int8_t vscp_check_pstorage(void)
{
// Check if persistent storage is initialised.
if ( ( VSCP_INITIALIZED_BYTE0_VALUE ==
vscp_getControlByte( VSCP_INITIALIZED_BYTE0_INDEX ) ) &&
( VSCP_INITIALIZED_BYTE1_VALUE ==
vscp_getControlByte( VSCP_INITIALIZED_BYTE1_INDEX ) ) ) {
return TRUE;
}
vscp_initledfunc = VSCP_LED_BLINK1;
// Initialise persistent storage
vscp_init_pstorage();
// No nickname yet.
vscp_writeNicknamePermanent( VSCP_ADDRESS_FREE );
// Mark persistent storage as initialised
vscp_setControlByte( VSCP_INITIALIZED_BYTE0_INDEX,
VSCP_INITIALIZED_BYTE0_VALUE );
vscp_setControlByte( VSCP_INITIALIZED_BYTE1_INDEX,
VSCP_INITIALIZED_BYTE1_VALUE );
return FALSE;
}
///////////////////////////////////////////////////////////////////////////////
// vscp_check_pstorage
//
// Check control position integrity and restore EEPROM
// if invalid.
//
int08_t vscp_check_pstorage( void )
{
// controlbyte == 01xxxxxx means initialized
// everything else is uninitialized
if ( VSCP_CRC_FREE != vscp_getSegmentCRC()) {
return TRUE;
}
// No nickname yet.
vscp_setNickname( VSCP_ADDRESS_FREE);
// No segment CRC yet.
vscp_setSegmentCRC( VSCP_CRC_FREE);
vscp_setControlByte( VSCP_CONTROL_STARTUP); // Initial startup, write allowed
return FALSE;
}
int8_t vscp_check_pstorage(void)
{
// controlbyte == 01xxxxxx means initialized
// everything else is uninitialized
if ((vscp_getSegmentCRC() & 0xc0) == 0x40) {
return TRUE;
}
// No nickname yet.
vscp_writeNicknamePermanent(0xff);
// No segment CRC yet.
vscp_setSegmentCRC(0x00);
// Initial startup
// write allowed
vscp_setControlByte(0xA0);
return FALSE;
}
/*!
* @brief verify functionality of the custom defined vscp functions
* vscp_firmware.h @ line 457
*/
void test_vscp_externals(){
uint8_t FlashValue8; /*! gets an 8-bit vscp data field from permanent storage */
uint8_t val; /*! assign a value to write to buffer -> permanent storage */
printf("Testing vscp_functions\r\n");
val = 0x11;
vscp_writeNicknamePermanent(val);
FlashValue8 = vscp_readNicknamePermanent();
printf("Read %d dec, %x hex\r\n", FlashValue8, FlashValue8);
val = 0x22;
vscp_setSegmentCRC(val);
FlashValue8 = vscp_getSegmentCRC();
printf("Read %d dec, %x hex\r\n", FlashValue8, FlashValue8);
val = 0x33;
vscp_setControlByte(val);
FlashValue8 = vscp_getControlByte();
printf("Read %d dec, %x hex\r\n", FlashValue8, FlashValue8);
}