avr32/applications/evk1100-control-panel/serial/serial.c File Reference

#include "gpio.h"
#include "FreeRTOS.h"
#include "queue.h"
#include "task.h"
#include "serial.h"
#include <avr32/io.h>
#include "board.h"
#include "usart.h"

Data Structures
struct	usartPrivateData

Macros
#define	serHANDLE   ( ( xComPortHandle ) 1 )
#define	serINVALID_COMPORT_HANDLER   ( ( xComPortHandle ) 0 )
#define	serINVALID_QUEUE   ( ( xQueueHandle ) 0 )
#define	serNO_BLOCK   ( ( portTickType ) 0 )

Typedefs
typedef struct usartPrivateData	xUsartPrivateData

Functions
static int	iprvSerialCreateQueues (unsigned portBASE_TYPE uxRxQueueLength, xQueueHandle *pxRxedChars, unsigned portBASE_TYPE uxTxQueueLength, xQueueHandle *pxCharsForTx)
static portBASE_TYPE	prvUSART_ISR_NonNakedBehaviour (xUsartPrivateData *pxUsart)
unsigned portSHORT	usUsartPutString (xComPortHandle pxPort, const signed portCHAR *const pcString, unsigned portSHORT usStringLength)
	Put a string to Usart. More...
void	vSerialClose (xComPortHandle xPort)
	Close the serial port. More...
void	vUSART0_ISR (void)
static void	vUSART1_ISR (void)
signed portBASE_TYPE	xUsartGetChar (xComPortHandle pxPort, signed portCHAR *pcRxedChar, portTickType xBlockTime)
	Get char from Usart. More...
xComPortHandle	xUsartInit (eCOMPort UsartId, unsigned portLONG ulWantedBaud, unsigned portBASE_TYPE uxRxQueueLength, unsigned portBASE_TYPE uxTxQueueLength)
	Init the serial port. More...
signed portBASE_TYPE	xUsartPutChar (xComPortHandle pxPort, signed portCHAR cOutChar, portTickType xBlockTime)
	Put char to Usart. More...

Variables
xUsartPrivateData	xUsart0 = {&AVR32_USART0, NULL, NULL}
xUsartPrivateData	xUsart1 = {&AVR32_USART1, NULL, NULL}

#define serHANDLE   ( ( xComPortHandle ) 1 )

#define serINVALID_COMPORT_HANDLER   ( ( xComPortHandle ) 0 )

Referenced by xUsartInit().

#define serINVALID_QUEUE   ( ( xQueueHandle ) 0 )

#define serNO_BLOCK   ( ( portTickType ) 0 )

Referenced by usUsartPutString().

typedef struct usartPrivateData xUsartPrivateData

static int iprvSerialCreateQueues ( unsigned portBASE_TYPE  uxRxQueueLength, xQueueHandle *  pxRxedChars, unsigned portBASE_TYPE  uxTxQueueLength, xQueueHandle *  pxCharsForTx  )

static

References NULL, pdFAIL, pdPASS, and xQueueCreate().

Referenced by xUsartInit().

static portBASE_TYPE prvUSART_ISR_NonNakedBehaviour ( xUsartPrivateData *  pxUsart )

static

References pdFALSE, pdTRUE, portENTER_CRITICAL, portEXIT_CRITICAL, usartPrivateData::usart, usartPrivateData::xCharsForTx, xQueueReceiveFromISR(), xQueueSendFromISR, and usartPrivateData::xRxedChars.

Referenced by vUSART0_ISR(), and vUSART1_ISR().

unsigned portSHORT usUsartPutString	(	xComPortHandle	pxPort,
		const signed portCHAR *const	pcString,
		unsigned portSHORT	usStringLength
	)

Put a string to Usart.

Parameters

pxPort	The Usart handle to put the string to
pcString	The string to transmit
usStringLength	The number of char to transmit.

References pdPASS, serNO_BLOCK, and xUsartPutChar().

Referenced by ustracedump_Print(), vcom1shell_PrintMsg(), and vtracedump_PrintBlocking().

void vSerialClose

(

xComPortHandle

xPort

)

Close the serial port.

Parameters

xPort

The handle of the usart to close

References usartPrivateData::usart.

void vUSART0_ISR

(

void

)

References portENTER_SWITCHING_ISR, portEXIT_SWITCHING_ISR, and prvUSART_ISR_NonNakedBehaviour().

Referenced by xUsartInit().

static void vUSART1_ISR ( void  )

static

References portENTER_SWITCHING_ISR, portEXIT_SWITCHING_ISR, and prvUSART_ISR_NonNakedBehaviour().

Referenced by xUsartInit().

signed portBASE_TYPE xUsartGetChar	(	xComPortHandle	pxPort,
		signed portCHAR *	pcRxedChar,
		portTickType	xBlockTime
	)

Get char from Usart.

Parameters

pxPort	The Usart handle to get the char from
pcRxedChar	The rxed char(output)
xBlockTime	The max time to wait for a rxed char

References pdFALSE, pdTRUE, xQueueReceive, and usartPrivateData::xRxedChars.

Referenced by com1shell_GetChar(), and prvGetChar().

xComPortHandle xUsartInit	(	eCOMPort	UsartId,
		unsigned portLONG	ulWantedBaud,
		unsigned portBASE_TYPE	uxRxQueueLength,
		unsigned portBASE_TYPE	uxTxQueueLength
	)

Init the serial port.

Parameters

UsartId	The identifier of the Usart to init.
ulWantedBaud	The required baudrate.
uxRxQueueLength	The length of the Rx buffer (if 0, rx is not supported).
uxTxQueueLength	The length of the Tx buffer (if 0, tx is not supported).

Returns

xComPortHandle Handler on the COM port.

Configure USART.

References usart_options_t::baudrate, CP_PBA_SPEED, gpio_enable_module_pin(), INTC_register_interrupt(), iprvSerialCreateQueues(), pdFAIL, portENTER_CRITICAL, portEXIT_CRITICAL, serCOM1, serINVALID_COMPORT_HANDLER, usartPrivateData::usart, USART_1_STOPBIT, usart_init_rs232(), USART_NO_PARITY, USART_NORMAL_CHMODE, USART_OPTIONS, vUSART0_ISR(), vUSART1_ISR(), usartPrivateData::xCharsForTx, usartPrivateData::xRxedChars, and xUsart1.

Referenced by itracedump_Init(), and portTASK_FUNCTION().

signed portBASE_TYPE xUsartPutChar	(	xComPortHandle	pxPort,
		signed portCHAR	cOutChar,
		portTickType	xBlockTime
	)

Put char to Usart.

Parameters

pxPort	The Usart handle to put the char to
cOutChar	The char to transmit
xBlockTime	The max time to wait for getting the right to transmit the char.

References pdFAIL, pdPASS, usartPrivateData::usart, usartPrivateData::xCharsForTx, and xQueueSend.

Referenced by usUsartPutString(), vcom1shell_PutChar(), vtracedump_Putchar(), and vtracedump_Putchar_Block().

xUsartPrivateData xUsart0 = {&AVR32_USART0, NULL, NULL}

xUsartPrivateData xUsart1 = {&AVR32_USART1, NULL, NULL}

Referenced by xUsartInit().