Accurate Frequency Counter up to 25MHz. Base clock is compensated by GPS 1PPS pulse. This program runs only on mbed NucleoF411RE.
Dependencies: ADT7410 CheckRTC DRV8830 Frq_cuntr_full PID TextLCD mbed-rtos mbed iSerial
Fork of Frequency_Counter by
Please refer following.
/users/kenjiArai/notebook/frequency-counters/
gps.h
- Committer:
- kenjiArai
- Date:
- 2015-01-02
- Revision:
- 12:05098414599b
- Parent:
- 9:e98e94ba17f9
File content as of revision 12:05098414599b:
/* * mbed Application program / GPS receiver control and 1PPS output * * Copyright (c) 2014 Kenji Arai / JH1PJL * http://www.page.sannet.ne.jp/kenjia/index.html * http://mbed.org/users/kenjiArai/ * Created: March 28th, 2004 Kenji Arai * updated: July 25th, 2009 for PIC24USB * updated: January 16th, 2010 change to GPS-GM318 * updated: April 24th, 2010 for mbed / NXP LPC1768 * Revised: January 1st, 2015 * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* PA6C GPS Module current setting: GGA,RMC */ // Definition ------------------------------------------------------------------------------------ // GPS data selection & buffer size /* $GPGAA,hhmmss.sss,ddmm.mmmmmm,N,dddmm.mmmmmm, E,1,xx,xx.xx,xx.xxx,M,xx.xxx,M,s.ss,xxxx*sum<CR><LF> ex. $GPGGA,060306.00,4344.77894,N,14223.38857, E,2,11,0.9,128.4,M,28.8,M,5.0,0129*4C<CR><LF> # of data (ex.) = 81 */ #define SIZE_BUF_GGA 96 /* $GPGSA,A,3,xx,xx,,,xx,xx,,,,,xx.x,xx.x,xx.x*sum<CR><LF> ex. $GPGSA,A,3,03,06,13,16,21,23,24,25,29,31,42,50,1.9,0.9,1.7*3C # of data (ex.) = 63 */ #define SIZE_BUF_GSA 80 /* $GPGSV,x,x,xx*sum<CR><LF> ex. $GPGSV,3,1,12,03,39,225,47,06,55,217,48,13,21,314,48,16,74,342,50*76 $GPGSV,3,2,12,21,33,095,50,23,32,280,50,24,18,049,42,25,12,315,43*7E $GPGSV,3,3,12,29,12,047,45,31,49,146,49,42,39,183,46,50,39,176,42*7C # of data (ex.) = 70 */ #define SIZE_BUF_GSV 80 /* $GPRMC,hhmmss.sss,V,ddmm.mmmm,N,dddmm.mmmm,E,k.kkk,x.xx,ddmmyy,,,N*sum<CR><LF> ex. $GPRMC,060309.00,A,4344.77571,N,14223.38879, E,0.03,210.32,190808,06.2,W,D*51 # of data (ex.) = 84 */ #define SIZE_BUF_RMC 96 /* $GPVTG,xx.xx,T,,M,x.xx,N,x.xx,K,A*sum<CR><LF> ex. $GPVTG,210.32,T,204.30,M,0.03,N,0.06,K,D*3F # of data (ex.) = 43 */ #define SIZE_BUF_VTG 64 /* $GPZDA,hhmmss.sss,dd,mmm,yyyy,hh,mm*sum<CR><LF> ex. $GPZDA,060307.00,19,08,2008,13,26*6E # of data (ex.) = 36 */ #define SIZE_BUF_ZDA 48 /* $GPGLL,ddmm.mmmmmm,N,dddmm.mmmmmm,E,hhmmss.sss,V,D*sum<CR><LF> ex. $GPGLL,4344.77956,N,14223.38863,E,060305.00,A,D*61 # of data (ex.) = 52 */ #define SIZE_BUF_GLL 64 #define ERR 0xff