/**@brief This function stores in flash the System Attributes related to a specified master.
*
* @param[in] p_sys_attr System Attributes to be stored.
*
* @return NRF_SUCCESS on success, an error_code otherwise.
*/
static uint32_t sys_attr_store(master_sys_attr_t * p_sys_attr)
{
uint32_t err_code;
// Check if flash is full.
if (m_sys_attr_in_flash_count >= MAX_BONDS_IN_FLASH)
{
return NRF_ERROR_NO_MEM;
}
// Check if this is the first time any System Attributes is stored.
if (m_sys_attr_in_flash_count == 0)
{
// Initialize CRC
m_crc_sys_attr = ble_flash_crc16_compute(NULL, 0, NULL);
// Find pointer to start of System Attributes flash block.
err_code = ble_flash_page_addr(m_bondmngr_config.flash_page_num_sys_attr,
&mp_flash_sys_attr);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
// Write System Attributes in flash.
err_code = ble_flash_block_write(mp_flash_sys_attr + 1,
(uint32_t *)p_sys_attr,
sizeof(master_sys_attr_t) / sizeof(uint32_t));
if (err_code != NRF_SUCCESS)
{
return err_code;
}
m_crc_sys_attr = ble_flash_crc16_compute((uint8_t *)p_sys_attr,
sizeof(master_sys_attr_t),
&m_crc_sys_attr);
// Write header
err_code = ble_flash_word_write(mp_flash_sys_attr, BLE_FLASH_MAGIC_NUMBER | m_crc_sys_attr);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Update flash pointer
mp_flash_sys_attr += ((sizeof(master_sys_attr_t) / sizeof(uint32_t)) + 1);
m_sys_attr_in_flash_count++;
return NRF_SUCCESS;
}
/**@brief This function stores the Bonding Information of the specified master to the flash.
*
* @param[in] p_bond Bonding information to be stored.
*
* @return NRF_SUCCESS on success, an error_code otherwise.
*/
static uint32_t bond_info_store(master_bond_t * p_bond)
{
uint32_t err_code;
// Check if flash is full
if (m_bond_info_in_flash_count >= MAX_BONDS_IN_FLASH)
{
return NRF_ERROR_NO_MEM;
}
// Check if this is the first bond to be stored
if (m_bond_info_in_flash_count == 0)
{
// Initialize CRC
m_crc_bond_info = ble_flash_crc16_compute(NULL, 0, NULL);
// Find pointer to start of bond information flash block
err_code = ble_flash_page_addr(m_bondmngr_config.flash_page_num_bond, &mp_flash_bond_info);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
// Write Bonding Information
err_code = ble_flash_block_write(mp_flash_bond_info + 1,
(uint32_t *)p_bond,
sizeof(master_bond_t) / sizeof(uint32_t));
if (err_code != NRF_SUCCESS)
{
return err_code;
}
m_crc_bond_info = ble_flash_crc16_compute((uint8_t *)p_bond,
sizeof(master_bond_t),
&m_crc_bond_info);
// Write header
err_code = ble_flash_word_write(mp_flash_bond_info, BLE_FLASH_MAGIC_NUMBER | m_crc_bond_info);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Update flash pointer
mp_flash_bond_info += (sizeof(master_bond_t) / sizeof(uint32_t)) + 1;
m_bond_info_in_flash_count++;
return NRF_SUCCESS;
}
/**@brief Function for application main entry.
*/
int main(void)
{
uint32_t err_code;
bool bootloader_is_pushed = false;
static uint32_t TestAdr;
TestAdr = (uint32_t)*(&(BluetoothDFU));
if(TestAdr == 100) {
bootloader_is_pushed = true;
F_flash_page_erase(&BluetoothDFU);
ble_flash_word_write(&BluetoothDFU , 0);
}
// This check ensures that the defined fields in the bootloader corresponds with actual
// setting in the nRF51 chip.
APP_ERROR_CHECK_BOOL(NRF_UICR->CLENR0 == CODE_REGION_1_START);
APP_ERROR_CHECK_BOOL(*((uint32_t *)NRF_UICR_BOOT_START_ADDRESS) == BOOTLOADER_REGION_START);
APP_ERROR_CHECK_BOOL(NRF_FICR->CODEPAGESIZE == CODE_PAGE_SIZE);
// Initialize.
timers_init();
gpiote_init();
buttons_init();
ble_stack_init();
scheduler_init();
//bootloader_is_pushed = ((nrf_gpio_pin_read(BOOTLOADER_BUTTON_PIN) == 0)? true: false);
if (bootloader_is_pushed || (!bootloader_app_is_valid(DFU_BANK_0_REGION_START)))
{
// Initiate an update of the firmware.
err_code = bootloader_dfu_start();
APP_ERROR_CHECK(err_code);
}
if (bootloader_app_is_valid(DFU_BANK_0_REGION_START))
{
// Select a bank region to use as application region.
// @note: Only applications running from DFU_BANK_0_REGION_START is supported.
bootloader_app_start(DFU_BANK_0_REGION_START);
}
NVIC_SystemReset();
}
uint32_t bond_store_user_id(void)
{
uint32_t err_code;
uint16_t m_crc_bond_info;
uint32_t *mp_flash_bond_info;
/* inialize crc check */
m_crc_bond_info = ble_flash_crc16_compute(NULL, 0, NULL);
// Find pointer to start of bond information flash block
err_code = ble_flash_page_addr(FLASH_PAGE_USER_ID, &mp_flash_bond_info);
if (err_code != NRF_SUCCESS) {
return err_code;
}
/*FIXME: erase a page while bluetooth connected may cause disconnect, so this maybe stored when bluetooth disconnected*/
/* Erase the whole page */
ble_flash_page_erase(FLASH_PAGE_USER_ID);
// Write private bonding Information
err_code = ble_flash_block_write(mp_flash_bond_info + 1, //the first word is used to store crc
(uint32_t *)user_id,
((USER_ID_LENGTH - 1) / (4) + 1));
if (err_code != NRF_SUCCESS) {
return err_code;
}
m_crc_bond_info = ble_flash_crc16_compute((uint8_t *)user_id,
USER_ID_LENGTH,
&m_crc_bond_info);
// Write header
err_code = ble_flash_word_write(mp_flash_bond_info, BLE_FLASH_MAGIC_NUMBER | m_crc_bond_info);
if (err_code != NRF_SUCCESS) {
return err_code;
}
return NRF_SUCCESS;
}
