__xdata uint8_t ao_gps_mutex;
__xdata struct ao_gps_data ao_gps_data;
-const char ao_gps_set_binary[] = {
+static const char ao_gps_set_nmea[] = {
+
'$', 'P', 'S', 'R', 'F', '1', '0', '0', ',', '0', ',',
'9', '6', '0', '0', ',', '8', ',', '1', ',', '0', '*',
'0', 'C', '\r','\n',
+};
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-
+static const char ao_gps_set_sirf[] = {
0xa0, 0xa2, 0x00, 0x09, /* length 9 bytes */
134, /* Set binary serial port */
0, 0, 0x25, 0x80, /* 9600 baud */
0, /* Track smoothing (disabled) */
0x00, 0x8e, 0xb0, 0xb3,
+ 0xa0, 0xa2, 0x00, 0x08, /* length: 8 bytes */
+ 166, /* Set message rate */
+ 2, /* enable/disable all messages */
+ 0, /* message id (ignored) */
+ 0, /* update rate (0 = disable) */
+ 0, 0, 0, 0, /* reserved */
+ 0x00, 0xa8, 0xb0, 0xb3,
+
0xa0, 0xa2, 0x00, 0x02, /* length: 2 bytes */
143, /* static navigation */
0, /* disable */
void
ao_gps_setup(void) __reentrant
{
- uint8_t i, j;
+ uint8_t i, j, k;
for (j = 0; j < 2; j++) {
#ifdef AO_GPS_TEST
ao_serial_set_speed(j);
#endif
- for (i = 255; i != 0; i--)
- ao_serial_putchar(0);
-
- for (i = 0; i < sizeof (ao_gps_set_binary); i++)
- ao_serial_putchar(ao_gps_set_binary[i]);
+ for (i = 0; i < 128; i++)
+ ao_serial_putchar(0x55);
+ for (k = 0; k < 4; k++)
+ for (i = 0; i < sizeof (ao_gps_set_nmea); i++)
+ ao_serial_putchar(ao_gps_set_nmea[i]);
+ for (i = 0; i < 128; i++)
+ ao_serial_putchar(0x55);
+ for (k = 0; k < 4; k++)
+ for (i = 0; i < sizeof (ao_gps_set_sirf); i++)
+ ao_serial_putchar(ao_gps_set_sirf[i]);
}
}
27,
50,
52,
- 4,
};
void