[活动专区] 【N32G430开发板试用】串口读取环境传感器模块数据

int16_t sensirion_uart_hal_tx(uint16_t data_len, const uint8_t* data)

{

        for(int i=0;i<data_len;i++)

        {

          USART_Data_Send(UART4, data[i]);

    while (USART_Flag_Status_Get(UART4, USART_FLAG_TXDE) == RESET);

        }

    return data_len;

}

extern __IO int RxCounter;

extern uint8_t RxBuffer[64];

int16_t sensirion_uart_hal_rx(uint16_t max_data_len, uint8_t* data) 

{

        if(RxCounter>0)

        {

                memcpy(data,RxBuffer,max_data_len);

                RxCounter = 0;

        }

        return max_data_len;

}

extern __IO int RxCounter;

extern uint8_t RxBuffer[64];

void UART4_IRQHandler(void)

{

    if (USART_Interrupt_Status_Get(UART4, USART_INT_RXDNE) != RESET)

    {

        RxBuffer[RxCounter++] = USART_Data_Receive(UART4);

    }



}

/*

 * Copyright (c) 2021, Sensirion AG

 * 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 Sensirion AG 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 HOLDER 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.

 */



#include <stdio.h>  // printf



#include "sensirion_common.h"

#include "sensirion_uart_hal.h"

#include "svm40_uart.h"



/* TO USE CONSOLE OUTPUT (printf) YOU MAY NEED TO ADAPT THE

 * INCLUDE ABOVE OR DEFINE IT ACCORDING TO YOUR PLATFORM.

 * #define printf(...)

 */



int svm40_test(void) 

{

    int16_t error = 0;



    error = sensirion_uart_hal_init();

    if (error) {

        printf("Error initializing UART: %i\n", error);

        return error;

    }

                

                error = svm40_device_reset();

                    if (error) {

        printf("Error executing svm40_device_reset(): %i\n", error);

        return error;

    }



    uint8_t serial_number[32];

    uint8_t serial_number_size = 32;

    error = svm40_get_serial_number(&serial_number[0], serial_number_size);

    if (error) {

        printf("Error executing svm40_get_serial_number(): %i\n", error);

    } else {

        printf("Serial number: %s\n", serial_number);

    }



    uint8_t product_type[32];

    uint8_t product_type_size = 32;

    error = svm40_get_product_type(&product_type[0], product_type_size);

    if (error) {

        printf("Error executing svm40_get_product_type(): %i\n", error);

    } else {

        printf("Product type: %s\n", product_type);

    }



    uint8_t product_name[32];

    uint8_t product_name_size = 32;

    error = svm40_get_product_name(&product_name[0], product_name_size);

    if (error) {

        printf("Error executing svm40_get_product_name(): %i\n", error);

    } else {

        printf("Product name: %s\n", product_name);

    }



    uint8_t firmware_major;

    uint8_t firmware_minor;

    bool firmware_debug;

    uint8_t hardware_major;

    uint8_t hardware_minor;

    uint8_t protocol_major;

    uint8_t protocol_minor;

    error = svm40_get_version(&firmware_major, &firmware_minor, &firmware_debug,

                              &hardware_major, &hardware_minor, &protocol_major,

                              &protocol_minor);

    if (error) {

        printf("Error executing svm40_get_version(): %i\n", error);

    } else {

        printf("Firmware: %i.%i Debug: %i\n", firmware_major, firmware_minor,

               firmware_debug);

        printf("Hardware: %i.%i\n", hardware_major, hardware_minor);

        printf("Protocol: %i.%i\n", protocol_major, protocol_minor);

    }



    if (firmware_major < 2) {

        printf("Your SVM40 firmware is out of date!\n");

    } else {

        uint8_t t_offset_buffer[2];

        uint8_t t_offset_size = 2;

        error = svm40_get_temperature_offset_for_rht_measurements(

            &t_offset_buffer[0], t_offset_size);

        int16_t t_offset =

            sensirion_common_bytes_to_int16_t(&t_offset_buffer[0]);

        if (error) {

            printf("Error executing "

                   "svm40_get_temperature_offset_for_rht_measurements(): %i\n",

                   error);

        } else {

            printf("Temperature Offset: %i ticks\n", t_offset);

        }

    }



    // Start Measurement

    error = svm40_start_continuous_measurement();

    if (error) {

        printf("Error executing svm40_start_continuous_measurement(): %i\n",

               error);

    }



    for (;;) {

        // Read Measurement

        sensirion_uart_hal_sleep_usec(1000000);

        int16_t voc_index;

        int16_t humidity;

        int16_t temperature;

        error = svm40_read_measured_values_as_integers(&voc_index, &humidity,

                                                       &temperature);

        if (error) 

                                {

            printf("Error executing svm40_read_measured_values_as_integers(): ""%i\n",error);

        } 

                                else 

                                {

            printf("Voc index:%.2f Temperature:%.2f Humidity:%.2f\n", voc_index/10.0,temperature/200.0,humidity/100.0);

        }

    }



    error = svm40_stop_measurement();

    if (error) {

        printf("Error executing svm40_stop_measurement(): %i\n", error);

    }



    return 0;

}