io1_xplained.h

Device driver interface for the Atmel IO1 Xplained extention.

enum @124

IO1_XPLAINED_OK = 0

Initialization successful.

IO1_XPLAINED_NOTEMP

Error during temperature sensor initialization.

IO1_XPLAINED_NOSDCARD

Error during sdcard initialization.

IO1_XPLAINED_NOLIGHT

Error during light sensor (ADC) initialization.

IO1_XPLAINED_NOLED

Error during extension LED initialization.

IO1_XPLAINED_NOGPIO1

Error during extension GPIO1 initialization.

IO1_XPLAINED_NOGPIO2

Error during extension GPIO2 initialization.

IO1_XPLAINED_READ_OK

Light sensor read successful.

IO1_XPLAINED_READ_ERR

Error when reading light sensor.

int io1_xplained_init(io1_xplained_t * dev, const io1_xplained_params_t * params)

Initialize the given IO1 Xplained extension.

Parameters

dev:Initialized device descriptor of IO1 Xplained extension params:Device initialization parameters

Return values

• IO1_XPLAINED_OK on success
• -IO1_XPLAINED_NOTEMP if temperature sensor initialization failed
• -IO1_XPLAINED_NOSDCARD if sdcard initialization failed
• -IO1_XPLAINED_NOLED if LED initialization failed
• -IO1_XPLAINED_NOGPIO1 if GPIO1 initialization failed
• -IO1_XPLAINED_NOGPIO2 if GPIO2 initialization failed

int io1_xplained_read_light_level(uint16_t * light)

Read light sensor level on the IO1 Xplained extension.

Parameters

light:Light level value (between 0 and 1023)

Return values

• IO1_XPLAINED_READ_OK on success
• -IO1_XPLAINED_READ_ERR when the value cannot be read

struct io1_xplained_params_t

Device initialization parameters.

uint8_t addr

extension custom address

struct io1_xplained_t

Device descriptor for the IO1 Xplained extension.

io1_xplained_params_t params

Initialization parameters.

at30tse75x_t temp

On-board temperature sensor.

sdcard_spi_t sdcard

On-board SD card.