89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
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* Copyright (c) XMEDIA. All rights reserved.
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*/
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#ifndef __XMEDIA_I2C_H__
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#define __XMEDIA_I2C_H__
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif
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#endif /* __cplusplus */
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typedef struct I2C_DATA_S
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{
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unsigned char dev_addr;
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unsigned int reg_addr;
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unsigned int addr_byte_num;
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unsigned int data;
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unsigned int data_byte_num;
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}I2C_DATA_S ;
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#define READ_OPERATION (1)
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#define WRITE_OPERATION 0xfe
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#define CMD_I2C_WRITE 0x01
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#define CMD_I2C_READ 0x03
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/* I2C_CTRL_REG */
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#define I2C_ENABLE (1 << 8)
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#define I2C_UNMASK_TOTAL (1 << 7)
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#define I2C_UNMASK_START (1 << 6)
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#define I2C_UNMASK_END (1 << 5)
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#define I2C_UNMASK_SEND (1 << 4)
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#define I2C_UNMASK_RECEIVE (1 << 3)
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#define I2C_UNMASK_ACK (1 << 2)
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#define I2C_UNMASK_ARBITRATE (1<< 1)
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#define I2C_UNMASK_OVER (1 << 0)
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#define I2C_UNMASK_ALL (I2C_UNMASK_START | I2C_UNMASK_END | \
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I2C_UNMASK_SEND | I2C_UNMASK_RECEIVE | \
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I2C_UNMASK_ACK | I2C_UNMASK_ARBITRATE | \
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I2C_UNMASK_OVER)
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/* I2C_COM_REB */
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#define I2C_SEND_ACK (~(1 << 4))
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#define I2C_START (1 << 3)
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#define I2C_READ (1 << 2)
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#define I2C_WRITE (1 << 1)
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#define I2C_STOP (1 << 0)
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/* I2C_ICR_REG */
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#define I2C_CLEAR_START (1 << 6)
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#define I2C_CLEAR_END (1 << 5)
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#define I2C_CLEAR_SEND (1 << 4)
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#define I2C_CLEAR_RECEIVE (1 << 3)
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#define I2C_CLEAR_ACK (1 << 2)
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#define I2C_CLEAR_ARBITRATE (1 << 1)
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#define I2C_CLEAR_OVER (1 << 0)
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#define I2C_CLEAR_ALL (I2C_CLEAR_START | I2C_CLEAR_END | \
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I2C_CLEAR_SEND | I2C_CLEAR_RECEIVE | \
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I2C_CLEAR_ACK | I2C_CLEAR_ARBITRATE | \
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I2C_CLEAR_OVER)
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/* I2C_SR_REG */
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#define I2C_BUSY (1 << 7)
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#define I2C_START_INTR (1 << 6)
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#define I2C_END_INTR (1 << 5)
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#define I2C_SEND_INTR (1 << 4)
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#define I2C_RECEIVE_INTR (1 << 3)
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#define I2C_ACK_INTR (1 << 2)
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#define I2C_ARBITRATE_INTR (1 << 1)
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#define I2C_OVER_INTR (1 << 0)
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int XMEDIA_I2C_WriteConfig(unsigned char dev_addr);
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int XMEDIA_I2C_Write(unsigned char dev_addr, unsigned int reg_addr,
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unsigned int addr_byte_num, unsigned int data, unsigned int data_byte_num);
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int XMEDIA_I2C_Read (unsigned char dev_addr, unsigned int reg_addr,
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unsigned int addr_byte_num, unsigned int data_byte_num);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif
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#endif /* __cplusplus */
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#endif
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