uint32 eeprom_deepsleep()
{
eeprom_disable();
ee_deepsleep = true;
ee_enabled = false;
ee_wren = false;
return 0;
}
static void eeprom_generic_write(unsigned char *addr, unsigned char val)
{
signed char i;
unsigned short cmd;
eeprom_enable();
cmd = 0x0a00 | (size_t) addr;
for (i = 11; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(cmd, bitmask[i]));
for (i = 7; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(val, bitmask[i]));
eeprom_disable();
eeprom_enable();
while (EEPROM_DO == 0);
eeprom_disable();
}
void eeprom_erase_all(void)
{
signed char i;
unsigned short cmd;
eeprom_write_enable();
eeprom_enable();
cmd = 0x0900;
for (i = 11; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(cmd, bitmask[i]));
eeprom_disable();
eeprom_enable();
while (EEPROM_DO == 0);
eeprom_disable();
eeprom_write_disable();
}
void eeprom_erase(unsigned char *addr)
{
signed char i;
unsigned short cmd;
eeprom_write_enable();
eeprom_enable();
cmd = 0x0e00 | (size_t) addr;
for (i = 11; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(cmd, bitmask[i]));
eeprom_disable();
eeprom_enable();
while (EEPROM_DO == 0);
eeprom_disable();
eeprom_write_disable();
}
static void eeprom_write_disable(void)
{
signed char i;
unsigned short cmd;
eeprom_enable();
cmd = 0x0800;
for (i = 11; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(cmd, bitmask[i]));
eeprom_disable();
}
void eeprom_fill_all(const unsigned char c)
{
signed char i;
unsigned short cmd;
eeprom_write_enable();
eeprom_enable();
cmd = 0x0880;
for (i = 11; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(cmd, bitmask[i]));
for (i = 7; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(c, bitmask[i]));
eeprom_disable();
eeprom_enable();
while (EEPROM_DO == 0);
eeprom_disable();
eeprom_write_disable();
}
unsigned char eeprom_read_byte(const unsigned char *addr)
{
signed char i;
unsigned char c;
unsigned short cmd;
eeprom_enable();
cmd = 0x0c00 | (size_t) addr;
for (i = 11; i >= 0; --i)
eeprom_pulse(EEPROM_MASK(cmd, bitmask[i]));
c = 0;
for (i = 7; i >= 0; --i)
c += ((unsigned char) eeprom_pulse(EEPROM_LOW) << i);
eeprom_disable();
return c;
}