forked from Elron_dev/elbear_arduino_bsp
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
|
|
Copyright (c) 2011 Arduino. All right reserved.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "Arduino.h"
|
|
#include "pins_arduino.h"
|
|
#include "mik32_hal_gpio.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// initialization
|
|
void pinMode(uint32_t PinNumber, uint32_t PinMode)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
|
// if pin number is greater than pin list size - return
|
|
if ((PinNumber>=pinCommonQty()))
|
|
{
|
|
ErrorMsgHandler("pinMode(): pin number exceeds the total number of pins");
|
|
return;
|
|
}
|
|
|
|
if (digitalPinHasPWM(PinNumber))
|
|
// if the pin can use PWM, disable PWM
|
|
analogWriteStop(PinNumber);
|
|
|
|
// determine the port and the pin number in the port
|
|
GPIO_TypeDef *GPIO_addr = digitalPinToPort(PinNumber);
|
|
GPIO_InitStruct.Pin = digitalPinToBitMask(PinNumber);
|
|
|
|
// set up direction and pull up/down
|
|
switch (PinMode)
|
|
{
|
|
case INPUT:
|
|
GPIO_InitStruct.Mode = HAL_GPIO_MODE_GPIO_INPUT;
|
|
GPIO_InitStruct.Pull = HAL_GPIO_PULL_NONE;
|
|
break;
|
|
case INPUT_PULLUP:
|
|
GPIO_InitStruct.Mode = HAL_GPIO_MODE_GPIO_INPUT;
|
|
GPIO_InitStruct.Pull = HAL_GPIO_PULL_UP;
|
|
break;
|
|
case OUTPUT:
|
|
GPIO_InitStruct.Mode = HAL_GPIO_MODE_GPIO_OUTPUT;
|
|
GPIO_InitStruct.Pull = HAL_GPIO_PULL_NONE;
|
|
break;
|
|
}
|
|
|
|
// init pin
|
|
HAL_GPIO_Init(GPIO_addr, &GPIO_InitStruct);
|
|
additionalPinsInit(PinNumber);
|
|
}
|
|
|
|
// write pin
|
|
void digitalWrite(uint32_t PinNumber, uint32_t Val)
|
|
{
|
|
if ((PinNumber>=pinCommonQty()))
|
|
{
|
|
ErrorMsgHandler("digitalWrite(): pin number exceeds the total number of pins");
|
|
return;
|
|
}
|
|
|
|
if (digitalPinHasPWM(PinNumber))
|
|
// if the pin can use PWM, disable PWM
|
|
analogWriteStop(PinNumber);
|
|
|
|
HAL_GPIO_WritePin(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber), (Val == HIGH) ? GPIO_PIN_HIGH : GPIO_PIN_LOW);
|
|
}
|
|
|
|
// read pin
|
|
int digitalRead(uint32_t PinNumber)
|
|
{
|
|
if ((PinNumber>=pinCommonQty()))
|
|
{
|
|
ErrorMsgHandler("digitalRead(): pin number exceeds the total number of pins");
|
|
return -1;
|
|
}
|
|
if (digitalPinHasPWM(PinNumber))
|
|
// if the pin can use PWM, disable PWM
|
|
analogWriteStop(PinNumber);
|
|
|
|
GPIO_PinState pinState = HAL_GPIO_ReadPin(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
|
|
return (pinState == GPIO_PIN_LOW) ? LOW : HIGH;
|
|
}
|
|
|
|
// toggle pin
|
|
void digitalToggle(uint32_t PinNumber)
|
|
{
|
|
if ((PinNumber>=pinCommonQty()))
|
|
{
|
|
ErrorMsgHandler("digitalToggle(): pin number exceeds the total number of pins");
|
|
return;
|
|
}
|
|
if (digitalPinHasPWM(PinNumber))
|
|
// if the pin can use PWM, disable PWM
|
|
analogWriteStop(PinNumber);
|
|
|
|
HAL_GPIO_TogglePin(digitalPinToPort(PinNumber), digitalPinToBitMask(PinNumber));
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|