52 lines
979 B
C
52 lines
979 B
C
/*
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* Copyright (c) 2020-2022, CQ 100ask Development Team
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*
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* Change Logs:
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* Date Author Notes
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* 2022-05-29 Alen first version
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*/
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#ifndef __DRV_USART_H__
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#define __DRV_USART_H__
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#include <rtthread.h>
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#include "rtdevice.h"
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#include <rthw.h>
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#include <drv_common.h>
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int rt_hw_uart_init(void);
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#define DMA_INSTANCE_TYPE MA_Channel_TypeDef
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#define UART_INSTANCE_CLEAR_FUNCTION __HAL_UART_CLEAR_FLAG
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/* mm32 config class */
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struct mm32_uart_config
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{
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const char *name;
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UART_Type *Instance;
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IRQn_Type irq_type;
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struct dma_config *dma_rx;
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struct dma_config *dma_tx;
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};
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/* mm32 uart dirver class */
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struct mm32_uart
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{
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UART_Init_Type handle;
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struct mm32_uart_config *config;
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#ifdef RT_SERIAL_USING_DMA
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struct
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{
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DMA_Type handle;
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rt_size_t last_index;
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} dma_rx;
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#endif
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rt_uint16_t uart_dma_flag;
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struct rt_serial_device serial;
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};
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#endif /* __DRV_USART_H__ */
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