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Add gpio_set_irqover to match inover/outover/oeover (fixes #265) #470

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Merged
kilograham merged 1 commit into from
Jun 3, 2021
Merged

Add gpio_set_irqover to match inover/outover/oeover (fixes #265) #470

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4 changes: 4 additions & 0 deletions src/host/hardware_gpio/gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,10 @@ void gpio_set_pulls(uint gpio, bool up, bool down) {

}

void gpio_set_irqover(uint gpio, uint value) {

}

void gpio_set_outover(uint gpio, uint value) {

}
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2 changes: 2 additions & 0 deletions src/host/hardware_gpio/include/hardware/gpio.h
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@ void gpio_disable_pulls(uint gpio);

void gpio_set_pulls(uint gpio, bool up, bool down);

void gpio_set_irqover(uint gpio, uint value);

void gpio_set_outover(uint gpio, uint value);

void gpio_set_inover(uint gpio, uint value);
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9 changes: 9 additions & 0 deletions src/rp2_common/hardware_gpio/gpio.c
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Expand Up @@ -57,6 +57,15 @@ void gpio_set_pulls(uint gpio, bool up, bool down) {
);
}

// Direct override for per-GPIO IRQ signal
void gpio_set_irqover(uint gpio, uint value) {
invalid_params_if(GPIO, gpio >= NUM_BANK0_GPIOS);
hw_write_masked(&iobank0_hw->io[gpio].ctrl,
value << IO_BANK0_GPIO0_CTRL_IRQOVER_LSB,
IO_BANK0_GPIO0_CTRL_IRQOVER_BITS
);
}

// Direct overrides for pad controls
void gpio_set_inover(uint gpio, uint value) {
invalid_params_if(GPIO, gpio >= NUM_BANK0_GPIOS);
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10 changes: 10 additions & 0 deletions src/rp2_common/hardware_gpio/include/hardware/gpio.h
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Expand Up @@ -239,6 +239,16 @@ static inline void gpio_disable_pulls(uint gpio) {
gpio_set_pulls(gpio, false, false);
}

/*! \brief Set GPIO IRQ override
* \ingroup hardware_gpio
*
* Optionally invert a GPIO IRQ signal, or drive it high or low
*
* \param gpio GPIO number
* \param value See \ref gpio_override
*/
void gpio_set_irqover(uint gpio, uint value);

/*! \brief Set GPIO output override
* \ingroup hardware_gpio
*
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