main.c File Reference

#include "fw_hal.h"
#include "ds18b20.h"

Go to the source code of this file.

Functions
void	PrintArray (uint8_t *arr, uint8_t start, uint8_t end)
int	main (void)

Variables
uint8_t	DS18B20_Buff [9]
uint8_t	addr [8]
uint8_t	Search_Stack [8]

Function Documentation

main()

int main

(

void

)

Definition at line 39 of file main.c.

{
    uint8_t i, sp;
 
    SYS_SetClock();
    // UART1, baud 115200, baud source Timer1, 1T mode, no interrupt
    UART1_Config8bitUart(UART1_BaudSource_Timer1, HAL_State_ON, 115200);
    DS18B20_Init();
 
    while(1)
    {
        // Reset split point and search for all DS18B20
        sp = 0;
        do
        {
            // ROM search and store ROM bytes to addr
            sp = DS18B20_Search(addr, Search_Stack, sp);
            // Print the new split point and address
            UART1_TxHex(sp);
            UART1_TxChar(' ');
            PrintArray(addr, 0, 8);
            // Convert and read from this address
            DS18B20_Start(addr);
            while (!DS18B20_AllDone())
            {
                UART1_TxChar('.');
                SYS_Delay(50);
            }
            DS18B20_ReadScratchpadFromAddr(addr, DS18B20_Buff);
            PrintArray(DS18B20_Buff, 0, 9);
            UART1_TxChar(' ');
            i = DS18B20_Crc(DS18B20_Buff, 8);
            UART1_TxString("CRC:");
            UART1_TxHex(i);
            UART1_TxChar(' ');
            UART1_TxString("\r\n");
        } while (sp);
 
        UART1_TxString("\r\n");
        SYS_Delay(1000);
    }
}

PrintArray()

void PrintArray	(	uint8_t *	arr,
		uint8_t	start,
		uint8_t	end
	)

Definition at line 30 of file main.c.

{
    uint8_t i;
    for (i = start; i < end; i++)
    {
        UART1_TxHex(*(arr + i));
    }
}

Variable Documentation

addr

uint8_t addr[8]

Definition at line 28 of file main.c.

DS18B20_Buff

uint8_t DS18B20_Buff[9]

Definition at line 28 of file main.c.

Search_Stack

uint8_t Search_Stack[8]

Definition at line 28 of file main.c.