mirror of
https://github.com/ByteWelder/Tactility.git
synced 2026-10-17 02:45:05 +00:00
bdb50505e7
USB Audio Class (UAC) output Audio codec re-binding Keyboard / Bluetooth HID HID Consumer Control (media keys) Symbol exports Other fixes IMU-based screen auto-rotate See PR for details: https://github.com/TactilityProject/Tactility/pull/655
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <tactility/device.h>
|
|
#include <stdint.h>
|
|
|
|
#define GPIO_FLAGS_MASK 0xff
|
|
|
|
#define GPIO_PIN_NONE -1
|
|
|
|
#define GPIO_PIN_SPEC_NONE ((struct GpioPinSpec) { NULL, 0, GPIO_FLAG_NONE })
|
|
|
|
#define GPIO_FLAG_NONE 0
|
|
#define GPIO_FLAG_ACTIVE_HIGH (0 << 0)
|
|
#define GPIO_FLAG_ACTIVE_LOW (1 << 0)
|
|
#define GPIO_FLAG_DIRECTION_INPUT (1 << 1)
|
|
#define GPIO_FLAG_DIRECTION_OUTPUT (1 << 2)
|
|
#define GPIO_FLAG_DIRECTION_INPUT_OUTPUT (GPIO_FLAG_DIRECTION_INPUT | GPIO_FLAG_DIRECTION_OUTPUT)
|
|
#define GPIO_FLAG_PULL_UP (1 << 3)
|
|
#define GPIO_FLAG_PULL_DOWN (1 << 4)
|
|
#define GPIO_FLAG_INTERRUPT_BITMASK (0b111 << 5) // 3 bits to hold the values [0, 5]
|
|
#define GPIO_FLAG_INTERRUPT_FROM_OPTIONS(options) (gpio_int_type_t)((options & GPIO_FLAG_INTERRUPT_BITMASK) >> 5)
|
|
#define GPIO_FLAG_INTERRUPT_TO_OPTIONS(options, interrupt) (options | (interrupt << 5))
|
|
#define GPIO_FLAG_HIGH_IMPEDANCE (1 << 8)
|
|
|
|
typedef enum {
|
|
GPIO_INTERRUPT_DISABLE = 0,
|
|
GPIO_INTERRUPT_POS_EDGE = 1,
|
|
GPIO_INTERRUPT_NEG_EDGE = 2,
|
|
GPIO_INTERRUPT_ANY_EDGE = 3,
|
|
GPIO_INTERRUPT_LOW_LEVEL = 4,
|
|
GPIO_INTERRUPT_HIGH_LEVEL = 5,
|
|
GPIO_MAX,
|
|
} GpioInterruptType;
|
|
|
|
enum GpioOwnerType {
|
|
/** @brief Pin is unclaimed/free */
|
|
GPIO_OWNER_NONE,
|
|
/** @brief Pin is owned by a hog */
|
|
GPIO_OWNER_HOG,
|
|
/** @brief Pin is claimed by a regular consumer */
|
|
GPIO_OWNER_GPIO,
|
|
/** @brief Pin is owned by SPI. This is a special case because of CS pin transfer from hog to SPI controller. */
|
|
GPIO_OWNER_SPI,
|
|
/**
|
|
* @brief Pin is claimed by a native ESP-IDF peripheral bus (I2C, SPI, I2S, UART, SDMMC, SDSPI, ...)
|
|
* that configures and reserves the pin itself via its own driver calls.
|
|
* gpio_descriptor_acquire() skips its own pin configuration for this owner, since applying it
|
|
* first would make the peripheral's own reservation look like a conflict with itself.
|
|
*/
|
|
GPIO_OWNER_PERIPHERAL
|
|
};
|
|
|
|
/** The index of a GPIO pin on a GPIO Controller */
|
|
typedef uint8_t gpio_pin_t;
|
|
|
|
/** Specifies the configuration flags for a GPIO pin (or set of pins) */
|
|
typedef uint16_t gpio_flags_t;
|
|
|
|
/**
|
|
* Specifies a pin and its properties for a specific GPIO controller.
|
|
* Used by the devicetree, drivers and application code to refer to GPIO pins and acquire them via the gpio_controller API.
|
|
*/
|
|
struct GpioPinSpec {
|
|
/** GPIO device controlling the pin */
|
|
struct Device* gpio_controller;
|
|
/** The pin's number on the device */
|
|
gpio_pin_t pin;
|
|
/** The pin's configuration flags as specified in devicetree */
|
|
gpio_flags_t flags;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|