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uart.h File Reference
Hardware support » CPUs » The TI CC2538 System-on-Chip » cc2538 UART

Header file for the cc2538 UART driver. More...

#include "contiki.h"
#include <stdint.h>

Go to the source code of this file.

Macros

UART instance count
UART base addresses
UART Register Offsets
#define UART_DR   0x00000000
 UART data.
 
#define UART_RSR   0x00000004
 UART RX status and err clear.
 
#define UART_ECR   0x00000004
 UART RX status and err clear.
 
#define UART_FR   0x00000018
 UART flag.
 
#define UART_ILPR   0x00000020
 UART IrDA low-power.
 
#define UART_IBRD   0x00000024
 UART BAUD divisor: integer.
 
#define UART_FBRD   0x00000028
 UART BAUD divisor: fractional.
 
#define UART_LCRH   0x0000002C
 UART line control.
 
#define UART_CTL   0x00000030
 UART control.
 
#define UART_IFLS   0x00000034
 UART interrupt FIFO level.
 
#define UART_IM   0x00000038
 UART interrupt mask.
 
#define UART_RIS   0x0000003C
 UART raw interrupt status.
 
#define UART_MIS   0x00000040
 UART masked interrupt status.
 
#define UART_ICR   0x00000044
 UART interrupt clear.
 
#define UART_DMACTL   0x00000048
 UART DMA control.
 
#define UART_LCTL   0x00000090
 UART LIN control.
 
#define UART_LSS   0x00000094
 UART LIN snap shot.
 
#define UART_LTIM   0x00000098
 UART LIN timer.
 
#define UART_NINEBITADDR   0x000000A4
 UART 9-bit self address.
 
#define UART_NINEBITAMASK   0x000000A8
 UART 9-bit self address mask.
 
#define UART_PP   0x00000FC0
 UART peripheral properties.
 
#define UART_CC   0x00000FC8
 UART clock configuration.
 
UART_DR Register Bit-Masks
#define UART_DR_OE   0x00000800
 UART overrun error.
 
#define UART_DR_BE   0x00000400
 UART break error.
 
#define UART_DR_PE   0x00000200
 UART parity error.
 
#define UART_DR_FE   0x00000100
 UART framing error.
 
#define UART_DR_DATA   0x000000FF
 Data transmitted or received.
 
UART_RSR Register Bit-Masks
#define UART_RSR_OE   0x00000008
 UART overrun error.
 
#define UART_RSR_BE   0x00000004
 UART break error.
 
#define UART_RSR_PE   0x00000002
 UART parity error.
 
#define UART_RSR_FE   0x00000001
 UART framing error.
 
UART_ECR Register Bit-Masks
#define UART_ECR_DATA   0x000000FF
 Error clear.
 
UART_FR Register Bit-Masks
#define UART_FR_TXFE   0x00000080
 UART transmit FIFO empty.
 
#define UART_FR_RXFF   0x00000040
 UART receive FIFO full.
 
#define UART_FR_TXFF   0x00000020
 UART transmit FIFO full.
 
#define UART_FR_RXFE   0x00000010
 UART receive FIFO empty.
 
#define UART_FR_BUSY   0x00000008
 UART busy.
 
#define UART_FR_CTS   0x00000001
 Clear to send.
 
UART_ILPR Register Bit-Masks
#define UART_ILPR_ILPDVSR   0x000000FF
 IrDA low-power divisor.
 
UART_IBRD Register Bit-Masks
#define UART_IBRD_DIVINT   0x0000FFFF
 Integer baud-rate divisor.
 
UART_FPRD Register Bit-Masks
#define UART_FBRD_DIVFRAC   0x0000003F
 Fractional baud-rate divisor.
 
UART_LCRH Register Bit-Masks
#define UART_LCRH_SPS   0x00000080
 UART stick parity select.
 
#define UART_LCRH_WLEN   0x00000060
 UART word length.
 
#define UART_LCRH_FEN   0x00000010
 UART enable FIFOs.
 
#define UART_LCRH_STP2   0x00000008
 UART two stop bits select.
 
#define UART_LCRH_EPS   0x00000004
 UART even parity select.
 
#define UART_LCRH_PEN   0x00000002
 UART parity enable.
 
#define UART_LCRH_BRK   0x00000001
 UART send break.
 
UART_LCRH_WLEN Values
UART_CTL Register Bit-Masks
#define UART_CTL_CTSEN   0x00008000
 UART CTS flow-control enable (UART1 only)
 
#define UART_CTL_RTSEN   0x00004000
 UART RTS flow-control enable (UART1 only)
 
#define UART_CTL_RXE   0x00000200
 UART receive enable.
 
#define UART_CTL_TXE   0x00000100
 UART transmit enable.
 
#define UART_CTL_LBE   0x00000080
 UART loop back enable.
 
#define UART_CTL_LIN   0x00000040
 LIN mode enable.
 
#define UART_CTL_HSE   0x00000020
 High-speed enable.
 
#define UART_CTL_EOT   0x00000010
 End of transmission.
 
#define UART_CTL_SMART   0x00000008
 ISO 7816 Smart Card support.
 
#define UART_CTL_SIRLP   0x00000004
 UART SIR low-power mode.
 
#define UART_CTL_SIREN   0x00000002
 UART SIR enable.
 
#define UART_CTL_UARTEN   0x00000001
 UART enable.
 
UART_IFLS Register Bit-Masks
#define UART_IFLS_RXIFLSEL   0x00000038
 UART RX FIFO level select.
 
#define UART_IFLS_TXIFLSEL   0x00000007
 UART TX FIFO level select.
 
UART_IFLS_RXIFLSEL Possible Values
#define UART_IFLS_RXIFLSEL_7_8   0x00000020
 UART RX FIFO >= 7/8 full.
 
#define UART_IFLS_RXIFLSEL_3_4   0x00000018
 UART RX FIFO >= 3/4 full.
 
#define UART_IFLS_RXIFLSEL_1_2   0x00000010
 UART RX FIFO >= 1/2 full.
 
#define UART_IFLS_RXIFLSEL_1_4   0x00000008
 UART RX FIFO >= 1/4 full.
 
#define UART_IFLS_RXIFLSEL_1_8   0x00000000
 UART RX FIFO >= 1/8 full.
 
UART_IFLS_TXIFLSEL Possible Values
#define UART_IFLS_TXIFLSEL_1_8   0x00000004
 UART TX FIFO >= 1/8 empty.
 
#define UART_IFLS_TXIFLSEL_1_4   0x00000003
 UART TX FIFO >= 1/4 empty.
 
#define UART_IFLS_TXIFLSEL_1_2   0x00000002
 UART TX FIFO >= 1/2 empty.
 
#define UART_IFLS_TXIFLSEL_3_4   0x00000001
 UART TX FIFO >= 3/4 empty.
 
#define UART_IFLS_TXIFLSEL_7_8   0x00000000
 UART TX FIFO >= 7/8 empty.
 
UART_IM Register Bit-Masks
#define UART_IM_LME5IM   0x00008000
 LIN mode edge 5 intr mask.
 
#define UART_IM_LME1IM   0x00004000
 LIN mode edge 1 intr mask.
 
#define UART_IM_LMSBIM   0x00002000
 LIN mode sync break mask.
 
#define UART_IM_NINEBITIM   0x00001000
 9-bit mode interrupt mask
 
#define UART_IM_OEIM   0x00000400
 UART overrun error mask.
 
#define UART_IM_BEIM   0x00000200
 UART break error mask.
 
#define UART_IM_PEIM   0x00000100
 UART parity error mask.
 
#define UART_IM_FEIM   0x00000080
 UART framing error.
 
#define UART_IM_RTIM   0x00000040
 UART receive time-out mask.
 
#define UART_IM_TXIM   0x00000020
 UART transmit intr mask.
 
#define UART_IM_RXIM   0x00000010
 UART receive interrupt mask.
 
#define UART_IM_CTSIM   0x00000002
 UART CTS modem mask.
 
UART_RIS Register Bit-Masks
#define UART_RIS_LME5RIS   0x00008000
 LIN mode edge 5 raw.
 
#define UART_RIS_LME1RIS   0x00004000
 LIN mode edge 1 raw.
 
#define UART_RIS_LMSBRIS   0x00002000
 LIN mode sync break raw.
 
#define UART_RIS_NINEBITRIS   0x00001000
 9-bit mode raw intr
 
#define UART_RIS_OERIS   0x00000400
 UART overrun error raw.
 
#define UART_RIS_BERIS   0x00000200
 UART break error raw.
 
#define UART_RIS_PERIS   0x00000100
 UART parity error raw.
 
#define UART_RIS_FERIS   0x00000080
 UART framing error raw.
 
#define UART_RIS_RTRIS   0x00000040
 UART RX time-out raw.
 
#define UART_RIS_TXRIS   0x00000020
 UART transmit raw.
 
#define UART_RIS_RXRIS   0x00000010
 UART receive raw.
 
#define UART_RIS_CTSRIS   0x00000002
 UART CTS modem.
 
#define UART_MIS_LME5MIS   0x00008000
 LIN mode edge 5 masked stat.
 
#define UART_MIS_LME1MIS   0x00004000
 LIN mode edge 1 masked stat.
 
#define UART_MIS_LMSBMIS   0x00002000
 LIN mode sync br masked stat.
 
#define UART_MIS_NINEBITMIS   0x00001000
 9-bit mode masked stat
 
#define UART_MIS_OEMIS   0x00000400
 UART overrun err masked stat.
 
#define UART_MIS_BEMIS   0x00000200
 UART break err masked stat.
 
#define UART_MIS_PEMIS   0x00000100
 UART parity err masked stat.
 
#define UART_MIS_FEMIS   0x00000080
 UART framing err masked stat.
 
#define UART_MIS_RTMIS   0x00000040
 UART RX time-out masked stat.
 
#define UART_MIS_TXMIS   0x00000020
 UART TX masked intr stat.
 
#define UART_MIS_RXMIS   0x00000010
 UART RX masked intr stat.
 
#define UART_MIS_CTSMIS   0x00000002
 UART CTS modem masked stat.
 
UART_ICR Register Bit-Masks
#define UART_ICR_LME5IC   0x00008000
 LIN mode edge 5 intr clear.
 
#define UART_ICR_LME1IC   0x00004000
 LIN mode edge 1 intr clear.
 
#define UART_ICR_LMSBIC   0x00002000
 LIN mode sync br intr clear.
 
#define UART_ICR_NINEBITIC   0x00001000
 9-bit mode intr clear
 
#define UART_ICR_OEIC   0x00000400
 Overrun error intr clear.
 
#define UART_ICR_BEIC   0x00000200
 Break error intr clear.
 
#define UART_ICR_PEIC   0x00000100
 Parity error intr clear.
 
#define UART_ICR_FEIC   0x00000080
 Framing error intr clear.
 
#define UART_ICR_RTIC   0x00000040
 Receive time-out intr clear.
 
#define UART_ICR_TXIC   0x00000020
 Transmit intr clear.
 
#define UART_ICR_RXIC   0x00000010
 Receive intr clear.
 
#define UART_ICR_CTSIC   0x00000002
 UART CTS modem intr clear.
 
UART_DMACTL Register Bit-Masks
#define UART_DMACTL_DMAERR   0x00000004
 DMA on error.
 
#define UART_DMACTL_TXDMAE   0x00000002
 Transmit DMA enable.
 
#define UART_DMACTL_RXDMAE   0x00000001
 Receive DMA enable.
 
UART_LCTL Register Bit-Masks
#define UART_LCTL_BLEN   0x00000030
 Sync break length.
 
#define UART_LCTL_MASTER   0x00000001
 LIN master enable.
 
UART_LSS Register Bit-Masks
#define UART_LSS_TSS   0x0000FFFF
 Timer snap shot.
 
UART_LTIM Register Bit-Masks
#define UART_LTIM_TIMER   0x0000FFFF
 Timer value.
 
UART_O_NINEBITADDR Register Bit-Masks
#define UART_NINEBITADDR_NINEBITEN   0x00008000
 Enable 9-bit mode.
 
#define UART_NINEBITADDR_ADDR   0x000000FF
 Self address for 9-bit mode.
 
#define UART_NINEBITAMASK_RANGE   0x0000FF00
 Self addr range, 9-bit mode.
 
#define UART_NINEBITAMASK_MASK   0x000000FF
 Self addr mask, 9-bit mode.
 
UART_PP Register Bit-Masks
#define UART_PP_NB   0x00000002
 9-bit support
 
#define UART_PP_SC   0x00000001
 Smart card support.
 
UART_CC Register Bit-Masks
#define UART_CC_CS   0x00000007
 UART BAUD & sys clock source.
 

Functions

UART functions
void uart_init (uint8_t uart)
 Initialises the UART controller, configures I/O control and interrupts.
 
void uart_write_byte (uint8_t uart, uint8_t b)
 Sends a single character down the UART.
 
void uart_set_input (uint8_t uart, int(*input)(unsigned char c))
 Assigns a callback to be called when the UART receives a byte.
 

Detailed Description

Header file for the cc2538 UART driver.

Definition in file uart.h.