
    rxSniffCmd->rssiThr    = (int8_t)WOR_RSSI_THRESHOLD; /* Set the RSSI threshold in dBm */

    /* PQT configuration */
    rxSniffCmd->corrConfig.numCorrBusy = 1;   /* One busy PQT samples signals that the channel is busy */
    rxSniffCmd->corrConfig.numCorrInv  = 1;   /* One busy PQT samples signals that the channel is busy */

    /* Calculate basic timing parameters */
    uint32_t symbolLengthUs  = 1000000UL/datarate;
    uint32_t preambleSymbols = (1000000UL/wakeupPerSecond)/symbolLengthUs;

    uint8_t syncWordSymbols  = RF_cmdPropRadioDivSetup.formatConf.nSwBits;

    /* Calculate sniff mode parameters */
    #define US_TO_RAT_TICKS 4
    #define CORR_PERIOD_SYM_MARGIN 16
    #define RX_END_TIME_SYM_MARGIN 8
    #define CS_END_TIME_MIN_TIME_SYM 30
#if ((WOR_RF_PHY_DATARATE == WOR_RF_PHY_DATARATE_50KBPS)  || \
     (WOR_RF_PHY_DATARATE == WOR_RF_PHY_DATARATE_100KBPS) || \
     (WOR_RF_PHY_DATARATE == WOR_RF_PHY_DATARATE_200KBPS))
    #define CS_END_TIME_MIN_TIME_STATIC_US 150
#elif ((WOR_RF_PHY_DATARATE == WOR_RF_PHY_DATARATE_300KBPS) || \
       (WOR_RF_PHY_DATARATE == WOR_RF_PHY_DATARATE_400KBPS))
    #define CS_END_TIME_MIN_TIME_STATIC_US 200
#elif (WOR_RF_PHY_DATARATE == WOR_RF_PHY_DATARATE_500KBPS)
    #define CS_END_TIME_MIN_TIME_STATIC_US 250
#else
#error "WOR_RF_PHY_DATARATE is undefined or has an invalid option"
#endif

    /* Represents the time in which we need to receive corrConfig.numCorr* correlation peaks to detect preamble.
     * When continously checking the preamble quality, this period has to be wide enough to also contain the sync
     * word, with a margin. If it is not, then there is a chance the SNIFF command will abort while receiving the
     * sync word, as it no longer detects a preamble. */
    uint32_t correlationPeriodUs = (syncWordSymbols + CORR_PERIOD_SYM_MARGIN)*symbolLengthUs;

    /* Represents the time where we will force a check if preamble is present (only done once).
     * The main idea is that his should be shorter than "correlationPeriodUs" so that if we get RSSI valid, but
     * there is not a valid preamble on the air, we will leave RX as quickly as possible. */
    uint32_t csEndTimeUs = (CS_END_TIME_MIN_TIME_SYM*symbolLengthUs + CS_END_TIME_MIN_TIME_STATIC_US);

    /* Represents the maximum time from the startTrigger to when we expect a sync word to be received. */
    uint32_t rxEndTimeUs = (preambleSymbols + syncWordSymbols + RX_END_TIME_SYM_MARGIN)*symbolLengthUs;

    /* Set sniff mode timing configuration in sniff command in RAT ticks */
    rxSniffCmd->corrPeriod = (uint16_t)(correlationPeriodUs * US_TO_RAT_TICKS);
    rxSniffCmd->csEndTime  = (uint32_t)(csEndTimeUs * US_TO_RAT_TICKS);
    rxSniffCmd->endTime    = (uint32_t)(rxEndTimeUs * US_TO_RAT_TICKS);

    /* Set correct trigger types */
    rxSniffCmd->endTrigger.triggerType   = TRIG_REL_START;
    rxSniffCmd->startTrigger.triggerType = TRIG_ABSTIME;
    rxSniffCmd->startTrigger.pastTrig    = 1;
}

/* Called for every received packet and command done */
void callback(RF_Handle h, RF_CmdHandle ch, RF_EventMask e)
{
    /* If we've received a new packet and it's available to read out */
    if (e & RF_EventRxEntryDone)
    {
        do
        {
            /* Toggle LED on RX */
            //PIN_setOutputValue(ledPinHandle, Board_PIN_LED1, !PIN_getOutputValue(Board_PIN_LED1));

            /* Get current unhandled data entry */
            currentDataEntry = RFQueue_getDataEntry();

            /* Handle the packet data, located at &currentDataEntry->data:
             * - Length is the first byte with the current configuration
             * - Data starts from the second byte */
            packetLength      = (uint8_t)(&currentDataEntry->data);
            packetDataPointer = (uint8_t*)(&currentDataEntry->data + 1);

            /* This code block is added to avoid a compiler warning.
            * Normally, an application will reference these variables for
            * useful data. */
            dummy = packetLength + packetDataPointer[0];
            memcpy(packet_RX, packetDataPointer, (packetLength + 1));

        } while(RFQueue_nextEntry() == DATA_ENTRY_FINISHED);
    }
}


/*
 *  ======== main ========
 */
int main(void)
{
    Clock_Params clkParams;

    /* Call driver init functions. */
    Board_initGeneral();
    SPI_init();

    /* Open LED pins */
    ledPinHandle = PIN_open(&ledPinState, pinTable);
    Assert_isTrue(ledPinHandle != NULL, NULL);

    /* Initialize task */
    Task_Params_init(&rxTaskParams);
    rxTaskParams.stackSize = RX_TASK_STACK_SIZE;
    rxTaskParams.priority = RX_TASK_PRIORITY;
    rxTaskParams.stack = &rxTaskStack;

    Task_construct(&rxTask, rxTaskFunction, &rxTaskParams, NULL);

    /* Timer */
    Clock_Params_init(&clkParams);
    clkParams.period = 100;
    clkParams.startFlag = TRUE;

    Clock_construct(&clk1Struct, ( Clock_FuncPtr )clk2Fxn, 50, &clkParams);
    clk1Handle = Clock_handle(&clk1Struct);

    Clock_stop(clk1Handle);

    /* Start BIOS */
    BIOS_start();

    return (0);
}

您能继续。

e2e.ti.com/.../3717091

是的。 关闭这个