mirror of
https://github.com/openharmony/drivers_framework.git
synced 2026-08-28 04:59:54 -04:00
yuanbo
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (c) 2021-2022 Bestechnic (Shanghai) Co., Ltd. All rights reserved.
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*
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* This file is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
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* See the LICENSE file in the root of this repository for complete details.
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*/
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#ifndef __UART_BES_H__
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#define __UART_BES_H__
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#include "uart_if.h"
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#include "uart_core.h"
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#include "hal_uart.h"
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#include "kfifo.h"
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#include "osal_sem.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define UART_DEV_SERVICE_NAME_PREFIX "HDF_PLATFORM_UART%d"
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#define MAX_DEV_NAME_SIZE 32
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struct UartResource {
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uint32_t num; /* UART port num */
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uint32_t baudRate; /* Default baudrate */
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uint32_t wLen; /* Default word length */
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uint32_t parity; /* Default parity */
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uint32_t stopBit; /* Default stop bits */
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bool txDMA;
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bool rxDMA;
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};
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enum UartDeviceState {
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UART_DEVICE_UNINITIALIZED = 0x0u,
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UART_DEVICE_INITIALIZED = 0x1u,
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};
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struct UART_CTX_OBJ {
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uint8_t *buffer;
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bool txDMA;
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bool rxDMA;
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bool isBlock;
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struct kfifo fifo;
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struct OsalSem rxSem;
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struct OsalSem txSem;
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void (*UartDmaRxHandler)(uint32_t xferSize, int dmaError, union HAL_UART_IRQ_T status);
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void (*UartDmaTxHandler)(uint32_t xferSize, int dmaError);
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};
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struct UartDevice {
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struct IDeviceIoService ioService;
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struct UartResource resource;
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struct HAL_UART_CFG_T config;
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uint32_t uartId;
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bool initFlag;
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uint32_t transMode;
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};
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enum {
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UART_READ = 0,
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UART_WRITE
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};
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int32_t UartDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data, struct HdfSBuf *reply);
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#ifdef __cplusplus
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}
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#endif
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#endif
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