nano везде переименовала в ace-nano
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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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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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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
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General
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Public License along with this library; if not, write to the
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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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// analog pins
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#define PIN_A0 (14)
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#define PIN_A1 (15)
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#define PIN_A2 (16)
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#define PIN_A3 (17)
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// there are D18 and D19 between them for SDA and SCL
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#define PIN_A4 (20)
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#define PIN_A5 (21)
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// there are led (22) and btn (23) on the ace-uno between them
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#define PIN_A6 (24)
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#define PIN_A7 (25)
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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_A5;
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static const uint8_t A7 = PIN_A5;
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// digital pins
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// D0...D13, D18, D19
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// User led and button
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#define LED_BUILTIN (22)
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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 digPinNumber);
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// total number of pins available for initialization
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uint16_t pinCommonQty(void);
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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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// the function initializes additional MCU pins depending on the specified pin number
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void additionalPinsInit(uint32_t PinNumber);
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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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bool digitalPinHasPWM(uint8_t p);
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bool digitalPinPwmIsOn(uint8_t digitalPin); // use only if digitalPinHasPWM() == true
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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 10
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#define PIN_SPI_MOSI 11
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#define PIN_SPI_MISO 12
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#define PIN_SPI_SCK 13
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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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#define PIN_SPI1_SS 9
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#define PIN_SPI1_MOSI 5
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#define PIN_SPI1_MISO 3
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#define PIN_SPI1_SCK 6
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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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// config SEL_NSS1 to replace D10 to different controller pin,
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// because NSS which is D9/D10 by default is needed to spi
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void spi_onBegin(uint8_t spiNum);
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void spi_onEnd(uint8_t spiNum);
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// I2C
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#define PIN_WIRE_SDA 18
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#define PIN_WIRE_SCL 19
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#define I2C_COMMON_QTY 1
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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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// 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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#ifdef __cplusplus
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}
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#endif
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#endif
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@@ -0,0 +1,413 @@
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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,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* 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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#define SPI0_SWITCH_PORT GPIO_1
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#define SPI0_SWITCH_PIN GPIO_PIN_10
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#define SPI0_NSS_IN_PORT GPIO_0
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#define SPI0_NSS_IN_PIN GPIO_PIN_3
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#define SPI0_NSS_OUT_PORT GPIO_1
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#define SPI0_NSS_OUT_PIN GPIO_PIN_14
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#define SPI1_SWITCH_PORT GPIO_1
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#define SPI1_SWITCH_PIN GPIO_PIN_6
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#define SPI1_NSS_IN_PORT GPIO_1
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#define SPI1_NSS_IN_PIN GPIO_PIN_3
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#define SPI1_NSS_OUT_PORT GPIO_1
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#define SPI1_NSS_OUT_PIN GPIO_PIN_4
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bool spi0NssPinIsBlocked = false;
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bool spi1NssPinIsBlocked = false;
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// list of pin numbers from both ports with pins inside the port
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const HAL_PinsTypeDef digitalPinToGpioPinArray[] =
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{
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GPIO_PIN_5, // D0
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GPIO_PIN_6, // D1
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GPIO_PIN_10,// D2
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GPIO_PIN_0, // D3
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GPIO_PIN_8, // D4
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GPIO_PIN_1, // D5
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GPIO_PIN_2, // D6
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GPIO_PIN_8, // D7
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GPIO_PIN_9, // D8
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GPIO_PIN_3, // D9
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GPIO_PIN_3, // D10
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GPIO_PIN_1, // D11
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GPIO_PIN_0, // D12
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GPIO_PIN_2, // D13
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GPIO_PIN_5, // D14/A0
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GPIO_PIN_7, // D15/A1
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GPIO_PIN_4, // D16/A2
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GPIO_PIN_7, // D17/A3
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GPIO_PIN_12,// D18
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GPIO_PIN_13,// D19
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GPIO_PIN_9, // A4 (pin 20)
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GPIO_PIN_9, // A5 (pin 21)
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GPIO_PIN_7, // LED(pin 22)
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0, // dummy pin for backward compatibility with ace-uno
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GPIO_PIN_9, // A6 (pin 24)
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GPIO_PIN_9, // A7 (pin 25)
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};
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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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{
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GPIO_TypeDef* gpioNum = 0;
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// port 2 - led (22)
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if (digPinNumber == LED_BUILTIN)
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gpioNum = GPIO_2;
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// port 1 - board pins 7, 8, 10...13, 14(А0), 15(А1), 18,19
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else if (digPinNumber == 7 || digPinNumber == 8 || (digPinNumber >= 10 && digPinNumber <= 15)
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|| digPinNumber == 18 || digPinNumber == 19 || (digPinNumber == 9 && spi0NssPinIsBlocked))
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gpioNum = GPIO_1;
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// port 0 - board pins 0...6, 9, 16(A2), 17(A3), 20(A4), 21(A5), 24(A6), 25(A7)
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else
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gpioNum = GPIO_0;
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return gpioNum;
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}
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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 digPinNumber)
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{
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if (digPinNumber < pinCommonQty())
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{
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HAL_PinsTypeDef mask;
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// if spi is on default pin NSS_IN is needed for spi, board pin is replaced to pin NSS_OUT
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if ((digPinNumber == 10) && spi1NssPinIsBlocked)
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mask = SPI1_NSS_OUT_PIN;
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else if ((digPinNumber == 9) && spi0NssPinIsBlocked)
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mask = SPI0_NSS_OUT_PIN;
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else
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mask = digitalPinToGpioPinArray[digPinNumber];
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return mask;
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}
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else
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return NC;
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}
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uint16_t pinCommonQty(void)
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{
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return (uint16_t)(sizeof(digitalPinToGpioPinArray)/sizeof(digitalPinToGpioPinArray[0]));
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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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// the function initializes additional MCU pins depending on the specified pin number
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#define SELA_A_PORT GPIO_1
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#define SELA_A_PIN GPIO_PIN_15
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#define SELA_B_PORT GPIO_1
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#define SELA_B_PIN GPIO_PIN_11
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static bool selaSwitchesIsInited = false;
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void additionalPinsInit(uint32_t PinNumber)
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{
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// init switches
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if (!selaSwitchesIsInited)
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{
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// SELA_A
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HAL_GPIO_PinConfig(SELA_A_PORT, SELA_A_PIN, HAL_GPIO_MODE_GPIO_OUTPUT, HAL_GPIO_PULL_NONE, HAL_GPIO_DS_2MA);
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// SELA_B
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HAL_GPIO_PinConfig(SELA_B_PORT, SELA_B_PIN, HAL_GPIO_MODE_GPIO_OUTPUT, HAL_GPIO_PULL_NONE, HAL_GPIO_DS_2MA);
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selaSwitchesIsInited = true;
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}
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if (PinNumber == A4)
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{
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HAL_GPIO_WritePin(SELA_A_PORT, SELA_A_PIN, GPIO_PIN_LOW);
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HAL_GPIO_WritePin(SELA_B_PORT, SELA_B_PIN, GPIO_PIN_LOW);
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}
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else if(PinNumber == A5)
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{
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HAL_GPIO_WritePin(SELA_A_PORT, SELA_A_PIN, GPIO_PIN_HIGH);
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HAL_GPIO_WritePin(SELA_B_PORT, SELA_B_PIN, GPIO_PIN_LOW);
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}
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else if(PinNumber == A6)
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{
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HAL_GPIO_WritePin(SELA_A_PORT, SELA_A_PIN, GPIO_PIN_LOW);
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HAL_GPIO_WritePin(SELA_B_PORT, SELA_B_PIN, GPIO_PIN_HIGH);
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}
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else if(PinNumber == A7)
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{
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HAL_GPIO_WritePin(SELA_A_PORT, SELA_A_PIN, GPIO_PIN_HIGH);
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HAL_GPIO_WritePin(SELA_B_PORT, SELA_B_PIN, GPIO_PIN_HIGH);
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}
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}
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void additionalPinsDeinit(uint32_t PinNumber)
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{
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if (PinNumber == A4 || PinNumber == A5)
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{
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// select A7 via switches selaA, selaB to allow using A4 and A5 as digital outputs
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HAL_GPIO_WritePin(SELA_A_PORT, SELA_A_PIN, GPIO_PIN_HIGH);
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HAL_GPIO_WritePin(SELA_B_PORT, SELA_B_PIN, GPIO_PIN_HIGH);
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}
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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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// if get a value 0...5 instead of A0...A7
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if (PinNumber < 4) PinNumber += 14; // A0...A3
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else if (PinNumber < 6) PinNumber += 16; // A4, A5
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else if (PinNumber < 8) PinNumber += 18; // A6, A7
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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_CHANNEL3;
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break;
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case PIN_A3:
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adcChannel = ADC_CHANNEL4;
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break;
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case PIN_A4:
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case PIN_A5:
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case PIN_A6:
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case PIN_A7:
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adcChannel = ADC_CHANNEL5;
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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==10)||(pin==11)||(pin==12)||(pin==13)) ? 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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bool digitalPinPwmIsOn(uint8_t digitalPin)
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{
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uint8_t config = 0;
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uint8_t pinShift = PIN_MASK_TO_PIN_NUMBER(digitalPinToBitMask(digitalPin));
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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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else
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return false;
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}
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bool digitalPinHasPWM(uint8_t p)
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{
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bool ret = false;
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// if spi is in use D10 cannot work as pwm
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if (((p == 9) && spi0NssPinIsBlocked) || ((p == 10) && spi1NssPinIsBlocked))
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ret = false;
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else if (p == 3 || p == 5 || p == 6 || (p >= 9 && p <= 13))
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ret = true;
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return ret;
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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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{
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TIMER32_TypeDef* timerNum = NULL;
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// timer 1
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if (digPinNumber == 3 || digPinNumber == 5 || digPinNumber == 6 || digPinNumber == 9)
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timerNum = TIMER32_1;
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// timer 2
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else if ((digPinNumber >= 10) && (digPinNumber <= 13))
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timerNum = TIMER32_2;
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return timerNum;
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}
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||||
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// function is used only if digitalPinHasPWM() is true
|
||||
HAL_TIMER32_CHANNEL_IndexTypeDef pwmPinToTimerChannel(uint32_t digPinNumber)
|
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{
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HAL_TIMER32_CHANNEL_IndexTypeDef channel = 0;
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if (digPinNumber == 3 || digPinNumber == 12) channel = TIMER32_CHANNEL_0;
|
||||
else if (digPinNumber == 5 || digPinNumber == 11) channel = TIMER32_CHANNEL_1;
|
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else if (digPinNumber == 6 || digPinNumber == 13) channel = TIMER32_CHANNEL_2;
|
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else if (digPinNumber == 9 || digPinNumber == 10) channel = TIMER32_CHANNEL_3;
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||||
return channel;
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||||
}
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||||
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||||
// ---------------------- 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] =
|
||||
{
|
||||
{ 2, GPIO_LINE_2, GPIO_MUX_LINE_2_PORT0_10}, // INT0
|
||||
{ 3, GPIO_LINE_0, GPIO_MUX_LINE_0_PORT0_0}, // INT1
|
||||
{ 4, GPIO_LINE_4, GPIO_MUX_LINE_4_PORT0_8}, // INT2
|
||||
{ 5, GPIO_LINE_1, GPIO_MUX_LINE_1_PORT0_1}, // INT3
|
||||
{ 6, GPIO_LINE_6, GPIO_MUX_LINE_6_PORT0_2}, // INT4
|
||||
{ 8, GPIO_LINE_5, GPIO_MUX_LINE_5_PORT1_9}, // INT5
|
||||
{ 9, GPIO_LINE_3, GPIO_MUX_LINE_3_PORT0_3}, // INT6
|
||||
{ A1, GPIO_LINE_7, GPIO_MUX_LINE_7_PORT1_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 Elbear Nano spi0 needs pin 0.3, spi1 needs pin 1.3 for correct work (NSS_IN).
|
||||
// This pins are connected to board digital pins D9 and D10. There is a seller on each pin which
|
||||
// replace board digital pin from NSS_IN pin to different free pin (NSS_OUT)
|
||||
|
||||
// replace config from NSS_IN to NSS_OUT
|
||||
uint8_t config;
|
||||
if (spiNum == 1)
|
||||
config = PIN_GET_PAD_CONFIG(PORT_1_CFG, PIN_MASK_TO_PIN_NUMBER(SPI1_NSS_IN_PIN));
|
||||
else
|
||||
config = PIN_GET_PAD_CONFIG(PORT_0_CFG, PIN_MASK_TO_PIN_NUMBER(SPI0_NSS_IN_PIN));
|
||||
|
||||
if (config == 0) // common gpio
|
||||
{
|
||||
if (spiNum == 1)
|
||||
{
|
||||
// get info from pin NSS_IN and set config to NSS_OUT
|
||||
HAL_GPIO_PinConfig(SPI1_NSS_OUT_PORT, SPI1_NSS_OUT_PIN, HAL_GPIO_GetPinDirection(SPI1_NSS_IN_PORT, SPI1_NSS_IN_PIN),
|
||||
(HAL_GPIO_PullTypeDef)PIN_GET_PAD_CONFIG(PORT_1_PUPD, PIN_MASK_TO_PIN_NUMBER(SPI1_NSS_IN_PIN)),
|
||||
HAL_GPIO_DS_2MA);
|
||||
HAL_GPIO_WritePin(SPI1_NSS_OUT_PORT, SPI1_NSS_OUT_PIN, (GPIO_PinState)GPIO_GET_PIN_STATE(SPI1_NSS_IN_PORT, PIN_MASK_TO_PIN_NUMBER(SPI1_NSS_IN_PIN)));
|
||||
|
||||
// pin D10 was switched to different gpio and can be used further
|
||||
}
|
||||
else
|
||||
{
|
||||
// get info from pin NSS_IN and set config to NSS_OUT
|
||||
HAL_GPIO_PinConfig(SPI0_NSS_OUT_PORT, SPI0_NSS_OUT_PIN, HAL_GPIO_GetPinDirection(SPI0_NSS_IN_PORT, SPI0_NSS_IN_PIN),
|
||||
(HAL_GPIO_PullTypeDef)PIN_GET_PAD_CONFIG(PORT_0_PUPD, PIN_MASK_TO_PIN_NUMBER(SPI0_NSS_IN_PIN)),
|
||||
HAL_GPIO_DS_2MA);
|
||||
HAL_GPIO_WritePin(SPI0_NSS_OUT_PORT, SPI0_NSS_OUT_PIN, (GPIO_PinState)GPIO_GET_PIN_STATE(SPI0_NSS_IN_PORT, PIN_MASK_TO_PIN_NUMBER(SPI0_NSS_IN_PIN)));
|
||||
// pin D9 was switched to different gpio and can be used further
|
||||
}
|
||||
}
|
||||
else if(config == 2) // timer for pwm
|
||||
{
|
||||
// if spi NSS_IN pin was used as pwm, we need to stop timer, because another pins don't support it
|
||||
if (spiNum == 1)
|
||||
{
|
||||
analogWriteStop(10);
|
||||
ErrorMsgHandler("analogWrite(): D10 cannot be used as PWM pin while SPI is running");
|
||||
}
|
||||
else
|
||||
{
|
||||
analogWriteStop(9);
|
||||
ErrorMsgHandler("analogWrite(): D9 cannot be used as PWM pin while SPI1 is running");
|
||||
}
|
||||
}
|
||||
|
||||
// switch seller to pin NSS_OUT
|
||||
if (spiNum == 1)
|
||||
{
|
||||
HAL_GPIO_PinConfig(SPI1_SWITCH_PORT, SPI1_SWITCH_PIN, HAL_GPIO_MODE_GPIO_OUTPUT, HAL_GPIO_PULL_NONE, HAL_GPIO_DS_2MA);
|
||||
HAL_GPIO_WritePin (SPI1_SWITCH_PORT, SPI1_SWITCH_PIN, GPIO_PIN_HIGH);
|
||||
spi1NssPinIsBlocked = true; // block spi pin
|
||||
}
|
||||
else
|
||||
{
|
||||
HAL_GPIO_PinConfig(SPI0_SWITCH_PORT, SPI0_SWITCH_PIN, HAL_GPIO_MODE_GPIO_OUTPUT, HAL_GPIO_PULL_NONE, HAL_GPIO_DS_2MA);
|
||||
HAL_GPIO_WritePin (SPI0_SWITCH_PORT, SPI0_SWITCH_PIN, GPIO_PIN_HIGH);
|
||||
spi0NssPinIsBlocked = true; // block spi pin
|
||||
}
|
||||
}
|
||||
|
||||
void spi_onEnd(uint8_t spiNum)
|
||||
{
|
||||
// get info from pin NSS_OUT and set config to NSS_IN
|
||||
if (spiNum == 1)
|
||||
{
|
||||
HAL_GPIO_PinConfig(SPI1_NSS_IN_PORT, SPI1_NSS_IN_PIN, HAL_GPIO_GetPinDirection(SPI1_NSS_OUT_PORT, SPI1_NSS_OUT_PIN),
|
||||
(HAL_GPIO_PullTypeDef)PIN_GET_PAD_CONFIG(PORT_1_PUPD, PIN_MASK_TO_PIN_NUMBER(SPI1_NSS_OUT_PIN)), HAL_GPIO_DS_2MA);
|
||||
HAL_GPIO_WritePin (SPI1_NSS_IN_PORT, SPI1_NSS_IN_PIN,
|
||||
(GPIO_PinState)GPIO_GET_PIN_STATE(SPI1_NSS_OUT_PORT, PIN_MASK_TO_PIN_NUMBER(SPI1_NSS_OUT_PIN)));
|
||||
|
||||
// switch seller back to NSS_IN
|
||||
HAL_GPIO_WritePin(SPI1_SWITCH_PORT, SPI1_SWITCH_PIN, GPIO_PIN_LOW);
|
||||
spi1NssPinIsBlocked = false; // unblock spi pin
|
||||
}
|
||||
else
|
||||
{
|
||||
HAL_GPIO_PinConfig(SPI0_NSS_IN_PORT, SPI0_NSS_IN_PIN, HAL_GPIO_GetPinDirection(SPI0_NSS_OUT_PORT, SPI0_NSS_OUT_PIN),
|
||||
(HAL_GPIO_PullTypeDef)PIN_GET_PAD_CONFIG(PORT_1_PUPD, PIN_MASK_TO_PIN_NUMBER(SPI0_NSS_OUT_PIN)), HAL_GPIO_DS_2MA);
|
||||
HAL_GPIO_WritePin (SPI0_NSS_IN_PORT, SPI0_NSS_IN_PIN,
|
||||
(GPIO_PinState)GPIO_GET_PIN_STATE(SPI0_NSS_OUT_PORT, PIN_MASK_TO_PIN_NUMBER(SPI0_NSS_OUT_PIN)));
|
||||
|
||||
// switch seller back to NSS_IN
|
||||
HAL_GPIO_WritePin(SPI0_SWITCH_PORT, SPI0_SWITCH_PIN, GPIO_PIN_LOW);
|
||||
spi0NssPinIsBlocked = false; // unblock spi pin
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user