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gpio_pic24_dspic30f_dspic33.c
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/**
* @file gpio_pic24_dspic30f_dspic33.c
* @author Sebastien CAUX (sebcaux)
* @copyright Robotips 2016-2017
* @copyright UniSwarm 2018-2023
*
* @date March 20, 2017, 18:39 AM
*
* @brief GPIO support driver for dsPIC30F, dsPIC33CH, dsPIC33CK, dsPIC33FJ,
* dsPIC33EP, dsPIC33EV, PIC24F, PIC24FJ, PIC24EP and PIC24HJ
*
* Implementation based on Microchip document DS70058D, DS70193D and DS70000598C :
* http://ww1.microchip.com/downloads/en/DeviceDoc/70058D.pdf (dsPIC30F)
* http://ww1.microchip.com/downloads/en/DeviceDoc/70193D.pdf (PIC24F/dsPIC33F)
* http://ww1.microchip.com/downloads/en/DeviceDoc/70000598c.pdf (PIC24E/dsPIC33E)
*/
#include "gpio.h"
#include <archi.h>
/**
* @brief Set a bit of a GPIO to 1 (HIGH)
* @param device GPIO pin
*/
void gpio_setBit(rt_dev_t device)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
uint16_t bit = 1 << (device & GPIO_MAX_PORTWIDTHMASK);
__builtin_disi(0x3FFF);
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
LATA |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
LATB |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
LATC |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
LATD |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
LATE |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
LATF |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
LATG |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
LATH |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
LATI |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
LATJ |= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
LATK |= bit;
break;
#endif
}
__builtin_disi(0);
}
/**
* @brief Set a bit of a GPIO to 0 (LOW)
* @param device GPIO pin
*/
void gpio_clearBit(rt_dev_t device)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
uint16_t bit = ~(1 << (device & GPIO_MAX_PORTWIDTHMASK));
__builtin_disi(0x3FFF);
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
LATA &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
LATB &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
LATC &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
LATD &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
LATE &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
LATF &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
LATG &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
LATH &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
LATI &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
LATJ &= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
LATK &= bit;
break;
#endif
}
__builtin_disi(0);
}
/**
* @brief Toggle (invert) a bit of a GPIO from 1 to 0 or from 0 to 1
* @param device GPIO pin
*/
void gpio_toggleBit(rt_dev_t device)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
uint16_t bit = 1 << (device & GPIO_MAX_PORTWIDTHMASK);
__builtin_disi(0x3FFF);
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
LATA ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
LATB ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
LATC ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
LATD ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
LATE ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
LATF ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
LATG ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
LATH ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
LATI ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
LATJ ^= bit;
break;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
LATK ^= bit;
break;
#endif
}
__builtin_disi(0);
}
/**
* @brief Write a specific value of a bit of a GPIO
* @param device GPIO pin
* @param value value to set (GPIO_LOW / GPIO_HIGH / GPIO_TOGGLE)
*/
void gpio_writeBit(rt_dev_t device, GPIO_VALUE value)
{
switch (value)
{
case GPIO_LOW:
gpio_clearBit(device);
break;
case GPIO_HIGH:
gpio_setBit(device);
break;
case GPIO_TOGGLE:
gpio_toggleBit(device);
break;
}
}
/**
* @brief Read a bit of a GPIO
* @param device GPIO pin
* @return current value of the bit(GPIO_LOW / GPIO_HIGH)
*/
GPIO_VALUE gpio_readBit(rt_dev_t device)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
uint16_t mbit = 1 << (device & GPIO_MAX_PORTWIDTHMASK);
uint16_t value = 0;
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
value = PORTA;
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
value = PORTB;
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
value = PORTC;
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
value = PORTD;
break;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
value = PORTE;
break;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
value = PORTF;
break;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
value = PORTG;
break;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
value = PORTH;
break;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
value = PORTI;
break;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
value = PORTJ;
break;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
value = PORTK;
break;
#endif
}
if ((value & mbit) == 0)
{
return GPIO_LOW;
}
else
{
return GPIO_HIGH;
}
}
/**
* @brief Set GPIO bit configuration (input / output)
* @param device GPIO pin
* @param config pin configuration to set (GPIO_OUTPUT / GPIO_INPUT)
* @return 0 if ok, -1 in case of error
*/
int gpio_setBitConfig(rt_dev_t device, uint16_t config)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
uint16_t bit = 1 << (device & GPIO_MAX_PORTWIDTHMASK);
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
if (config & GPIO_OUTPUT)
{
TRISA &= ~bit; // set as output
}
else
{
TRISA |= bit; // set as input
}
# ifdef ODCA
if (config & GPIO_OPENDRAIN)
{
ODCA |= bit; // enable open drain
}
else
{
ODCA &= ~bit; // disable open drain
}
# endif
# ifdef CNPUA
if (config & GPIO_PULLUP)
{
CNPUA |= bit; // enable pull-up
}
else
{
CNPUA &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDA
if (config & GPIO_PULLDOWN)
{
CNPDA |= bit; // enable pull-down
}
else
{
CNPDA &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
if (config & GPIO_OUTPUT)
{
TRISB &= ~bit; // set as output
}
else
{
TRISB |= bit; // set as input;
}
# ifdef ODCB
if (config & GPIO_OPENDRAIN)
{
ODCB |= bit; // enable open drain
}
else
{
ODCB &= ~bit; // disable open drain
}
# endif
# ifdef CNPUB
if (config & GPIO_PULLUP)
{
CNPUB |= bit; // enable pull-up
}
else
{
CNPUB &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDB
if (config & GPIO_PULLDOWN)
{
CNPDB |= bit; // enable pull-down
}
else
{
CNPDB &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
if (config & GPIO_OUTPUT)
{
TRISC &= ~bit; // set as output
}
else
{
TRISC |= bit; // set as input;
}
# ifdef ODCC
if (config & GPIO_OPENDRAIN)
{
ODCC |= bit; // enable open drain
}
else
{
ODCC &= ~bit; // disable open drain
}
# endif
# ifdef CNPUC
if (config & GPIO_PULLUP)
{
CNPUC |= bit; // enable pull-up
}
else
{
CNPUC &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDC
if (config & GPIO_PULLDOWN)
{
CNPDC |= bit; // enable pull-down
}
else
{
CNPDC &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
if (config & GPIO_OUTPUT)
{
TRISD &= ~bit; // set as output
}
else
{
TRISD |= bit; // set as input;
}
# ifdef ODCD
if (config & GPIO_OPENDRAIN)
{
ODCD |= bit; // enable open drain
}
else
{
ODCD &= ~bit; // disable open drain
}
# endif
# ifdef CNPUD
if (config & GPIO_PULLUP)
{
CNPUD |= bit; // enable pull-up
}
else
{
CNPUD &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDD
if (config & GPIO_PULLDOWN)
{
CNPDD |= bit; // enable pull-down
}
else
{
CNPDD &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
if (config & GPIO_OUTPUT)
{
TRISE &= ~bit; // set as output
}
else
{
TRISE |= bit; // set as input;
}
# ifdef ODCE
if (config & GPIO_OPENDRAIN)
{
ODCE |= bit; // enable open drain
}
else
{
ODCE &= ~bit; // disable open drain
}
# endif
# ifdef CNPUE
if (config & GPIO_PULLUP)
{
CNPUE |= bit; // enable pull-up
}
else
{
CNPUE &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDE
if (config & GPIO_PULLDOWN)
{
CNPDE |= bit; // enable pull-down
}
else
{
CNPDE &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
if (config & GPIO_OUTPUT)
{
TRISF &= ~bit; // set as output
}
else
{
TRISF |= bit; // set as input;
}
# ifdef ODCF
if (config & GPIO_OPENDRAIN)
{
ODCF |= bit; // enable open drain
}
else
{
ODCF &= ~bit; // disable open drain
}
# endif
# ifdef CNPUF
if (config & GPIO_PULLUP)
{
CNPUF |= bit; // enable pull-up
}
else
{
CNPUF &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDF
if (config & GPIO_PULLDOWN)
{
CNPDF |= bit; // enable pull-down
}
else
{
CNPDF &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
if (config & GPIO_OUTPUT)
{
TRISG &= ~bit; // set as output
}
else
{
TRISG |= bit; // set as input;
}
# ifdef ODCG
if (config & GPIO_OPENDRAIN)
{
ODCG |= bit; // enable open drain
}
else
{
ODCG &= ~bit; // disable open drain
}
# endif
# ifdef CNPUG
if (config & GPIO_PULLUP)
{
CNPUG |= bit; // enable pull-up
}
else
{
CNPUG &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDG
if (config & GPIO_PULLDOWN)
{
CNPDG |= bit; // enable pull-down
}
else
{
CNPDG &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
if (config & GPIO_OUTPUT)
{
TRISH &= ~bit; // set as output
}
else
{
TRISH |= bit; // set as input;
}
# ifdef ODCH
if (config & GPIO_OPENDRAIN)
{
ODCH |= bit; // enable open drain
}
else
{
ODCH &= ~bit; // disable open drain
}
# endif
# ifdef CNPUH
if (config & GPIO_PULLUP)
{
CNPUH |= bit; // enable pull-up
}
else
{
CNPUH &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDH
if (config & GPIO_PULLDOWN)
{
CNPDH |= bit; // enable pull-down
}
else
{
CNPDH &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
if (config & GPIO_OUTPUT)
{
TRISI &= ~bit; // set as output
}
else
{
TRISI |= bit; // set as input;
}
# ifdef ODCI
if (config & GPIO_OPENDRAIN)
{
ODCI |= bit; // enable open drain
}
else
{
ODCI &= ~bit; // disable open drain
}
# endif
# ifdef CNPUI
if (config & GPIO_PULLUP)
{
CNPUI |= bit; // enable pull-up
}
else
{
CNPUI &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDI
if (config & GPIO_PULLDOWN)
{
CNPDI |= bit; // enable pull-down
}
else
{
CNPDI &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
if (config & GPIO_OUTPUT)
{
TRISJ &= ~bit; // set as output
}
else
{
TRISJ |= bit; // set as input;
}
# ifdef ODCJ
if (config & GPIO_OPENDRAIN)
{
ODCJ |= bit; // enable open drain
}
else
{
ODCJ &= ~bit; // disable open drain
}
# endif
# ifdef CNPUJ
if (config & GPIO_PULLUP)
{
CNPUJ |= bit; // enable pull-up
}
else
{
CNPUJ &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDJ
if (config & GPIO_PULLDOWN)
{
CNPDJ |= bit; // enable pull-down
}
else
{
CNPDJ &= ~bit; // disable pull-down
}
# endif
break;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
if (config & GPIO_OUTPUT)
{
TRISK &= ~bit; // set as output
}
else
{
TRISK |= bit; // set as input;
}
# ifdef ODCK
if (config & GPIO_OPENDRAIN)
{
ODCK |= bit; // enable open drain
}
else
{
ODCK &= ~bit; // disable open drain
}
# endif
# ifdef CNPUK
if (config & GPIO_PULLUP)
{
CNPUK |= bit; // enable pull-up
}
else
{
CNPUK &= ~bit; // disable pull-up
}
# endif
# ifdef CNPDK
if (config & GPIO_PULLDOWN)
{
CNPDK |= bit; // enable pull-down
}
else
{
CNPDK &= ~bit; // disable pull-down
}
# endif
break;
#endif
default:
return -1;
}
return 0;
}
/**
* @brief Set GPIO port value (complete port)
* @param device GPIO port
* @param value to set
*/
void gpio_writePort(rt_dev_t device, port_type value)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
LATA = value;
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
LATB = value;
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
LATC = value;
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
LATD = value;
break;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
LATE = value;
break;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
LATF = value;
break;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
LATG = value;
break;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
LATH = value;
break;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
LATI = value;
break;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
LATJ = value;
break;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
LATK = value;
break;
#endif
}
}
/**
* @brief Read GPIO port value (complete port)
* @param device GPIO port
* @return current value of port
*/
port_type gpio_readPort(rt_dev_t device)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
return PORTA;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
return PORTB;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
return PORTC;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
return PORTD;
#endif
#ifdef GPIO_HAVE_PORTE
case 4:
return PORTE;
#endif
#ifdef GPIO_HAVE_PORTF
case 5:
return PORTF;
#endif
#ifdef GPIO_HAVE_PORTG
case 6:
return PORTG;
#endif
#ifdef GPIO_HAVE_PORTH
case 7:
return PORTH;
#endif
#ifdef GPIO_HAVE_PORTI
case 8:
return PORTI;
#endif
#ifdef GPIO_HAVE_PORTJ
case 9:
return PORTJ;
#endif
#ifdef GPIO_HAVE_PORTK
case 10:
return PORTK;
#endif
}
return 0;
}
/**
* @brief Set GPIO port configuration (input / output)
* @param device GPIO port
* @param config port configuration to set (GPIO_OUTPUT / GPIO_INPUT)
* @return 0 if ok, -1 in case of error
*/
int gpio_setPortConfig(rt_dev_t device, uint16_t config)
{
uint8_t port = MINOR(device) >> GPIO_MAX_PORTWIDTHU;
uint16_t trisValue;
if (config & GPIO_OUTPUT)
{
trisValue = 0x0000;
}
else
{
trisValue = 0xFFFF;
}
switch (port)
{
#ifdef GPIO_HAVE_PORTA
case 0:
TRISA = trisValue;
break;
#endif
#ifdef GPIO_HAVE_PORTB
case 1:
TRISB = trisValue;
break;
#endif
#ifdef GPIO_HAVE_PORTC
case 2:
TRISC = trisValue;
break;
#endif
#ifdef GPIO_HAVE_PORTD
case 3:
TRISD = trisValue;
break;