unsigned char gps_get_status(void)
{
unsigned char data[GPS_STATUS_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_STATUS_ID);
for(i=0;i<(GPS_STATUS_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
return data[2];
}
float gps_get_latitude(void)
{
unsigned char data[GPS_LATITUDE_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_LATITUDE_ID);
for(i=0;i<(GPS_LATITUDE_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
return atof(&data[2]);
}
unsigned char gps_get_sate_in_veiw(void)
{
unsigned char data[GPS_SATE_IN_VIEW_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_SATE_IN_VIEW_ID);
for(i=0;i<(GPS_SATE_IN_VIEW_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
return data[2];
}
unsigned char gps_get_position_fix(void)
{
unsigned char data[GPS_POSITION_FIX_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_POSITION_FIX_ID);
for(i=0;i<(GPS_POSITION_FIX_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
return data[2];
}
VMUINT8 led_matrix_check_on_line()
{
VMUINT8 DataBuf[4] = {0};
dlc_i2c_configure(LEDAddress, 100);
DataBuf[0] = dlc_i2c_receive_byte(NULL);
DataBuf[1] = dlc_i2c_receive_byte(NULL);
DataBuf[2] = dlc_i2c_receive_byte(NULL);
DataBuf[3] = dlc_i2c_receive_byte(NULL);
//m_log_info("led matrix check data is %x %x %x %x",DataBuf[0],DataBuf[1],DataBuf[2],DataBuf[3]);
if(DataBuf[3] == LEDAddress)
{
//vm_log_info("led matrix is on line.");
return TRUE;
}
else
{
//vm_log_info("led matrix is not on line.");
return FALSE;
}
}
unsigned char gps_get_ew(void)
{
unsigned char data[GPS_EW_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_EW_ID);
for(i=0;i<(GPS_EW_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
if(data[2] == 'E' || data[2] == 'W')return data[2];
else return data[2] = '-';
}
unsigned char gps_check_online(void)
{
unsigned char data[GPS_SCAN_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_SCAN_ID);
for(i=0;i<(GPS_SCAN_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
if(data[5] == GPS_DEVICE_ADDR)return 1;
else return 0;
}
unsigned char* gps_get_utc_date_time(void)
{
unsigned char data[GPS_UTC_DATE_TIME_SIZE+2];
unsigned char i;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_UTC_DATE_TIME_ID);
for(i=0;i<(GPS_UTC_DATE_TIME_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
for(i=0;i<GPS_UTC_DATE_TIME_SIZE;i++)
gps_utc_date_time[i] = data[i+2];
return gps_utc_date_time;
}
unsigned char gps_get_sate_used(void)
{
unsigned char data[GPS_SATE_USED_SIZE+2];
unsigned char i;
unsigned char value;
dlc_i2c_configure(GPS_DEVICE_ADDR, 100);
dlc_i2c_send_byte(GPS_SATE_USED_ID);
for(i=0;i<(GPS_SATE_USED_SIZE+2);i++)
{
data[i] = dlc_i2c_receive_byte();
}
if(data[3] >= '0' && data[3] <= '9')value = (data[3] - '0') * 10;
else value = 0;
if(data[2] >= '0' && data[2] <= '9')value += (data[2] - '0');
else value += 0;
return value;
}
