__xdata uint8_t ao_gps_mutex;
__xdata struct ao_gps_data ao_gps_data;
-static const char ao_gps_set_nmea[] = {
-
- '$', 'P', 'S', 'R', 'F', '1', '0', '0', ',', '0', ',',
- '9', '6', '0', '0', ',', '8', ',', '1', ',', '0', '*',
- '0', 'C', '\r','\n',
-};
-
-static const char ao_gps_set_sirf[] = {
- 0xa0, 0xa2, 0x00, 0x09, /* length 9 bytes */
- 134, /* Set binary serial port */
- 0, 0, 0x25, 0x80, /* 9600 baud */
- 8, /* data bits */
- 1, /* stop bits */
- 0, /* parity */
- 0, /* pad */
- 0x01, 0x34, 0xb0, 0xb3,
-};
+static const char ao_gps_set_nmea[] = "$PSRF100,0,57600,8,1,0*37\r\n";
const char ao_gps_config[] = {
0xa0, 0xa2, 0x00, 0x0e, /* length: 14 bytes */
void
ao_gps_setup(void) __reentrant
{
- uint8_t i, j, k;
- for (j = 0; j < 2; j++) {
-#ifdef AO_GPS_TEST
- ao_serial_set_speed(j);
-#endif
- 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]);
- }
+ uint8_t i;
+ ao_serial_set_speed(AO_SERIAL_SPEED_4800);
+ for (i = 0; i < 16; i++)
+ ao_serial_putchar(0x00);
+ for (i = 0; i < sizeof (ao_gps_set_nmea) - 1; i++)
+ ao_serial_putchar(ao_gps_set_nmea[i]);
+ ao_serial_set_speed(AO_SERIAL_SPEED_57600);
+ for (i = 0; i < 16; i++)
+ ao_serial_putchar(0x00);
}
static const char ao_gps_set_message_rate[] = {
0xa0, 0xa2, 0x00, 0x08,
166,
0,
-#define SET_MESSAGE_RATE_ID 6
-#define SET_MESSAGE_RATE 7
-
};
void
void
ao_gps(void) __reentrant
{
- uint8_t i;
+ uint8_t i, k;
uint16_t cksum;
- for (i = 0; i < sizeof (ao_gps_config); i++)
- ao_serial_putchar(ao_gps_config[i]);
- for (i = 0; i < sizeof (sirf_disable); i++)
- ao_sirf_set_message_rate(sirf_disable[i], 0);
- ao_sirf_set_message_rate(41, 1);
+ for (k = 0; k < 5; k++)
+ {
+ for (i = 0; i < sizeof (ao_gps_config); i++)
+ ao_serial_putchar(ao_gps_config[i]);
+ for (i = 0; i < sizeof (sirf_disable); i++)
+ ao_sirf_set_message_rate(sirf_disable[i], 0);
+ ao_sirf_set_message_rate(41, 1);
+ }
for (;;) {
/* Locate the begining of the next record */
while (ao_sirf_byte() != 0xa0)
/* message ID */
i = data_byte (); /* 0 */
- printf ("message %d len %d\n", i, ao_sirf_len);
switch (i) {
case 41: