NMEA_Lib-0.0.1.tar.gz_NMEA_NMEACAN_NMEAfile_nmeadecode

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共163个文件

c：79个

h：78个

readme：1个

NMEA (National Marine Electronics Association) 协议是一种广泛使用的全球定位系统（GPS）和其他导航设备的数据交换标准。这个"**NMEA_Lib-0.0.1.tar.gz**"文件是一个包含NMEA协议解析库的压缩包，版本为0.0.1。此库专门设计用于处理NMEA CAN（控制器局域网络）数据，同时也支持处理标准的NMEA文件。通过解码NMEA数据，开发者可以获取到GPS接收器提供的位置、速度、时间等关键信息。压缩包中的几个关键源代码文件如下： 1. **NMEA_ParseUtil.c**：这是解析NMEA数据的核心工具，它包含了一系列函数，用于识别和解释NMEA语句的不同部分。这些语句通常以"$"开头，后面跟着特定的句子类型（如GGA，GSA等），接着是数据字段，最后是两个星号表示的校验和。NMEA_ParseUtil.c可能包含解析这些字段并转换为有用信息的函数。 2. **makecode.c**：这个名字可能是指构建或编译代码的辅助程序，可能包含用于生成目标可执行文件或库的构建脚本或函数。 3. **NMEA_GSA.c**：GSA（Global Positioning System Satellite Status Assessment）是NMEA协议中的一个特定语句，提供了卫星定位信息，包括使用的卫星数量、定位模式（自动/手动）、PDOP（定位精度分量）等。这个文件可能是专门处理GSA语句的解析和处理逻辑。 4. **NMEA_DCN.c**：DCN可能代表“动态控制节点”，但NMEA协议中并没有标准的DCN语句。这可能是开发人员自定义的一个功能，用于处理与车辆动态控制或导航相关的数据。 5. **NMEA_APB.c**：同样，APB（Automatic Position with Best Available Time）也不是NMEA标准的一部分。可能这是开发者创建的自定义语句，用于提供基于最佳可用时间的自动位置信息。 6. **NMEA_ALM.c**：ALM（Almanac Data）语句包含了GPS卫星的星历数据，这些数据对于计算卫星的位置和预测其未来位置是必要的。 7. **NMEA_GGA.c**：GGA（Global Positioning System Fix Data）语句提供了基本的GPS定位信息，包括纬度、经度、高度、时间和定位质量等。 8. **NMEA_GLC.c**：GLC（Geographic Position – Loran-C）可能用于处理Loran-C导航系统的数据，虽然Loran-C已不再广泛使用，但在某些特定场景下可能仍有应用。 9. **NMEA_LCD.c**：根据上下文推测，LCD可能是“Local Coordinate Datum”的缩写，可能用于处理本地坐标系与WGS84（世界大地测量系统）之间的转换。 10. **NMEA_RMB.c**：RMB（Recommended Minimum Navigation Information）提供了推荐的最低导航信息，包括航线、偏离、航向等。这些源代码文件共同构成了一个NMEA协议解码库，可以用于读取和解析来自CAN总线或NMEA文件的定位数据，进而用于车载导航系统、跟踪设备或任何需要GPS信息的应用。通过这个库，开发者可以轻松地集成和理解复杂的NMEA数据流，提高他们的应用程序在处理GPS数据时的效率和准确性。

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NMEA_Lib-0.0.1.tar.gz_NMEA_NMEA CAN_NMEA file_nmea decode_nmea.l （163个子文件）

NMEA_ParseUtil.c 12KB

makecode.c 11KB

NMEA_GSA.c 5KB

NMEA_DCN.c 5KB

NMEA_APB.c 4KB

NMEA_ALM.c 4KB

NMEA_GGA.c 4KB

NMEA_GLC.c 4KB

NMEA_LCD.c 4KB

NMEA_RMB.c 4KB

NMEA_TTM.c 4KB

NMEA_RSD.c 4KB

NMEA_TRF.c 3KB

NMEA_BWC.c 3KB

NMEA_BEC.c 3KB

NMEA_BWR.c 3KB

NMEA_Test.c 3KB

NMEA_APA.c 3KB

NMEA_RMA.c 3KB

NMEA_RMC.c 3KB

NMEA_OSD.c 3KB

NMEA_VWR.c 3KB

NMEA_VHW.c 3KB

NMEA_VTG.c 2KB

NMEA_GSV.c 2KB

NMEA_VBW.c 2KB

NMEA_GXA.c 2KB

NMEA_WNC.c 2KB

NMEA_XTE.c 2KB

NMEA_ZDA.c 2KB

NMEA_HDG.c 2KB

NMEA_BOD.c 2KB

NMEA_BWW.c 2KB

NMEA_OLN.c 2KB

NMEA_GLL.c 2KB

NMEA_VDR.c 2KB

NMEA_DBK.c 2KB

NMEA_DBT.c 2KB

NMEA_DBS.c 2KB

NMEA_RPM.c 2KB

NMEA_AAM.c 2KB

NMEA_GTD.c 2KB

NMEA_VLW.c 2KB

NMEA_WPL.c 2KB

NMEA_MWV.c 2KB

NMEA_RSA.c 2KB

NMEA_RTE.c 2KB

NMEA_FSI.c 2KB

NMEA_XDR.c 2KB

NMEA_SFI.c 2KB

NMEA_VPW.c 2KB

NMEA_HSC.c 2KB

NMEA_XTR.c 1KB

NMEA_ZTG.c 1KB

NMEA_ZFO.c 1KB

NMEA_WCV.c 1KB

NMEA_DPT.c 1KB

NMEA_MTW.c 1KB

NMEA_HDM.c 1KB

NMEA_HDT.c 1KB

NMEA_ROT.c 1KB

NMEA_STN.c 894B

NMEA_R00.c 876B

NMEA_DSE.c 868B

NMEA_DTM.c 868B

NMEA_ASD.c 868B

NMEA_TLL.c 868B

NMEA_DSI.c 868B

NMEA_MSK.c 868B

NMEA_MSS.c 868B

NMEA_WDR.c 868B

NMEA_DSR.c 868B

NMEA_GST.c 868B

NMEA_DSC.c 868B

NMEA_GBS.c 868B

NMEA_MWD.c 868B

NMEA_GRS.c 868B

NMEA_WDC.c 868B

NMEA_Checksum.c 562B

NMEA_Types.h 22KB

NMEA_Lib.h 6KB

NMEA_Enums.h 3KB

NMEA_GSA.h 996B

NMEA_DCN.h 953B

NMEA_APB.h 903B

NMEA_GLC.h 902B

NMEA_LCD.h 891B

NMEA_GGA.h 885B

NMEA_ALM.h 866B

NMEA_RMB.h 832B

NMEA_TTM.h 767B

NMEA_RSD.h 703B

NMEA_APA.h 702B

NMEA_TRF.h 687B

NMEA_BWC.h 679B

NMEA_BEC.h 676B

NMEA_BWR.h 675B

NMEA_RMA.h 671B

NMEA_RMC.h 662B

NMEA_VWR.h 587B

共 163 条

#include <stdlib.h> #include <string.h> #include "NMEA_Lib.h" void sentenceToWPID(char * sentence, UINT32 * uint32_ptr, WPID * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint32_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint32_ptr = 0; } return; } void sentenceToUTC(char * sentence, UINT32 * uint32_ptr, UTC * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint32_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint32_ptr = 0; } return; } void sentenceToPOINT(char * sentence, POINTPTR point_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while('.' != sentence[*sentence_index]) { sub_str[i] = sentence[(*sentence_index)]; (*sentence_index)++; i++; } sub_str[i] = '\0'; point_ptr->x = atoi(sub_str); i = 0; (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[i] = sentence[*sentence_index]; (*sentence_index)++; i++; } sub_str[i] = '\0'; point_ptr->y = atoi(sub_str); } else { (*sentence_index)++; point_ptr->x = 0; point_ptr->y = 0; } return; } void sentenceToUINT32(char * sentence, UINT32 * uint32_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint32_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint32_ptr = 0; } return; } void sentenceToUINT16(char * sentence, UINT16 * uint16_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint16_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint16_ptr = 0; } return; } void sentenceToUINT8(char * sentence, UINT8 * uint8_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint8_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint8_ptr = 0; } return; } void sentenceToCHAR(CHAR * sentence, CHAR * char_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; *char_ptr = sentence[(*sentence_index)++]; } else { (*sentence_index)++; } return; } void sentenceToWAYPOINT(CHAR * sentence, CHAR * waypoint_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; strncpy(waypoint_ptr, sentence+(*sentence_index), 4)[4] = '\0'; *sentence_index += 5; } else { (*sentence_index)++; waypoint_ptr[0] = '\0'; } return; } void sentenceToDATE(CHAR * sentence, DATE * date_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; strncpy(date_ptr, sentence+(*sentence_index), 6)[6] = '\0'; *sentence_index += 6; } else { (*sentence_index)++; date_ptr[0] = '\0'; } return; } void sentenceToTIME(CHAR * sentence, CHAR * time_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT32 str_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { /*assert(isdigit(sentence[4]));*/ (*sentence_index)++; while(',' != sentence[*sentence_index]) { time_ptr[str_index] = sentence[*sentence_index]; (*sentence_index)++; str_index++; } time_ptr[str_index] = '\0'; } else { (*sentence_index)++; time_ptr[0] = '\0'; } return; } void sentenceToBOOL(char * sentence, BOOL * char_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; *char_ptr = sentence[(*sentence_index)++]; } else { (*sentence_index)++; } return; } void sentenceFromBOOL(char * sentence, BOOL * char_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; *char_ptr = sentence[(*sentence_index)++]; } else { (*sentence_index)++; } return; } void sentenceFromWPID(char * sentence, WPID * uint32_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint32_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint32_ptr = 0; } return; } void sentenceFromUTC(char * sentence, UTC * uint32_ptr, UINT32 * sentence_index, UINT32 position, UINT32 * flags) { UINT8 i = 0; CHAR sub_str[15]; UINT32 subsentence_index = 0; if(',' == sentence[*sentence_index] && ',' != sentence[*sentence_index+1]) { (*sentence_index)++; while(',' != sentence[*sentence_index]) { sub_str[subsentence_index++] = sentence[(*sentence_index)++]; } *uint32_ptr = atoi(sub_str); } else { (*sentence_index)++; *uint32_ptr = 0; } return; } void sentenceFromPOINT(char * sentence, POINTPTR point_ptr, UINT32 * sentence_index, UINT32 posit