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mcal_gpio.c
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mcal_gpio.c
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#include"mcal_gpio.h"
/*******************************************************************************
* Function name : GPIO_u8SetPortPin
* Description 1.Set pot pins as digital or analog,input or output
* List of arguments: u8Port=port microcontroller,u8Pin=pin port microcontroller,
* bAD= set pin analogic or digital,bDir=select direction
* (input or output)
* Return value : -
********************************************************************************/
void GPIO_u8SetPortPin(T_U8 u8Port,T_U8 u8Pin,BOOL bAD,BOOL bDir)
{
switch(u8Port)
{
/* PORT A */
case 'A':
switch(u8Pin)
{
case 0:
case 1:
/* set pin as analog */
AD1PCFGL = (AD1PCFGL &(0XFFFF-(1<<u8Pin)))|(bAD<<u8Pin);
/* set pin input or output */
TRISA = (TRISA &(0XFFFF-(1<<u8Pin)))|(bDir<<u8Pin);
break;
case 2:
case 3:
case 4:
case 7:
case 8:
case 9:
case 10:
/* set pin input or output */
TRISA = (TRISA &(0XFFFF-(1<<u8Pin)))|(bDir<<u8Pin);
break;
default:
/* non-existent pin */
break;
}
break;
/* PORT B */
case 'B':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
/* set pin as analog */
AD1PCFGL = (AD1PCFGL &(0XFFFF-(1<<(u8Pin+2))))|(bAD<<(u8Pin+2));
/* set pin input or output */
TRISB = (TRISB &(0XFFFF-(1<<u8Pin)))|(bDir<<u8Pin);
break;
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
/* set pin input or output */
TRISB = (TRISB &(0XFFFF-(1<<u8Pin)))|(bDir<<u8Pin);
break;
default:
/* non-existent pin */
break;
}
break;
/* PORT C */
case 'C':
switch(u8Pin)
{
case 0:
case 1:
case 2:
/* set pin as analog */
AD1PCFGL = (AD1PCFGL &(0XFFFF-(1<<(u8Pin+6))))|(bAD<<(u8Pin+6));
/* set pin input or output */
TRISC = (TRISC &(0XFFFF-(1<<u8Pin)))|(bDir<<u8Pin);
break;
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
/* set pin input or output */
TRISC = (TRISC &(0XFFFF-(1<<u8Pin)))|(bDir<<u8Pin);
break;
default:
/* non-existent pin */
break;
}
break;
default :
/* non-existent port */
break;
}
}
/*******************************************************************************
* Function name : GPIO_u8WritePortPin
* Description 1.Set port pins with 1 or 0
* List of arguments: u8Port=port microcontroller,u8Pin=pin port microcontroller,
* bValue=set pin witch value 1 or 0
* Return value : -
********************************************************************************/
void GPIO_u8WritePortPin(T_U8 u8Port,T_U8 u8Pin,BOOL bValue)
{
switch(u8Port)
{
/* PORT A */
case 'A':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 7:
case 8:
case 9:
case 10:
/* set pin as 0 0r 1 */
LATA = (LATA &(0XFFFF-(1<<u8Pin)))|(bValue<<u8Pin);
break;
default:
/* non-existent pin */
break;
}
break;
/* PORT B */
case 'B':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
/* set pin as 0 0r 1 */
LATB = (LATB &(0XFFFF-(1<<u8Pin)))|(bValue<<u8Pin);
break;
default:
/* non-existent pin */
break;
}
break;
/* PORT C */
case 'C':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
/* set pin as 0 0r 1 */
LATC = (LATC &(0XFFFF-(1<<u8Pin)))|(bValue<<u8Pin);
break;
default:
/* non-existent pin */
break;
}
break;
default :
/* non-existent port */
break;
}
}
/*******************************************************************************
* Function name : GPIO_u8ReadPortPin
* Description 1.Read pin value
* List of arguments: u8Port=port microcontroller,u8Pin=pin port microcontroller,
*
* Return value : return pin value or 0xFF if the arguments are wrong
********************************************************************************/
T_U8 GPIO_u8ReadPortPin(T_U8 u8Port,T_U8 u8Pin)
{
switch(u8Port)
{
case 'A':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 7:
case 8:
case 9:
case 10:
/* return value which is loading in pin */
return (PORTA>>u8Pin)&1;
default:
/* non-existent pin */
break;
}
break;
case 'B':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
/* return value which is loading in pin */
return (PORTB>>u8Pin)&1;
default:
/* non-existent pin */
break;
}
break;
case 'C':
switch(u8Pin)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
/* return value which is loading in pin */
return (PORTC>>u8Pin)&1;
default:
/* non-existent pin */
break;
}
break;
default :
/* non-existent port */
break;
}
/* return error */
return 0xFF;
}
/*******************************************************************************
* Function name : GPIO_vWritePort
* Description 1.Write value in port
* List of arguments: u8Port=port microcontroller , u16Value =value which is loading
* in port
* Return value : -
********************************************************************************/
void GPIO_vWritePort(T_U8 u8Port,T_U16 u16Value)
{
switch(u8Port)
{
case 'A':
/* loading value in port */
LATA = u16Value;
break;
case 'B':
/* loading value in port */
LATB = u16Value;
break;
case 'C':
/* loading value in port */
LATC = u16Value;
break;
default:
/* non-existent port */
break;
}
}
/*******************************************************************************
* Function name : GPIO_s16ReadPort
* Description 1.Read port value
* List of arguments: u8Port=port microcontroller
* Return value : return port value
********************************************************************************/
T_U16 GPIO_u16ReadPort(T_U8 u8Port)
{
switch(u8Port)
{
case 'A':
/* return value which is loading in port */
return PORTA;
case 'B':
/* return value which is loading in port */
return PORTB;
case 'C':
/* return value which is loading in port */
return PORTC;
default:
/* non-existent port */
break;
}
return 0;
}