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uartps
Vitis Drivers API Documentation
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uartps
Vitis Drivers API Documentation
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Data Structures | |
| struct | XUartPs_Config |
| This typedef contains configuration information for the device. More... | |
| struct | XUartPsFormat |
| Keep track of data format setting of a device. More... | |
| struct | XUartPs |
| The XUartPs driver instance data structure. More... | |
Macros | |
| #define | TIMEOUT_VAL 1000000U |
| Wait for 1 sec in worst case. More... | |
| #define | XUartPs_GetChannelStatus(InstancePtr) Xil_In32(((InstancePtr)->Config.BaseAddress) + (u32)XUARTPS_SR_OFFSET) |
| Get the UART Channel Status Register. More... | |
| #define | XUartPs_GetModeControl(InstancePtr) Xil_In32(((InstancePtr)->Config.BaseAddress) + (u32)XUARTPS_CR_OFFSET) |
| Get the UART Mode Control Register. More... | |
| #define | XUartPs_SetModeControl(InstancePtr, RegisterValue) |
| Set the UART Mode Control Register. More... | |
| #define | XUartPs_EnableUart(InstancePtr) |
| Enable the transmitter and receiver of the UART. More... | |
| #define | XUartPs_DisableUart(InstancePtr) |
| Disable the transmitter and receiver of the UART. More... | |
| #define | XUartPs_IsTransmitEmpty(InstancePtr) |
| Determine if the transmitter FIFO is empty. More... | |
Configuration options | |
| #define | XUARTPS_OPTION_SET_BREAK 0x0080U |
| These constants specify the options that may be set or retrieved with the driver, each is a unique bit mask such that multiple options may be specified. More... | |
| #define | XUARTPS_OPTION_STOP_BREAK 0x0040U |
| Stops break transmission. More... | |
| #define | XUARTPS_OPTION_RESET_TMOUT 0x0020U |
| Reset the receive timeout. More... | |
| #define | XUARTPS_OPTION_RESET_TX 0x0010U |
| Reset the transmitter. More... | |
| #define | XUARTPS_OPTION_RESET_RX 0x0008U |
| Reset the receiver. More... | |
| #define | XUARTPS_OPTION_ASSERT_RTS 0x0004U |
| Assert the RTS bit. More... | |
| #define | XUARTPS_OPTION_ASSERT_DTR 0x0002U |
| Assert the DTR bit. More... | |
| #define | XUARTPS_OPTION_SET_FCM 0x0001U |
| Turn on flow control mode. More... | |
Channel Operational Mode | |
The UART can operate in one of four modes: Normal, Local Loopback, Remote Loopback, or automatic echo. | |
| #define | XUARTPS_OPER_MODE_NORMAL (u8)0x00U |
| Normal Mode. More... | |
| #define | XUARTPS_OPER_MODE_AUTO_ECHO (u8)0x01U |
| Auto Echo Mode. More... | |
| #define | XUARTPS_OPER_MODE_LOCAL_LOOP (u8)0x02U |
| Local Loopback Mode. More... | |
| #define | XUARTPS_OPER_MODE_REMOTE_LOOP (u8)0x03U |
| Remote Loopback Mode. More... | |
Data format values | |
These constants specify the data format that the driver supports. The data format includes the number of data bits, the number of stop bits and parity. | |
| #define | XUARTPS_FORMAT_8_BITS 0U |
| 8 data bits More... | |
| #define | XUARTPS_FORMAT_7_BITS 2U |
| 7 data bits More... | |
| #define | XUARTPS_FORMAT_6_BITS 3U |
| 6 data bits More... | |
| #define | XUARTPS_FORMAT_NO_PARITY 4U |
| No parity. More... | |
| #define | XUARTPS_FORMAT_MARK_PARITY 3U |
| Mark parity. More... | |
| #define | XUARTPS_FORMAT_SPACE_PARITY 2U |
| parity More... | |
| #define | XUARTPS_FORMAT_ODD_PARITY 1U |
| Odd parity. More... | |
| #define | XUARTPS_FORMAT_EVEN_PARITY 0U |
| Even parity. More... | |
| #define | XUARTPS_FORMAT_2_STOP_BIT 2U |
| 2 stop bits More... | |
| #define | XUARTPS_FORMAT_1_5_STOP_BIT 1U |
| 1.5 stop bits More... | |
| #define | XUARTPS_FORMAT_1_STOP_BIT 0U |
| 1 stop bit More... | |
Callback events | |
These constants specify the handler events that an application can handle using its specific handler function. Note that these constants are not bit mask, so only one event can be passed to an application at a time. | |
| #define | XUARTPS_EVENT_RECV_DATA 1U |
| Data receiving done. More... | |
| #define | XUARTPS_EVENT_RECV_TOUT 2U |
| A receive timeout occurred. More... | |
| #define | XUARTPS_EVENT_SENT_DATA 3U |
| Data transmission done. More... | |
| #define | XUARTPS_EVENT_RECV_ERROR 4U |
| A receive error detected. More... | |
| #define | XUARTPS_EVENT_MODEM 5U |
| Modem status changed. More... | |
| #define | XUARTPS_EVENT_PARE_FRAME_BRKE 6U |
| A receive parity, frame, break error detected. More... | |
| #define | XUARTPS_EVENT_RECV_ORERR 7U |
| A receive overrun error detected. More... | |
Typedefs | |
| typedef void(* | XUartPs_Handler )(void *CallBackRef, u32 Event, u32 EventData) |
| This data type defines a handler that an application defines to communicate with interrupt system to retrieve state information about an application. More... | |
Functions | |
| XUartPs_Config * | XUartPs_LookupConfig (u16 DeviceId) |
| Looks up the device configuration based on the unique device ID. More... | |
| s32 | XUartPs_CfgInitialize (XUartPs *InstancePtr, XUartPs_Config *Config, u32 EffectiveAddr) |
| Initializes a specific XUartPs instance such that it is ready to be used. More... | |
| u32 | XUartPs_Send (XUartPs *InstancePtr, u8 *BufferPtr, u32 NumBytes) |
| This functions sends the specified buffer using the device in either polled or interrupt driven mode. More... | |
| u32 | XUartPs_Recv (XUartPs *InstancePtr, u8 *BufferPtr, u32 NumBytes) |
| This function attempts to receive a specified number of bytes of data from the device and store it into the specified buffer. More... | |
| s32 | XUartPs_SetBaudRate (XUartPs *InstancePtr, u32 BaudRate) |
| Sets the baud rate for the device. More... | |
| void | XUartPs_SetOptions (XUartPs *InstancePtr, u16 Options) |
| Sets the options for the specified driver instance. More... | |
| u16 | XUartPs_GetOptions (XUartPs *InstancePtr) |
| Gets the options for the specified driver instance. More... | |
| void | XUartPs_SetFifoThreshold (XUartPs *InstancePtr, u8 TriggerLevel) |
| This functions sets the receive FIFO trigger level. More... | |
| u8 | XUartPs_GetFifoThreshold (XUartPs *InstancePtr) |
| This function gets the receive FIFO trigger level. More... | |
| u16 | XUartPs_GetModemStatus (XUartPs *InstancePtr) |
| This function gets the modem status from the specified UART. More... | |
| u32 | XUartPs_IsSending (XUartPs *InstancePtr) |
| This function determines if the specified UART is sending data. More... | |
| u8 | XUartPs_GetOperMode (XUartPs *InstancePtr) |
| This function gets the operational mode of the UART. More... | |
| void | XUartPs_SetOperMode (XUartPs *InstancePtr, u8 OperationMode) |
| This function sets the operational mode of the UART. More... | |
| u8 | XUartPs_GetFlowDelay (XUartPs *InstancePtr) |
| This function sets the Flow Delay. More... | |
| void | XUartPs_SetFlowDelay (XUartPs *InstancePtr, u8 FlowDelayValue) |
| This function sets the Flow Delay. More... | |
| u8 | XUartPs_GetRecvTimeout (XUartPs *InstancePtr) |
| This function gets the Receive Timeout of the UART. More... | |
| void | XUartPs_SetRecvTimeout (XUartPs *InstancePtr, u8 RecvTimeout) |
| This function sets the Receive Timeout of the UART. More... | |
| s32 | XUartPs_SetDataFormat (XUartPs *InstancePtr, XUartPsFormat *FormatPtr) |
| Sets the data format for the device. More... | |
| void | XUartPs_GetDataFormat (XUartPs *InstancePtr, XUartPsFormat *FormatPtr) |
| Gets the data format for the specified UART. More... | |
| u32 | XUartPs_GetInterruptMask (XUartPs *InstancePtr) |
| This function gets the interrupt mask. More... | |
| void | XUartPs_SetInterruptMask (XUartPs *InstancePtr, u32 Mask) |
| This function sets the interrupt mask. More... | |
| void | XUartPs_InterruptHandler (XUartPs *InstancePtr) |
| This function is the interrupt handler for the driver. More... | |
| void | XUartPs_SetHandler (XUartPs *InstancePtr, XUartPs_Handler FuncPtr, void *CallBackRef) |
| This function sets the handler that will be called when an event (interrupt) occurs that needs application's attention. More... | |
| s32 | XUartPs_SelfTest (XUartPs *InstancePtr) |
| This function runs a self-test on the driver and hardware device. More... | |