31 lines
792 B
C
Executable File
31 lines
792 B
C
Executable File
#include"xmedia_type.h"
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#include"xmedia_errcode.h"
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#include"i2c.h"
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#include "compile.h"
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#define REG_ADDR_MAX_WIDTH 2//16BIT
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STAGE1_FUNC xmedia_s32 i2c_read(xmedia_s32 fd, xmedia_u16 slave_addr, xmedia_u32 read_addr,
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xmedia_u8 addr_width, xmedia_u8 *buff, xmedia_u32 length)
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{
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struct i2c_client client;
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if(addr_width > REG_ADDR_MAX_WIDTH){
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return XMEDIA_ERRCODE_NOT_SUPPORT;
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}
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client.i2c_num = fd;
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client.dev_addr = slave_addr >> 1;
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client.reg_addr = read_addr;
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client.reg_width = addr_width;
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return i2c_recv(&client, buff, length);
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}
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STAGE1_FUNC xmedia_s32 i2c_write(xmedia_s32 fd, xmedia_u16 slave_addr, xmedia_u8 *buff, xmedia_u32 length)
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{
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return i2c_send(fd, slave_addr >> 1, (xmedia_void *)buff, length);
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}
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