добавлена проверка - не превышает ли номер вывода из аргумента функции общее кол-во выводов
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@ -79,6 +79,12 @@ static void calcFrequencyParams(FrequencyParams_t* params, unsigned int newFrequ
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// start tone with frequency (in hertz) and duration (in milliseconds)
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void tone(uint8_t pin, unsigned int frequency, unsigned long duration)
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{
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if ((pin>=pinCommonQty()))
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{
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ErrorMsgHandler("tone(): pin number exceeds the total number of pins");
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return;
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}
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if (!timerIsOn) // if tone is not generated at the moment
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{
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// calculate the parameters necessary to ensure a given frequency if the frequency has changed
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@ -123,6 +129,12 @@ void tone(uint8_t pin, unsigned int frequency, unsigned long duration)
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// stop tone
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void noTone(uint8_t pin)
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{
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if ((pin>=pinCommonQty()))
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{
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ErrorMsgHandler("noTone(): pin number exceeds the total number of pins");
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return;
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}
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if (timerIsOn)
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{
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// pin to 0
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@ -170,7 +170,7 @@ It is recommended to turn off the timer in the following order:
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*/
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void analogWriteStop(uint32_t PinNumber)
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{
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if ((pwmIsInited > 0) && (digitalPinPwmIsOn(PinNumber)))
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if (digitalPinHasPWM(PinNumber) && (pwmIsInited > 0) && digitalPinPwmIsOn(PinNumber))
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{
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// load the timer address and channel number corresponding to the specified pin
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htimer32.Instance = pwmPinToTimer(PinNumber);
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@ -69,8 +69,15 @@ void pinMode(uint32_t PinNumber, uint32_t PinMode)
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void fastPinMode(uint32_t PinNumber, uint32_t PinMode)
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{
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if ((PinNumber>=pinCommonQty()))
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{
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ErrorMsgHandler("fastPinMode(): pin number exceeds the total number of pins");
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return;
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}
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GPIO_TypeDef* port = digitalPinToPort(PinNumber);
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HAL_PinsTypeDef pinMask = digitalPinToBitMask(PinNumber);
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// set direction
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if (PinMode == OUTPUT)
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GPIO_OUTPUT_MODE_PIN(port, pinMask);
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@ -19,7 +19,13 @@ NeoPixel::~NeoPixel() {
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}
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void NeoPixel::begin(void) {
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if (pin >= 0) {
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if (pin >= 0)
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{
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if (pin >= pinCommonQty())
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{
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ErrorMsgHandler("NeoPixel.begin(): pin number exceeds the total number of pins");
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return;
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}
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pinMode(pin, OUTPUT);
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digitalWrite(pin, LOW);
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}
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@ -58,59 +64,62 @@ void NeoPixel::updateType(neoPixelType t) {
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static void __attribute__((noinline, section(".ram_text"))) mik32Show(GPIO_TypeDef* m_port, uint32_t m_pin, uint8_t* pixels, uint32_t numBytes, bool is800KHz) {
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// not support 400khz
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if (!is800KHz) return;
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volatile uint32_t* set = &m_port->SET;
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volatile uint32_t* clr = &m_port->CLEAR;
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uint8_t* ptr = pixels;
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uint8_t* end = ptr + numBytes;
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uint8_t p = *ptr++;
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uint8_t bitMask = 0x80;
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noInterrupts();
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while (1) {
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if (p & bitMask) { // ONE
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// High 800ns - 25,6 tick
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*set = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop; nop; nop; nop;"
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"nop; nop; nop; nop; nop; nop; nop; nop;"
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"nop; nop; nop; nop;"
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);
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if ((m_port != NULL) && (m_pin != NC))
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{
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volatile uint32_t* set = &m_port->SET;
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volatile uint32_t* clr = &m_port->CLEAR;
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// Low 450ns - 14,4 tick
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*clr = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop;"
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);
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} else { // ZERO
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// High 400ns - 12,8 tick
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*set = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop; nop;"
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);
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uint8_t* ptr = pixels;
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uint8_t* end = ptr + numBytes;
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uint8_t p = *ptr++;
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uint8_t bitMask = 0x80;
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noInterrupts();
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while (1) {
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if (p & bitMask) { // ONE
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// High 800ns - 25,6 tick
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*set = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop; nop; nop; nop;"
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"nop; nop; nop; nop; nop; nop; nop; nop;"
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"nop; nop; nop; nop;"
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);
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// Low 850ns - 27,2 tick
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*clr = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop; nop; nop; nop;"
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"nop; nop; nop;"
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);
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}
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// Low 450ns - 14,4 tick
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*clr = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop;"
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);
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} else { // ZERO
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// High 400ns - 12,8 tick
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*set = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop; nop;"
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);
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if (bitMask >>= 1) {
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// Move on to the next pixel
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}
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else {
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if (ptr >= end) {
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break;
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// Low 850ns - 27,2 tick
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*clr = m_pin;
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__asm volatile (
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"nop; nop; nop; nop; nop; nop; nop; nop;"
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"nop; nop; nop;"
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);
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}
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if (bitMask >>= 1) {
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// Move on to the next pixel
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}
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else {
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if (ptr >= end) {
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break;
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}
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p = *ptr++;
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bitMask = 0x80;
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}
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p = *ptr++;
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bitMask = 0x80;
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}
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interrupts();
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}
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interrupts();
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}
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void NeoPixel::show(void) {
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@ -228,6 +228,18 @@ void SoftwareSerial::begin(long speed)
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// delays are empirical values here
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_rx_delay_centering = _rx_delay_intrabit = _rx_delay_stopbit = _tx_delay = 0;
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// if pins exceeds the total number of pins, return with zero delays - it blocks further library work
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if ((_transmitPin >= pinCommonQty()))
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{
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ErrorMsgHandler("SoftwareSerial.begin(): Tx pin number exceeds the total number of pins");
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return;
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}
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if ((_receivePin >= pinCommonQty()))
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{
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ErrorMsgHandler("SoftwareSerial.begin(): Rx pin number exceeds the total number of pins");
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return;
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}
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// limit speed
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if (speed > MAX_SOFT_SERIAL_SPEED) speed = MAX_SOFT_SERIAL_SPEED;
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if (speed < MIN_SOFT_SERIAL_SPEED) speed = MIN_SOFT_SERIAL_SPEED;
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@ -67,7 +67,13 @@ const HAL_PinsTypeDef digitalPinToGpioPinArray[] =
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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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GPIO_TypeDef* gpioNum = NULL;
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if (digPinNumber >= 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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// port 2 - led (22)
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if (digPinNumber == LED_BUILTIN)
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gpioNum = GPIO_2;
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@ -85,20 +91,21 @@ 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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{
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if (digPinNumber < pinCommonQty())
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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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ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
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return NC;
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}
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else
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return NC;
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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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uint16_t pinCommonQty(void)
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@ -65,7 +65,13 @@ const HAL_PinsTypeDef digitalPinToGpioPinArray[] =
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// etermines 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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GPIO_TypeDef* gpioNum = NULL;
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if (digPinNumber >= 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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// port 2 - led and button
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if (digPinNumber == LED_BUILTIN || digPinNumber == BTN_BUILTIN)
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gpioNum = GPIO_2;
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@ -83,20 +89,21 @@ 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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{
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if (digPinNumber < pinCommonQty())
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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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ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
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return NC;
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}
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else
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return NC;
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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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uint16_t pinCommonQty(void)
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@ -95,13 +95,7 @@ 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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static inline HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
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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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HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber);
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// total number of pins available for initialization
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static inline uint16_t pinCommonQty(void)
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{
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@ -23,6 +23,12 @@
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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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@ -33,6 +39,21 @@ GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
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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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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 NC;
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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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@ -107,10 +107,7 @@ 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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static inline HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber)
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{
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return (HAL_PinsTypeDef)(1 << (digitalPinNumber & 0xF));
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}
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HAL_PinsTypeDef digitalPinToBitMask(uint32_t digitalPinNumber);
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// total number of pins available for initialization
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static inline uint16_t pinCommonQty(void)
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{
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@ -23,22 +23,31 @@
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GPIO_TypeDef *digitalPinToPort(uint32_t digitalPinNumber)
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{
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if (digitalPinNumber < 16u)
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GPIO_TypeDef* port = NULL;
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if (digitalPinNumber < pinCommonQty())
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{
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return GPIO_0;
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}
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else if ((digitalPinNumber >= 16u) && (digitalPinNumber < 32u))
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{
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return GPIO_1;
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}
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else if ((digitalPinNumber >= 32u) && (digitalPinNumber < 40u))
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{
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return GPIO_2;
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if (digitalPinNumber < 16u)
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port = GPIO_0;
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else if ((digitalPinNumber >= 16u) && (digitalPinNumber < 32u))
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port = GPIO_1;
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else if ((digitalPinNumber >= 32u) && (digitalPinNumber < 40u))
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port = GPIO_2;
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}
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else
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ErrorMsgHandler("digitalPinToPort(): pin number exceeds the total number of pins");
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return port;
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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 digitalPinNumber)
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{
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if (digitalPinNumber >= pinCommonQty())
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{
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return NULL;
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ErrorMsgHandler("digitalPinToBitMask(): pin number exceeds the total number of pins");
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return NC;
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}
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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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