pure sdk for main

sdk/app/audio_app/hal_i2s_audio.h

@@ -0,0 +1,62 @@
+#ifndef __AUDIO_8311_H
+#define __AUDIO_8311_H
+#include "hal/i2s.h"
+
+#define PLAY_MODE	0
+#define MIC_MODE	1
+
+
+typedef void *(*audio_i2s_set_buf)(void *priv_el,void *el_point,int *buf_size);
+typedef void (*audio_i2s_get_buf)(void *priv_el,void *el_point, int *buf_size);
+typedef int32 (*i2s_irq_func)(struct i2s_device *i2s, void* buf, uint32 len);
+
+
+enum
+{
+	I2S_OK,
+	I2S_CONFIG_NULL,//
+	I2S_DEV_NULL,//
+	I2S_PLAY_EMPTY_BUF_NULL,
+	I2S_REGISTER_FUNC_NULL,
+	I2S_MIC_FIRST_BUF_NULL,
+}I2S_ERR;
+
+
+
+//在有mic和喇叭的时候,sample_freq与sample_bit应该要一致,所以只有一个是有效值,默认是以喇叭的配置为准
+typedef struct audio_i2s_config
+{
+	//无需用户配置
+	struct i2s_device *i2s_dev;
+	void 	*current_node;
+	void 	*reg_node;
+	i2s_irq_func irq_func;
+
+	//用户配置
+	uint8	type;	//0:喇叭   1:麦克风
+	int		i2s_devid;
+	int		sample_freq;
+	int		sample_bit;	
+	int		data_fmt;			//I2S_DATA_FMT_I2S   I2S_DATA_FMT_MSB  I2S_DATA_FMT_LSB   I2S_DATA_FMT_PCM
+	void 	*play_empty_buf;	//作为喇叭的时候,需要配置,size与buf_size一致,可以是malloc也可以是固定,如果是malloc,需要自己去free
+	int 	 buf_size;			
+	audio_i2s_set_buf set_buf;
+	audio_i2s_get_buf get_buf;
+	void *priv_el;
+	
+}audio_i2s_config;
+
+
+
+
+
+
+
+
+int audio_8311_init(int i2c_devid) ;
+int audio_i2s_install(audio_i2s_config *play_config,audio_i2s_config *mic_config);
+int audio_i2s_uninstall(audio_i2s_config *play_config,audio_i2s_config *mic_config);
+
+
+
+#endif