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51 lines
1016 B
C
51 lines
1016 B
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-08-27 liYony the 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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/* Do not use GPIO_Remap*/
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#define GPIO_Remap_NONE 0
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/* ch32 hardware config class */
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struct ch32_uart_hw_config
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{
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rt_uint32_t uart_periph_clock;
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rt_uint32_t gpio_periph_clock;
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GPIO_TypeDef *tx_gpio_port;
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rt_uint16_t tx_gpio_pin;
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GPIO_TypeDef *rx_gpio_port;
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rt_uint16_t rx_gpio_pin;
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rt_uint32_t remap;
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};
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/* ch32 config class */
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struct ch32_uart_config
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{
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const char *name;
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USART_TypeDef *Instance;
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IRQn_Type irq_type;
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};
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/* ch32 uart dirver class */
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struct ch32_uart
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{
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struct ch32_uart_hw_config *hw_config;
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struct ch32_uart_config *config;
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USART_InitTypeDef Init;
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struct rt_serial_device serial;
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};
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int rt_hw_usart_init(void);
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#endif
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