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Line 62... |
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/**********************************************************************//**
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/**********************************************************************//**
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* Set single pin of GPIO's output port.
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* Set single pin of GPIO's output port.
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*
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*
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* @param[in] pin Output pin number to be set (0..31).
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* @param[in] pin Output pin number to be set (0..63).
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**************************************************************************/
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**************************************************************************/
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void neorv32_gpio_pin_set(uint8_t pin) {
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void neorv32_gpio_pin_set(int pin) {
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pin &= 0x1f;
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uint32_t mask = (uint32_t)(1 << (pin & 0x1f));
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GPIO_OUTPUT = GPIO_OUTPUT | (uint32_t)(1 << pin);
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if (pin < 32) {
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GPIO_OUTPUT_LO |= mask;
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}
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else {
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GPIO_OUTPUT_HI |= mask;
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}
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Clear single pin of GPIO's output port.
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* Clear single pin of GPIO's output port.
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*
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*
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* @param[in] pin Output pin number to be cleared (0..31).
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* @param[in] pin Output pin number to be cleared (0..63).
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**************************************************************************/
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**************************************************************************/
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void neorv32_gpio_pin_clr(uint8_t pin) {
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void neorv32_gpio_pin_clr(int pin) {
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pin &= 0x1f;
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uint32_t mask = (uint32_t)(1 << (pin & 0x1f));
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GPIO_OUTPUT = GPIO_OUTPUT & ~((uint32_t)(1 << pin));
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if (pin < 32) {
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GPIO_OUTPUT_LO &= ~mask;
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}
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else {
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GPIO_OUTPUT_HI &= ~mask;
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}
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Toggle single pin of GPIO's output port.
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* Toggle single pin of GPIO's output port.
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*
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*
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* @param[in] pin Output pin number to be toggled (0..31).
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* @param[in] pin Output pin number to be toggled (0..63).
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**************************************************************************/
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**************************************************************************/
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void neorv32_gpio_pin_toggle(uint8_t pin) {
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void neorv32_gpio_pin_toggle(int pin) {
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uint32_t mask = (uint32_t)(1 << (pin & 0x1f));
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pin &= 0x1f;
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if (pin < 32) {
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GPIO_OUTPUT = GPIO_OUTPUT ^ (uint32_t)(1 << pin);
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GPIO_OUTPUT_LO ^= mask;
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}
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else {
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GPIO_OUTPUT_HI ^= mask;
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}
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Get single pin of GPIO's input port.
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* Get single pin of GPIO's input port.
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*
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*
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* @param[in] pin Input pin to be read (0..31).
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* @param[in] pin Input pin to be read (0..63).
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* @return uint32_t: =0 if pin is low, !=0 if pin is high.
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* @return =0 if pin is low, !=0 if pin is high.
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**************************************************************************/
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**************************************************************************/
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uint32_t neorv32_gpio_pin_get(uint8_t pin) {
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uint32_t neorv32_gpio_pin_get(int pin) {
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uint32_t mask = (uint32_t)(1 << (pin & 0x1f));
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pin &= 0x1f;
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if (pin < 32) {
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return GPIO_INPUT & (uint32_t)(1 << pin);
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return GPIO_INPUT_LO & mask;
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}
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else {
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return GPIO_INPUT_HI & mask;
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}
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Set complete GPIO output port.
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* Set complete GPIO output port.
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*
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*
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* @param[in] port_data New output port value (32-bit).
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* @param[in] port_data New output port value (64-bit).
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**************************************************************************/
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**************************************************************************/
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void neorv32_gpio_port_set(uint32_t port_data) {
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void neorv32_gpio_port_set(uint64_t port_data) {
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GPIO_OUTPUT = port_data;
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GPIO_OUTPUT = port_data;
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Get complete GPIO input port.
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* Get complete GPIO input port.
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*
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*
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* @return Current input port state (32-bit).
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* @return Current input port state (64-bit).
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**************************************************************************/
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**************************************************************************/
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uint32_t neorv32_gpio_port_get(void) {
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uint64_t neorv32_gpio_port_get(void) {
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return GPIO_INPUT;
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return GPIO_INPUT;
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}
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}
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/**********************************************************************//**
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* Configure pin-change IRQ mask for input pins.
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*
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* @note The pin-change IRQ will trigger on any transition (rising and falling edge) for any enabled input pin.
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*
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* @param[in] pin_sel Mask to select which input pins can cause a pin-change IRQ (32-bit), 1 = pin enabled.
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**************************************************************************/
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void neorv32_gpio_pin_change_config(uint32_t pin_sel) {
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GPIO_INPUT = pin_sel;
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}
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No newline at end of file
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No newline at end of file
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