#include "McuNHN206ADrv.h"

#include <string.h>

#define MCU_NHN206A_DRV_DATA_ADDRESS 0x0000

int McuHNH206ADrvGetValue(HNH206A_OBJ *BlueObj)
{
    uint32_t tmp = 0;
    uint32_t tmp1 = 0;
    float tmp2 = 1.0f;
    int i = 0;
    uint16_t Crc16 = 0xffff;
    uint8_t wdata[8] = {0x06,0x03,0x00,0x00,0x00,0x04,0x00,0x00}; 
    uint8_t rdata[13] = {0};
    wdata[2] = MCU_NHN206A_DRV_DATA_ADDRESS & 0xff00;
    wdata[3] = MCU_NHN206A_DRV_DATA_ADDRESS & 0x00ff;
    BlueObj->Crc(wdata, 6, &Crc16);
    wdata[6] = (uint8_t)(Crc16 & 0x00ff);
    wdata[7] = (uint8_t)((Crc16 & 0xff00) >> 8);
    BlueObj->Nnh206aSend(wdata, sizeof(wdata));
    BlueObj->Nnh206aRecv(rdata, sizeof(rdata));
    Crc16 = 0xffff;
    BlueObj->Crc(rdata, 11, &Crc16);
    if (Crc16 != ((((uint16_t)rdata[12]) << 8) | rdata[11])) {
        return -1;
    }
    /* 获取氨氮 */
    tmp = ((uint16_t)rdata[3] << 8) | ((uint16_t)rdata[4]); 
    tmp1 = ((uint16_t)rdata[5] << 8) | ((uint16_t)rdata[6]); 
    for (i = 0; i < tmp1; i++) {
        tmp2 = tmp2 * 10;
    }
    BlueObj->Nhn = tmp / tmp2;
    /* 获取温度值 */
    tmp = ((uint16_t)rdata[7] << 8) | ((uint16_t)rdata[8]); 
    tmp1 = ((uint16_t)rdata[9] << 8) | ((uint16_t)rdata[10]);
    tmp2 = 1.0f;
    for (i = 0; i < tmp1; i++) {
        tmp2 = tmp2 * 10;
    }
    BlueObj->Temp = tmp / tmp2;
    return 0;
}