unleashed-firmware/targets/furi_hal_include/furi_hal_i2c.h
Astra ecab4d53d2
[FL-870] Auto-generated firmware documentation take two (#2944)
* Add doxygen and doxygen-awesome css, cleanup docs files
* Ignore more libraries and remove leftover local variables
* Create an actual intro page
* .md files linting
* Add doxygen action
* Fix Doxygen path
* Fix doxyfile path
* Try to upload
* Change docs branch
* Add submudules checkout
* Disable doxygen on PR
* Mention the firmware docs in the readme
* More dev docs mentions in the readme
* Fix runner group, add tags
* Test dev in PR
* Disable running on PR
* Fix a typo in the doxyfile
* Try upload to S3
* Fix local path
* Fix S3 ACL
* Add delete flag, unifying dev and tags
* Update ignored directories
* More ignored directories
* Even more ignored directories
* Fix submodule
* Change S3 uploader
* Change S3 uploader version
* Fix aws sync flags
* Fix ACL
* Disable ACL
* Improve ignores, add WiFi devboard docs
* TEMP: generate dev docs
* TEMP: generate 0.89.0 docs
* Disabling PR trigger
* Enable submodules and test build
* Enable test build
* Disable test build
* Change docs directory structure
* Fix accidentally committed submodule
* Fix submodules
* Update links to the developer documentation
* Markdown linting
* Update workflow, enable test build
* Fix doxygen dir path
* Update Doxyfile-awesome.cfg
* Change paths
* Fix upload docs path
* Disable pull_request debug trigger
* Disable tags building
* Remove autolinks and namespaces
* Establish basic documentation structure
* Add missing changes
* Improve stylesheet, move some files
* Improve examples
* Improve the main page
* Improve application dev docs
* Improve system programming docs
* Improve development tools docs
* Improve other docs
* Improve application examples
* Fix formatting
* Fix PVS-studio warnings
* Improve visuals
* Fix doxygen syntax warnings
* Fix broken links
* Update doxygen action

Co-authored-by: DrunkBatya <drunkbatya.js@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: Georgii Surkov <georgii.surkov@outlook.com>
Co-authored-by: Georgii Surkov <37121527+gsurkov@users.noreply.github.com>
2024-03-06 15:25:21 +09:00

287 lines
8.3 KiB
C

/**
* @file furi_hal_i2c.h I2C HAL API
*/
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <furi_hal_i2c_config.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Transaction beginning signal */
typedef enum {
/*!Begin the transaction by sending a START condition followed by the
* address */
FuriHalI2cBeginStart,
/*!Begin the transaction by sending a RESTART condition followed by the
* address
* @note Must follow a transaction ended with
* FuriHalI2cEndAwaitRestart */
FuriHalI2cBeginRestart,
/*!Continue the previous transaction with new data
* @note Must follow a transaction ended with FuriHalI2cEndPause and
* be of the same type (RX/TX) */
FuriHalI2cBeginResume,
} FuriHalI2cBegin;
/** Transaction end signal */
typedef enum {
/*!End the transaction by sending a STOP condition */
FuriHalI2cEndStop,
/*!End the transaction by clock stretching
* @note Must be followed by a transaction using
* FuriHalI2cBeginRestart */
FuriHalI2cEndAwaitRestart,
/*!Pauses the transaction by clock stretching
* @note Must be followed by a transaction using FuriHalI2cBeginResume */
FuriHalI2cEndPause,
} FuriHalI2cEnd;
/** Early Init I2C */
void furi_hal_i2c_init_early();
/** Early DeInit I2C */
void furi_hal_i2c_deinit_early();
/** Init I2C */
void furi_hal_i2c_init();
/** Acquire I2C bus handle
*
* @param handle Pointer to FuriHalI2cBusHandle instance
*/
void furi_hal_i2c_acquire(FuriHalI2cBusHandle* handle);
/** Release I2C bus handle
*
* @param handle Pointer to FuriHalI2cBusHandle instance acquired in
* `furi_hal_i2c_acquire`
*/
void furi_hal_i2c_release(FuriHalI2cBusHandle* handle);
/** Perform I2C TX transfer
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param data Pointer to data buffer
* @param size Size of data buffer
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_tx(
FuriHalI2cBusHandle* handle,
uint8_t address,
const uint8_t* data,
size_t size,
uint32_t timeout);
/**
* Perform I2C TX transfer, with additional settings.
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param ten_bit Whether the address is 10 bits wide
* @param data Pointer to data buffer
* @param size Size of data buffer
* @param begin How to begin the transaction
* @param end How to end the transaction
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_tx_ext(
FuriHalI2cBusHandle* handle,
uint16_t address,
bool ten_bit,
const uint8_t* data,
size_t size,
FuriHalI2cBegin begin,
FuriHalI2cEnd end,
uint32_t timeout);
/** Perform I2C RX transfer
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param data Pointer to data buffer
* @param size Size of data buffer
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_rx(
FuriHalI2cBusHandle* handle,
uint8_t address,
uint8_t* data,
size_t size,
uint32_t timeout);
/** Perform I2C RX transfer, with additional settings.
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param ten_bit Whether the address is 10 bits wide
* @param data Pointer to data buffer
* @param size Size of data buffer
* @param begin How to begin the transaction
* @param end How to end the transaction
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_rx_ext(
FuriHalI2cBusHandle* handle,
uint16_t address,
bool ten_bit,
uint8_t* data,
size_t size,
FuriHalI2cBegin begin,
FuriHalI2cEnd end,
uint32_t timeout);
/** Perform I2C TX and RX transfers
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param address I2C slave address
* @param tx_data Pointer to TX data buffer
* @param tx_size Size of TX data buffer
* @param rx_data Pointer to RX data buffer
* @param rx_size Size of RX data buffer
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_trx(
FuriHalI2cBusHandle* handle,
uint8_t address,
const uint8_t* tx_data,
size_t tx_size,
uint8_t* rx_data,
size_t rx_size,
uint32_t timeout);
/** Check if I2C device presents on bus
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param timeout Timeout in milliseconds
*
* @return true if device present and is ready, false otherwise
*/
bool furi_hal_i2c_is_device_ready(FuriHalI2cBusHandle* handle, uint8_t i2c_addr, uint32_t timeout);
/** Perform I2C device register read (8-bit)
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param reg_addr Register address
* @param data Pointer to register value
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_read_reg_8(
FuriHalI2cBusHandle* handle,
uint8_t i2c_addr,
uint8_t reg_addr,
uint8_t* data,
uint32_t timeout);
/** Perform I2C device register read (16-bit)
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param reg_addr Register address
* @param data Pointer to register value
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_read_reg_16(
FuriHalI2cBusHandle* handle,
uint8_t i2c_addr,
uint8_t reg_addr,
uint16_t* data,
uint32_t timeout);
/** Perform I2C device memory read
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param mem_addr Memory start address
* @param data Pointer to data buffer
* @param len Size of data buffer
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_read_mem(
FuriHalI2cBusHandle* handle,
uint8_t i2c_addr,
uint8_t mem_addr,
uint8_t* data,
size_t len,
uint32_t timeout);
/** Perform I2C device register write (8-bit)
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param reg_addr Register address
* @param data Register value
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_write_reg_8(
FuriHalI2cBusHandle* handle,
uint8_t i2c_addr,
uint8_t reg_addr,
uint8_t data,
uint32_t timeout);
/** Perform I2C device register write (16-bit)
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param reg_addr Register address
* @param data Register value
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_write_reg_16(
FuriHalI2cBusHandle* handle,
uint8_t i2c_addr,
uint8_t reg_addr,
uint16_t data,
uint32_t timeout);
/** Perform I2C device memory
*
* @param handle Pointer to FuriHalI2cBusHandle instance
* @param i2c_addr I2C slave address
* @param mem_addr Memory start address
* @param data Pointer to data buffer
* @param len Size of data buffer
* @param timeout Timeout in milliseconds
*
* @return true on successful transfer, false otherwise
*/
bool furi_hal_i2c_write_mem(
FuriHalI2cBusHandle* handle,
uint8_t i2c_addr,
uint8_t mem_addr,
const uint8_t* data,
size_t len,
uint32_t timeout);
#ifdef __cplusplus
}
#endif