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Code Issues Releases Activity

REVONANO - Flash fs fixes

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This commit is contained in:
Alessio Morale 2015-05-18 21:26:40 +02:00
parent 632a14023c
commit fb11b312c5
2 changed files with 24 additions and 42 deletions
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30
flight/pios/common/pios_flash_eeprom.c
View File

@ -173,32 +173,25 @@ int32_t PIOS_Flash_EEPROM_WriteSinglePage(struct flash_eeprom_dev *flash_dev, co
uint8_t i2c_addr = flash_dev->i2c_address;
uint32_t bus = flash_dev->i2c_adapter;
if (address > 0xFFFF) {
return -2;
}
uint16_t address16 = address & 0xFFFF;
uint8_t mem_address[] = {
(address16 & 0xff00) >> 8, // MSB
(address16 & 0xFF) // LSB
};
uint8_t tmp[len + 2];
tmp[0] = (address16 & 0xFF00) >> 8; // MSB
tmp[1] = (address16 & 0xFF); // LSB
memcpy(&tmp[2], buffer, len);
const struct pios_i2c_txn txn_list[] = {
{
.info = __func__,
.addr = i2c_addr,
.rw = PIOS_I2C_TXN_WRITE,
.len = 2,
.buf = mem_address,
}
,
{
.info = __func__,
.addr = i2c_addr,
.rw = PIOS_I2C_TXN_WRITE,
.len = len,
.buf = (uint8_t *)buffer,
.len = len + 2,
.buf = tmp,
}
};
@ -223,21 +216,21 @@ int32_t PIOS_Flash_EEPROM_Read(struct flash_eeprom_dev *flash_dev, const uint32_
// split the operation into several page operations
uint8_t bytes_read = 0;
const uint8_t page_len = flash_dev->cfg->page_len;
const uint16_t page_len = flash_dev->cfg->page_len;
while (bytes_read < len) {
// all is fine, wait until memory is not busy
int32_t status;
while ((status = PIOS_Flash_EEPROM_Busy(flash_dev)) == 1) {
#ifdef PIOS_INCLUDE_FREERTOS
vTaskDelay(1);
vTaskDelay(0);
#endif
}
// An error occurred while probing the status, return and report
if (status < 0) {
return status;
}
uint8_t current_block_len = len - bytes_read;
uint16_t current_block_len = len - bytes_read;
uint16_t index_within_page = (address16 + bytes_read) % page_len;
// prevent overflowing the page boundary
current_block_len = MIN(page_len - index_within_page, current_block_len);
@ -248,6 +241,7 @@ int32_t PIOS_Flash_EEPROM_Read(struct flash_eeprom_dev *flash_dev, const uint32_
return status;
}
}
return 0;
}

22
flight/pios/common/pios_flashfs_objlist.c
View File

@ -121,7 +121,6 @@ int32_t PIOS_FLASHFS_Init(uintptr_t *fs_id, const struct flashfs_cfg *cfg, const
// Check for valid object table or create one
uint32_t object_table_magic;
uint32_t magic_fail_count = 0;
bool magic_good = false;
*fs_id = (uintptr_t)dev;
@ -130,18 +129,13 @@ int32_t PIOS_FLASHFS_Init(uintptr_t *fs_id, const struct flashfs_cfg *cfg, const
return -1;
}
if (object_table_magic != dev->cfg->table_magic) {
if (magic_fail_count++ > MAX_BADMAGIC) {
if (PIOS_FLASHFS_Format(*fs_id) != 0) {
return -1;
}
#if defined(PIOS_LED_HEARTBEAT)
PIOS_LED_Toggle(PIOS_LED_HEARTBEAT);
#endif /* PIOS_LED_HEARTBEAT */
magic_fail_count = 0;
magic_good = true;
} else {
PIOS_DELAY_WaituS(1000);
}
} else {
magic_good = true;
}
@ -182,21 +176,15 @@ int32_t PIOS_FLASHFS_Format(uintptr_t fs_id)
return -1;
}
if (!dev->driver->start_transaction(dev->flash_id)) {
if (dev->driver->start_transaction(dev->flash_id)) {
return -1;
}
if (dev->driver->erase_chip) {
if (dev->driver->erase_chip(dev->flash_id) != 0) {
dev->driver->end_transaction(dev->flash_id);
return -1;
}
}
if (PIOS_FLASHFS_ClearObjectTableHeader(dev) != 0) {
dev->driver->end_transaction(dev->flash_id);
return -1;
}
dev->driver->end_transaction(dev->flash_id);
return 0;
}
@ -227,7 +215,7 @@ static int32_t PIOS_FLASHFS_ClearObjectTableHeader(struct flashfs_dev *dev)
* @brief Get the address of an object
* @param obj UAVObjHandle for that object
* @parma instId Instance id for that object
* @return address if successful, -1 if not found
* @return address if successful, -1 if not found, -2 if failure occurred while reading
*/
static int32_t PIOS_FLASHFS_GetObjAddress(struct flashfs_dev *dev, uint32_t objId, uint16_t instId)
{
@ -238,7 +226,7 @@ static int32_t PIOS_FLASHFS_GetObjAddress(struct flashfs_dev *dev, uint32_t objI
while (addr < dev->cfg->obj_table_end) {
// Read the instance data
if (dev->driver->read_data(dev->flash_id, addr, (uint8_t *)&header, sizeof(header)) != 0) {
return -1;
return -2;
}
if (header.objMagic != dev->cfg->obj_magic) {
break; // stop searching once hit first non-object header