void
ao_serial_putchar(char c) __critical;
+#define AO_SERIAL_SPEED_4800 0
+#define AO_SERIAL_SPEED_57600 1
+
+void
+ao_serial_set_speed(uint8_t speed);
+
void
ao_serial_init(void);
#define AO_GPS_NUM_SAT_SHIFT (0)
#define AO_GPS_VALID (1 << 4)
+#define AO_GPS_RUNNING (1 << 5)
struct ao_gps_data {
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t flags;
- int32_t latitude;
- int32_t longitude;
- int16_t altitude;
+ int32_t latitude; /* degrees * 10⁷ */
+ int32_t longitude; /* degrees * 10⁷ */
+ int16_t altitude; /* m */
+ uint16_t ground_speed; /* cm/s */
+ uint8_t course; /* degrees / 2 */
+ uint8_t hdop; /* * 5 */
+ int16_t climb_rate; /* cm/s */
+ uint16_t h_error; /* m */
+ uint16_t v_error; /* m */
};
extern __xdata uint8_t ao_gps_mutex;