GPS_Logger_v1 - GPS Data Logger with SD File system. Logger can s…

Users » kenjiArai » Code » GPS_Logger_v1

Kenji Arai / Mbed 2 deprecated GPS_Logger_v1

GPS Data Logger with SD File system. Logger can save RMC & GGA data from GPS and five channels of analog data. Based on http://mbed.org/users/prf/ "GPS_Logger_01" by Peter Forden

Dependencies: mbed

main.cpp@0:dc3be3264d2d, 2010-04-17 (annotated)

Committer:: kenjiArai
Date:: Sat Apr 17 13:27:34 2010 +0000
Revision:: 0:dc3be3264d2d

Who changed what in which revision?

User	Revision	Line number	New contents of line
kenjiArai	0:dc3be3264d2d	1	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	2	// GPS DATA LOGGER Ver.1
kenjiArai	0:dc3be3264d2d	3	// (c)2010 Kenji Arai / JH1PJL
kenjiArai	0:dc3be3264d2d	4	// http://www.page.sannet.ne.jp/kenjia/index.html
kenjiArai	0:dc3be3264d2d	5	// http://mbed.org/users/kenjiArai/
kenjiArai	0:dc3be3264d2d	6	// April 17th,2010 Started
kenjiArai	0:dc3be3264d2d	7	// April 17th,2010
kenjiArai	0:dc3be3264d2d	8	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	9	// Reference ----- GPS_logger_01 by Peter Foden ------
kenjiArai	0:dc3be3264d2d	10	// http://mbed.org/users/prf/
kenjiArai	0:dc3be3264d2d	11	// http://mbed.org/users/prf/programs/GPS_Logger_01/f5c2b003ae38423640de0fc5e0727190/
kenjiArai	0:dc3be3264d2d	12	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	13	// Function
kenjiArai	0:dc3be3264d2d	14	// GPS data and five channeles ADC data records into a file which is located in SD-Card
kenjiArai	0:dc3be3264d2d	15	// Connection
kenjiArai	0:dc3be3264d2d	16	// GPS receiver PIN 8,9
kenjiArai	0:dc3be3264d2d	17	// Analog input PIN 15,16,17,19,20
kenjiArai	0:dc3be3264d2d	18	// SD Card I/F PIN 11,12,13,14
kenjiArai	0:dc3be3264d2d	19	// LCD PIN 5,6,7,21,22,23
kenjiArai	0:dc3be3264d2d	20	// -> CAUTION!! pin assignment is different
kenjiArai	0:dc3be3264d2d	21	// with " http://mbed.org/projects/cookbook/wiki/TextLCD "
kenjiArai	0:dc3be3264d2d	22	// RTC PIN 3 needs to connect 3V Battery
kenjiArai	0:dc3be3264d2d	23	// -> Please refer my program " RTC_w_COM" for time adjustment
kenjiArai	0:dc3be3264d2d	24	// at " http://mbed.org/users/kenjiArai/programs/RTC_w_COM/5yi9a/ "
kenjiArai	0:dc3be3264d2d	25	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	26	#include "mbed.h"
kenjiArai	0:dc3be3264d2d	27	#include "TextLCD.h"
kenjiArai	0:dc3be3264d2d	28	#include "SDFileSystem.h"
kenjiArai	0:dc3be3264d2d	29
kenjiArai	0:dc3be3264d2d	30	// Data logging configration
kenjiArai	0:dc3be3264d2d	31	// Save RMC any condition
kenjiArai	0:dc3be3264d2d	32	#define CONFG_ANA 1 // 1= Save Analog data
kenjiArai	0:dc3be3264d2d	33	#define DEBUG 1 // 1= Shows progress on PC via USB ( virtual COM line)
kenjiArai	0:dc3be3264d2d	34	#define USE_LCD 1 // 1= Display the data on LCD
kenjiArai	0:dc3be3264d2d	35
kenjiArai	0:dc3be3264d2d	36	// Commands for GPS to turn on or off data strings
kenjiArai	0:dc3be3264d2d	37	#define RMC_ON "$PSRF103,4,0,1,1*21\r\n"
kenjiArai	0:dc3be3264d2d	38	#define RMC_OFF "$PSRF103,4,0,0,1*20\r\n"
kenjiArai	0:dc3be3264d2d	39	#define GGA_ON "$PSRF103,0,0,1,1*25\r\n"
kenjiArai	0:dc3be3264d2d	40	#define GGA_OFF "$PSRF103,0,0,0,1*24\r\n"
kenjiArai	0:dc3be3264d2d	41	#define GSA_ON "$PSRF103,2,0,1,1*27\r\n"
kenjiArai	0:dc3be3264d2d	42	#define GSA_OFF "$PSRF103,2,0,0,1*26\r\n"
kenjiArai	0:dc3be3264d2d	43	#define GSV_ON "$PSRF103,3,0,1,1*26\r\n"
kenjiArai	0:dc3be3264d2d	44	#define GSV_OFF "$PSRF103,3,0,0,1*27\r\n"
kenjiArai	0:dc3be3264d2d	45	#define WAAS_ON "$PSRF151,1*3F\r\n"
kenjiArai	0:dc3be3264d2d	46	#define WAAS_OFF "$PSRF151,0*3E\r\n"
kenjiArai	0:dc3be3264d2d	47
kenjiArai	0:dc3be3264d2d	48	// kind of GPS data
kenjiArai	0:dc3be3264d2d	49	#define NONE 0
kenjiArai	0:dc3be3264d2d	50	#define RMC 1
kenjiArai	0:dc3be3264d2d	51	#define GGA 2
kenjiArai	0:dc3be3264d2d	52	#define GSA 3
kenjiArai	0:dc3be3264d2d	53	#define GSV 4
kenjiArai	0:dc3be3264d2d	54
kenjiArai	0:dc3be3264d2d	55	// SD Recording status
kenjiArai	0:dc3be3264d2d	56	#define IDLE 0
kenjiArai	0:dc3be3264d2d	57	#define RECD 1
kenjiArai	0:dc3be3264d2d	58	#define SD_FAIL 0xff
kenjiArai	0:dc3be3264d2d	59
kenjiArai	0:dc3be3264d2d	60	// Buffer size
kenjiArai	0:dc3be3264d2d	61	#define BSIZ 256
kenjiArai	0:dc3be3264d2d	62
kenjiArai	0:dc3be3264d2d	63	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	64	// Set up hardware
kenjiArai	0:dc3be3264d2d	65	// MBED USB port used for console debug messages
kenjiArai	0:dc3be3264d2d	66	// SZP950T GPS unit connects to UART
kenjiArai	0:dc3be3264d2d	67	// LED & Switch
kenjiArai	0:dc3be3264d2d	68	// 40chr x 2 line Text LCD
kenjiArai	0:dc3be3264d2d	69	// SD card interface
kenjiArai	0:dc3be3264d2d	70	// Analog input
kenjiArai	0:dc3be3264d2d	71	// G-sensor data, Baterry volt, Temperature sensor data
kenjiArai	0:dc3be3264d2d	72	#if DEBUG
kenjiArai	0:dc3be3264d2d	73	Serial pc(USBTX, USBRX); // tx, rx - Default 9600 baud
kenjiArai	0:dc3be3264d2d	74	#endif
kenjiArai	0:dc3be3264d2d	75	Serial gps(p9, p10); // tx, rx - 4800 baud required
kenjiArai	0:dc3be3264d2d	76	DigitalOut RCV_GPS(LED1); // Receive GPS data
kenjiArai	0:dc3be3264d2d	77	DigitalOut GPS_LOCK(LED2); // GPS got valid data
kenjiArai	0:dc3be3264d2d	78	DigitalOut ON_REC(LED4); // Data sent LED
kenjiArai	0:dc3be3264d2d	79	DigitalIn SW_REC(p26); // Data recode switch
kenjiArai	0:dc3be3264d2d	80	#if USE_LCD
kenjiArai	0:dc3be3264d2d	81	TextLCD lcd(p22, p23, p21, p8, p7, p6, p5, 40, 2); // rs,rw,e,d0,d1,d2,d3,40char's x 2 lines
kenjiArai	0:dc3be3264d2d	82	#endif
kenjiArai	0:dc3be3264d2d	83	SDFileSystem sd(p11, p12, p13, p14, "sd"); // do,di,clk,cs
kenjiArai	0:dc3be3264d2d	84	#if CONFG_ANA
kenjiArai	0:dc3be3264d2d	85	AnalogIn ain_G_X(p15); // G Sensor
kenjiArai	0:dc3be3264d2d	86	AnalogIn ain_G_Y(p16); // G Sensor
kenjiArai	0:dc3be3264d2d	87	AnalogIn ain_G_Z(p17); // G Sensor
kenjiArai	0:dc3be3264d2d	88	AnalogIn ain_BAT(p19); // Battery Volt
kenjiArai	0:dc3be3264d2d	89	AnalogIn ain_TEMP(p20); // Temperature Sensor
kenjiArai	0:dc3be3264d2d	90	#endif
kenjiArai	0:dc3be3264d2d	91
kenjiArai	0:dc3be3264d2d	92	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	93	// Data rea
kenjiArai	0:dc3be3264d2d	94	char msg[BSIZ]; //GPS data buffer
kenjiArai	0:dc3be3264d2d	95	char MsgBuf_RMC[BSIZ]; // GPS/GGA data
kenjiArai	0:dc3be3264d2d	96	char MsgBuf_GGA[BSIZ]; // GPS/RMC data
kenjiArai	0:dc3be3264d2d	97	#if CONFG_ANA
kenjiArai	0:dc3be3264d2d	98	char MsgBuf_ANA[128]; // Analog data buffer
kenjiArai	0:dc3be3264d2d	99	float x,y,z,b,t; // Analog data
kenjiArai	0:dc3be3264d2d	100	#endif
kenjiArai	0:dc3be3264d2d	101	char gps_dat; // Kind of GPS data
kenjiArai	0:dc3be3264d2d	102	char recode_status;
kenjiArai	0:dc3be3264d2d	103	FILE *fp; // File pointer
kenjiArai	0:dc3be3264d2d	104	char buf[40]; // data buffer for text
kenjiArai	0:dc3be3264d2d	105	time_t seconds; // RTC data based on seconds
kenjiArai	0:dc3be3264d2d	106
kenjiArai	0:dc3be3264d2d	107	//-------------------------------------------------------------------------------------------------
kenjiArai	0:dc3be3264d2d	108	// --------------- CONTROL PROGRAM --------------------
kenjiArai	0:dc3be3264d2d	109
kenjiArai	0:dc3be3264d2d	110	// Select GPS data
kenjiArai	0:dc3be3264d2d	111	void setgps() {
kenjiArai	0:dc3be3264d2d	112	gps.printf(RMC_ON); // use RMC
kenjiArai	0:dc3be3264d2d	113	gps.printf(GGA_ON); // use GGA
kenjiArai	0:dc3be3264d2d	114	gps.printf(GSA_OFF);
kenjiArai	0:dc3be3264d2d	115	gps.printf(GSV_OFF);
kenjiArai	0:dc3be3264d2d	116	gps.printf(WAAS_OFF);
kenjiArai	0:dc3be3264d2d	117	return;
kenjiArai	0:dc3be3264d2d	118	}
kenjiArai	0:dc3be3264d2d	119
kenjiArai	0:dc3be3264d2d	120	// Get line of data from GPS
kenjiArai	0:dc3be3264d2d	121	void getline() {
kenjiArai	0:dc3be3264d2d	122	while (gps.getc() != '$'); // Wait for start of line
kenjiArai	0:dc3be3264d2d	123	msg[0] = '$';
kenjiArai	0:dc3be3264d2d	124	#if DEBUG
kenjiArai	0:dc3be3264d2d	125	pc.putc('$');
kenjiArai	0:dc3be3264d2d	126	#endif
kenjiArai	0:dc3be3264d2d	127	for (int i=1; i<512; i++) {
kenjiArai	0:dc3be3264d2d	128	msg[i] = gps.getc();
kenjiArai	0:dc3be3264d2d	129	#if DEBUG
kenjiArai	0:dc3be3264d2d	130	pc.putc(msg[i]);
kenjiArai	0:dc3be3264d2d	131	#endif
kenjiArai	0:dc3be3264d2d	132	if (msg[i] == '\r' \|\| msg[i] == '\n') {
kenjiArai	0:dc3be3264d2d	133	msg[i] = '\r';
kenjiArai	0:dc3be3264d2d	134	msg[i+1] = '\n';
kenjiArai	0:dc3be3264d2d	135	msg[i+2] = 0;
kenjiArai	0:dc3be3264d2d	136	#if DEBUG
kenjiArai	0:dc3be3264d2d	137	pc.printf("\r\n");
kenjiArai	0:dc3be3264d2d	138	#endif
kenjiArai	0:dc3be3264d2d	139	return;
kenjiArai	0:dc3be3264d2d	140	}
kenjiArai	0:dc3be3264d2d	141	}
kenjiArai	0:dc3be3264d2d	142	}
kenjiArai	0:dc3be3264d2d	143
kenjiArai	0:dc3be3264d2d	144	int main(void) {
kenjiArai	0:dc3be3264d2d	145	gps.baud(4800); // baud rate 4800
kenjiArai	0:dc3be3264d2d	146	#if DEBUG
kenjiArai	0:dc3be3264d2d	147	pc.printf("\r\n\r\nGPS logger on mbed by K.Arai/JH1PJL (c)2010\r\n");
kenjiArai	0:dc3be3264d2d	148	#endif
kenjiArai	0:dc3be3264d2d	149	#if USE_LCD
kenjiArai	0:dc3be3264d2d	150	lcd.cls();
kenjiArai	0:dc3be3264d2d	151	lcd.locate(0, 0);
kenjiArai	0:dc3be3264d2d	152	// 1234567890123456789012345678901234567890
kenjiArai	0:dc3be3264d2d	153	lcd.printf("GPS Logger Running! .... ");
kenjiArai	0:dc3be3264d2d	154	#endif
kenjiArai	0:dc3be3264d2d	155	setgps();
kenjiArai	0:dc3be3264d2d	156	while (1) {
kenjiArai	0:dc3be3264d2d	157	RCV_GPS = 1;
kenjiArai	0:dc3be3264d2d	158	getline(); // Get GPS data from UART
kenjiArai	0:dc3be3264d2d	159	if (strncmp(msg, "$GPRMC",6) == 0) {
kenjiArai	0:dc3be3264d2d	160	for (int i=0; i<BSIZ ; MsgBuf_RMC[i++]=0); // Clear buffer
kenjiArai	0:dc3be3264d2d	161	for (int i=0; msg[i] != 0; i++) { // Copy msg to RMC buffer
kenjiArai	0:dc3be3264d2d	162	MsgBuf_RMC[i] = msg[i];
kenjiArai	0:dc3be3264d2d	163	}
kenjiArai	0:dc3be3264d2d	164	gps_dat = RMC;
kenjiArai	0:dc3be3264d2d	165	// Get analog data from each port
kenjiArai	0:dc3be3264d2d	166	#if CONFG_ANA
kenjiArai	0:dc3be3264d2d	167	x=ain_G_X.read();
kenjiArai	0:dc3be3264d2d	168	y=ain_G_Y.read();
kenjiArai	0:dc3be3264d2d	169	z=ain_G_Z.read();
kenjiArai	0:dc3be3264d2d	170	b=ain_BAT.read();
kenjiArai	0:dc3be3264d2d	171	t=ain_TEMP.read();
kenjiArai	0:dc3be3264d2d	172	sprintf(MsgBuf_ANA, "$ANA,%f,%f,%f,%f,%f,,*00\r\n", x, y, z, b, t);
kenjiArai	0:dc3be3264d2d	173	#if DEBUG
kenjiArai	0:dc3be3264d2d	174	pc.printf(MsgBuf_ANA);
kenjiArai	0:dc3be3264d2d	175	#endif
kenjiArai	0:dc3be3264d2d	176	#endif
kenjiArai	0:dc3be3264d2d	177	} else if (strncmp(msg, "$GPGGA",6) == 0) {
kenjiArai	0:dc3be3264d2d	178	for (int i=0; i<BSIZ ; MsgBuf_GGA[i++]=0); // Clear buffer
kenjiArai	0:dc3be3264d2d	179	for (int i=0; msg[i] != 0; i++) { // Copy msg to GGA buffer
kenjiArai	0:dc3be3264d2d	180	MsgBuf_GGA[i] = msg[i];
kenjiArai	0:dc3be3264d2d	181	}
kenjiArai	0:dc3be3264d2d	182	gps_dat = GGA;
kenjiArai	0:dc3be3264d2d	183	} else {
kenjiArai	0:dc3be3264d2d	184	gps_dat = NONE;
kenjiArai	0:dc3be3264d2d	185	}
kenjiArai	0:dc3be3264d2d	186	RCV_GPS = 0;
kenjiArai	0:dc3be3264d2d	187	if (SW_REC){
kenjiArai	0:dc3be3264d2d	188	if (recode_status == RECD){
kenjiArai	0:dc3be3264d2d	189	// Recording -> on going
kenjiArai	0:dc3be3264d2d	190	ON_REC = 1; // LED ON for recording indication
kenjiArai	0:dc3be3264d2d	191	switch(gps_dat){
kenjiArai	0:dc3be3264d2d	192	case RMC: {
kenjiArai	0:dc3be3264d2d	193	fprintf(fp,MsgBuf_RMC); // save data
kenjiArai	0:dc3be3264d2d	194	#if CONFG_ANA
kenjiArai	0:dc3be3264d2d	195	fprintf(fp,MsgBuf_ANA); // save data
kenjiArai	0:dc3be3264d2d	196	#endif
kenjiArai	0:dc3be3264d2d	197	break;
kenjiArai	0:dc3be3264d2d	198	}
kenjiArai	0:dc3be3264d2d	199	case GGA: {
kenjiArai	0:dc3be3264d2d	200	fprintf(fp,MsgBuf_GGA); // save data
kenjiArai	0:dc3be3264d2d	201	break;
kenjiArai	0:dc3be3264d2d	202	}
kenjiArai	0:dc3be3264d2d	203	default: {;}
kenjiArai	0:dc3be3264d2d	204	}
kenjiArai	0:dc3be3264d2d	205	} else if (recode_status == IDLE){
kenjiArai	0:dc3be3264d2d	206	// Start recoding -> File open
kenjiArai	0:dc3be3264d2d	207	seconds = time(NULL);
kenjiArai	0:dc3be3264d2d	208	seconds %= 100000000; // Adjust 8 charcters file name
kenjiArai	0:dc3be3264d2d	209	sprintf(buf,"/sd/%d.txt",seconds); // File name based on time from 1970/1/1
kenjiArai	0:dc3be3264d2d	210	fp = fopen(buf, "w"); // File open
kenjiArai	0:dc3be3264d2d	211	#if DEBUG
kenjiArai	0:dc3be3264d2d	212	pc.printf("\r\n %s \r\n", buf); // File name on the screen
kenjiArai	0:dc3be3264d2d	213	#endif
kenjiArai	0:dc3be3264d2d	214	if(fp == NULL) {
kenjiArai	0:dc3be3264d2d	215	// Try again
kenjiArai	0:dc3be3264d2d	216	fp = fopen(buf, "w");
kenjiArai	0:dc3be3264d2d	217	if(fp == NULL) {
kenjiArai	0:dc3be3264d2d	218	// File not open then give up
kenjiArai	0:dc3be3264d2d	219	#if USE_LCD
kenjiArai	0:dc3be3264d2d	220	lcd.locate(0, 0);
kenjiArai	0:dc3be3264d2d	221	// 1234567890123456789012345678901234567890
kenjiArai	0:dc3be3264d2d	222	lcd.printf(" Could not open file for write ");
kenjiArai	0:dc3be3264d2d	223	#endif
kenjiArai	0:dc3be3264d2d	224	#if DEBUG
kenjiArai	0:dc3be3264d2d	225	pc.printf( "\r\n Could not open file for write\r\n");
kenjiArai	0:dc3be3264d2d	226	#endif
kenjiArai	0:dc3be3264d2d	227	recode_status = SD_FAIL;
kenjiArai	0:dc3be3264d2d	228	}
kenjiArai	0:dc3be3264d2d	229	}
kenjiArai	0:dc3be3264d2d	230	if (fp){
kenjiArai	0:dc3be3264d2d	231	// File open successful
kenjiArai	0:dc3be3264d2d	232	fprintf(fp, "GPS logger on mbed by K.Arai/JH1PJL (c)2010\r\n");
kenjiArai	0:dc3be3264d2d	233	#if USE_LCD
kenjiArai	0:dc3be3264d2d	234	lcd.locate(0, 0);
kenjiArai	0:dc3be3264d2d	235	// 1234567890123456789012345678901234567890
kenjiArai	0:dc3be3264d2d	236	lcd.printf(" Start recording ");
kenjiArai	0:dc3be3264d2d	237	#endif
kenjiArai	0:dc3be3264d2d	238	#if DEBUG
kenjiArai	0:dc3be3264d2d	239	pc.printf( "GPS logger on mbed by K.Arai/JH1PJL (c)2010");
kenjiArai	0:dc3be3264d2d	240	pc.printf("\r\nStart recording\r\n");
kenjiArai	0:dc3be3264d2d	241	#endif
kenjiArai	0:dc3be3264d2d	242	recode_status = RECD;
kenjiArai	0:dc3be3264d2d	243	}
kenjiArai	0:dc3be3264d2d	244	}
kenjiArai	0:dc3be3264d2d	245	} else {
kenjiArai	0:dc3be3264d2d	246	if (recode_status == RECD){
kenjiArai	0:dc3be3264d2d	247	// File close
kenjiArai	0:dc3be3264d2d	248	fclose(fp);
kenjiArai	0:dc3be3264d2d	249	recode_status = IDLE; // back to idle state
kenjiArai	0:dc3be3264d2d	250	#if USE_LCD
kenjiArai	0:dc3be3264d2d	251	lcd.locate(0, 0);
kenjiArai	0:dc3be3264d2d	252	// 1234567890123456789012345678901234567890
kenjiArai	0:dc3be3264d2d	253	lcd.printf("Finish data save ");
kenjiArai	0:dc3be3264d2d	254	#endif
kenjiArai	0:dc3be3264d2d	255	#if DEBUG
kenjiArai	0:dc3be3264d2d	256	pc.printf( "\r\n Finish data save\r\n");
kenjiArai	0:dc3be3264d2d	257	#endif
kenjiArai	0:dc3be3264d2d	258	} else if (recode_status == SD_FAIL){
kenjiArai	0:dc3be3264d2d	259	// When file access failed
kenjiArai	0:dc3be3264d2d	260	recode_status = IDLE; // back to idle state
kenjiArai	0:dc3be3264d2d	261	#if USE_LCD
kenjiArai	0:dc3be3264d2d	262	lcd.locate(0, 0);
kenjiArai	0:dc3be3264d2d	263	// 1234567890123456789012345678901234567890
kenjiArai	0:dc3be3264d2d	264	lcd.printf("Could not save the data ");
kenjiArai	0:dc3be3264d2d	265	#endif
kenjiArai	0:dc3be3264d2d	266	#if DEBUG
kenjiArai	0:dc3be3264d2d	267	pc.printf( "\r\n Could not save the data\r\n");
kenjiArai	0:dc3be3264d2d	268	#endif
kenjiArai	0:dc3be3264d2d	269	}
kenjiArai	0:dc3be3264d2d	270	ON_REC = 0; // LED off for IDLE
kenjiArai	0:dc3be3264d2d	271	}
kenjiArai	0:dc3be3264d2d	272	}
kenjiArai	0:dc3be3264d2d	273	}
kenjiArai	0:dc3be3264d2d	274

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	17 Apr 2010
Imports:	81
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	4

main.cpp@0:dc3be3264d2d, 2010-04-17 (annotated)

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