elbear_arduino_bsp/variants/standart/pins_arduino.h
klassents 63e718e83f dev_beta_adcTest (#2)
- добавлена функция изменения разрешения ацп и соответствующие изменения в функции analogRead()
- при измерении ацп накапливает некоторое кол-во измерений и усредняет их
2024-09-12 06:46:31 +03:00

128 lines
4.1 KiB
C

/*
pins_arduino.h - Pin definition functions for Arduino
Part of Arduino - http://www.arduino.cc/
Copyright (c) 2007 David A. Mellis
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., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#ifndef Pins_Arduino_h
#define Pins_Arduino_h
#include "wiring_constants.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "mik32_hal_gpio.h"
#include "mik32_hal_timer32.h"
// analog pins
#define PIN_A0 (14)
#define PIN_A1 (15)
#define PIN_A2 (16)
#define PIN_A3 (17)
// there are D18 and D19 between them
#define PIN_A4 (20)
#define PIN_A5 (21)
static const uint8_t A0 = PIN_A0;
static const uint8_t A1 = PIN_A1;
static const uint8_t A2 = PIN_A2;
static const uint8_t A3 = PIN_A3;
static const uint8_t A4 = PIN_A4;
static const uint8_t A5 = PIN_A5;
// digital pins
// D0...D13, D18, D19
// User led and button
#define LED_BUILTIN (22)
#define BTN_BUILTIN (23)
// determines the address of the port by the board pin number to which this pin belongs on the MCU
GPIO_TypeDef* digitalPinToPort(uint32_t digPinNumber);
// determines the pin address inside the port by the board pin number
HAL_PinsTypeDef digitalPinToBitMask(uint32_t digPinNumber);
// total number of pins available for initialization
uint16_t pinCommonQty(void);
// the function returns a reference to the OUTPUT address of the GPIO register
volatile uint32_t* portOutputRegister(GPIO_TypeDef* GPIO_x);
// the function returns a reference to the STATE address of the GPIO register
volatile uint32_t* portInputRegister(GPIO_TypeDef* GPIO_x);
// UART
// available uarts quantity
#define SERIAL_PORT_QTY 2
// ADC
#define MCU_ADC_RESOLUTION 12 // bits
// determines the ADC channel number by the board pin number
uint32_t analogInputToChannelNumber(uint32_t PinNumber);
// PWM
bool digitalPinHasPWM(uint8_t p);
bool digitalPinPwmIsOn(uint8_t digitalPin); // use only if digitalPinHasPWM() == true
// determines which timer the pin belongs to
TIMER32_TypeDef* pwmPinToTimer(uint32_t digPinNumber);
// determines which timer channel the pin belongs to
HAL_TIMER32_CHANNEL_IndexTypeDef pwmPinToTimerChannel(uint32_t digPinNumber);
// SPI
#define PIN_SPI_SS (10)
#define PIN_SPI_MOSI (11)
#define PIN_SPI_MISO (12)
#define PIN_SPI_SCK (13)
static const uint8_t SS = PIN_SPI_SS;
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
// config SEL_NSS1 to replace D10 to different controller pin,
// because pin 1.3 which is D10 by default is needed to spi
void spi_onBegin(void);
void spi_onEnd(void);
// I2C
#define PIN_WIRE_SDA (18)
#define PIN_WIRE_SCL (19)
#define I2C_NUM (1) // i2c number 1
static const uint8_t SDA = PIN_WIRE_SDA;
static const uint8_t SCL = PIN_WIRE_SCL;
// available frequencies
#define WIRE_FREQ_100K 100000
#define WIRE_FREQ_400K 400000
#define WIRE_FREQ_1000K 1000000
// interrupts
// determines the board pin number by interrupt number
uint32_t interruptToDigitalPin(uint8_t interruptNum);
// determines interrupt number by the board pin number
int8_t digitalPinToInterrupt(uint32_t digPinNumber);
// determines gpio interrupt line by interrupt number
uint32_t interruptToGpioIntLine(uint8_t interruptNum);
// determines interrupt number by the gpio interrupt line
int8_t gpioIntLineToInterrupt(uint32_t gpioIntLine);
// determines gpio interrupt mux by interrupt number
uint32_t interruptToGpioIntMux(uint8_t interruptNum);
#ifdef __cplusplus
}
#endif
#endif