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- enum _uart_status
- {
- kStatus_UART_TxBusy = MAKE_STATUS(kStatusGroup_UART, 0),
- kStatus_UART_RxBusy = MAKE_STATUS(kStatusGroup_UART, 1),
- kStatus_UART_TxIdle = MAKE_STATUS(kStatusGroup_UART, 2),
- kStatus_UART_RxIdle = MAKE_STATUS(kStatusGroup_UART, 3),
- kStatus_UART_TxWatermarkTooLarge = MAKE_STATUS(kStatusGroup_UART, 4),
- kStatus_UART_RxWatermarkTooLarge = MAKE_STATUS(kStatusGroup_UART, 5),
- kStatus_UART_FlagCannotClearManually =
- MAKE_STATUS(kStatusGroup_UART, 6),
- kStatus_UART_Error = MAKE_STATUS(kStatusGroup_UART, 7),
- kStatus_UART_RxRingBufferOverrun = MAKE_STATUS(kStatusGroup_UART, 8),
- kStatus_UART_RxHardwareOverrun = MAKE_STATUS(kStatusGroup_UART, 9),
- kStatus_UART_NoiseError = MAKE_STATUS(kStatusGroup_UART, 10),
- kStatus_UART_FramingError = MAKE_STATUS(kStatusGroup_UART, 11),
- kStatus_UART_ParityError = MAKE_STATUS(kStatusGroup_UART, 12),
- kStatus_UART_BaudrateNotSupport =
- MAKE_STATUS(kStatusGroup_UART, 13),
- kStatus_UART_IdleLineDetected = MAKE_STATUS(kStatusGroup_UART, 14),
- };
- typedef enum _uart_parity_mode
- {
- kUART_ParityDisabled = 0x0U,
- kUART_ParityEven = 0x2U,
- kUART_ParityOdd = 0x3U,
- } uart_parity_mode_t;
- typedef enum _uart_stop_bit_count
- {
- kUART_OneStopBit = 0U,
- kUART_TwoStopBit = 1U,
- } uart_stop_bit_count_t;
- typedef enum _uart_idle_type_select
- {
- kUART_IdleTypeStartBit = 0U,
- kUART_IdleTypeStopBit = 1U,
- } uart_idle_type_select_t;
- enum _uart_interrupt_enable
- {
- kUART_LinBreakInterruptEnable = (UART_BDH_LBKDIE_MASK),
- kUART_RxActiveEdgeInterruptEnable = (UART_BDH_RXEDGIE_MASK),
- kUART_TxDataRegEmptyInterruptEnable = (UART_C2_TIE_MASK << 8),
- kUART_TransmissionCompleteInterruptEnable = (UART_C2_TCIE_MASK << 8),
- kUART_RxDataRegFullInterruptEnable = (UART_C2_RIE_MASK << 8),
- kUART_IdleLineInterruptEnable = (UART_C2_ILIE_MASK << 8),
- kUART_RxOverrunInterruptEnable = (UART_C3_ORIE_MASK << 16),
- kUART_NoiseErrorInterruptEnable = (UART_C3_NEIE_MASK << 16),
- kUART_FramingErrorInterruptEnable = (UART_C3_FEIE_MASK << 16),
- kUART_ParityErrorInterruptEnable = (UART_C3_PEIE_MASK << 16),
- kUART_RxFifoOverflowInterruptEnable = (UART_CFIFO_RXOFE_MASK << 24),
- kUART_TxFifoOverflowInterruptEnable = (UART_CFIFO_TXOFE_MASK << 24),
- kUART_RxFifoUnderflowInterruptEnable = (UART_CFIFO_RXUFE_MASK << 24),
- kUART_AllInterruptsEnable =
- kUART_LinBreakInterruptEnable |
- kUART_RxActiveEdgeInterruptEnable | kUART_TxDataRegEmptyInterruptEnable |
- kUART_TransmissionCompleteInterruptEnable | kUART_RxDataRegFullInterruptEnable | kUART_IdleLineInterruptEnable |
- kUART_RxOverrunInterruptEnable | kUART_NoiseErrorInterruptEnable | kUART_FramingErrorInterruptEnable |
- kUART_ParityErrorInterruptEnable
- |
- kUART_RxFifoOverflowInterruptEnable | kUART_TxFifoOverflowInterruptEnable | kUART_RxFifoUnderflowInterruptEnable
- ,
- };
- enum _uart_flags
- {
- kUART_TxDataRegEmptyFlag = (UART_S1_TDRE_MASK),
- kUART_TransmissionCompleteFlag = (UART_S1_TC_MASK),
- kUART_RxDataRegFullFlag = (UART_S1_RDRF_MASK),
- kUART_IdleLineFlag = (UART_S1_IDLE_MASK),
- kUART_RxOverrunFlag = (UART_S1_OR_MASK),
- kUART_NoiseErrorFlag = (UART_S1_NF_MASK),
- kUART_FramingErrorFlag = (UART_S1_FE_MASK),
- kUART_ParityErrorFlag = (UART_S1_PF_MASK),
- kUART_LinBreakFlag =
- (UART_S2_LBKDIF_MASK
- << 8),
- kUART_RxActiveEdgeFlag =
- (UART_S2_RXEDGIF_MASK << 8),
- kUART_RxActiveFlag =
- (UART_S2_RAF_MASK << 8),
- kUART_NoiseErrorInRxDataRegFlag = (UART_ED_NOISY_MASK << 16),
- kUART_ParityErrorInRxDataRegFlag = (UART_ED_PARITYE_MASK << 16),
- kUART_TxFifoEmptyFlag = (UART_SFIFO_TXEMPT_MASK << 24),
- kUART_RxFifoEmptyFlag = (UART_SFIFO_RXEMPT_MASK << 24),
- kUART_TxFifoOverflowFlag = (UART_SFIFO_TXOF_MASK << 24),
- kUART_RxFifoOverflowFlag = (UART_SFIFO_RXOF_MASK << 24),
- kUART_RxFifoUnderflowFlag = (UART_SFIFO_RXUF_MASK << 24),
- };
- typedef struct _uart_config
- {
- uint32_t baudRate_Bps;
- uart_parity_mode_t parityMode;
- uart_stop_bit_count_t stopBitCount;
- uint8_t txFifoWatermark;
- uint8_t rxFifoWatermark;
- bool enableRxRTS;
- bool enableTxCTS;
- uart_idle_type_select_t idleType;
- bool enableTx;
- bool enableRx;
- } uart_config_t;
- typedef struct _uart_transfer
- {
- uint8_t *data;
- size_t dataSize;
- } uart_transfer_t;
- typedef struct _uart_handle uart_handle_t;
- typedef void (*uart_transfer_callback_t)(UART_Type *base, uart_handle_t *handle, status_t status, void *userData);
- struct _uart_handle
- {
- uint8_t *volatile txData;
- volatile size_t txDataSize;
- size_t txDataSizeAll;
- uint8_t *volatile rxData;
- volatile size_t rxDataSize;
- size_t rxDataSizeAll;
- uint8_t *rxRingBuffer;
- size_t rxRingBufferSize;
- volatile uint16_t rxRingBufferHead;
- volatile uint16_t rxRingBufferTail;
- uart_transfer_callback_t callback;
- void *userData;
- volatile uint8_t txState;
- volatile uint8_t rxState;
- };
- extern "C" {
- status_t UART_Init(UART_Type *base, const uart_config_t *config, uint32_t srcClock_Hz);
- void UART_Deinit(UART_Type *base);
- void UART_GetDefaultConfig(uart_config_t *config);
- status_t UART_SetBaudRate(UART_Type *base, uint32_t baudRate_Bps, uint32_t srcClock_Hz);
- uint32_t UART_GetStatusFlags(UART_Type *base);
- status_t UART_ClearStatusFlags(UART_Type *base, uint32_t mask);
- void UART_EnableInterrupts(UART_Type *base, uint32_t mask);
- void UART_DisableInterrupts(UART_Type *base, uint32_t mask);
- uint32_t UART_GetEnabledInterrupts(UART_Type *base);
- static inline uint32_t UART_GetDataRegisterAddress(UART_Type *base)
- {
- return (uint32_t) & (base->D);
- }
- static inline void UART_EnableTxDMA(UART_Type *base, bool enable)
- {
- if (enable)
- {
- base->C4 |= UART_C4_TDMAS_MASK;
- base->C5 |= UART_C5_TDMAS_MASK;
- base->C2 |= UART_C2_TIE_MASK;
- }
- else
- {
- base->C4 &= ~UART_C4_TDMAS_MASK;
- base->C5 &= ~UART_C5_TDMAS_MASK;
- base->C2 &= ~UART_C2_TIE_MASK;
- }
- }
- static inline void UART_EnableRxDMA(UART_Type *base, bool enable)
- {
- if (enable)
- {
- base->C4 |= UART_C4_RDMAS_MASK;
- base->C5 |= UART_C5_RDMAS_MASK;
- base->C2 |= UART_C2_RIE_MASK;
- }
- else
- {
- base->C4 &= ~UART_C4_RDMAS_MASK;
- base->C5 &= ~UART_C5_RDMAS_MASK;
- base->C2 &= ~UART_C2_RIE_MASK;
- }
- }
- static inline void UART_EnableTx(UART_Type *base, bool enable)
- {
- if (enable)
- {
- base->C2 |= UART_C2_TE_MASK;
- }
- else
- {
- base->C2 &= ~UART_C2_TE_MASK;
- }
- }
- static inline void UART_EnableRx(UART_Type *base, bool enable)
- {
- if (enable)
- {
- base->C2 |= UART_C2_RE_MASK;
- }
- else
- {
- base->C2 &= ~UART_C2_RE_MASK;
- }
- }
- static inline void UART_WriteByte(UART_Type *base, uint8_t data)
- {
- base->D = data;
- }
- static inline uint8_t UART_ReadByte(UART_Type *base)
- {
- return base->D;
- }
- void UART_WriteBlocking(UART_Type *base, const uint8_t *data, size_t length);
- status_t UART_ReadBlocking(UART_Type *base, uint8_t *data, size_t length);
- void UART_TransferCreateHandle(UART_Type *base,
- uart_handle_t *handle,
- uart_transfer_callback_t callback,
- void *userData);
- void UART_TransferStartRingBuffer(UART_Type *base, uart_handle_t *handle, uint8_t *ringBuffer, size_t ringBufferSize);
- void UART_TransferStopRingBuffer(UART_Type *base, uart_handle_t *handle);
- size_t UART_TransferGetRxRingBufferLength(uart_handle_t *handle);
- status_t UART_TransferSendNonBlocking(UART_Type *base, uart_handle_t *handle, uart_transfer_t *xfer);
- void UART_TransferAbortSend(UART_Type *base, uart_handle_t *handle);
- status_t UART_TransferGetSendCount(UART_Type *base, uart_handle_t *handle, uint32_t *count);
- status_t UART_TransferReceiveNonBlocking(UART_Type *base,
- uart_handle_t *handle,
- uart_transfer_t *xfer,
- size_t *receivedBytes);
- void UART_TransferAbortReceive(UART_Type *base, uart_handle_t *handle);
- status_t UART_TransferGetReceiveCount(UART_Type *base, uart_handle_t *handle, uint32_t *count);
- void UART_TransferHandleIRQ(UART_Type *base, uart_handle_t *handle);
- void UART_TransferHandleErrorIRQ(UART_Type *base, uart_handle_t *handle);
- }
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