#endif
#if HAS_ADC
+
+#ifndef HAS_ACCEL_REF
+#error Please define HAS_ACCEL_REF
+#endif
+
/*
* ao_adc.c
*/
*/
extern volatile __xdata struct ao_adc ao_adc_ring[AO_ADC_RING];
extern volatile __data uint8_t ao_adc_head;
+#if HAS_ACCEL_REF
+extern volatile __xdata uint16_t ao_accel_ref[AO_ADC_RING];
+#endif
/* Trigger a conversion sequence (called from the timer interrupt) */
void
ao_mutex_put(__xdata uint8_t *ao_mutex) __reentrant;
/*
- * ao_ee.c
+ * Storage interface, provided by one of the eeprom or flash
+ * drivers
*/
-/*
- * We reserve the last block on the device for
- * configuration space. Writes and reads in this
- * area return errors.
- */
+/* Total bytes of available storage */
+extern __xdata uint32_t ao_storage_total;
-#define AO_EE_BLOCK_SIZE ((uint16_t) (256))
-#define AO_EE_DEVICE_SIZE ((uint32_t) 128 * (uint32_t) 1024)
-#define AO_EE_DATA_SIZE (AO_EE_DEVICE_SIZE - (uint32_t) AO_EE_BLOCK_SIZE)
-#define AO_EE_CONFIG_BLOCK ((uint16_t) (AO_EE_DATA_SIZE / AO_EE_BLOCK_SIZE))
+/* Block size - device is erased in these units. At least 256 bytes */
+extern __xdata uint32_t ao_storage_block;
+/* Byte offset of config block. Will be ao_storage_block bytes long */
+extern __xdata uint32_t ao_storage_config;
+
+/* Storage unit size - device reads and writes must be within blocks of this size. Usually 256 bytes. */
+extern __xdata uint16_t ao_storage_unit;
+
+#define AO_STORAGE_ERASE_LOG (ao_storage_config + AO_CONFIG_MAX_SIZE)
+
+/* Initialize above values. Can only be called once the OS is running */
void
-ao_ee_flush(void) __reentrant;
+ao_storage_setup(void);
-/* Write to the eeprom */
+/* Write data. Returns 0 on failure, 1 on success */
uint8_t
-ao_ee_write(uint32_t pos, uint8_t *buf, uint16_t len) __reentrant;
+ao_storage_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
-/* Read from the eeprom */
+/* Read data. Returns 0 on failure, 1 on success */
uint8_t
-ao_ee_read(uint32_t pos, uint8_t *buf, uint16_t len) __reentrant;
+ao_storage_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
-/* Write the config block (at the end of the eeprom) */
+/* Erase a block of storage. This always clears ao_storage_block bytes */
uint8_t
-ao_ee_write_config(uint8_t *buf, uint16_t len) __reentrant;
+ao_storage_erase(uint32_t pos) __reentrant;
+
+/* Flush any pending writes to stable storage */
+void
+ao_storage_flush(void) __reentrant;
-/* Read the config block (at the end of the eeprom) */
+/* Initialize the storage code */
+void
+ao_storage_init(void);
+
+/*
+ * Low-level functions wrapped by ao_storage.c
+ */
+
+/* Read data within a storage unit */
uint8_t
-ao_ee_read_config(uint8_t *buf, uint16_t len) __reentrant;
+ao_storage_device_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
-/* Initialize the EEPROM code */
+/* Write data within a storage unit */
+uint8_t
+ao_storage_device_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
+
+/* Initialize low-level device bits */
void
-ao_ee_init(void);
+ao_storage_device_init(void);
+
+/* Print out information about flash chips */
+void
+ao_storage_device_info(void) __reentrant;
/*
* ao_log.c
*/
extern __xdata uint16_t ao_flight_number;
-/* Retrieve first log record for the current flight */
-uint8_t
-ao_log_dump_first(void);
-
-/* return next log record for the current flight */
-uint8_t
-ao_log_dump_next(void);
-
/* Logging thread main routine */
void
ao_log(void);
void
ao_log_init(void);
+/* Write out the current flight number to the erase log */
+void
+ao_log_write_erase(uint8_t pos);
+
+/* Returns true if there are any logs stored in eeprom */
+uint8_t
+ao_log_present(void);
+
+/* Returns true if there is no more storage space available */
+uint8_t
+ao_log_full(void);
+
/*
* ao_flight.c
*/
ao_flight_invalid = 9
};
-extern __xdata struct ao_adc ao_flight_data;
+extern __data uint8_t ao_flight_adc;
extern __pdata enum ao_flight_state ao_flight_state;
extern __pdata uint16_t ao_flight_tick;
extern __pdata int16_t ao_flight_accel;
ao_serial_init(void);
#endif
+/*
+ * ao_spi.c
+ */
+
+void
+ao_spi_send(void __xdata *block, uint16_t len) __reentrant;
+
+void
+ao_spi_recv(void __xdata *block, uint16_t len) __reentrant;
+
+void
+ao_spi_init(void);
+
/*
* ao_gps.c
*/
#define AO_TELEMETRY_VERSION 3
struct ao_telemetry {
- uint8_t addr;
+ uint16_t serial;
uint16_t flight;
uint8_t flight_state;
int16_t flight_accel;
*/
#define AO_CONFIG_MAJOR 1
-#define AO_CONFIG_MINOR 3
+#define AO_CONFIG_MINOR 4
struct ao_config {
uint8_t major;
uint8_t apogee_delay; /* minor version 1 */
int16_t accel_minus_g; /* minor version 2 */
uint32_t radio_cal; /* minor version 3 */
+ uint32_t flight_log_max; /* minor version 4 */
};
extern __xdata struct ao_config ao_config;
+#define AO_CONFIG_MAX_SIZE 128
+
void
ao_config_get(void);
+void
+ao_config_put(void);
+
void
ao_config_init(void);