N76E003_24L01/Home_Light_V0.1/Code/iar_common/Common/Common.c

/*---------------------------------------------------------------------------------------------------------*/
/*                                                                                                         */
/* Copyright(c) 2017 Nuvoton Technology Corp. All rights reserved.                                         */
/*                                                                                                         */
/*---------------------------------------------------------------------------------------------------------*/

//***********************************************************************************************************
//  Website: http://www.nuvoton.com
//  E-Mail : [email protected]
//  Date   : Jan/21/2017
//***********************************************************************************************************
#include "N76E003_iar.h"
#include "Common.h"
#include "Delay.h"
#include "SFR_Macro.h"
#include "Function_define.h"

//----------------------------------------------------------------------------------
// UART0 baud rate initial setting 
//----------------------------------------------------------------------------------
void InitialUART0_Timer1(UINT32 u32Baudrate)    //T1M = 1, SMOD = 1
{
		P06_Quasi_Mode;		//Setting UART pin as Quasi mode for transmit
		P07_Quasi_Mode;		//Setting UART pin as Quasi mode for transmit
	
    SCON = 0x50;     	//UART0 Mode1,REN=1,TI=1
    TMOD |= 0x20;    	//Timer1 Mode1
    
    set_SMOD;        	//UART0 Double Rate Enable
    set_T1M;
    clr_BRCK;        	//Serial port 0 baud rate clock source = Timer1
 
#ifdef FOSC_160000
    TH1 = 256 - (1000000/u32Baudrate+1);               /*16 MHz */
#endif    	
#ifdef FOSC_166000
    TH1 = 256 - (1037500/u32Baudrate);         		     /*16.6 MHz */
#endif
    set_TR1;
		set_TI;						//For printf function must setting TI = 1
}
//---------------------------------------------------------------
void InitialUART0_Timer3(UINT32 u32Baudrate) //use timer3 as Baudrate generator
{
		P06_Quasi_Mode;		//Setting UART pin as Quasi mode for transmit
		P07_Quasi_Mode;		//Setting UART pin as Quasi mode for transmit	
	
    SCON = 0x50;     //UART0 Mode1,REN=1,TI=1
    set_SMOD;        //UART0 Double Rate Enable
    T3CON &= 0xF8;   //T3PS2=0,T3PS1=0,T3PS0=0(Prescale=1)
    set_BRCK;        //UART0 baud rate clock source = Timer3

#ifdef FOSC_160000
		RH3    = HIBYTE(65536 - (1000000/u32Baudrate)-1);  		/*16 MHz */
		RL3    = LOBYTE(65536 - (1000000/u32Baudrate)-1);			/*16 MHz */
#endif
#ifdef FOSC_166000
    RH3    = HIBYTE(65536 - (1037500/u32Baudrate)); 			/*16.6 MHz */
    RL3    = LOBYTE(65536 - (1037500/u32Baudrate)); 			/*16.6 MHz */
#endif
    set_TR3;         //Trigger Timer3
		set_TI;					 //For printf function must setting TI = 1
}

UINT8 Receive_Data_From_UART0(void)
{
    UINT8 c;
    while (!RI);
    c = SBUF;
    RI = 0;
    return (c);
}

void Send_Data_To_UART0 (UINT8 c)
{
    TI = 0;
    SBUF = c;
    while(TI==0);
}
void printf_UART(uint8_t *str, ...);
void printInteger(uint32_t u32Temp)
{
    uint8_t print_buf[16];
    uint32_t i = 15, j;

    *(print_buf + i) = '\0';
    j = u32Temp >> 31;
    if(j)
        u32Temp = ~u32Temp + 1;
    do
    {
        i--;
        *(print_buf + i) = '0' + u32Temp % 10;
        u32Temp = u32Temp / 10;
    }
    while(u32Temp != 0);
    if(j)
    {
        i--;
        *(print_buf + i) = '-';
    }
    printf_UART(print_buf + i);
}
void printHex(uint32_t u32Temp)
{
    uint8_t print_buf[16];
    uint32_t i = 15;
    uint32_t temp;

    *(print_buf + i) = '\0';
    do
    {
        i--;
        temp = u32Temp % 16;
        if(temp < 10)
            *(print_buf + i) = '0' + temp;
        else
            *(print_buf + i) = 'a' + (temp - 10) ;
        u32Temp = u32Temp / 16;
    }
    while(u32Temp != 0);
    printf_UART(print_buf + i);
}
void printf_UART(uint8_t *str, ...)
{
    va_list args;
    va_start(args, str);
    while(*str != '\0')
    {
        if(*str == '%')
        {
            str++;
            if(*str == '\0') return;
            if(*str == 'd')
            {
                str++;
                printInteger(va_arg(args, int));
            }
            else if(*str == 'x')
            {
                str++;
                printHex(va_arg(args, int));
            }
        }
        Send_Data_To_UART0(*str++);
    }
}


//----------------------------------------------------------------------------------
// UART1 baud rate initial setting 
//----------------------------------------------------------------------------------
void InitialUART1_Timer3(UINT32 u32Baudrate) //use timer3 as Baudrate generator
{
		P02_Quasi_Mode;		//Setting UART pin as Quasi mode for transmit
		P16_Quasi_Mode;		//Setting UART pin as Quasi mode for transmit
	
	  SCON_1 = 0x50;   	//UART1 Mode1,REN_1=1,TI_1=1
    T3CON = 0x08;   	//T3PS2=0,T3PS1=0,T3PS0=0(Prescale=1), UART1 in MODE 1
		clr_BRCK;
	
#ifdef FOSC_160000
		RH3    = HIBYTE(65536 - (1000000/u32Baudrate)-1);  		/*16 MHz */
		RL3    = LOBYTE(65536 - (1000000/u32Baudrate)-1);			/*16 MHz */
#endif
#ifdef FOSC_166000
		RH3    = HIBYTE(65536 - (1037500/u32Baudrate));  			/*16.6 MHz */
		RL3    = LOBYTE(65536 - (1037500/u32Baudrate));				/*16.6 MHz */
#endif
    set_TR3;         //Trigger Timer3
}

UINT8 Receive_Data_From_UART1(void)
{
    UINT8 c;
    
    while (!RI_1);
    c = SBUF_1;
    RI_1 = 0;
    return (c);
}

void Send_Data_To_UART1 (UINT8 c)
{
    TI_1 = 0;
    SBUF_1 = c;
    while(TI_1==0);
}


/*==========================================================================*/
#ifdef SW_Reset
void SW_Reset(void)
{
    TA = 0xAA;
    TA = 0x55;
    set_SWRST;
}
#endif
/*==========================================================================*/