xbee_serial_efm32.c File Reference

Serial Interface for XBee Module (EFM32 Microcontroller) More...

#include "xbee/platform.h"
#include "xbee/serial.h"
#include "xbee_serial_config_efm32.h"
#include "xbee/cbuf.h"
#include <errno.h>

Macros
#define	BUFFER_UPPER_BOUND   4
#define	BUFFER_LOWER_BOUND   RX_BUFF_SIZE/3
#define	XBEE_RX_IRQn   CONCAT3(USART, USART_NUMBER, _RX_IRQn) /* IRQRX number */
#define	XBEE_TX_IRQn   CONCAT3(USART, USART_NUMBER, _TX_IRQn) /* IRQTX number */
#define	XBEE_RX_IRQ_NAME   CONCAT3(USART, USART_NUMBER, _RX_IRQHandler) /* USART IRQ Handler */
#define	XBEE_TX_IRQ_NAME   CONCAT3(USART, USART_NUMBER, _TX_IRQHandler) /* USART IRQ Handler */
#define	XBEE_USART   CONCAT(USART, USART_NUMBER) /* USART instance */
#define	XBEE_CLK   CONCAT3(cmuClock, _USART, USART_NUMBER) /* HFPER Clock */
#define	XBEE_ROUTE_LOC_TX   CONCAT(USART_ROUTELOC0_TXLOC_LOC,TX_LOC) /* HFPER Clock */
#define	XBEE_ROUTE_LOC_RX   CONCAT(USART_ROUTELOC0_RXLOC_LOC,TX_LOC)
#define	XBEE_ROUTE_LOC_CTS   CONCAT(USART_ROUTELOC1_CTSLOC_LOC, CTS_LOC)
#define	XBEE_USART_STRING   TOSTRINGMACRO(CONCAT(USART_, USART_NUMBER)) /* String version of USART_# */
#define	TOSTRINGMACRO(s)   TOSTRINGMACRO_(s)
#define	TOSTRINGMACRO_(s)   #s
#define	CONCAT_(A, B)   A ## B
#define	CONCAT(A, B)   CONCAT_(A, B)
#define	CONCAT3_(A, B, C)   A ## B ## C
#define	CONCAT3(A, B, C)   CONCAT3_(A, B, C)

Functions
void	checkRxBufferUpper (void)
void	checkRxBufferLower (void)
void	routeSerial (void)
void	serialInit (xbee_serial_t *serial)
void	XBEE_RX_IRQ_NAME (void)
void	XBEE_TX_IRQ_NAME (void)
bool_t	xbee_ser_invalid (xbee_serial_t *serial)
	Helper function used by other xbee_serial functions to validate the serial parameter. More...
const char *	xbee_ser_portname (xbee_serial_t *serial)
	Returns a human-readable string describing the serial port. More...
int	xbee_ser_write (xbee_serial_t *serial, const void FAR *buffer, int length)
	Transmits length bytes from buffer to the XBee serial port serial. More...
int	xbee_ser_read (xbee_serial_t *serial, void FAR *buffer, int bufsize)
	Reads up to bufsize bytes from XBee serial port serial and into buffer. More...
int	xbee_ser_putchar (xbee_serial_t *serial, uint8_t ch)
	Transmits a single character, ch, to the XBee serial port serial. More...
int	xbee_ser_getchar (xbee_serial_t *serial)
	Reads a single character from the XBee serial port serial. More...
int	xbee_ser_tx_free (xbee_serial_t *serial)
	Returns the number of bytes of unused space in the serial transmit buffer for XBee serial port serial. More...
int	xbee_ser_tx_used (xbee_serial_t *serial)
	Returns the number of queued bytes in the serial transmit buffer for XBee serial port serial. More...
int	xbee_ser_tx_flush (xbee_serial_t *serial)
	Flushes (i.e., deletes and does not transmit) characters in the serial transmit buffer for XBee serial port serial. More...
int	xbee_ser_rx_free (xbee_serial_t *serial)
	Returns the number of bytes of unused space in the serial receive buffer for XBee serial port serial. More...
int	xbee_ser_rx_used (xbee_serial_t *serial)
	Returns the number of queued bytes in the serial receive buffer for XBee serial port serial. More...
int	xbee_ser_rx_flush (xbee_serial_t *serial)
	Deletes all characters in the serial receive buffer for XBee serial port serial. More...
int	xbee_ser_open (xbee_serial_t *serial, uint32_t baudrate)
	Opens the serial port connected to XBee serial port serial at baudrate bits/second. More...
int	xbee_ser_baudrate (xbee_serial_t *serial, uint32_t baudrate)
	Change the baud rate of XBee serial port serial to baudrate bits/second. More...
int	xbee_ser_close (xbee_serial_t *serial)
	Close the serial port attached to XBee serial port serial. More...
int	xbee_ser_break (xbee_serial_t *serial, bool_t enabled)
	Disable the serial transmit pin and pull it low to send a break to the XBee serial port. More...
int	xbee_ser_flowcontrol (xbee_serial_t *serial, bool_t enabled)
	Enable or disable hardware flow control (CTS/RTS) on the serial port for XBee serial port serial. More...
int	xbee_ser_set_rts (xbee_serial_t *serial, bool_t asserted)
	Disable hardware flow control and manually set the RTS (ready to send) pin on the XBee device's serial port. More...
int	xbee_ser_get_cts (xbee_serial_t *serial)
	Read the status of the /CTS (clear to send) pin on the serial port connected to XBee serial port serial. More...

Variables
USART_TypeDef *	usart = XBEE_USART

Detailed Description

Serial Interface for XBee Module (EFM32 Microcontroller)