/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-06-01 KyleChan first version */ #ifndef __DRV_USART_V2_H__ #define __DRV_USART_V2_H__ #include #include #include #include #include #include int rt_hw_usart_init(void); #if defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32F0) \ || defined(SOC_SERIES_STM32L0) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32H7) \ || defined(SOC_SERIES_STM32G4) #define UART_SET_TDR(__HANDLE__, __DATA__) ((__HANDLE__)->Instance->TDR = (__DATA__)) #define UART_GET_RDR(__HANDLE__, MASK) ((__HANDLE__)->Instance->RDR & MASK) #else #define UART_SET_TDR(__HANDLE__, __DATA__) ((__HANDLE__)->Instance->DR = (__DATA__)) #define UART_GET_RDR(__HANDLE__, MASK) ((__HANDLE__)->Instance->DR & MASK) #endif #if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F2) \ || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32L0) || defined(SOC_SERIES_STM32G0) \ || defined(SOC_SERIES_STM32G4) || defined(SOC_SERIES_STM32WB) #define UART_INSTANCE_CLEAR_FUNCTION __HAL_UART_CLEAR_FLAG #elif defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32H7) \ || defined(SOC_SERIES_STM32MP1) #define UART_INSTANCE_CLEAR_FUNCTION __HAL_UART_CLEAR_IT #endif #define UART_RX_DMA_IT_IDLE_FLAG 0x00 #define UART_RX_DMA_IT_HT_FLAG 0x01 #define UART_RX_DMA_IT_TC_FLAG 0x02 /* stm32 config class */ struct stm32_uart_config { const char *name; USART_TypeDef *Instance; IRQn_Type irq_type; #ifdef RT_SERIAL_USING_DMA struct dma_config *dma_rx; struct dma_config *dma_tx; #endif }; /* stm32 uart dirver class */ struct stm32_uart { UART_HandleTypeDef handle; struct stm32_uart_config *config; #ifdef RT_SERIAL_USING_DMA struct { DMA_HandleTypeDef handle; rt_size_t remaining_cnt; } dma_rx; struct { DMA_HandleTypeDef handle; } dma_tx; #endif rt_uint16_t uart_dma_flag; struct rt_serial_device serial; }; #endif /* __DRV_USART_H__ */