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added function to configure GPIO.pin_change_irq_en_mask

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stnolting 2020-09-13 18:24:58 +02:00
parent 42706d2261
commit 0ea028ea19
2 changed files with 20 additions and 5 deletions
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1
sw/lib/include/neorv32_gpio.h
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@ -52,5 +52,6 @@ void neorv32_gpio_pin_toggle(uint8_t p);
uint32_t neorv32_gpio_pin_get(uint8_t p);
void neorv32_gpio_port_set(uint32_t d);
uint32_t neorv32_gpio_port_get(void);
void neorv32_gpio_pin_change_config(uint32_t pin_sel);
#endif // neorv32_gpio_h

24
sw/lib/source/neorv32_gpio.c
View file

@ -64,7 +64,7 @@ int neorv32_gpio_available(void) {
/**********************************************************************//**
* Set single pin of GPIO's output port.
*
* @param[in] pin Pin number to be set (0..31).
* @param[in] pin Output pin number to be set (0..31).
**************************************************************************/
void neorv32_gpio_pin_set(uint8_t pin) {
@ -76,7 +76,7 @@ void neorv32_gpio_pin_set(uint8_t pin) {
/**********************************************************************//**
* Clear single pin of GPIO's output port.
*
* @param[in] pin Pin number to be cleared (0..31).
* @param[in] pin Output pin number to be cleared (0..31).
**************************************************************************/
void neorv32_gpio_pin_clr(uint8_t pin) {
@ -88,7 +88,7 @@ void neorv32_gpio_pin_clr(uint8_t pin) {
/**********************************************************************//**
* Toggle single pin of GPIO's output port.
*
* @param[in] pin Pin number to be toggled (0..31).
* @param[in] pin Output pin number to be toggled (0..31).
**************************************************************************/
void neorv32_gpio_pin_toggle(uint8_t pin) {
@ -100,7 +100,7 @@ void neorv32_gpio_pin_toggle(uint8_t pin) {
/**********************************************************************//**
* Get single pin of GPIO's input port.
*
* @param[in] pin Pin to be read (0..31).
* @param[in] pin Input pin to be read (0..31).
* @return uint32_t: =0 if pin is low, !=0 if pin is high.
**************************************************************************/
uint32_t neorv32_gpio_pin_get(uint8_t pin) {
@ -113,7 +113,7 @@ uint32_t neorv32_gpio_pin_get(uint8_t pin) {
/**********************************************************************//**
* Set complete GPIO output port.
*
* @param[in] port_data New port value (32-bit).
* @param[in] port_data New output port value (32-bit).
**************************************************************************/
void neorv32_gpio_port_set(uint32_t port_data) {
@ -130,3 +130,17 @@ uint32_t neorv32_gpio_port_get(void) {
return GPIO_INPUT;
}
/**********************************************************************//**
* Configure pin-change IRQ mask for input pins.
*
* @note The pin-change IRQ will trigger on any transition (rising and falling edge) for any enabled input pin.
*
* @param[in] pin_en Mask to select which input pins can cause a pin-change IRQ (32-bit), 1 = pin enabled.
**************************************************************************/
void neorv32_gpio_pin_change_config(uint32_t pin_sel) {
GPIO_INPUT = pin_sel;
}