v0.5.0
- добавлена поддержка платы ELBEAR ACE-NANO; - добавлена поддержка плат ELSOMIK OEM и SE; - добавлена возможность работы в режиме отладки для всех плат, входящих в состав пакета. Доступно для версии ArduinoIDE 2 и выше; - добавлена поддержка библиотеки FreeRTOS; - добавлена поддержка библиотеки IRremote; - добавлена поддержка библиотеки OneWire; - добавлена поддержка аппаратного I2C0 для плат START-MIK32 и ELSOMIK. Для работы с ним доступен экземпляр класса Wire1; - добавлена поддержка аппаратного SPI0 для всех плат, входящих в пакет. Для работы с ним доступен экземпляр класса SPI1; - увеличено быстродействие функций digitalWrite, digitalRead; - исправлены известные ошибки. Co-authored-by: KlassenTS <klassen@elron.tech> Co-committed-by: KlassenTS <klassen@elron.tech>
This commit was merged in pull request #19.
This commit is contained in:
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@@ -0,0 +1,196 @@
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/*
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pins_arduino.h - Pin definition functions for Arduino
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||||
Part of Arduino - http://www.arduino.cc/
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||||
Copyright (c) 2007 David A. Mellis
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||||
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||||
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.
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||||
|
||||
This library is distributed in the hope that it will be useful,
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||||
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,
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Boston, MA 02111-1307 USA
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*/
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#ifndef Pins_Arduino_h
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#define Pins_Arduino_h
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#include "wiring_constants.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "mik32_hal_gpio.h"
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#include "mik32_hal_timer32.h"
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// digital pins
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typedef enum
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{
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P0_0 = 0, // 0
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P0_1, // 1
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P0_2, // 2
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P0_3, // 3
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P0_4, // 4
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P0_5, // 5
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P0_6, // 6
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P0_7, // 7
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P0_8, // 8
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P0_9, // 9
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P0_10, // 10
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P0_11, // 11 // TDI
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P0_12, // 12 // TCK
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P0_13, // 13 // TMS
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P0_14, // 14 // TRST
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P0_15, // 15 // TDO
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P1_0, // 16
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P1_1, // 17
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P1_2, // 18
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P1_3, // 19
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P1_4, // 20
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P1_5, // 21
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P1_6, // 22
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P1_7, // 23
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P1_8, // 24
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P1_9, // 25
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P1_10, // 26
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P1_11, // 27
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P1_12, // 28
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P1_13, // 29
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P1_14, // 30
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P1_15, // 31
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P2_6, // 32
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P2_7, // 33
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PINS_COMMON_QTY, // 34
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} DigitalPinsTypeDef;
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// total number of pins available for initialization
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#define pinCommonQty() (PINS_COMMON_QTY)
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// analog pins
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#define PIN_A0 (P1_5)
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#define PIN_A1 (P1_7)
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#define PIN_A2 (P0_2)
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#define PIN_A3 (P0_4)
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#define PIN_A4 (P0_7)
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#define PIN_A5 (P0_9)
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#define PIN_A6 (P0_11)
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#define PIN_A7 (P0_13)
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static const uint8_t A0 = PIN_A0;
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static const uint8_t A1 = PIN_A1;
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static const uint8_t A2 = PIN_A2;
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static const uint8_t A3 = PIN_A3;
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static const uint8_t A4 = PIN_A4;
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static const uint8_t A5 = PIN_A5;
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static const uint8_t A6 = PIN_A6;
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static const uint8_t A7 = PIN_A7;
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// determines the address of the port by the board pin number to which this pin belongs on the MCU
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GPIO_TypeDef* digitalPinToPort(uint32_t digPinNumber);
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// determines the pin address inside the port by the board pin number
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HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber);
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// the function returns a reference to the OUTPUT address of the GPIO register
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volatile uint32_t* portOutputRegister(GPIO_TypeDef* GPIO_x);
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// the function returns a reference to the STATE address of the GPIO register
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volatile uint32_t* portInputRegister(GPIO_TypeDef* GPIO_x);
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// functions are needed for compatibility with other boards
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static inline void additionalPinsInit(uint32_t PinNumber) {}
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static inline void additionalPinsDeinit(uint32_t PinNumber){}
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// UART
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// available uarts quantity
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#define SERIAL_PORT_QTY 2
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// ADC
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||||
#define MCU_ADC_RESOLUTION 12 // bits
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||||
// determines the ADC channel number by the board pin number
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uint32_t analogInputToChannelNumber(uint32_t PinNumber);
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// PWM
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#define PWM_FREQUENCY_MAX 1000000 // Hz
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static inline __attribute__((always_inline)) bool digitalPinHasPWM(uint8_t p)
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{
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return (p <= P1_15) && ((p & 0xF) < 4);
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}
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// return true if digitalPin configured as pwm
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bool digitalPinPwmIsOn(uint8_t digitalPin);
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// determines which timer the pin belongs to
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TIMER32_TypeDef* pwmPinToTimer(uint32_t digPinNumber);
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// determines which timer channel the pin belongs to
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HAL_TIMER32_CHANNEL_IndexTypeDef pwmPinToTimerChannel(uint32_t digPinNumber);
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// SPI
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#define SPI_COMMON_QTY 2
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#define PIN_SPI_SS P1_3
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#define PIN_SPI_MOSI P1_1
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#define PIN_SPI_MISO P1_0
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#define PIN_SPI_SCK P1_2
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static const uint8_t SS = PIN_SPI_SS;
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static const uint8_t MOSI = PIN_SPI_MOSI;
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static const uint8_t MISO = PIN_SPI_MISO;
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static const uint8_t SCK = PIN_SPI_SCK;
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||||
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#define PIN_SPI1_SS P0_3
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#define PIN_SPI1_MOSI P0_1
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#define PIN_SPI1_MISO P0_0
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#define PIN_SPI1_SCK P0_2
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static const uint8_t SS1 = PIN_SPI1_SS;
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static const uint8_t MOSI1 = PIN_SPI1_MOSI;
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static const uint8_t MISO1 = PIN_SPI1_MISO;
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static const uint8_t SCK1 = PIN_SPI1_SCK;
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||||
// check if pwm is used on spi pins
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void spi_onBegin(uint8_t spiNum);
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static inline void spi_onEnd(uint8_t spiNum){}
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||||
// I2C
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||||
#define I2C_COMMON_QTY 2
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// Wire (I2C1)
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#define PIN_WIRE_SDA P1_12
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#define PIN_WIRE_SCL P1_13
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static const uint8_t SDA = PIN_WIRE_SDA;
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||||
static const uint8_t SCL = PIN_WIRE_SCL;
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||||
// Wire1 (I2C0)
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#define PIN_WIRE_SDA1 P0_9
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#define PIN_WIRE_SCL1 P0_10
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static const uint8_t SDA1 = PIN_WIRE_SDA1;
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||||
static const uint8_t SCL1 = PIN_WIRE_SCL1;
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// available frequencies
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#define WIRE_FREQ_100K 100000
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#define WIRE_FREQ_400K 400000
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#define WIRE_FREQ_1000K 1000000
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// interrupts
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#define EXTERNAL_INTERRUPTS_QTY 8
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extern uint8_t interruptInfo[EXTERNAL_INTERRUPTS_QTY][3];
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// determines the board pin number by interrupt number
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#define interruptToDigitalPin(interruptNum) (interruptInfo[interruptNum][0])
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// determines gpio interrupt line by interrupt number
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#define interruptToGpioIntLine(interruptNum) ((uint8_t)interruptInfo[interruptNum][1])
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// determines gpio interrupt mux by interrupt number
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#define interruptToGpioIntMux(interruptNum) ((uint8_t)interruptInfo[interruptNum][2])
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// determines interrupt number by the board pin number
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int8_t digitalPinToInterrupt(uint32_t digPinNumber);
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// determines interrupt number by the gpio interrupt line
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int8_t gpioIntLineToInterrupt(uint32_t gpioIntLine);
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// determines gpio interrupt mux by the board pin number
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int8_t digitalPinToGpioIntMux(uint8_t digPinNumber);
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// determines gpio interrupt line by the board pin number
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int8_t digitalPinToGpioIntLine(uint8_t digPinNumber);
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||||
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||||
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||||
#ifdef __cplusplus
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}
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#endif
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#endif
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@@ -0,0 +1,240 @@
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/**
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*******************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* All rights reserved.
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*
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||||
* This software component is licensed by WCH under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
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||||
*
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||||
*******************************************************************************
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*/
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#include "pins_arduino.h"
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#include "mik32_hal_adc.h"
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#include "wiring_analog.h"
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#include "wiring_LL.h"
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/**
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* @brief Determines the address of the port by the board pin number to which this pin belongs on the MCU
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* @return The address of the port corresponding to the board pin number. Can return 0 if the pin not exists
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*/
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__attribute__((noinline, section(".ram_text"))) GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
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{
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if (digitalPinNumber >= pinCommonQty())
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{
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ErrorMsgHandler("digitalPinToPort(): pin number exceeds the total number of pins");
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return NULL;
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}
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if (digitalPinNumber <= P0_15)
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return GPIO_0;
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else if ((digitalPinNumber >= P1_0) && (digitalPinNumber <= P1_15))
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return GPIO_1;
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else if ((digitalPinNumber >= P2_6) && (digitalPinNumber < PINS_COMMON_QTY))
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return GPIO_2;
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else
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return NULL;
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}
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// determines the pin address inside the port by the board pin number
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__attribute__((noinline, section(".ram_text"))) HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
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{
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if (digitalPinNumber >= PINS_COMMON_QTY)
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{
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ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
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return NOT_A_PIN;
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}
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if (digitalPinNumber >= P2_6)
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return (HAL_PinsTypeDef)(1 << ((digitalPinNumber+6) & 0xF));
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else
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return (HAL_PinsTypeDef)(1 << (digitalPinNumber & 0xF));
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}
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// the function returns a reference to the OUTPUT address of the GPIO register
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volatile uint32_t *portOutputRegister(GPIO_TypeDef *GPIO_x)
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{
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return &GPIO_x->OUTPUT_;
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}
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// the function returns a reference to the STATE address of the GPIO register
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volatile uint32_t *portInputRegister(GPIO_TypeDef *GPIO_x)
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{
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return &GPIO_x->STATE;
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}
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// ---------------------- ADC ---------------------- //
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// determines the ADC channel number by the board pin number
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uint32_t analogInputToChannelNumber(uint32_t PinNumber)
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{
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uint32_t adcChannel = 0;
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switch (PinNumber)
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{
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case PIN_A0:
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adcChannel = ADC_CHANNEL0;
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break;
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case PIN_A1:
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adcChannel = ADC_CHANNEL1;
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break;
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case PIN_A2:
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adcChannel = ADC_CHANNEL2;
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break;
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case PIN_A3:
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adcChannel = ADC_CHANNEL3;
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break;
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case PIN_A4:
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adcChannel = ADC_CHANNEL4;
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break;
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case PIN_A5:
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adcChannel = ADC_CHANNEL5;
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break;
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case PIN_A6:
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adcChannel = ADC_CHANNEL6;
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break;
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case PIN_A7:
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adcChannel = ADC_CHANNEL7;
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break;
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default:
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adcChannel = NC;
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}
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return adcChannel;
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}
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// ---------------------- PWM ---------------------- //
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// use only if digitalPinHasPWM() == true
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#define PWM_PIN_TO_PORT_NUMBER(pin) (((pin) & 16) ? 1 : 0)
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// use only if digitalPinHasPWM() == true
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// return true if digitalPin configured as pwm
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__attribute__((noinline, section(".ram_text"))) bool digitalPinPwmIsOn(uint8_t digitalPin)
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{
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if (digitalPinHasPWM(digitalPin))
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{
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uint8_t config = 0;
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uint8_t pinShift = digitalPin & 0x3;
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if (PWM_PIN_TO_PORT_NUMBER(digitalPin) == 0)
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config = PIN_GET_PAD_CONFIG(PORT_0_CFG, pinShift);
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else
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config = PIN_GET_PAD_CONFIG(PORT_1_CFG, pinShift);
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if (config == 2)
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return true;
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}
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return false;
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}
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// function is used only if digitalPinHasPWM() is true
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TIMER32_TypeDef *pwmPinToTimer(uint32_t digPinNumber)
|
||||
{
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||||
if (digPinNumber <= P0_15)
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return TIMER32_1;
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||||
else if ((digPinNumber >= P1_0) && (digPinNumber <= P1_15))
|
||||
return TIMER32_2;
|
||||
else
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||||
return NULL;
|
||||
}
|
||||
|
||||
// function is used only if digitalPinHasPWM() is true
|
||||
HAL_TIMER32_CHANNEL_IndexTypeDef pwmPinToTimerChannel(uint32_t digPinNumber)
|
||||
{
|
||||
switch (digPinNumber & 0x3)
|
||||
{
|
||||
case 0:
|
||||
return TIMER32_CHANNEL_0;
|
||||
case 1:
|
||||
return TIMER32_CHANNEL_1;
|
||||
case 2:
|
||||
return TIMER32_CHANNEL_2;
|
||||
case 3:
|
||||
return TIMER32_CHANNEL_3;
|
||||
default:
|
||||
return 255;
|
||||
}
|
||||
}
|
||||
|
||||
// ---------------------- interrupts ---------------------- //
|
||||
// interrupt table is stored in ram to improve performance
|
||||
// index = interrupt number. In each row {digitalPinNumber, IntLineValue, IntMuxValue}
|
||||
uint8_t interruptInfo[EXTERNAL_INTERRUPTS_QTY][3] =
|
||||
{
|
||||
{P0_8, GPIO_LINE_0, GPIO_MUX_LINE_0_PORT0_8}, // INT0
|
||||
{P1_4, GPIO_LINE_4, GPIO_MUX_LINE_4_PORT1_4}, // INT1
|
||||
{P1_5, GPIO_LINE_5, GPIO_MUX_LINE_5_PORT1_5}, // INT2
|
||||
{P1_6, GPIO_LINE_6, GPIO_MUX_LINE_6_PORT1_6}, // INT3
|
||||
{P1_9, GPIO_LINE_1, GPIO_MUX_LINE_1_PORT1_9}, // INT4
|
||||
{P1_10, GPIO_LINE_2, GPIO_MUX_LINE_2_PORT1_10}, // INT5
|
||||
{P1_15, GPIO_LINE_3, GPIO_MUX_LINE_3_PORT1_15}, // INT6
|
||||
{P2_7, GPIO_LINE_7, GPIO_MUX_LINE_7_PORT2_7}, // INT7
|
||||
};
|
||||
|
||||
int8_t digitalPinToGpioIntMux(uint8_t digPinNumber)
|
||||
{
|
||||
for (uint8_t i = 0; i < EXTERNAL_INTERRUPTS_QTY; i++)
|
||||
{
|
||||
if (interruptInfo[i][0] == digPinNumber)
|
||||
return interruptInfo[i][2];
|
||||
}
|
||||
return NOT_AN_INTERRUPT;
|
||||
}
|
||||
int8_t digitalPinToGpioIntLine(uint8_t digPinNumber)
|
||||
{
|
||||
for (uint8_t i = 0; i < EXTERNAL_INTERRUPTS_QTY; i++)
|
||||
{
|
||||
if (interruptInfo[i][0] == digPinNumber)
|
||||
return interruptInfo[i][1];
|
||||
}
|
||||
return NOT_AN_INTERRUPT;
|
||||
}
|
||||
|
||||
int8_t gpioIntLineToInterrupt(uint32_t gpioIntLine)
|
||||
{
|
||||
for (uint8_t i = 0; i < EXTERNAL_INTERRUPTS_QTY; i++)
|
||||
{
|
||||
if (interruptInfo[i][1] == gpioIntLine)
|
||||
return i;
|
||||
}
|
||||
return NOT_AN_INTERRUPT;
|
||||
}
|
||||
|
||||
int8_t digitalPinToInterrupt(uint32_t digPinNumber)
|
||||
{
|
||||
for (uint8_t i = 0; i < EXTERNAL_INTERRUPTS_QTY; i++)
|
||||
{
|
||||
if (interruptInfo[i][0] == digPinNumber)
|
||||
return i;
|
||||
}
|
||||
return NOT_AN_INTERRUPT;
|
||||
}
|
||||
|
||||
// ---------------------- SPI ---------------------- //
|
||||
void spi_onBegin(uint8_t spiNum)
|
||||
{
|
||||
// On mik32 spi0 needs pin 0.3, spi1 needs pin 1.3 for correct work.
|
||||
// This pins also can be used as pwm. If pwm is working when spi begins, we should stop the pwm channel
|
||||
|
||||
// get pin NSS_IN config
|
||||
uint8_t config;
|
||||
if (spiNum == 1)
|
||||
config = PIN_GET_PAD_CONFIG(PORT_1_CFG, PIN_MASK_TO_PIN_NUMBER(GPIO_PIN_3));
|
||||
else
|
||||
config = PIN_GET_PAD_CONFIG(PORT_0_CFG, PIN_MASK_TO_PIN_NUMBER(GPIO_PIN_3));
|
||||
|
||||
if(config == 2) // timer for pwm
|
||||
{
|
||||
if (spiNum == 1)
|
||||
{
|
||||
analogWriteStop(P1_3);
|
||||
ErrorMsgHandler("analogWrite(): P1_3 cannot be used as PWM pin while SPI is running");
|
||||
}
|
||||
else
|
||||
{
|
||||
analogWriteStop(P0_3);
|
||||
ErrorMsgHandler("analogWrite(): P0_3 cannot be used as PWM pin while SPI1 is running");
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user