H文件：
#ifndef _NEO_6M_
#define _NEO_6M_
#include "global.h"
//UBLOX NEO-6M 配置(清除,保存,加载等)结构体
__packed typedef struct
{
unsigned short header; //cfg header,固定为0X62B5(小端模式)
unsigned short id; //CFG CFG ID:0X0906 (小端模式)
unsigned short dlength; //数据长度 12/13
unsigned int clearmask; //子区域清除掩码(1有效)
unsigned int savemask; //子区域保存掩码
unsigned int loadmask; //子区域加载掩码
unsigned char devicemask; //目标器件选择掩码 b0:BK RAM;b1:FLASH;b2,EEPROM;b4,SPI FLASH
unsigned char cka; //校验CK_A
unsigned char ckb; //校验CK_B
}_ublox_cfg_cfg;
//UBLOX NEO-6M UART端口设置结构体
__packed typedef struct
{
unsigned short header; //cfg header,固定为0X62B5(小端模式)
unsigned short id; //CFG PRT ID:0X0006 (小端模式)
unsigned short dlength; //数据长度 20
unsigned char portid; //端口号,0=IIC;1=UART1;2=UART2;3=USB;4=SPI;
unsigned char reserved; //保留,设置为0
unsigned short txready; //TX Ready引脚设置,默认为0
unsigned int mode; //串口工作模式设置,奇偶校验,停止位,字节长度等的设置.
unsigned int baudrate; //波特率设置
unsigned short inprotomask; //输入协议激活屏蔽位 默认设置为0X07 0X00即可.
unsigned short outprotomask; //输出协议激活屏蔽位 默认设置为0X07 0X00即可.
unsigned short reserved4; //保留,设置为0
unsigned short reserved5; //保留,设置为0
unsigned char cka; //校验CK_A
unsigned char ckb; //校验CK_B
}_ublox_cfg_prt;
//UBLOX NEO-6M 刷新速率配置结构体
__packed typedef struct
{
unsigned short header; //cfg header,固定为0X62B5(小端模式)
unsigned short id; //CFG RATE ID:0X0806 (小端模式)
unsigned short dlength; //数据长度
unsigned short measrate; //测量时间间隔，单位为ms，最少不能小于200ms（5Hz）
unsigned short navrate; //导航速率（周期），固定为1
unsigned short timeref; //参考时间：0=UTC Time；1=GPS Time；
unsigned char cka; //校验CK_A
unsigned char ckb; //校验CK_B
}_ublox_cfg_rate;
unsigned char Ublox_Cfg_Prt(unsigned int baudrate);
unsigned char Ublox_Cfg_Cfg_Save(void);
void Ublox_Send_Date(unsigned char* dbuf,unsigned short len);
void NMEA_GPGGA_Analysis(GPS_PacketTypeDef *GPS_Packet,unsigned char *buf);
unsigned char Ublox_Cfg_Rate(unsigned short measrate,unsigned char reftime);
u8 GPS_Check(u8 *buff);
#endif
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