spi_api.h File Reference

This file provides following mbed SPI API. More...

Enumerations
AmebaZ Only
enum	MBED_SPI_IDX { MBED_SPI0 = 0xF0, MBED_SPI1 = 0xF1 }

Ameba Common
typedef struct spi_s	spi_t
void	spi_init (spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
	Initializes the SPI device, include clock/function/interrupt/SPI registers. More...
void	spi_free (spi_t *obj)
	Deinitializes the SPI device, include interrupt/DMA/DISABLE SPI. More...
void	spi_format (spi_t *obj, int bits, int mode, int slave)
	Set SPI format,include DFS/Phase/Polarity. More...
void	spi_frequency (spi_t *obj, int hz)
	Set SPI baudrate. More...
int	spi_master_write (spi_t *obj, int value)
	Master send one frame use SPI. More...
int	spi_slave_receive (spi_t *obj)
	Get slave readable && busy state. More...
int	spi_slave_read (spi_t *obj)
	Slave receive one frame use SPI. More...
void	spi_slave_write (spi_t *obj, int value)
	Slave send one frame use SPI. More...
int	spi_busy (spi_t *obj)
	Get SPI busy state. More...
void	spi_flush_rx_fifo (spi_t *obj)
	SPI device to flush rx fifo. More...
void	spi_enable (spi_t *obj)
	Open SPI device clock. More...
void	spi_disable (spi_t *obj)
	Close SPI device clock. More...

Detailed Description

This file provides following mbed SPI API.

mbed Microcontroller Library

Author

Version

V1.0.0

Attention

Copyright (c) 2006-2013 ARM Limited

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.