X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fao.h;h=e1306c79715855da1c1d168619a83f0be00b4c5f;hb=408a3e04362d626778640dd0ce7d356d3863de53;hp=67337de78743a7249a52e02644477d4138fc0a1e;hpb=ddcc94da4326f9ce954bd31a46b36165c58e6c18;p=fw%2Faltos diff --git a/src/ao.h b/src/ao.h index 67337de7..e1306c79 100644 --- a/src/ao.h +++ b/src/ao.h @@ -443,14 +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; @@ -459,10 +460,38 @@ ao_storage_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant; uint8_t 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) __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 */ @@ -575,14 +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); @@ -599,6 +620,10 @@ 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); + /* * ao_flight.c */ @@ -993,9 +1018,14 @@ struct ao_config { 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);