i2s_api.h File Reference

This file provides following mbed I2S API. More...

`#include "device.h"`
`#include "ameba_soc.h"`

## Functions

Ameba1 Only
void | i2s_init (i2s_t *obj, PinName sck, PinName ws, PinName sd)
| Initializes the I2S device, include clock/function/interrupt/I2S registers. More...
AmebaZ Only
void | i2s_init (i2s_t *obj, PinName sck, PinName ws, PinName sd_tx, PinName sd_rx, PinName mck)
| Initializes the I2S device, include clock/function/interrupt/I2S registers. More...

## Ameba Common

enum | { SR_8KHZ = I2S_SR_8KHZ, SR_16KHZ = I2S_SR_16KHZ, SR_24KHZ = I2S_SR_24KHZ, SR_32KHZ = I2S_SR_32KHZ, SR_48KHZ = I2S_SR_48KHZ, SR_96KHZ = I2S_SR_96KHZ, SR_7p35KHZ = I2S_SR_7p35KHZ, SR_14p7KHZ = I2S_SR_14p7KHZ, SR_22p05KHZ = I2S_SR_22p05KHZ, SR_29p4KHZ = I2S_SR_29p4KHZ, SR_44p1KHZ = I2S_SR_44p1KHZ, SR_88p2KHZ = I2S_SR_88p2KHZ }
enum | { CH_STEREO = I2S_CH_STEREO, CH_MONO = I2S_CH_MONO }
enum | { WL_16b = I2S_WL_16, WL_24b = I2S_WL_24 }
enum | { I2S_DIR_RX = I2S_ONLY_RX, I2S_DIR_TX = I2S_ONLY_TX, I2S_DIR_TXRX = I2S_TXRX }
typedef void(* | i2s_irq_handler) (uint32_t id, char *pbuf)
typedef struct i2s_s | i2s_t
void | i2s_deinit (i2s_t *obj)
| Deinitializes the I2S device, include function/interrupt/I2S registers. More...
void | i2s_set_dma_buffer (i2s_t *obj, char *tx_buf, char *rx_buf, uint32_t page_num, uint32_t page_size)
| Sets page number, page size, page address. More...
void | i2s_tx_irq_handler (i2s_t *obj, i2s_irq_handler handler, uint32_t id)
| Sets TX interrupt handler. More...
void | i2s_rx_irq_handler (i2s_t *obj, i2s_irq_handler handler, uint32_t id)
| Sets RX interrupt handler. More...
void | i2s_set_direction (i2s_t *obj, int trx_type)
| Sets i2s data transfer direction. More...
void | i2s_set_param (i2s_t *obj, int channel_num, int rate, int word_len)
| Sets i2s channel number, sample rate, word length. More...
int * | i2s_get_tx_page (i2s_t *obj)
| Gets current tx page address. More...
void | i2s_send_page (i2s_t *obj, uint32_t *pbuf)
| Sets current tx page own by i2s. More...
void | i2s_recv_page (i2s_t *obj)
| Sets current rx page own by i2s. More...
void | i2s_enable (i2s_t *obj)
| Enable i2s interrupt and function. More...
void | i2s_disable (i2s_t *obj)
| Disable i2s interrupt and function. More...

## Detailed Description

This file provides following mbed I2S 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.