diff --git a/include/linux/gpio.h b/include/linux/gpio.h new file mode 100644 index 0000000..8451032 --- /dev/null +++ b/include/linux/gpio.h @@ -0,0 +1,81 @@ +/* + * This header was manually generated from a Linux kernel header linux/gpio.h, + * to make information necessary for compilation to be available. It contains + * only constants, structures, and macros generated from the original header, + * and thus, contains no copyrightable information. + */ +#ifndef _GPIO_H_ +#define _GPIO_H_ + +#include +#include + +struct gpiochip_info { + char name[32]; + char label[32]; + __u32 lines; +}; + +#define GPIOLINE_FLAG_KERNEL (1UL << 0) +#define GPIOLINE_FLAG_IS_OUT (1UL << 1) +#define GPIOLINE_FLAG_ACTIVE_LOW (1UL << 2) +#define GPIOLINE_FLAG_OPEN_DRAIN (1UL << 3) +#define GPIOLINE_FLAG_OPEN_SOURCE (1UL << 4) + +struct gpioline_info { + __u32 line_offset; + __u32 flags; + char name[32]; + char consumer[32]; +}; + +#define GPIOHANDLES_MAX 64 + +#define GPIOHANDLE_REQUEST_INPUT (1UL << 0) +#define GPIOHANDLE_REQUEST_OUTPUT (1UL << 1) +#define GPIOHANDLE_REQUEST_ACTIVE_LOW (1UL << 2) +#define GPIOHANDLE_REQUEST_OPEN_DRAIN (1UL << 3) +#define GPIOHANDLE_REQUEST_OPEN_SOURCE (1UL << 4) + +struct gpiohandle_request { + __u32 lineoffsets[GPIOHANDLES_MAX]; + __u32 flags; + __u8 default_values[GPIOHANDLES_MAX]; + char consumer_label[32]; + __u32 lines; + int fd; +}; + +struct gpiohandle_data { + __u8 values[GPIOHANDLES_MAX]; +}; + +#define GPIOHANDLE_GET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x08, struct gpiohandle_data) +#define GPIOHANDLE_SET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x09, struct gpiohandle_data) + +#define GPIOEVENT_REQUEST_RISING_EDGE (1UL << 0) +#define GPIOEVENT_REQUEST_FALLING_EDGE (1UL << 1) +#define GPIOEVENT_REQUEST_BOTH_EDGES ((1UL << 0) | (1UL << 1)) + +struct gpioevent_request { + __u32 lineoffset; + __u32 handleflags; + __u32 eventflags; + char consumer_label[32]; + int fd; +}; + +#define GPIOEVENT_EVENT_RISING_EDGE 0x01 +#define GPIOEVENT_EVENT_FALLING_EDGE 0x02 + +struct gpioevent_data { + __u64 timestamp; + __u32 id; +}; + +#define GPIO_GET_CHIPINFO_IOCTL _IOR(0xB4, 0x01, struct gpiochip_info) +#define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info) +#define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request) +#define GPIO_GET_LINEEVENT_IOCTL _IOWR(0xB4, 0x04, struct gpioevent_request) + +#endif /* _GPIO_H_ */ diff --git a/src/gpio/gpio.c b/src/gpio/gpio.c index cabfb56..8e69cd2 100644 --- a/src/gpio/gpio.c +++ b/src/gpio/gpio.c @@ -24,7 +24,7 @@ */ #include "gpio.h" #include "mraa_internal.h" -#include "chardev_interface/gpio.h" +#include "linux/gpio.h" #include #include