diff options
| author | Lucio Tarantino <lucio.tarantino@gmail.com> | 2020-06-06 18:47:11 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-06 12:47:11 -0400 |
| commit | b7699d374ab17e6054d0d83a9deb7be9e70dcdc8 (patch) | |
| tree | c5f27d9402cdaf124814ab71891c70e6cd730c8b /src/linux/internal.h | |
| parent | 7912c39f9ed1601d3fcd230d3216ee8f1750c31a (diff) | |
| download | kutter-b7699d374ab17e6054d0d83a9deb7be9e70dcdc8.tar.gz kutter-b7699d374ab17e6054d0d83a9deb7be9e70dcdc8.tar.xz kutter-b7699d374ab17e6054d0d83a9deb7be9e70dcdc8.zip | |
linux: Ability to use multiple GPIO chips (#2935)
Signed-off-by: Lucio Tarantino <lucio.tarantino@gmail.com>
Diffstat (limited to 'src/linux/internal.h')
| -rw-r--r-- | src/linux/internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/linux/internal.h b/src/linux/internal.h index 592c4588..ac4f3f13 100644 --- a/src/linux/internal.h +++ b/src/linux/internal.h @@ -5,6 +5,12 @@ #include <time.h> // struct timespec #include "autoconf.h" // CONFIG_CLOCK_FREQ +#define MAX_GPIO_LINES 256 +#define GPIO(PORT, NUM) ((PORT) * MAX_GPIO_LINES + (NUM)) +#define GPIO2PORT(PIN) ((PIN) / MAX_GPIO_LINES) +#define GPIO2PIN(PIN) ((PIN) % MAX_GPIO_LINES) + + #define NSECS 1000000000 #define NSECS_PER_TICK (NSECS / CONFIG_CLOCK_FREQ) |