| #ifndef __UART_H__ #define __UART_H__ #ifdef __cplusplus extern "C" { #endif #define ETS_UART_INTR_ENABLE() _xt_isr_unmask(1 << ETS_UART_INUM) #define ETS_UART_INTR_DISABLE() _xt_isr_mask(1 << ETS_UART_INUM) #define UART_INTR_MASK 0x1ff #define UART_LINE_INV_MASK (0x3f<<19) typedef enum { UART_WordLength_5b = 0x0, UART_WordLength_6b = 0x1, UART_WordLength_7b = 0x2, UART_WordLength_8b = 0x3 } UART_WordLength; typedef enum { USART_StopBits_1 = 0x1, USART_StopBits_1_5 = 0x2, USART_StopBits_2 = 0x3, } UART_StopBits; typedef enum { UART0 = 0x0, UART1 = 0x1, } UART_Port; typedef enum { USART_Parity_None = 0x2, USART_Parity_Even = 0x0, USART_Parity_Odd = 0x1 } UART_ParityMode; typedef enum { PARITY_DIS = 0x0, PARITY_EN = 0x2 } UartExistParity; typedef enum { BIT_RATE_300 = 300, ...... BIT_RATE_3686400 = 3686400, } UART_BautRate; //you can add any rate you need in this range typedef enum { USART_HardwareFlowControl_None = 0x0, USART_HardwareFlowControl_RTS = 0x1, USART_HardwareFlowControl_CTS = 0x2, USART_HardwareFlowControl_CTS_RTS = 0x3 } UART_HwFlowCtrl; typedef enum { UART_None_Inverse = 0x0, UART_Rxd_Inverse = UART_RXD_INV, UART_CTS_Inverse = UART_CTS_INV, UART_Txd_Inverse = UART_TXD_INV, UART_RTS_Inverse = UART_RTS_INV, } UART_LineLevelInverse; typedef struct { UART_BautRate baud_rate; UART_WordLength data_bits; UART_ParityMode parity; // chip size in byte UART_StopBits stop_bits; UART_HwFlowCtrl flow_ctrl; uint8 UART_RxFlowThresh ; uint32 UART_InverseMask; } UART_ConfigTypeDef; typedef struct { uint32 UART_IntrEnMask; uint8 UART_RX_timeOutIntrThresh; uint8 UART_TX_FifoEmptyIntrThresh; uint8 UART_RX_FifoFullIntrThresh; } UART_IntrConfTypeDef; //======================================= /** defgroup Driver_APIs Driver APIs * @brief Driver APIs */ /** @addtogroup Driver_APIs * @{ */ /** defgroup UART_Driver_APIs UART Driver APIs * @brief UART driver APIs */ /** @addtogroup UART_Driver_APIs * @{ */ /** * @brief Wait uart tx fifo empty, do not use it if tx flow control enabled. * * @param UART_Port uart_no:UART0 or UART1 * */ void UART_WaitTxFifoEmpty(UART_Port uart_no); //do not use if tx flow control enabled /** * @brief Clear uart tx fifo and rx fifo. * * @param UART_Port uart_no : UART0 or UART1 * * @return null */ void UART_ResetFifo(UART_Port uart_no); /** * @brief Clear uart interrupt flags. * * @param UART_Port uart_no : UART0 or UART1 * @param uint32 clr_mask : To clear the interrupt bits * * @return null */ void UART_ClearIntrStatus(UART_Port uart_no, uint32 clr_mask); /** * @brief Enable uart interrupts . * * @param UART_Port uart_no : UART0 or UART1 * @param uint32 ena_mask : To enable the interrupt bits * * @return null */ void UART_SetIntrEna(UART_Port uart_no, uint32 ena_mask); /** * @brief Register an application-specific interrupt handler for Uarts interrupts. * * @param void *fn : interrupt handler for Uart interrupts. * @param void *arg : interrupt handler's arg. * * @return null */ void UART_intr_handler_register(void *fn, void *arg); /** * @brief Config from which serial output printf function. * * @param UART_Port uart_no : UART0 or UART1 * * @return null */ void UART_SetPrintPort(UART_Port uart_no); /** * @brief Config Common parameters of serial ports. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_ConfigTypeDef *pUARTConfig : parameters structure * * @return null */ void UART_ParamConfig(UART_Port uart_no, UART_ConfigTypeDef *pUARTConfig); /** * @brief Config types of uarts. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_IntrConfTypeDef *pUARTIntrConf : parameters structure * * @return null */ void UART_IntrConfig(UART_Port uart_no, UART_IntrConfTypeDef *pUARTIntrConf); /** * @brief Config the length of the uart communication data bits. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_WordLength len : the length of the uart communication data bits * * @return null */ void UART_SetWordLength(UART_Port uart_no, UART_WordLength len); /** * @brief Config the length of the uart communication stop bits. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_StopBits bit_num : the length uart communication stop bits * * @return null */ void UART_SetStopBits(UART_Port uart_no, UART_StopBits bit_num); /** * @brief Configure whether to open the parity. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_ParityMode Parity_mode : the enum of uart parity configuration * * @return null */ void UART_SetParity(UART_Port uart_no, UART_ParityMode Parity_mode) ; /** * @brief Configure the Baud rate. * * @param UART_Port uart_no : UART0 or UART1 * @param uint32 baud_rate : the Baud rate * * @return null */ void UART_SetBaudrate(UART_Port uart_no, uint32 baud_rate); /** * @brief Configure Hardware flow control. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_HwFlowCtrl flow_ctrl : Hardware flow control mode * @param uint8 rx_thresh : threshold of Hardware flow control * * @return null */ void UART_SetFlowCtrl(UART_Port uart_no, UART_HwFlowCtrl flow_ctrl, uint8 rx_thresh); /** * @brief Configure trigging signal of uarts. * * @param UART_Port uart_no : UART0 or UART1 * @param UART_LineLevelInverse inverse_mask : Choose need to flip the IO * * @return null */ void UART_SetLineInverse(UART_Port uart_no, UART_LineLevelInverse inverse_mask) ; /** * @brief An example illustrates how to configure the serial port. * * @param null * * @return null */ void uart_init_new(void); #ifdef __cplusplus } #endif #endif | 
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