初版

2025-12-03 11:12:34 +08:00
parent c23ae4f24c
commit bc195654bf
8163 changed files with 3799544 additions and 92 deletions
@@ -0,0 +1,49 @@
+#ifndef _AUD_PDM_H_
+#define _AUD_PDM_H_
+
+#include "generic/typedef.h"
+
+typedef enum {
+    DIGITAL_MIC_DATA,
+    ANALOG_MIC_DATA,
+} PLNK_MIC_SEL;
+
+/*通道0输入模式选择*/
+typedef enum {
+    DATA0_SCLK_RISING_EDGE,
+    DATA0_SCLK_FALLING_EDGE,
+    DATA1_SCLK_RISING_EDGE,
+    DATA1_SCLK_FALLING_EDGE,
+} PLNK_CH_MD;
+
+struct plnk_ch_cfg {
+    u8 en;
+    PLNK_CH_MD mode;
+    PLNK_MIC_SEL mic_type;
+};
+
+struct plnk_data_cfg {
+    u8 en;
+    u8 io;
+};
+
+typedef struct _PLNK_PARM {
+    u8 sclk_io;						//时钟IO
+    u32 sclk_fre;					//时钟频率推荐2M
+    struct plnk_ch_cfg ch_cfg[4];		//通道内部配置
+    struct plnk_data_cfg data_cfg[4];		//数据IO配置
+    u8 ch_num;		/*使能多少个通道*/
+    u32 sr;			/*采样率*/
+    u32 dma_len;	/*一次中断byte数*/
+    void *buf;
+    void (*isr_cb)(void *priv, void *buf, u32 len);
+    void *private_data;			//音频私有数据
+} PLNK_PARM;
+
+void *plnk_init(void *hw_plink);
+void plnk_start(void *hw_plink);
+void plnk_stop(void *hw_plink);
+void plnk_uninit(void *hw_plink);
+
+
+#endif/*_AUD_PDM_H_*/