[参考译文] LAUNCHXL-CC1310：vl53l1x

/*
 * Copyright (c) 2018-2019, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  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;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * 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.
 */

/*
 *  ======== i2ctmp116.c ========
 */
#include <stdint.h>
#include <stddef.h>
#include <unistd.h>

/* Driver Header files */
#include "Board.h"
#include <ti/drivers/I2C.h>
#include <ti/display/Display.h>

/* Example/Board Header files */
#include <ti/drivers/GPIO.h>

#define TASKSTACKSIZE       640

/*
 *  ======== TMP Registers ========
 */
#define TMP006_REG          0x0001  /* Die Temp Result Register for TMP006 */
#define TMP116_REG          0x0000  /* Die Temp Result Register for TMP116 */

#define TMP006_ADDR         0x52;
#define TMP116_BP_ADDR      0x48;
#define TMP116_LP_ADDR      0x29;

static Display_Handle display;

/*
 *  ======== mainThread ========
 */
void gpioButtonFxn0(uint_least8_t index)
{
    /* Clear the GPIO interrupt and toggle an LED */
    //GPIO_toggle(Board_GPIO_LED0);
}
void *mainThread(void *arg0)
{
    //uint16_t        sample;
    uint16_t       distance;
    uint8_t         txBuffer[1];
    uint8_t         rxBuffer[1];
    I2C_Handle      i2c;
    I2C_Params      i2cParams;
    I2C_Transaction i2cTransaction;
    /* Call driver init functions */
    Display_init();
    GPIO_init();
    I2C_init();

    /* Configure the LED and if applicable, the TMP116_EN pin */
    GPIO_setConfig(Board_GPIO_LED0, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);
 //#ifdef Board_GPIO_TMP116_EN
   // GPIO_setConfig(Board_GPIO_TMP116_EN, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_HIGH);
    /* 1.5 ms reset time for the TMP116 */
   // sleep(1);
 //#endif
  GPIO_setCallback(Board_GPIO_BUTTON0, gpioButtonFxn0);
    /* Open the HOST display for output */
    display = Display_open(Display_Type_UART, NULL);
    if (display == NULL) {
        while (1);
    }
    /* Turn on user LED */
    GPIO_write(Board_GPIO_LED0, Board_GPIO_LED_ON);
    Display_printf(display, 0, 0, "Starting the i2ctmp example.");
    /* Create I2C for usage */
  //  GPIO_enableInt(Board_GPIO_BUTTON0);

    I2C_Params_init(&i2cParams);
    i2cParams.bitRate = I2C_100kHz;
    i2c = I2C_open(Board_I2C_TMP, &i2cParams);
    if (i2c == NULL) {
        Display_printf(display, 0, 0, "Error Initializing I2C\n");
        while (1);
    }
    else {
        Display_printf(display, 0, 0, "I2C Initialized!\n");
    }

    /* Common I2C transaction setup */
    i2cTransaction.writeBuf   = txBuffer;
    i2cTransaction.writeCount = 1;
    i2cTransaction.readBuf    = rxBuffer;
    i2cTransaction.readCount  = 1;

    /*
     * Determine which I2C sensor is present.
     * We will prefer sensors in this order: TMP116 (on BoosterPacks),
     * TMP116 (on-board CC32XX LaunchPads), and last TMP006
     * (on older CC32XX LaunchPads).
     */
    /* Try TMP116 values */
    txBuffer[0] = TMP116_REG;
    i2cTransaction.slaveAddress = TMP116_BP_ADDR;
    if (!I2C_transfer(i2c, &i2cTransaction)) {
        /* Not BP TMP116, try LP TMP116 */
        i2cTransaction.slaveAddress = TMP116_LP_ADDR;
        if (!I2C_transfer(i2c, &i2cTransaction)) {
            /* Not a TMP116 try TMP006*/
            txBuffer[0] = TMP006_REG;
            i2cTransaction.slaveAddress = TMP006_ADDR;
            if (!I2C_transfer(i2c, &i2cTransaction)) {
                /* Could not resolve a sensor, error */
                Display_printf(display, 0, 0, "Error. No TMP sensor found!");
                while(1);
            }
        }
    }
    /* Print which TMP is in use */
    if (TMP116_REG == txBuffer[0]) {
        Display_printf(display, 0, 0, "Detected TMP116 sensor.");
    }
    else {
        Display_printf(display, 0, 0, "Detected TMP006 sensor.");
    }
    /* Take 20 samples and print them out onto the console */
    while(1) {
        if (I2C_transfer(i2c, &i2cTransaction)) {
           // I2C_init();


            /*
             * Extract degrees C from the received data;
             * see TMP116/006 datasheet
             */
            distance =rxBuffer[0];
           // temperature *= 0.0078125;


            /*
             * If the MSB is set '1', then we have a 2's complement
             * negative value which needs to be sign extended
             */
           // if (rxBuffer[0] & 0x80) {
           //     temperature |= 0xF000;
           // }

            Display_printf(display, 0, 0, "DISTACE "
                    ": %d (mm)",
                           distance);
        }
        else {
            Display_printf(display, 0, 0, "I2C Bus fault.");
        }

        GPIO_disableInt(Board_GPIO_BUTTON1);
        /* Sleep for 1 second */
      //  sleep(1);
        sleep(1
              );
    }

    I2C_close(i2c);
    Display_printf(display, 0, 0, "I2C closed!");
   // sleep(.1);
 //   }

    return (NULL);
}

如何清除是错误。

您好 Hari、  

错误是什么？  

此致、
SID

我无法 通过 vl53l1x 传感器读取我的正确距离、它仅打印相同的数字。

此致、

哈里。

您好 Hari、  

我们可以为您提供一些方向。  

您需要查看这些 API 的源代码、然后针对我们的平台自行重写。

您必须至少使用 TI 的 i2c 驱动程序调用替换这些函数中的 i2c 调用。  

如果您对 TI 的 i2c 驱动器本身有特定问题、我们可以为您提供帮助、但我们无法支持您实现这些 API。

此致、
SID