#include "gd32f30x.h"
#include "systick.h"
#include "bsp_iic.h"
#include "sensor_tmp75.h"

//#define TMP_SCL_PORT  GPIOB  
//#define TMP_SCL_PIN   GPIO_PIN_10
//#define TMP_SDA_PORT  GPIOB  
//#define TMP_SDA_PIN   GPIO_PIN_11

//#define TMP_SCL_H     gpio_bit_write(TMP_SCL_PORT,TMP_SCL_PIN,SET);
//#define TMP_SCL_L     gpio_bit_write(MCU_LED_PORT,MCU_LED_PIN,RESET);
//#define TMP_SDA_H     gpio_bit_write(TMP_SDA_PORT,TMP_SDA_PIN,RESET);
//#define TMP_SDA_L     gpio_bit_write(TMP_SDA_PORT,TMP_SDA_PIN,SET);

static IIC_IO_Def _TMP75IO;

/***********************************************************************************************************************
                                            Private Function
***********************************************************************************************************************/
static int TMP75Init()
{
    return IICWriteByte(&_TMP75IO,TMP75_ADDR,TMP75_CONFIG_REG_ADDR,TMP75_CONFIG_REG_VALUE);
}


/***********************************************************************************************************************
                                            Public Function
***********************************************************************************************************************/
void TMPSensorInit(void)
{
    _TMP75IO.SCL_group = GPIOB;
    _TMP75IO.SCL_pin   = GPIO_PIN_10;
    _TMP75IO.SCL_RCC   = RCU_GPIOB;
    
    _TMP75IO.SDA_group = GPIOB;
    _TMP75IO.SDA_pin   = GPIO_PIN_11;
    _TMP75IO.SDA_RCC   = RCU_GPIOB;

    IICInit(&_TMP75IO);
    TMP75Init();
}

/*************************************************
  Function              : GetTMP()
  Description           : get temperature on the board  
  Input                 : *tmp      
  Output                : *tmp        
  Return                : null
  Engineer              : tangtao
  Revision              : V0.0
  Modified Date         : 2021.09.10
  Additional Comments   : 
*************************************************/
void BspBoard_ReadTemperature(signed short *tmp)
{
    signed short  temp;
    unsigned char swap;
    int           is_OK = 0;
    static char   delay_count = 0;
    
    if( (delay_count++) >= 1 )
    {
        delay_count = 0;
        is_OK = IICRead(&_TMP75IO,TMP75_ADDR,TMP75_TMP_REG_ADDR,(unsigned short *)&temp);
        if(is_OK == 0)
        {
            swap = *((unsigned char *)&temp + 1);
            temp = temp << 8;
            temp &= 0xFF00;
            temp |= swap;
            *tmp = temp/256;/*temp *128/16/2048*/
        }
    }
}