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Added node id restoring and burning functions.

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This commit is contained in:
kasunch 2009-09-24 06:51:22 +00:00
parent f617b77b87
commit 5e1db8b6fa
1 changed files with 13 additions and 0 deletions
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13
platform/micaz/node-id.c
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@ -39,12 +39,25 @@ uint16_t node_id = 0;
void void
node_id_restore(void) node_id_restore(void)
{ {
uint16_t newid[2];
uint8_t volatile sreg;
sreg = SREG; /* Save status register before disabling interrupts. */
cli(); /* Disable interrupts. */
eeprom_read(EEPROM_NODE_ID_START, (unsigned char *)newid, sizeof(newid));
node_id = (newid[0] == 0xdead) ? newid[1] : 0;
SREG = sreg; /* Enable interrupts. */
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
void void
node_id_burn(uint16_t id) node_id_burn(uint16_t id)
{ {
uint16_t buffer[2] = { 0xdead, id };
uint8_t volatile sreg;
sreg = SREG; /* Save status register before disabling interrupts. */
cli(); /* Disable interrupts. */
eeprom_write(EEPROM_NODE_ID_START, (unsigned char *)buffer, sizeof(buffer));
SREG = sreg; /* Enable interrupts. */
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/