chip/at32uc3a3/include/chip/portmux.h File Reference

AT32UC3A3 portmux configuration. More...

#include <gpio/portmux_gpio.h>

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Defines
#define	PORTMUX_USART_RX   (1 << 0)
	Enable USART RX pin.
#define	PORTMUX_USART_TX   (1 << 1)
	Enable USART TX pin.
#define	PORTMUX_TWI_ALERT   (1 << 0)
	Enable SMBus Alert.
#define	PORTMUX_USBB_ID   (1 << 0)
	Enable USBB ID pin.
#define	PORTMUX_USBB_VBOF   (1 << 1)
	Enable USBB VBOF pin.
Functions
static unsigned int	portmux_gpio_version (void)
	Return the version of the GPIO module on this chip.
static void	portmux_enable_usart (unsigned int id, unsigned long flags, unsigned long drive_strength)
	Configure the portmux to enable a given USART.
static void	portmux_enable_usbb (unsigned long flags)
	Configure the portmux to enable the USBB controller.
static void	portmux_enable_spi (unsigned int id, unsigned long drive_strength)
	Configure the portmux to enable a given SPI controller.

---

Detailed Description

AT32UC3A3 portmux configuration.

• Compiler: IAR EWAVR32 and GNU GCC for AVR32
• Supported devices: AT32UC3A3
• AppNote:

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file portmux.h.

---

Define Documentation

#define PORTMUX_TWI_ALERT   (1 << 0)

Enable SMBus Alert.

Definition at line 134 of file portmux.h.

#define PORTMUX_USART_RX   (1 << 0)

Enable USART RX pin.

Definition at line 66 of file portmux.h.

#define PORTMUX_USART_TX   (1 << 1)

Enable USART TX pin.

Definition at line 67 of file portmux.h.

#define PORTMUX_USBB_ID   (1 << 0)

Enable USBB ID pin.

Definition at line 161 of file portmux.h.

Referenced by portmux_enable_usbb().

#define PORTMUX_USBB_VBOF   (1 << 1)

Enable USBB VBOF pin.

Definition at line 162 of file portmux.h.

Referenced by portmux_enable_usbb().

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Function Documentation

static void portmux_enable_spi	(	unsigned int	id,
		unsigned long	drive_strength
	)			[inline, static]

Configure the portmux to enable a given SPI controller.

Parameters:

	id	The ID of the SPI controller to be configured.
	drive_strength	The required drive strength of the SPI pins.

Definition at line 283 of file portmux.h.

References is_constant.

static void portmux_enable_usart	(	unsigned int	id,
		unsigned long	flags,
		unsigned long	drive_strength
	)			[inline, static]

Configure the portmux to enable a given USART.

Parameters:

	id	The USART ID to configure.
	flags	Flags indicating which pins to set up: PORTMUX_USART_RX: Enable USART RX pin. PORTMUX_USART_TX: Enable USART TX pin.
	drive_strength	The required drive strength of the USART pins.

Definition at line 125 of file portmux.h.

References is_constant.

static void portmux_enable_usbb

(

unsigned long

flags

)

[inline, static]

Configure the portmux to enable the USBB controller.

Parameters:

flags

Flags indicating which USBB pins to set up.

Todo:

We actually have five different alternatives for each pin...

Definition at line 171 of file portmux.h.

References portmux_select_peripheral(), PORTMUX_USBB_ID, and PORTMUX_USBB_VBOF.

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static unsigned int portmux_gpio_version

(

void

)

[inline, static]

Return the version of the GPIO module on this chip.

Definition at line 55 of file portmux.h.

References PORTMUX_GPIO_VER.

Referenced by portmux_select_gpio(), and portmux_select_peripheral().