34 lines
952 B
C
34 lines
952 B
C
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#ifdef __RAND_FROM_MIC__
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#ifndef __RANDFROMMIC_H__
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#define __RANDFROMMIC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define RANDOM_CAPTURE_BUFFER_SIZE 512
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// random module state machine
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typedef enum {
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RAND_STATUS_CLOSE = 0x00, // initial state
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RAND_STATUS_OPEN = 0x01, // indicate MIC has been started by random module
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RAND_STATUS_MIC_STARTED = 0x02, // indicate MIC has been started
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RAND_STATUS_MIC_OPENED = 0x03, // indicate MIC has been opened but not start
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RAND_STATUS_NUM = 0x0F
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}RAND_STATUS_E;
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typedef struct{
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uint8_t skipRound; // used to indicate the number of rounds should be skipped to avoid all zero value
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RAND_STATUS_E status;
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}__attribute__ ((__packed__))RAND_NUMBER_T;
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void initSeed(void);
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void random_status_sync(void);
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void random_data_process(uint8_t *buf, uint32_t len,enum AUD_BITS_T bits, enum AUD_CHANNEL_NUM_T ch_num);
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void randInit(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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