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Add gpio_set_function_mask function #1462

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merged 3 commits into from
Jul 24, 2024
Merged

Add gpio_set_function_mask function #1462

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64ac686
feat: add function definition
inventor02 Jul 23, 2023
4621a9f
feat: add gpio_set_function_mask implementation
inventor02 Jul 23, 2023
53b1073
Fix line ending
peterharperuk Jul 22, 2024
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8 changes: 8 additions & 0 deletions src/rp2_common/hardware_gpio/gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -262,3 +262,11 @@ void gpio_init_mask(uint gpio_mask) {
}
}

void gpio_set_function_mask(uint gpio_mask, enum gpio_function fn) {
for (uint i = 0; i < NUM_BANK0_GPIOS; i++) {
if (gpio_mask & 1) {
gpio_set_function(i, fn);
}
gpio_mask >>= 1;
}
}
9 changes: 9 additions & 0 deletions src/rp2_common/hardware_gpio/include/hardware/gpio.h
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Expand Up @@ -185,6 +185,15 @@ static inline void check_gpio_param(__unused uint gpio) {
*/
void gpio_set_function(uint gpio, enum gpio_function fn);

/*! \brief Select the function for multiple GPIOs
* \ingroup hardware_gpio
*
* \sa gpio_set_function
* \param gpio_mask Mask with 1 bit per GPIO number to set the function for
* \param fn Which GPIO function select to use from list \ref gpio_function
*/
void gpio_set_function_mask(uint gpio_mask, enum gpio_function fn);

/*! \brief Determine current GPIO function
* \ingroup hardware_gpio
*
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