altos: Check for full log and complain

[fw/altos] / src / ao.h

diff --git a/src/ao.h b/src/ao.h
index f23e4134ac0e9713208ceed47968fc312cb6399d..37a39a790b643b7061a1614fa3e6f128d90b4a5d 100644 (file)
--- a/src/ao.h
+++ b/src/ao.h
@@ -443,16 +443,15 @@ 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_storage_setup(void);
 
-/* Flush any pending write data */
-void
-ao_storage_flush(void) __reentrant;
-
 /* Write data. Returns 0 on failure, 1 on success */
 uint8_t
 ao_storage_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
@@ -463,12 +462,36 @@ ao_storage_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
 
 /* Erase a block of storage. This always clears ao_storage_block bytes */
 uint8_t
-ao_storage_erase(uint32_t pos);
+ao_storage_erase(uint32_t pos) __reentrant;
+
+/* Flush any pending writes to stable storage */
+void
+ao_storage_flush(void) __reentrant;
 
 /* 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_storage_device_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant;
+
+/* 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_storage_device_init(void);
+
+/* Print out information about flash chips */
+void
+ao_storage_device_info(void) __reentrant;
+
 /*
  * ao_log.c
  */
@@ -581,14 +604,6 @@ ao_log_flush(void);
  */
 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);
@@ -605,6 +620,18 @@ ao_log_stop(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
  */
@@ -983,7 +1010,7 @@ ao_igniter_init(void);
  */
 
 #define AO_CONFIG_MAJOR        1
-#define AO_CONFIG_MINOR        3
+#define AO_CONFIG_MINOR        4
 
 struct ao_config {
        uint8_t         major;
@@ -995,6 +1022,7 @@ struct ao_config {
        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;