spi_ex_api.h File Reference

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

Ameba Common
enum	{ SPI_SCLK_IDLE_LOW =0, SPI_SCLK_IDLE_HIGH =2 }
enum	{ SPI_CS_TOGGLE_EVERY_FRAME =0, SPI_CS_TOGGLE_START_STOP =1 }
enum	{ SPI_SCLK_TOGGLE_MIDDLE =0, SPI_SCLK_TOGGLE_START =1 }
enum	ChipSelect {   CS_0 = 0, CS_1 = 1, CS_2 = 2, CS_3 = 3,   CS_4 = 4, CS_5 = 5, CS_6 = 6, CS_7 = 7 }
enum	SpiIrq { SpiRxIrq, SpiTxIrq }
typedef void(*	spi_irq_handler) (uint32_t id, SpiIrq event)
void	spi_irq_hook (spi_t *obj, spi_irq_handler handler, uint32_t id)
	Set SPI interrupt handler if needed. More...
void	spi_bus_tx_done_irq_hook (spi_t *obj, spi_irq_handler handler, uint32_t id)
	Set SPI interrupt bus tx done handler if needed. More...
void	spi_slave_flush_fifo (spi_t *obj)
	Slave device to flush tx fifo. More...
int32_t	spi_slave_read_stream (spi_t *obj, char *rx_buffer, uint32_t length)
	slave recv target length data use interrupt mode. More...
int32_t	spi_slave_write_stream (spi_t *obj, char *tx_buffer, uint32_t length)
	slave send target length data use interrupt mode. More...
int32_t	spi_master_read_stream (spi_t *obj, char *rx_buffer, uint32_t length)
	master recv target length data use interrupt mode. More...
int32_t	spi_master_write_stream (spi_t *obj, char *tx_buffer, uint32_t length)
	master send target length data use interrupt mode. More...
int32_t	spi_master_write_read_stream (spi_t *obj, char *tx_buffer, char *rx_buffer, uint32_t length)
	master send & recv target length data use interrupt mode. More...
int32_t	spi_slave_read_stream_timeout (spi_t *obj, char *rx_buffer, uint32_t length, uint32_t timeout_ms)
	slave recv target length data use interrupt mode and timeout mechanism. More...
int32_t	spi_slave_read_stream_terminate (spi_t *obj, char *rx_buffer, uint32_t length)
	slave recv target length data use interrupt mode and stop if the spi bus is idle. More...
int32_t	spi_slave_read_stream_dma (spi_t *obj, char *rx_buffer, uint32_t length)
	slave recv target length data use DMA mode. More...
int32_t	spi_slave_write_stream_dma (spi_t *obj, char *tx_buffer, uint32_t length)
	slave send target length data use DMA mode. More...
int32_t	spi_master_write_read_stream_dma (spi_t *obj, char *tx_buffer, char *rx_buffer, uint32_t length)
	master send & recv target length data use DMA mode. More...
int32_t	spi_master_read_stream_dma (spi_t *obj, char *rx_buffer, uint32_t length)
	master recv target length data use DMA mode. More...
int32_t	spi_master_write_stream_dma (spi_t *obj, char *tx_buffer, uint32_t length)
	master send target length data use DMA mode. More...
int32_t	spi_slave_read_stream_dma_timeout (spi_t *obj, char *rx_buffer, uint32_t length, uint32_t timeout_ms)
	slave recv target length data use DMA mode and timeout mechanism. More...
int32_t	spi_slave_read_stream_dma_terminate (spi_t *obj, char *rx_buffer, uint32_t length)
	slave recv target length data use DMA mode and stop if the spi bus is idle. 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.