mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/**
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* @file furi_hal_uart.h
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* @version 1.0
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* @date 2021-11-19
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*
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* UART HAL api interface
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*/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* UART channels
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*/
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typedef enum {
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FuriHalUartIdUSART1,
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FuriHalUartIdLPUART1,
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} FuriHalUartId;
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/**
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* UART events
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*/
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typedef enum {
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UartIrqEventRXNE,
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} UartIrqEvent;
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/**
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* Init UART
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* Configures GPIO to UART function, configures UART hardware, enables UART hardware
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* @param channel UART channel
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* @param baud baudrate
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*/
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void furi_hal_uart_init(FuriHalUartId channel, uint32_t baud);
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/**
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* Deinit UART
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* Configures GPIO to analog, clears callback and callback context, disables UART hardware
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* @param channel UART channel
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*/
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void furi_hal_uart_deinit(FuriHalUartId channel);
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/**
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* Suspend UART operation
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* Disables UART hardware, settings and callbacks are preserved
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* @param channel UART channel
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*/
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void furi_hal_uart_suspend(FuriHalUartId channel);
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/**
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* Resume UART operation
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* Resumes UART hardware from suspended state
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* @param channel UART channel
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*/
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void furi_hal_uart_resume(FuriHalUartId channel);
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/**
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* Changes UART baudrate
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* @param channel UART channel
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* @param baud baudrate
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*/
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void furi_hal_uart_set_br(FuriHalUartId channel, uint32_t baud);
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/**
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* Transmits data
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* @param channel UART channel
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* @param buffer data
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* @param buffer_size data size (in bytes)
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*/
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void furi_hal_uart_tx(FuriHalUartId channel, uint8_t* buffer, size_t buffer_size);
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/**
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* Sets UART event callback
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* @param channel UART channel
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* @param callback callback pointer
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* @param context callback context
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*/
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void furi_hal_uart_set_irq_cb(
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FuriHalUartId channel,
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void (*callback)(UartIrqEvent event, uint8_t data, void* context),
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void* context);
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#ifdef __cplusplus
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}
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#endif
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