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- #ifndef NRF_UART_H__
- #define NRF_UART_H__
- #include <nrfx.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define NRF_UART_PSEL_DISCONNECTED 0xFFFFFFFF
- typedef enum
- {
- NRF_UART_TASK_STARTRX = offsetof(NRF_UART_Type, TASKS_STARTRX),
- NRF_UART_TASK_STOPRX = offsetof(NRF_UART_Type, TASKS_STOPRX),
- NRF_UART_TASK_STARTTX = offsetof(NRF_UART_Type, TASKS_STARTTX),
- NRF_UART_TASK_STOPTX = offsetof(NRF_UART_Type, TASKS_STOPTX),
- NRF_UART_TASK_SUSPEND = offsetof(NRF_UART_Type, TASKS_SUSPEND),
- } nrf_uart_task_t;
- typedef enum
- {
- NRF_UART_EVENT_CTS = offsetof(NRF_UART_Type, EVENTS_CTS),
- NRF_UART_EVENT_NCTS = offsetof(NRF_UART_Type, EVENTS_NCTS),
- NRF_UART_EVENT_RXDRDY = offsetof(NRF_UART_Type, EVENTS_RXDRDY),
- NRF_UART_EVENT_TXDRDY = offsetof(NRF_UART_Type, EVENTS_TXDRDY),
- NRF_UART_EVENT_ERROR = offsetof(NRF_UART_Type, EVENTS_ERROR),
- NRF_UART_EVENT_RXTO = offsetof(NRF_UART_Type, EVENTS_RXTO)
- } nrf_uart_event_t;
- typedef enum
- {
- NRF_UART_INT_MASK_CTS = UART_INTENCLR_CTS_Msk,
- NRF_UART_INT_MASK_NCTS = UART_INTENCLR_NCTS_Msk,
- NRF_UART_INT_MASK_RXDRDY = UART_INTENCLR_RXDRDY_Msk,
- NRF_UART_INT_MASK_TXDRDY = UART_INTENCLR_TXDRDY_Msk,
- NRF_UART_INT_MASK_ERROR = UART_INTENCLR_ERROR_Msk,
- NRF_UART_INT_MASK_RXTO = UART_INTENCLR_RXTO_Msk
- } nrf_uart_int_mask_t;
- typedef enum
- {
- NRF_UART_BAUDRATE_1200 = UART_BAUDRATE_BAUDRATE_Baud1200,
- NRF_UART_BAUDRATE_2400 = UART_BAUDRATE_BAUDRATE_Baud2400,
- NRF_UART_BAUDRATE_4800 = UART_BAUDRATE_BAUDRATE_Baud4800,
- NRF_UART_BAUDRATE_9600 = UART_BAUDRATE_BAUDRATE_Baud9600,
- NRF_UART_BAUDRATE_14400 = UART_BAUDRATE_BAUDRATE_Baud14400,
- NRF_UART_BAUDRATE_19200 = UART_BAUDRATE_BAUDRATE_Baud19200,
- NRF_UART_BAUDRATE_28800 = UART_BAUDRATE_BAUDRATE_Baud28800,
- NRF_UART_BAUDRATE_31250 = UART_BAUDRATE_BAUDRATE_Baud31250,
- NRF_UART_BAUDRATE_38400 = UART_BAUDRATE_BAUDRATE_Baud38400,
- NRF_UART_BAUDRATE_56000 = UART_BAUDRATE_BAUDRATE_Baud56000,
- NRF_UART_BAUDRATE_57600 = UART_BAUDRATE_BAUDRATE_Baud57600,
- NRF_UART_BAUDRATE_76800 = UART_BAUDRATE_BAUDRATE_Baud76800,
- NRF_UART_BAUDRATE_115200 = UART_BAUDRATE_BAUDRATE_Baud115200,
- NRF_UART_BAUDRATE_230400 = UART_BAUDRATE_BAUDRATE_Baud230400,
- NRF_UART_BAUDRATE_250000 = UART_BAUDRATE_BAUDRATE_Baud250000,
- NRF_UART_BAUDRATE_460800 = UART_BAUDRATE_BAUDRATE_Baud460800,
- NRF_UART_BAUDRATE_921600 = UART_BAUDRATE_BAUDRATE_Baud921600,
- NRF_UART_BAUDRATE_1000000 = UART_BAUDRATE_BAUDRATE_Baud1M,
- } nrf_uart_baudrate_t;
- typedef enum
- {
- NRF_UART_ERROR_OVERRUN_MASK = UART_ERRORSRC_OVERRUN_Msk,
- NRF_UART_ERROR_PARITY_MASK = UART_ERRORSRC_PARITY_Msk,
- NRF_UART_ERROR_FRAMING_MASK = UART_ERRORSRC_FRAMING_Msk,
- NRF_UART_ERROR_BREAK_MASK = UART_ERRORSRC_BREAK_Msk,
- } nrf_uart_error_mask_t;
- typedef enum
- {
- NRF_UART_PARITY_EXCLUDED = UART_CONFIG_PARITY_Excluded << UART_CONFIG_PARITY_Pos,
- NRF_UART_PARITY_INCLUDED = UART_CONFIG_PARITY_Included << UART_CONFIG_PARITY_Pos,
- } nrf_uart_parity_t;
- typedef enum
- {
- NRF_UART_HWFC_DISABLED = UART_CONFIG_HWFC_Disabled,
- NRF_UART_HWFC_ENABLED = UART_CONFIG_HWFC_Enabled,
- } nrf_uart_hwfc_t;
- __STATIC_INLINE void nrf_uart_event_clear(NRF_UART_Type * p_reg, nrf_uart_event_t event);
- __STATIC_INLINE bool nrf_uart_event_check(NRF_UART_Type * p_reg, nrf_uart_event_t event);
- __STATIC_INLINE uint32_t nrf_uart_event_address_get(NRF_UART_Type * p_reg,
- nrf_uart_event_t event);
- __STATIC_INLINE void nrf_uart_int_enable(NRF_UART_Type * p_reg, uint32_t mask);
- __STATIC_INLINE bool nrf_uart_int_enable_check(NRF_UART_Type * p_reg, uint32_t mask);
- __STATIC_INLINE void nrf_uart_int_disable(NRF_UART_Type * p_reg, uint32_t mask);
- __STATIC_INLINE uint32_t nrf_uart_errorsrc_get_and_clear(NRF_UART_Type * p_reg);
- __STATIC_INLINE void nrf_uart_enable(NRF_UART_Type * p_reg);
- __STATIC_INLINE void nrf_uart_disable(NRF_UART_Type * p_reg);
- __STATIC_INLINE void nrf_uart_txrx_pins_set(NRF_UART_Type * p_reg, uint32_t pseltxd, uint32_t pselrxd);
- __STATIC_INLINE void nrf_uart_txrx_pins_disconnect(NRF_UART_Type * p_reg);
- __STATIC_INLINE uint32_t nrf_uart_tx_pin_get(NRF_UART_Type * p_reg);
- __STATIC_INLINE uint32_t nrf_uart_rx_pin_get(NRF_UART_Type * p_reg);
- __STATIC_INLINE uint32_t nrf_uart_rts_pin_get(NRF_UART_Type * p_reg);
- __STATIC_INLINE uint32_t nrf_uart_cts_pin_get(NRF_UART_Type * p_reg);
- __STATIC_INLINE void nrf_uart_hwfc_pins_set(NRF_UART_Type * p_reg,
- uint32_t pselrts,
- uint32_t pselcts);
- __STATIC_INLINE void nrf_uart_hwfc_pins_disconnect(NRF_UART_Type * p_reg);
- __STATIC_INLINE uint8_t nrf_uart_rxd_get(NRF_UART_Type * p_reg);
- __STATIC_INLINE void nrf_uart_txd_set(NRF_UART_Type * p_reg, uint8_t txd);
- __STATIC_INLINE void nrf_uart_task_trigger(NRF_UART_Type * p_reg, nrf_uart_task_t task);
- __STATIC_INLINE uint32_t nrf_uart_task_address_get(NRF_UART_Type * p_reg, nrf_uart_task_t task);
- __STATIC_INLINE void nrf_uart_configure(NRF_UART_Type * p_reg,
- nrf_uart_parity_t parity,
- nrf_uart_hwfc_t hwfc);
- __STATIC_INLINE void nrf_uart_baudrate_set(NRF_UART_Type * p_reg, nrf_uart_baudrate_t baudrate);
- #ifndef SUPPRESS_INLINE_IMPLEMENTATION
- __STATIC_INLINE void nrf_uart_event_clear(NRF_UART_Type * p_reg, nrf_uart_event_t event)
- {
- *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)) = 0x0UL;
- #if __CORTEX_M == 0x04
- volatile uint32_t dummy = *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event));
- (void)dummy;
- #endif
- }
- __STATIC_INLINE bool nrf_uart_event_check(NRF_UART_Type * p_reg, nrf_uart_event_t event)
- {
- return (bool)*(volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event);
- }
- __STATIC_INLINE uint32_t nrf_uart_event_address_get(NRF_UART_Type * p_reg,
- nrf_uart_event_t event)
- {
- return (uint32_t)((uint8_t *)p_reg + (uint32_t)event);
- }
- __STATIC_INLINE void nrf_uart_int_enable(NRF_UART_Type * p_reg, uint32_t mask)
- {
- p_reg->INTENSET = mask;
- }
- __STATIC_INLINE bool nrf_uart_int_enable_check(NRF_UART_Type * p_reg, uint32_t mask)
- {
- return (bool)(p_reg->INTENSET & mask);
- }
- __STATIC_INLINE void nrf_uart_int_disable(NRF_UART_Type * p_reg, uint32_t mask)
- {
- p_reg->INTENCLR = mask;
- }
- __STATIC_INLINE uint32_t nrf_uart_errorsrc_get_and_clear(NRF_UART_Type * p_reg)
- {
- uint32_t errsrc_mask = p_reg->ERRORSRC;
- p_reg->ERRORSRC = errsrc_mask;
- return errsrc_mask;
- }
- __STATIC_INLINE void nrf_uart_enable(NRF_UART_Type * p_reg)
- {
- p_reg->ENABLE = UART_ENABLE_ENABLE_Enabled;
- }
- __STATIC_INLINE void nrf_uart_disable(NRF_UART_Type * p_reg)
- {
- p_reg->ENABLE = UART_ENABLE_ENABLE_Disabled;
- }
- __STATIC_INLINE void nrf_uart_txrx_pins_set(NRF_UART_Type * p_reg, uint32_t pseltxd, uint32_t pselrxd)
- {
- #if defined(UART_PSEL_RXD_CONNECT_Pos)
- p_reg->PSEL.RXD = pselrxd;
- #else
- p_reg->PSELRXD = pselrxd;
- #endif
- #if defined(UART_PSEL_TXD_CONNECT_Pos)
- p_reg->PSEL.TXD = pseltxd;
- #else
- p_reg->PSELTXD = pseltxd;
- #endif
- }
- __STATIC_INLINE void nrf_uart_txrx_pins_disconnect(NRF_UART_Type * p_reg)
- {
- nrf_uart_txrx_pins_set(p_reg, NRF_UART_PSEL_DISCONNECTED, NRF_UART_PSEL_DISCONNECTED);
- }
- __STATIC_INLINE uint32_t nrf_uart_tx_pin_get(NRF_UART_Type * p_reg)
- {
- #if defined(UART_PSEL_TXD_CONNECT_Pos)
- return p_reg->PSEL.TXD;
- #else
- return p_reg->PSELTXD;
- #endif
- }
- __STATIC_INLINE uint32_t nrf_uart_rx_pin_get(NRF_UART_Type * p_reg)
- {
- #if defined(UART_PSEL_RXD_CONNECT_Pos)
- return p_reg->PSEL.RXD;
- #else
- return p_reg->PSELRXD;
- #endif
- }
- __STATIC_INLINE uint32_t nrf_uart_rts_pin_get(NRF_UART_Type * p_reg)
- {
- #if defined(UART_PSEL_RTS_CONNECT_Pos)
- return p_reg->PSEL.RTS;
- #else
- return p_reg->PSELRTS;
- #endif
- }
- __STATIC_INLINE uint32_t nrf_uart_cts_pin_get(NRF_UART_Type * p_reg)
- {
- #if defined(UART_PSEL_RTS_CONNECT_Pos)
- return p_reg->PSEL.CTS;
- #else
- return p_reg->PSELCTS;
- #endif
- }
- __STATIC_INLINE void nrf_uart_hwfc_pins_set(NRF_UART_Type * p_reg, uint32_t pselrts, uint32_t pselcts)
- {
- #if defined(UART_PSEL_RTS_CONNECT_Pos)
- p_reg->PSEL.RTS = pselrts;
- #else
- p_reg->PSELRTS = pselrts;
- #endif
- #if defined(UART_PSEL_RTS_CONNECT_Pos)
- p_reg->PSEL.CTS = pselcts;
- #else
- p_reg->PSELCTS = pselcts;
- #endif
- }
- __STATIC_INLINE void nrf_uart_hwfc_pins_disconnect(NRF_UART_Type * p_reg)
- {
- nrf_uart_hwfc_pins_set(p_reg, NRF_UART_PSEL_DISCONNECTED, NRF_UART_PSEL_DISCONNECTED);
- }
- __STATIC_INLINE uint8_t nrf_uart_rxd_get(NRF_UART_Type * p_reg)
- {
- return p_reg->RXD;
- }
- __STATIC_INLINE void nrf_uart_txd_set(NRF_UART_Type * p_reg, uint8_t txd)
- {
- p_reg->TXD = txd;
- }
- __STATIC_INLINE void nrf_uart_task_trigger(NRF_UART_Type * p_reg, nrf_uart_task_t task)
- {
- *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task)) = 0x1UL;
- }
- __STATIC_INLINE uint32_t nrf_uart_task_address_get(NRF_UART_Type * p_reg, nrf_uart_task_t task)
- {
- return (uint32_t)p_reg + (uint32_t)task;
- }
- __STATIC_INLINE void nrf_uart_configure(NRF_UART_Type * p_reg,
- nrf_uart_parity_t parity,
- nrf_uart_hwfc_t hwfc)
- {
- p_reg->CONFIG = (uint32_t)parity | (uint32_t)hwfc;
- }
- __STATIC_INLINE void nrf_uart_baudrate_set(NRF_UART_Type * p_reg, nrf_uart_baudrate_t baudrate)
- {
- p_reg->BAUDRATE = baudrate;
- }
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif
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