Syntax
typedef struct {
  VMUINT8* in_data_ptr;
  VMUINT32 in_data_length;
  VMUINT8* out_data_ptr;
  VMUINT32 out_data_length;
} vm_dcl_i2c_control_write_and_read_t;
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vm_dcl_i2c_control_write_and_read_t
Example
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Syntax
typedef struct {
  VMUINT8* in_data_ptr;
  VMUINT32 in_data_length;
  VMUINT8* out_data_ptr;
  VMUINT32 out_data_length;
} vm_dcl_i2c_control_write_and_read_t;
Description

vm_dcl_i2c_control_write_and_read_t indicates the I2C_CMD_WRITE_AND_READ command.

Example
 VM_DCL_HANDLE i2c_handle;
 vm_dcl_i2c_control_config_t conf_data;
 vm_dcl_i2c_control_write_and_read_t write_and_read_data;
 vm_i2c_ctrl_cont_read_t  read_data;
 VM_DCL_BUFF_LEN len;
 VMUINT8 i2c_write_data[20] = {0x56,0x78,0x00};
 VMUINT8 i2c_read_data[20] = {0x0};
i2c_handle = vm_dcl_open(VM_DCL_I2C,0);
if(VM_DCL_HANDLE_INVALID==i2c_handle) return;
conf_data.reserved_0 = 0;
conf_data.transaction_mode = VM_DCL_I2C_TRANSACTION_FAST_MODE;
conf_data.get_handle_wait = 0;
conf_data.reserved_1 = 0;
conf_data.delay_length = 0;
conf_data.slave_address = 0x98;
conf_data.fast_mode_speed = 400;
conf_data.high_mode_speed = 0;
vm_dcl_control(i2c_handle,VM_DCL_I2C_CMD_CONFIG,(void *)&conf_data);
write_and_read_data.out_data_ptr = i2c_write_data;
 write_and_read_data.out_data_length = 20;
write_and_read_data.in_data_ptr = i2c_read_data;
 write_and_read_data.in_data_length = 20;
vm_dcl_control(i2c_handle,I2C_CMD_WRITE_AND_READ,(void *)&write_and_read_data);
 //To do something with the handle.
File

vmdcl_i2c.h

Members
Members 
Description 
VMUINT8* in_data_ptr; 
The pointer to the read data. 
VMUINT32 in_data_length; 
The read data length. Please note: this length should not exceed 8. 
VMUINT8* out_data_ptr; 
The pointer to the write data. 
VMUINT32 out_data_length; 
The write data length. Please note: this length should not exceed 8. 
Group

Structs, Records, Enums

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