eisei taro
{baud, NMEA} setting functions for venus GPS chip it is just a copy&paste stuff of these code written by shimniok. http://mbed.org/users/shimniok/code/AVC_2012/docs/tip/GPS_8cpp_source.html https://www.sparkfun.com/datasheets/GPS/Modules/AN0003_v1.4.14_FlashOnly.pdf
Dependents: GPS_setting_Venus_Helloworld gps-fix
Diff: gps_stg_venus.cpp
- Revision:
- 0:d80196ed93bc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gps_stg_venus.cpp Sat Nov 09 12:07:43 2013 +0000
@@ -0,0 +1,64 @@
+#include "gps_stg_venus.h"
+GPSVenus::GPSVenus(Serial & GPSPort_) :GPSPort(GPSPort_){
+ GPSPort_.baud(9600);
+}
+
+void GPSVenus::setBaud_115200()
+ {
+ // VENUS Binary MsgID=0x05
+
+ char msg[11] = { 0xA0, 0xA1, 0x00, 0x04,
+ 0x05, 0x00, 0x05, 0,
+ 0, 0x0D, 0x0A };
+ for (int i=4; i < 8; i++) {
+ msg[8] ^= msg[i];
+ }
+ for (int i=0; i < 11; i++)
+ GPSPort.putc(msg[i]);
+ }
+
+void GPSVenus::setNmeaMessages(bool gga, bool gsa, bool gsv, bool gll, bool rmc, bool vtg)
+ {
+ // VENUS Binary MsgID=0x08
+ // GGA interval
+ // GSA interval
+ // GSV interval
+ // GLL interval
+ // RMC interval
+ // VTG interval
+ // ZDA interval -- hardcode off
+ char msg[16] = { 0xA0, 0xA1, 0x00, 0x09,
+ 0x08, gga, gsa, gsv, gll, rmc, vtg, 0, 0,
+ 0, 0x0D, 0x0A };
+ for (int i=4; i < 13; i++) {
+ msg[13] ^= msg[i];
+ }
+ for (int i=0; i < 16; i++)
+ GPSPort.putc(msg[i]);
+}
+
+
+void GPSVenus::setUpdateRate(int rate)
+ {
+ char msg[10] = { 0xA0, 0xA1, 0x00, 0x03,
+ 0x0E, rate&0xFF, 01,
+ 0, 0x0D, 0x0A };
+ for (int i=4; i < 7; i++) {
+ msg[7] ^= msg[i];
+ }
+ switch (rate) {
+ case 1 :
+ case 2 :
+ case 4 :
+ case 5 :
+ case 8 :
+ case 10 :
+ case 20 :
+ for (int i=0; i < 10; i++)
+ GPSPort.putc(msg[i]);
+ break;
+ default :
+ break;
+ }
+}
+