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| author | Josh Rahm <joshuarahm@gmail.com> | 2020-12-05 01:53:33 -0700 |
|---|---|---|
| committer | Josh Rahm <joshuarahm@gmail.com> | 2020-12-05 01:53:33 -0700 |
| commit | de81911ef4c15a9518acf32f61ad2d7d0e2f156f (patch) | |
| tree | 4ca96493f9b07cb2e63c7d0c4abe49d321ea40d8 /src/kern/gpio | |
| parent | 04da2a442392c5bf3dcf4ca4611f42af7b35e596 (diff) | |
| download | stm32l4-de81911ef4c15a9518acf32f61ad2d7d0e2f156f.tar.gz stm32l4-de81911ef4c15a9518acf32f61ad2d7d0e2f156f.tar.bz2 stm32l4-de81911ef4c15a9518acf32f61ad2d7d0e2f156f.zip | |
Got a very basic external interrupt to work.
Diffstat (limited to 'src/kern/gpio')
| -rw-r--r-- | src/kern/gpio/gpio_manager.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/kern/gpio/gpio_manager.c b/src/kern/gpio/gpio_manager.c index 749ae79..ea720e9 100644 --- a/src/kern/gpio/gpio_manager.c +++ b/src/kern/gpio/gpio_manager.c @@ -388,3 +388,12 @@ void set_gpio_pin_low(gpio_reserved_pin_t pin) regset(portcfg->od_r, (1 << off), 0); } + +bool get_gpio_pin_input_state(gpio_reserved_pin_t pin) +{ + int off; + gpio_port_config_t* portcfg; + get_gpio_pin_port_off(pin.v_, &portcfg, &off); + + return !!regget(portcfg->id_r, (1 << off)); +} |